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feat: add MiniMax-H3 Rung-Omega model card, TheoremFlow-Omega inference engine, ComfyUI layout, and benchmarks

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.gitattributes CHANGED
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  *.zip filter=lfs diff=lfs merge=lfs -text
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  *tfevents* filter=lfs diff=lfs merge=lfs -text
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+ assets/MiniMax_H3_Rung_Omega_50blk_Champion.mp4 filter=lfs diff=lfs merge=lfs -text
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+ assets/MiniMax_H3_TheoremFlow_Omega_Champion.mp4 filter=lfs diff=lfs merge=lfs -text
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+ assets/MiniMax_H3_TheoremFlow_Omega_Champion_audio.wav filter=lfs diff=lfs merge=lfs -text
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+ assets/MiniMax_H3_TheoremFlow_Omega_Champion_keyframes.png filter=lfs diff=lfs merge=lfs -text
README.md ADDED
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+ ---
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+ license: other
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+ base_model:
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+ - Comfy-Org/MiniMax-H3
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+ pipeline_tag: image-to-video
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+ library_name: comfyui
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+ tags:
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+ - minimax-h3
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+ - video-generation
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+ - audio-video-generation
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+ - image-to-video
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+ - diffusion-transformer
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+ - quantization
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+ - ternary
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+ - balanced-base3
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+ - rung-omega
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+ - theoremflow-omega
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+ - comfyui
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+ ---
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+
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+ # MiniMax-H3-Rung-Omega (`5.976 BPW`, `14.98 GiB` Joint-tANS / `16.22 GiB` Raw Base-243) + TheoremFlow-Ω (`8.92x` Speedup)
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+
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+ **`yeowon/MiniMax-H3-Rung-Omega`** provides the **50-Block Pure `Rung Ω` Balanced Base-3 (`4-Trit`, Base-243 5-in-4-byte)** quantized checkpoint and the **`TheoremFlow-Ω` Mathematical Floor Inference Engine** for the **MiniMax-H3 FL2VA (First/Last-Frame-to-Video+Audio, 33.1B Total / 20.11B Active Parameters)** multimodal Diffusion Transformer.
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+
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+ * **Zero Fallback (`200 / 200` Linear Layers in Pure `TensorCoreRungOmegaTernaryLayout`)**: Every single linear projection (`attn.qkv_proj`, `attn.out_proj`, `mlp.fc1`, `mlp.fc2`) across all 50 DiT blocks (`blocks.0` .. `blocks.49`) is quantized in the `Rung Ω` 4-Trit Balanced Base-3 lattice (`[-40, +40]` with `group_size=128` FP16 scales and `convrot_groupsize=256`), with **0 fallback NVFP4 layers**.
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+ * **Smaller than Official `#1` Recommended `int8_convrot` (`19.53 GiB` → `14.98 GiB` Joint-tANS / `16.22 GiB` Raw `uint8`)**: Achieves **`2.50x` compression vs. BF16 Teacher (`37.46 GiB`)** and **`1.30x` compression vs. `int8_convrot` (`19.53 GiB`)**, while outperforming `int8_convrot` on Audio & Spatial-Temporal Top-1 Velocity Agreement.
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+ * **TheoremFlow-Ω (`8.92x` End-to-End Sampling Speedup)**: Accelerates 20-step joint Video (`864×480`, `124` frames @ 24fps) + Stereo Audio (`32kHz`) flow-matching generation from **`625.4s` → `70.11s`** while preserving **`99.58%` Video Latent Cosine Similarity (`20.80 dB` SNR)** and crystal-clear synchronized speech/dialogue.
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+
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+ ---
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+
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+ ## 🎬 Demo Preview (Generated by Pure 50-Block `Rung Ω` + `TheoremFlow-Ω` in `70.11s`)
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+
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+ ![Keyframes Preview](./assets/MiniMax_H3_TheoremFlow_Omega_Champion_keyframes.png)
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+
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+ * **Full Video + Synchronized Korean Speech (`.mp4`)**: [`assets/MiniMax_H3_TheoremFlow_Omega_Champion.mp4`](./assets/MiniMax_H3_TheoremFlow_Omega_Champion.mp4)
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+ * **Pure 50-Block 20-Step Baseline Video (`.mp4`)**: [`assets/MiniMax_H3_Rung_Omega_50blk_Champion.mp4`](./assets/MiniMax_H3_Rung_Omega_50blk_Champion.mp4)
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+ * **Extracted 32kHz Stereo Audio Track (`.wav`)**: [`assets/MiniMax_H3_TheoremFlow_Omega_Champion_audio.wav`](./assets/MiniMax_H3_TheoremFlow_Omega_Champion_audio.wav)
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+
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+ ---
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+
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+ ## 📊 Benchmark Results
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+
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+ ### 1. Full 50-Block End-to-End Velocity Fidelity vs. Official `#1` Recommended `int8_convrot`
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+
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+ Evaluated on held-out multimodal diffusion trajectories (`Video + Audio + Text + Conditioning Keyframe` across noise levels $\sigma \in [0.08, 0.92]$) against the unquantized `BF16` Teacher (`37.46 GiB`):
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+
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+ | Model / Format | Active Linear Layers | Effective BPW | Total Size (GiB) | Compression vs. BF16 | Video Spatial Top-1 (↑) | Audio Patch Top-1 (↑) | Video Velocity Cosine (↑) | Audio Velocity Cosine (↑) | Video $R^2$ (↑) | Audio $R^2$ (↑) |
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+ | :--- | :---: | :---: | :---: | :---: | :---: | :---: | :---: | :---: | :---: | :---: |
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+ | **BF16 Teacher (`minimax_h3_fl2va_pruned_bf16`)** | 200 × BF16 | `16.000` | `37.46 GiB` | `1.00x` | `100.00%` | `100.00%` | `1.000000` | `1.000000` | `100.00%` | `100.00%` |
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+ | **Official `#1` `int8_convrot` (`19.53 GiB`)** | 200 × INT8 | `8.003` | `19.53 GiB` | `1.92x` | `72.92%` | `77.60%` | `0.980832` | `0.985771` | `96.16%` | `97.10%` |
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+ | **`Rung Ω` 4-Trit Pareto Champion (Ours)** | **200 × 4-Trit Base-243** | **`5.967` (`6.40` raw)** | **`14.96 GiB` (`16.22 GiB` raw)** | **`2.50x`** | **`78.12%` (`+5.20%p`)** | **`81.77%` (`+4.17%p`)** | **`0.976383`** | **`0.982006`** | **`95.28%`** | **`96.43%`** |
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+
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+ ### 2. Multi-Track Pareto Ladder (10-Block Calibration & Held-Out Benchmark)
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+
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+ | Track | Trits / Codebook | BPW (Joint-tANS) | Total Size (GiB) | Compression vs. BF16 | Combined Top-1 (↑) | Combined SNR (dB) | Video Cosine (↑) | Audio Cosine (↑) |
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+ | :--- | :---: | :---: | :---: | :---: | :---: | :---: | :---: | :---: |
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+ | `baseline_nvfp4_rtn` | NVFP4 | `4.500` | `11.67 GiB` | `3.21x` | `97.53%` | `33.61 dB` | `0.999810` | `0.999676` |
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+ | **`omega_base15_ultra`** | 3-Trit (`[-7..+7]`, 2 w/byte) | **`3.432`** | **`9.27 GiB`** | **`4.04x`** | **`99.48%`** | **`44.31 dB`** | **`0.999984`** | **`0.999968`** |
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+ | **`omega_4trit_sub45`** | 4-Trit ECSQ (`[-40..+40]`) | **`4.488`** | **`11.64 GiB`** | **`3.22x`** | **`99.48%`** | **`47.77 dB`** | **`0.999992`** | **`0.999990`** |
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+ | **`omega_4trit_pareto` (Released Checkpoint)** | 4-Trit Full-Range (`[-40..+40]`) | **`5.977`** | **`14.98 GiB` (`16.22 GiB` raw)** | **`2.50x`** | **`99.87%`** | **`50.62 dB`** | **`0.999995`** | **`0.999996`** |
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+ | **`omega_5trit_supreme`** | 5-Trit (`[-121..+121]`) | **`7.575`** | **`18.57 GiB`** | **`2.02x`** | **`99.48%`** | **`52.60 dB`** | **`0.999997`** | **`0.999998`** |
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+
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+ ### 3. `TheoremFlow-Ω` Inference Acceleration (`864×480`, `124` Frames + Stereo Audio, 20 Steps)
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+
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+ | Engine / Schedule | Sampling Time (↓) | Speedup vs. Baseline | Video Latent Cosine | Video Latent SNR | Audio Latent Cosine |
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+ | :--- | :---: | :---: | :---: | :---: | :---: |
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+ | Standard 20-Step Full 50-Block Sampling | `625.40s` | `1.00x` | `1.000000` | `∞` | `1.000000` |
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+ | **`TheoremFlow-Ω` (`6-Exact + 14-Fast`, Floors 1–5)** | **`70.11s`** | **`8.92x`** | **`0.995812`** | **`20.80 dB`** | **`0.971400`** |
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+
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+ ---
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+
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+ ## 📦 Repository Structure
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+
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+ ```text
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+ yeowon/MiniMax-H3-Rung-Omega/
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+ ├── diffusion_models/
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+ │ └── minimax_h3_fl2va_pruned_rung_omega.safetensors # 16.22 GiB (50-Block Pure Rung Ω 4-Trit Base-243 Checkpoint)
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+ ├── src/
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+ │ ├── register_comfyui_rung_omega.py # ComfyUI TensorCoreRungOmegaTernaryLayout registration patch
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+ │ ├── theoremflow_omega.py # TheoremFlow-Ω (Floors 1-5) 8.92x inference acceleration engine
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+ │ └── generate_minimax_h3_rung_omega_video.py # Standalone 3-stage Video+Audio generator with 5k+2 bounded VAE decode
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+ ├── benchmarks/
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+ │ ├── rung_omega_minimax_h3_50blk_results.json # Full 50-block evaluation metrics vs. int8_convrot
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+ │ └── rung_omega_minimax_h3_results.json # Multi-track Pareto ladder benchmark metrics
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+ └── assets/
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+ ├── MiniMax_H3_TheoremFlow_Omega_Champion.mp4 # 70.11s TheoremFlow-Ω generated video + Korean speech
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+ ├── MiniMax_H3_Rung_Omega_50blk_Champion.mp4 # Full 20-step generated video + Korean speech
88
+ ├── MiniMax_H3_TheoremFlow_Omega_Champion_audio.wav # 32kHz stereo audio output
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+ └── MiniMax_H3_TheoremFlow_Omega_Champion_keyframes.png
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+ ```
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+
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+ ---
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+
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+ ## 🚀 Quickstart
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+
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+ ### 1. Register `TensorCoreRungOmegaTernaryLayout` in ComfyUI
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+
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+ Patch your ComfyUI installation (`comfy/quant_ops.py` and `comfy/ops.py`) so `UNETLoader` natively recognizes `"format": "rung_omega_ternary"`:
99
+
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+ ```bash
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+ python3 src/register_comfyui_rung_omega.py
102
+ ```
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+
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+ ### 2. Place Checkpoint in ComfyUI `diffusion_models/`
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+
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+ ```bash
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+ ln -s /path/to/diffusion_models/minimax_h3_fl2va_pruned_rung_omega.safetensors \
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+ /path/to/ComfyUI/models/diffusion_models/minimax_h3_fl2va_pruned_rung_omega.safetensors
109
+ ```
110
+
111
+ ### 3. Run End-to-End Video + Audio Generation with `TheoremFlow-Ω` (`8.92x` Speedup)
112
+
113
+ ```bash
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+ python3 src/generate_minimax_h3_rung_omega_video.py \
115
+ --unet-name minimax_h3_fl2va_pruned_rung_omega.safetensors \
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+ --first-frame /path/to/input_frame.png \
117
+ --width 864 --height 480 --length 124 --steps 20 \
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+ --theoremflow \
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+ --output-mp4 output_theoremflow_omega.mp4
120
+ ```
121
+
122
+ ### 4. Programmatic Usage of `TheoremFlow-Ω` on a Loaded ComfyUI Model
123
+
124
+ ```python
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+ import torch
126
+ from theoremflow_omega import install_floor1_static_int8_engine, install_theoremflow_omega_schedule
127
+
128
+ # 1. Install Floor 1: Gauge-folded Base-243 -> Static-Workspace INT8 MMA + Fused SwiGLU + NHD SageAttention
129
+ f1_info = install_floor1_static_int8_engine(
130
+ model.model.diffusion_model,
131
+ max_seq_len=16384,
132
+ device=torch.device("cuda:0"),
133
+ )
134
+
135
+ # 2. Install Floors 2, 3, and 5: Step-0 Constant Folding + Bi-Time Secant Boundary-Pinned Trunk Schedule
136
+ tf_state = install_theoremflow_omega_schedule(
137
+ model.model.diffusion_model,
138
+ exact_steps={0, 1, 2, 7, 13, 19},
139
+ head_blocks=1,
140
+ tail_blocks=1,
141
+ )
142
+ ```
143
+
144
+ ---
145
+
146
+ ## 🔬 Technical Architecture Overview
147
+
148
+ 1. **Bijective 5-in-4 Base-243 Packing (`rung_omega_ternary`)**:
149
+ * Each linear weight matrix $W \in \mathbb{R}^{M \times K}$ is rotated in 256-element blocks via the DC-balanced regular orthogonal Hadamard matrix $H_{256} = H_4^{\otimes 4}$ and mapped onto the symmetric 4-Trit Balanced Base-3 lattice $q \in \{-40, \dots, +40\}$ with `FP16` group scales (`group_size = 128`).
150
+ * Five 4-trit codes $(u_0, u_1, u_2, u_3, u_4) \in \{0, \dots, 80\}^5$ are bijectively packed into 4 bytes $b_i = u_i + 81 \cdot \text{trit}_i(u_4) \in \{0, \dots, 242\}$ (`6.40` raw storage bits/weight, `5.976` Joint-tANS entropy bits/weight).
151
+ 2. **TheoremFlow-Ω Inference Engine (`src/theoremflow_omega.py`)**:
152
+ * **Floor 1 (Hardware Execution Roofline)**: Unpacks Base-243 weights once at load time into gauge-folded INT8 tensors (`-3.55 GiB` VRAM saved), pre-allocates a static contiguous CUDA workspace (eliminating 16,000+ `cudaMalloc`/`cudaFree` calls), fuses `SwiGLU + ConvRot64 + Rowwise INT8 Quantize` in `MLP.fc2`, and runs zero-transpose `NHD` `sageattn_qk_int8_pv_fp16_cuda`.
153
+ * **Floor 2 & 3 (Bi-Time Intrinsic Flow & Boundary-Pinned Trunk Splitting)**: Evaluates exact boundary blocks and `FinalLayer` on the live Step-$k$ state while bridging the interior trunk via modality-decoupled Bi-Time Secant extrapolation along $(t_v, t_a)$.
154
+ * **Floor 5 (Zero-Recompute Step-0 Constant Folding)**: Folds `PackedLayout`, `rope_rotation_table`, `TokenRefiner(condition_proj(text_states))`, and `video_patch_proj(cond_video_rows)` into Step-0 constants (`0.0 ms` overhead on Steps `1..19`).
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+ {
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+ "model": "MiniMaxAI/MiniMax-H3 (FL2VA 50-Block DiT)",
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+ "hardware": "NVIDIA GB10",
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+ "num_blocks_processed": 50,
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+ "peak_gpu_vram_mib": 4647.83,
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+ "elapsed_sec": 1181.8,
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+ "bf16_teacher_active_gib": 37.463,
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+ "baseline_int8_convrot_official_recommended": {
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+ "total_gib": 19.531,
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+ "bpw": 8.003,
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+ "compression_vs_bf16": 1.92,
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+ "compression_vs_498gb_repo": 23.75,
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+ "metrics": {
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+ "combined_top1_pct": 79.17,
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+ "video_top1_pct": 79.69,
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+ "audio_top1_pct": 77.6,
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+ "video_spatial_top1_pct": 72.92,
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+ }
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+ },
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+ "rung_omega_tracks": {
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+ "omega_4trit_pareto": {
33
+ "label": "Rung Ω 4-Trit Full-Range Sub-15GiB Pareto Champion + GPTAQ + Joint-tANS + S_fast",
34
+ "num_trits": 4,
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+ "max_q": 40,
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+ "bpw_independent": 5.967,
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+ "total_gib_independent": 14.957,
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+ "lossless_tans_saved_mib": -22.29,
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+ "compression_vs_bf16": 2.5,
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+ "compression_vs_int8_convrot": 1.3,
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+ "compression_vs_498gb_repo": 30.96,
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+ "audio_top1_pct": 81.77,
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+ "video_spatial_top1_pct": 78.12,
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+ "video_sign_match_pct": 99.67,
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+ }
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+ }
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+ }
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+ {
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+ }
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+ },
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+ "baseline_nvfp4_rtn": {
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+ "bpw": 4.5,
34
+ "compression_vs_bf16": 3.21,
35
+ "compression_vs_498gb_repo": 39.75,
36
+ "metrics": {
37
+ "combined_top1_pct": 97.53,
38
+ "video_top1_pct": 97.22,
39
+ "audio_top1_pct": 98.44,
40
+ "video_spatial_top1_pct": 94.79,
41
+ "audio_spatial_top1_pct": 96.88,
42
+ "video_sign_match_pct": 100.0,
43
+ "combined_snr_db": 33.61,
44
+ "video_snr_db": 34.19,
45
+ "audio_snr_db": 31.88,
46
+ "video_cos": 0.99981,
47
+ "audio_cos": 0.999676,
48
+ "video_r2_pct": 99.96,
49
+ "audio_r2_pct": 99.94,
50
+ "video_rel_err": 0.01953,
51
+ "audio_rel_err": 0.02546
52
+ }
53
+ },
54
+ "rung_omega_tracks": {
55
+ "omega_base15_ultra": {
56
+ "label": "Rung Ω Base-15 Sub-4Bit Ultra-Compressed + GPTAQ + Joint-tANS + S_fast",
57
+ "num_trits": 3,
58
+ "max_q": 7,
59
+ "bpw_independent": 3.422,
60
+ "bpw_joint_tans": 3.432,
61
+ "total_gib_independent": 9.249,
62
+ "total_gib_joint_tans": 9.271,
63
+ "total_gib_raw_base243_u8": 10.827,
64
+ "lossless_tans_saved_mib": -22.53,
65
+ "compression_vs_bf16": 4.04,
66
+ "compression_vs_int8_convrot": 2.11,
67
+ "compression_vs_498gb_repo": 50.02,
68
+ "metrics_before_s_fast": {
69
+ "combined_top1_pct": 99.09,
70
+ "video_top1_pct": 99.13,
71
+ "audio_top1_pct": 98.96,
72
+ "video_spatial_top1_pct": 98.96,
73
+ "audio_spatial_top1_pct": 100.0,
74
+ "video_sign_match_pct": 100.0,
75
+ "combined_snr_db": 41.84,
76
+ "video_snr_db": 41.95,
77
+ "audio_snr_db": 41.51,
78
+ "video_cos": 0.999968,
79
+ "audio_cos": 0.999965,
80
+ "video_r2_pct": 99.99,
81
+ "audio_r2_pct": 99.99,
82
+ "video_rel_err": 0.00799,
83
+ "audio_rel_err": 0.0084
84
+ },
85
+ "metrics_after_s_fast": {
86
+ "combined_top1_pct": 99.48,
87
+ "video_top1_pct": 99.48,
88
+ "audio_top1_pct": 99.48,
89
+ "video_spatial_top1_pct": 97.92,
90
+ "audio_spatial_top1_pct": 100.0,
91
+ "video_sign_match_pct": 100.0,
92
+ "combined_snr_db": 44.31,
93
+ "video_snr_db": 45.09,
94
+ "audio_snr_db": 41.98,
95
+ "video_cos": 0.999984,
96
+ "audio_cos": 0.999968,
97
+ "video_r2_pct": 100.0,
98
+ "audio_r2_pct": 99.99,
99
+ "video_rel_err": 0.00557,
100
+ "audio_rel_err": 0.00796
101
+ }
102
+ },
103
+ "omega_4trit_sub45": {
104
+ "label": "Rung Ω 4-Trit ECSQ Sub-NVFP4 + GPTAQ + Joint-tANS + S_fast",
105
+ "num_trits": 4,
106
+ "max_q": 40,
107
+ "bpw_independent": 4.478,
108
+ "bpw_joint_tans": 4.488,
109
+ "total_gib_independent": 11.619,
110
+ "total_gib_joint_tans": 11.641,
111
+ "total_gib_raw_base243_u8": 16.211,
112
+ "lossless_tans_saved_mib": -22.43,
113
+ "compression_vs_bf16": 3.22,
114
+ "compression_vs_int8_convrot": 1.68,
115
+ "compression_vs_498gb_repo": 39.84,
116
+ "metrics_before_s_fast": {
117
+ "combined_top1_pct": 99.61,
118
+ "video_top1_pct": 99.83,
119
+ "audio_top1_pct": 98.96,
120
+ "video_spatial_top1_pct": 97.92,
121
+ "audio_spatial_top1_pct": 100.0,
122
+ "video_sign_match_pct": 100.0,
123
+ "combined_snr_db": 46.47,
124
+ "video_snr_db": 46.32,
125
+ "audio_snr_db": 46.93,
126
+ "video_cos": 0.999988,
127
+ "audio_cos": 0.99999,
128
+ "video_r2_pct": 100.0,
129
+ "audio_r2_pct": 100.0,
130
+ "video_rel_err": 0.00483,
131
+ "audio_rel_err": 0.0045
132
+ },
133
+ "metrics_after_s_fast": {
134
+ "combined_top1_pct": 99.48,
135
+ "video_top1_pct": 99.65,
136
+ "audio_top1_pct": 98.96,
137
+ "video_spatial_top1_pct": 98.96,
138
+ "audio_spatial_top1_pct": 100.0,
139
+ "video_sign_match_pct": 100.0,
140
+ "combined_snr_db": 47.77,
141
+ "video_snr_db": 48.0,
142
+ "audio_snr_db": 47.07,
143
+ "video_cos": 0.999992,
144
+ "audio_cos": 0.99999,
145
+ "video_r2_pct": 100.0,
146
+ "audio_r2_pct": 100.0,
147
+ "video_rel_err": 0.00398,
148
+ "audio_rel_err": 0.00443
149
+ }
150
+ },
151
+ "omega_4trit_pareto": {
152
+ "label": "Rung Ω 4-Trit Full-Range Sub-14GiB Pareto + GPTAQ + Joint-tANS + S_fast",
153
+ "num_trits": 4,
154
+ "max_q": 40,
155
+ "bpw_independent": 5.967,
156
+ "bpw_joint_tans": 5.977,
157
+ "total_gib_independent": 14.959,
158
+ "total_gib_joint_tans": 14.98,
159
+ "total_gib_raw_base243_u8": 16.211,
160
+ "lossless_tans_saved_mib": -22.3,
161
+ "compression_vs_bf16": 2.5,
162
+ "compression_vs_int8_convrot": 1.3,
163
+ "compression_vs_498gb_repo": 30.96,
164
+ "metrics_before_s_fast": {
165
+ "combined_top1_pct": 99.87,
166
+ "video_top1_pct": 99.83,
167
+ "audio_top1_pct": 100.0,
168
+ "video_spatial_top1_pct": 98.96,
169
+ "audio_spatial_top1_pct": 100.0,
170
+ "video_sign_match_pct": 100.0,
171
+ "combined_snr_db": 50.36,
172
+ "video_snr_db": 50.12,
173
+ "audio_snr_db": 51.07,
174
+ "video_cos": 0.999995,
175
+ "audio_cos": 0.999996,
176
+ "video_r2_pct": 100.0,
177
+ "audio_r2_pct": 100.0,
178
+ "video_rel_err": 0.00312,
179
+ "audio_rel_err": 0.0028
180
+ },
181
+ "metrics_after_s_fast": {
182
+ "combined_top1_pct": 99.87,
183
+ "video_top1_pct": 99.83,
184
+ "audio_top1_pct": 100.0,
185
+ "video_spatial_top1_pct": 98.96,
186
+ "audio_spatial_top1_pct": 100.0,
187
+ "video_sign_match_pct": 100.0,
188
+ "combined_snr_db": 50.62,
189
+ "video_snr_db": 50.45,
190
+ "audio_snr_db": 51.14,
191
+ "video_cos": 0.999995,
192
+ "audio_cos": 0.999996,
193
+ "video_r2_pct": 100.0,
194
+ "audio_r2_pct": 100.0,
195
+ "video_rel_err": 0.003,
196
+ "audio_rel_err": 0.00277
197
+ }
198
+ },
199
+ "omega_5trit_supreme": {
200
+ "label": "Rung Ω 5-Trit Theorem-Floor Supreme (< int8_convrot GiB) + GPTAQ + Joint-tANS + S_fast",
201
+ "num_trits": 5,
202
+ "max_q": 121,
203
+ "bpw_independent": 7.566,
204
+ "bpw_joint_tans": 7.575,
205
+ "total_gib_independent": 18.545,
206
+ "total_gib_joint_tans": 18.566,
207
+ "total_gib_raw_base243_u8": 19.799,
208
+ "lossless_tans_saved_mib": -21.38,
209
+ "compression_vs_bf16": 2.02,
210
+ "compression_vs_int8_convrot": 1.05,
211
+ "compression_vs_498gb_repo": 24.98,
212
+ "metrics_before_s_fast": {
213
+ "combined_top1_pct": 99.48,
214
+ "video_top1_pct": 99.65,
215
+ "audio_top1_pct": 98.96,
216
+ "video_spatial_top1_pct": 100.0,
217
+ "audio_spatial_top1_pct": 100.0,
218
+ "video_sign_match_pct": 100.0,
219
+ "combined_snr_db": 52.57,
220
+ "video_snr_db": 52.28,
221
+ "audio_snr_db": 53.45,
222
+ "video_cos": 0.999997,
223
+ "audio_cos": 0.999998,
224
+ "video_r2_pct": 100.0,
225
+ "audio_r2_pct": 100.0,
226
+ "video_rel_err": 0.00243,
227
+ "audio_rel_err": 0.00213
228
+ },
229
+ "metrics_after_s_fast": {
230
+ "combined_top1_pct": 99.48,
231
+ "video_top1_pct": 99.65,
232
+ "audio_top1_pct": 98.96,
233
+ "video_spatial_top1_pct": 100.0,
234
+ "audio_spatial_top1_pct": 100.0,
235
+ "video_sign_match_pct": 100.0,
236
+ "combined_snr_db": 52.6,
237
+ "video_snr_db": 52.32,
238
+ "audio_snr_db": 53.47,
239
+ "video_cos": 0.999997,
240
+ "audio_cos": 0.999998,
241
+ "video_r2_pct": 100.0,
242
+ "audio_r2_pct": 100.0,
243
+ "video_rel_err": 0.00242,
244
+ "audio_rel_err": 0.00212
245
+ }
246
+ }
247
+ }
248
+ }
src/generate_minimax_h3_rung_omega_video.py ADDED
@@ -0,0 +1,541 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ #!/usr/bin/env python3
2
+ """
3
+ Standalone Process-Isolated Video+Audio Generator for Pure 50-Block Rung Ω Champion MiniMax-H3 on DGX
4
+ =====================================================================================================
5
+ On NVIDIA GB10 (Unified Memory where CPU RAM and GPU VRAM share the same physical pool):
6
+ Stage 1 (Subprocess 1): Qwen3-VL-32B Text Conditioning + First-Frame Video VAE Encode
7
+ -> `/mnt/data4tb/scheduler/42.minimax/_rung_omega_s1_cond.pt`
8
+ Stage 2 (Subprocess 2): 50-Block Pure Rung Ω Champion DiT (`minimax_h3_fl2va_pruned_rung_omega.safetensors`)
9
+ (200/200 `TensorCoreRungOmegaTernaryLayout` layers, 0 `NVFP4` layers)
10
+ Joint Video+Audio Flow-Matching Sampling
11
+ -> `/mnt/data4tb/scheduler/42.minimax/_rung_omega_s2_latent.pt`
12
+ Stage 3 (Subprocess 3): LTXVSeparateAVLatent -> 5k+2 (`latent_t=7` -> 22 frames) Temporal Window Video VAE Decode
13
+ (< 2.5 GiB Peak VRAM, avoiding ComfyUI's `temporal_size=None` 124-frame 70 GiB spike)
14
+ + VAEDecodeAudio (32kHz Stereo) -> FFmpeg H.264 + AAC `.mp4`
15
+ """
16
+
17
+ import argparse
18
+ import gc
19
+ import os
20
+ import subprocess
21
+ import sys
22
+ import time
23
+ import wave
24
+ from pathlib import Path
25
+
26
+ os.environ.setdefault("TRITON_PTXAS_PATH", "/usr/local/cuda/bin/ptxas")
27
+
28
+ import numpy as np
29
+ from PIL import Image
30
+ import torch
31
+
32
+ COMFY_H3_ROOT = "/mnt/data4tb/ComfyUI-h3"
33
+ if COMFY_H3_ROOT not in sys.path:
34
+ sys.path.insert(0, COMFY_H3_ROOT)
35
+
36
+
37
+ def apply_gb10_safe_cli_args(reserve_vram: float = 50.0):
38
+ """Apply NVIDIA GB10 Unified-Memory safe flags used by the host ComfyUI service."""
39
+ import psutil
40
+ from comfy.cli_args import args as comfy_args
41
+ comfy_args.bf16_vae = True
42
+ comfy_args.disable_pinned_memory = True
43
+ comfy_args.disable_async_offload = True
44
+ comfy_args.reserve_vram = reserve_vram
45
+
46
+ import comfy.model_management as mm
47
+ if not getattr(mm, "_gb10_patched", False):
48
+ _orig_get_free_memory = mm.get_free_memory
49
+
50
+ def _gb10_get_free_memory(dev=None, torch_free_too=False):
51
+ res = _orig_get_free_memory(dev, torch_free_too=torch_free_too)
52
+ avail = psutil.virtual_memory().available
53
+ return (max(res[0], avail), res[1]) if torch_free_too else max(res, avail)
54
+
55
+ mm.get_free_memory = _gb10_get_free_memory
56
+ mm._gb10_patched = True
57
+
58
+
59
+ def register_minimax_paths():
60
+ import folder_paths
61
+ base = "/mnt/data4tb/scheduler/42.minimax/models"
62
+ folder_paths.add_model_folder_path("diffusion_models", os.path.join(base, "diffusion_models"))
63
+ folder_paths.add_model_folder_path("text_encoders", os.path.join(base, "text_encoders"))
64
+ folder_paths.add_model_folder_path("vae", os.path.join(base, "vae"))
65
+ folder_paths.add_model_folder_path("loras", os.path.join(COMFY_H3_ROOT, "models", "loras"))
66
+
67
+
68
+ def unwrap_node_out(res):
69
+ if hasattr(res, "args"):
70
+ return res.args
71
+ if isinstance(res, dict) and "result" in res:
72
+ return res["result"]
73
+ return res
74
+
75
+
76
+ def move_to_cpu_recursive(obj):
77
+ if isinstance(obj, torch.Tensor):
78
+ return obj.detach().cpu()
79
+ if isinstance(obj, dict):
80
+ return {k: move_to_cpu_recursive(v) for k, v in obj.items()}
81
+ if isinstance(obj, list):
82
+ return [move_to_cpu_recursive(v) for v in obj]
83
+ if isinstance(obj, tuple):
84
+ return tuple(move_to_cpu_recursive(v) for v in obj)
85
+ if hasattr(obj, "tensors"):
86
+ import comfy.nested_tensor
87
+ return comfy.nested_tensor.NestedTensor(tuple(move_to_cpu_recursive(t) for t in obj.tensors))
88
+ return obj
89
+
90
+
91
+ def run_stage1(args, s1_path: str):
92
+ apply_gb10_safe_cli_args()
93
+ import nodes
94
+ from comfy_extras.nodes_minimax_h3 import MiniMaxH3ImageToVideo
95
+
96
+ t0 = time.time()
97
+ register_minimax_paths()
98
+ print(f"[Rung Ω VideoGen | Stage 1] Loading Qwen3-VL-32B Text Encoder & Video VAE...", flush=True)
99
+ clip_loader = nodes.CLIPLoader()
100
+ clip = unwrap_node_out(
101
+ clip_loader.load_clip("qwen3vl_32b_minimax_h3_nvfp4_awq.safetensors", type="minimax", device="default")
102
+ )[0]
103
+ vae_loader = nodes.VAELoader()
104
+ video_vae = unwrap_node_out(vae_loader.load_vae("minimax_h3_video_vae_fp16.safetensors"))[0]
105
+
106
+ pil_img = Image.open(args.first_frame).convert("RGB")
107
+ img_np = np.array(pil_img).astype(np.float32) / 255.0
108
+ first_frame_tensor = torch.from_numpy(img_np).unsqueeze(0)
109
+
110
+ cond, av_latent = unwrap_node_out(
111
+ MiniMaxH3ImageToVideo.execute(
112
+ clip=clip,
113
+ vae=video_vae,
114
+ prompt=args.prompt,
115
+ width=args.width,
116
+ height=args.height,
117
+ length=args.length,
118
+ first_frame=first_frame_tensor,
119
+ last_frame=None,
120
+ )
121
+ )
122
+ v_lat, a_lat = av_latent["samples"].tensors
123
+ payload = {
124
+ "cond": move_to_cpu_recursive(cond),
125
+ "video_latent": v_lat.detach().cpu(),
126
+ "audio_latent": a_lat.detach().cpu(),
127
+ }
128
+ torch.save(payload, s1_path)
129
+ print(
130
+ f"[Rung Ω VideoGen | Stage 1] Complete in {time.time() - t0:.1f}s "
131
+ f"(Peak VRAM: {torch.cuda.max_memory_allocated() / (1024**2):.1f} MiB). Exiting subprocess to release Unified Memory.",
132
+ flush=True,
133
+ )
134
+ sys.stdout.flush()
135
+ os._exit(0)
136
+
137
+
138
+ def run_stage2(args, s1_path: str, s2_path: str):
139
+ apply_gb10_safe_cli_args(reserve_vram=2.0 if args.theoremflow else 50.0)
140
+ import nodes
141
+ import comfy.model_management as mm
142
+ import comfy.nested_tensor
143
+ from comfy.model_patcher import LowVramPatch
144
+ from comfy.quant_ops import QuantizedTensor
145
+ from comfy_extras.nodes_custom_sampler import (
146
+ BasicGuider,
147
+ BasicScheduler,
148
+ KSamplerSelect,
149
+ RandomNoise,
150
+ SamplerCustomAdvanced,
151
+ )
152
+
153
+ t0 = time.time()
154
+ register_minimax_paths()
155
+ payload = torch.load(s1_path, map_location="cpu", weights_only=False)
156
+ cond = payload["cond"]
157
+ av_latent = {
158
+ "samples": comfy.nested_tensor.NestedTensor(
159
+ (payload["video_latent"], payload["audio_latent"])
160
+ )
161
+ }
162
+
163
+ print(f"[Rung Ω VideoGen | Stage 2] Loading 50-Block Pure Rung Ω Champion DiT ({args.unet_name})...", flush=True)
164
+ unet_loader = nodes.UNETLoader()
165
+ model = unwrap_node_out(unet_loader.load_unet(args.unet_name, weight_dtype="default"))[0]
166
+
167
+ if args.lora_name:
168
+ print(f"[Rung Ω VideoGen | Stage 2] Attaching 4-Step Turbo LoRA ({args.lora_name}) as on-the-fly post-dequant wrapper...", flush=True)
169
+ lora_loader = nodes.LoraLoaderModelOnly()
170
+ model = unwrap_node_out(
171
+ lora_loader.load_lora_model_only(model, args.lora_name, strength_model=1.0)
172
+ )[0]
173
+ patches_snapshot = dict(model.patches)
174
+ for key in list(patches_snapshot.keys()):
175
+ model.add_weight_wrapper(key, LowVramPatch(key, patches_snapshot))
176
+ model.patches.clear()
177
+
178
+ n_omega = 0
179
+ n_nvfp4 = 0
180
+ for name, mod in model.model.diffusion_model.named_modules():
181
+ if name.startswith("blocks.") and hasattr(mod, "weight") and isinstance(mod.weight, QuantizedTensor):
182
+ layout_str = str(getattr(mod, "layout_type", ""))
183
+ if "RungOmega" in layout_str:
184
+ n_omega += 1
185
+ elif "NVFP4" in layout_str:
186
+ n_nvfp4 += 1
187
+ print(
188
+ f"[Rung Ω VideoGen | Stage 2] Model Layer Audit: {n_omega}/200 linear layers in TensorCoreRungOmegaTernaryLayout | "
189
+ f"NVFP4 layers = {n_nvfp4} (MUST BE 0)",
190
+ flush=True,
191
+ )
192
+ assert n_omega == 200 and n_nvfp4 == 0, f"Expected 200 Rung Omega layers and 0 NVFP4 layers, got {n_omega} and {n_nvfp4}"
193
+
194
+ if args.theoremflow:
195
+ from theoremflow_omega import install_floor1_static_int8_engine, install_theoremflow_omega_schedule
196
+
197
+ mm.load_models_gpu([model], force_full_load=True)
198
+ f1_info = install_floor1_static_int8_engine(
199
+ model.model.diffusion_model,
200
+ max_seq_len=16384,
201
+ device=torch.device("cuda:0"),
202
+ )
203
+ exact_set = {int(s.strip()) for s in args.exact_steps.split(",") if s.strip()}
204
+ tf_state = install_theoremflow_omega_schedule(
205
+ model.model.diffusion_model,
206
+ exact_steps=exact_set,
207
+ head_blocks=args.head_blocks,
208
+ tail_blocks=args.tail_blocks,
209
+ secant_alpha_v=args.secant_alpha_v,
210
+ secant_alpha_a=args.secant_alpha_a,
211
+ parareal_relax_v=args.parareal_relax_v,
212
+ parareal_relax_a=args.parareal_relax_a,
213
+ )
214
+ print(
215
+ f"[TheoremFlow-Ω | Stage 2] Installed Floor 1-5 Engine in {f1_info['setup_sec']:.2f}s "
216
+ f"(Allocated VRAM: {f1_info['vram_mib']:.1f} MiB | Exact Macro-Steps: {sorted(exact_set)} | "
217
+ f"Fast Boundary Blocks: {args.head_blocks}+{args.tail_blocks})",
218
+ flush=True,
219
+ )
220
+
221
+ noise = unwrap_node_out(RandomNoise.execute(noise_seed=args.seed))[0]
222
+ guider = unwrap_node_out(BasicGuider.execute(model=model, conditioning=cond))[0]
223
+ sampler = unwrap_node_out(KSamplerSelect.execute(sampler_name="res_multistep"))[0]
224
+ sigmas = unwrap_node_out(BasicScheduler.execute(model=model, scheduler="simple", steps=args.steps, denoise=1.0))[0]
225
+
226
+ print(
227
+ f"[Rung Ω VideoGen | Stage 2] Running Joint Video+Audio Flow-Matching Sampling "
228
+ f"({args.width}x{args.height}, {args.length} frames, {args.steps} steps, seed={args.seed})...",
229
+ flush=True,
230
+ )
231
+ t_sample0 = time.time()
232
+ sampled_latent, _ = unwrap_node_out(
233
+ SamplerCustomAdvanced.execute(
234
+ noise=noise,
235
+ guider=guider,
236
+ sampler=sampler,
237
+ sigmas=sigmas,
238
+ latent_image=av_latent,
239
+ )
240
+ )
241
+ t_sample_total = time.time() - t_sample0
242
+ v_out, a_out = sampled_latent["samples"].tensors
243
+ v_out_cpu = v_out.detach().cpu()
244
+ a_out_cpu = a_out.detach().cpu()
245
+
246
+ if args.compare_s2_gt and os.path.exists(args.compare_s2_gt):
247
+ gt_payload = torch.load(args.compare_s2_gt, map_location="cpu", weights_only=False)
248
+ v_gt = gt_payload["video_latent"].float()
249
+ a_gt = gt_payload["audio_latent"].float()
250
+ vp = v_out_cpu.float()
251
+ ap = a_out_cpu.float()
252
+ v_cos = float(torch.nn.functional.cosine_similarity(vp.flatten(), v_gt.flatten(), dim=0).item())
253
+ a_cos = float(torch.nn.functional.cosine_similarity(ap.flatten(), a_gt.flatten(), dim=0).item())
254
+ v_snr = float((10.0 * torch.log10(v_gt.pow(2).sum() / (vp - v_gt).pow(2).sum().clamp(min=1e-12))).item())
255
+ a_snr = float((10.0 * torch.log10(a_gt.pow(2).sum() / (ap - a_gt).pow(2).sum().clamp(min=1e-12))).item())
256
+ print(
257
+ f"[TheoremFlow-Ω | Stage 2 20-Step End-to-End Fidelity vs 625.4s Baseline]\n"
258
+ f" -> Pure Sampling Wall-Clock : {t_sample_total:.2f}s (Speedup vs 625.4s: {625.4 / max(t_sample_total, 1e-3):.2f}x)\n"
259
+ f" -> Video Latent Fidelity : Cosine = {v_cos:.6f} | SNR = {v_snr:.2f} dB\n"
260
+ f" -> Audio Latent Fidelity : Cosine = {a_cos:.6f} | SNR = {a_snr:.2f} dB",
261
+ flush=True,
262
+ )
263
+
264
+ torch.save(
265
+ {
266
+ "video_latent": v_out_cpu,
267
+ "audio_latent": a_out_cpu,
268
+ },
269
+ s2_path,
270
+ )
271
+ print(
272
+ f"[Rung Ω VideoGen | Stage 2] Sampling Complete in {t_sample_total:.2f}s (Total Stage 2: {time.time() - t0:.1f}s, "
273
+ f"Peak VRAM: {torch.cuda.max_memory_allocated() / (1024**2):.1f} MiB). Exiting subprocess to release Unified Memory.",
274
+ flush=True,
275
+ )
276
+ sys.stdout.flush()
277
+ os._exit(0)
278
+
279
+
280
+ def decode_minimax_video_5k2_windows(video_vae, z: torch.Tensor) -> np.ndarray:
281
+ """
282
+ Decode MiniMax-H3 Video Latent `z` ([1, 24, T_lat, H_lat, W_lat], where T_lat = 5*K + 2)
283
+ using bounded 5k+2 sliding windows (`T_chunk = 7` -> `22` pixel frames per chunk: 5 context + 17 new).
284
+ Prevents ComfyUI's `temporal_size=None` fallback from decoding all 124 frames at once (70+ GiB).
285
+ """
286
+ T_lat = z.shape[2]
287
+ assert (T_lat - 2) % 5 == 0, f"Expected T_lat = 5k+2, got {T_lat}"
288
+ num_chunks = (T_lat - 2) // 5
289
+ decoded_chunks = []
290
+
291
+ for idx in range(num_chunks):
292
+ t_start = 5 * idx
293
+ t_end = t_start + 7 # 2 context latent frames + 5 new latent frames = 7 latent frames -> 22 pixel frames
294
+ z_chunk = z[:, :, t_start:t_end, :, :]
295
+ with torch.no_grad():
296
+ frames_chunk = video_vae.decode(z_chunk) # [1, 22, H, W, 3] or [22, H, W, 3]
297
+ if frames_chunk.ndim == 5:
298
+ frames_chunk = frames_chunk[0]
299
+ frames_chunk_cpu = (frames_chunk.detach().cpu().float().clamp(0.0, 1.0).numpy() * 255.0).round().astype(np.uint8)
300
+ del frames_chunk, z_chunk
301
+ torch.cuda.empty_cache()
302
+
303
+ if idx == 0:
304
+ decoded_chunks.append(frames_chunk_cpu) # all 22 frames (5 + 17)
305
+ else:
306
+ decoded_chunks.append(frames_chunk_cpu[5:]) # 17 new frames after 5-frame causal context
307
+ print(
308
+ f" [Stage 3 VideoVAE] Chunk {idx + 1}/{num_chunks} (latent [{t_start}:{t_end}]) -> "
309
+ f"{decoded_chunks[-1].shape[0]} frames | Peak VRAM: {torch.cuda.max_memory_allocated() / (1024**2):.1f} MiB",
310
+ flush=True,
311
+ )
312
+
313
+ return np.concatenate(decoded_chunks, axis=0)
314
+
315
+
316
+ def run_stage3(args, s2_path: str):
317
+ apply_gb10_safe_cli_args()
318
+ import nodes
319
+ import comfy.nested_tensor
320
+ from comfy_extras.nodes_lt import LTXVSeparateAVLatent
321
+ from comfy_extras.nodes_audio import VAEDecodeAudio
322
+
323
+ t0 = time.time()
324
+ register_minimax_paths()
325
+ payload = torch.load(s2_path, map_location="cpu", weights_only=False)
326
+ sampled_latent = {
327
+ "samples": comfy.nested_tensor.NestedTensor(
328
+ (payload["video_latent"], payload["audio_latent"])
329
+ )
330
+ }
331
+
332
+ print(f"[Rung Ω VideoGen | Stage 3] Decoding Video Frames (5k+2 Bounded Temporal Windows) & Stereo Audio...", flush=True)
333
+ video_latent, _ = unwrap_node_out(LTXVSeparateAVLatent.execute(av_latent=sampled_latent))
334
+
335
+ vae_loader = nodes.VAELoader()
336
+ video_vae = unwrap_node_out(vae_loader.load_vae("minimax_h3_video_vae_fp16.safetensors"))[0]
337
+ frames_np = decode_minimax_video_5k2_windows(video_vae, video_latent["samples"])
338
+ del video_vae
339
+ gc.collect()
340
+ torch.cuda.empty_cache()
341
+
342
+ audio_vae = unwrap_node_out(vae_loader.load_vae("minimax_h3_audio_vae_fp32.safetensors"))[0]
343
+ decoded_audio = unwrap_node_out(VAEDecodeAudio.execute(samples=sampled_latent, vae=audio_vae))[0]
344
+ waveform = decoded_audio["waveform"][0].detach().cpu().numpy()
345
+ sample_rate = int(decoded_audio.get("sample_rate", 32000))
346
+ del decoded_audio, audio_vae
347
+ torch.cuda.empty_cache()
348
+
349
+ num_frames, H, W, C = frames_np.shape
350
+ print(
351
+ f"[Rung Ω VideoGen | Stage 3] Decoded {num_frames} frames ({W}x{H} @ 24fps) and "
352
+ f"Audio ({waveform.shape[0]}ch, {waveform.shape[1]} samples @ {sample_rate}Hz).",
353
+ flush=True,
354
+ )
355
+
356
+ tmp_wav = "/tmp/rung_omega_audio.wav"
357
+ pcm16 = (np.clip(waveform.T, -1.0, 1.0) * 32767.0).astype(np.int16)
358
+ with wave.open(tmp_wav, "wb") as wf:
359
+ wf.setnchannels(waveform.shape[0])
360
+ wf.setsampwidth(2)
361
+ wf.setframerate(sample_rate)
362
+ wf.writeframes(pcm16.tobytes())
363
+
364
+ Path(args.output_mp4).parent.mkdir(parents=True, exist_ok=True)
365
+ ffmpeg_cmd = [
366
+ "ffmpeg",
367
+ "-y",
368
+ "-f",
369
+ "rawvideo",
370
+ "-vcodec",
371
+ "rawvideo",
372
+ "-s",
373
+ f"{W}x{H}",
374
+ "-pix_fmt",
375
+ "rgb24",
376
+ "-r",
377
+ "24",
378
+ "-i",
379
+ "-",
380
+ "-i",
381
+ tmp_wav,
382
+ "-c:v",
383
+ "libx264",
384
+ "-pix_fmt",
385
+ "yuv420p",
386
+ "-crf",
387
+ "18",
388
+ "-preset",
389
+ "fast",
390
+ "-c:a",
391
+ "aac",
392
+ "-b:a",
393
+ "192k",
394
+ "-shortest",
395
+ args.output_mp4,
396
+ ]
397
+ proc = subprocess.Popen(ffmpeg_cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
398
+ _, stderr_bytes = proc.communicate(input=frames_np.tobytes())
399
+ if proc.returncode != 0:
400
+ raise RuntimeError(f"FFmpeg failed: {stderr_bytes.decode('utf-8', errors='replace')}")
401
+
402
+ if os.path.exists(tmp_wav):
403
+ os.remove(tmp_wav)
404
+
405
+ size_kb = os.path.getsize(args.output_mp4) / 1024.0
406
+ print(
407
+ f"[Rung Ω VideoGen | Stage 3] SUCCESS! Saved {args.output_mp4} ({size_kb:.1f} KiB) in {time.time() - t0:.1f}s "
408
+ f"(Peak Stage-3 VRAM: {torch.cuda.max_memory_allocated() / (1024**2):.1f} MiB).",
409
+ flush=True,
410
+ )
411
+ sys.stdout.flush()
412
+ os._exit(0)
413
+
414
+
415
+ def main():
416
+ parser = argparse.ArgumentParser()
417
+ parser.add_argument("--stage", type=str, default="all", choices=["all", "1", "2", "3"])
418
+ parser.add_argument(
419
+ "--unet-name",
420
+ type=str,
421
+ default="minimax_h3_fl2va_pruned_rung_omega.safetensors",
422
+ )
423
+ parser.add_argument(
424
+ "--lora-name",
425
+ type=str,
426
+ default="",
427
+ )
428
+ parser.add_argument(
429
+ "--first-frame",
430
+ type=str,
431
+ default="/mnt/data4tb/ComfyUI-h3/input/cold_open_face.png",
432
+ )
433
+ parser.add_argument(
434
+ "--prompt",
435
+ type=str,
436
+ default=(
437
+ "A young Korean woman in a light blue hanbok sits in a dim room lit by a warm paper lantern, "
438
+ "webtoon noir illustration style, soft cinematic lighting. She looks at the camera and speaks "
439
+ "earnestly; her lips move naturally and precisely in sync as the line is spoken, with subtle head "
440
+ "motion and gentle blinking. Keep this exact 2D hand-drawn illustration/webtoon art style and "
441
+ "preserve the exact facial geometry, hairstyle, and light blue hanbok from the first frame. "
442
+ "The Korean line: \"오랜 시간 이곳에서 그대만을 기다리고 있었습니다.\". "
443
+ "Audio: one unmistakable young adult female Korean character voice, clear and natural pronunciation, "
444
+ "with expressive and clearly audible dialogue at a steady level, quiet ambience, no music."
445
+ ),
446
+ )
447
+ parser.add_argument("--width", type=int, default=864)
448
+ parser.add_argument("--height", type=int, default=480)
449
+ parser.add_argument("--length", type=int, default=124)
450
+ parser.add_argument("--steps", type=int, default=20)
451
+ parser.add_argument("--seed", type=int, default=42)
452
+ parser.add_argument(
453
+ "--output-mp4",
454
+ type=str,
455
+ default="/mnt/data4tb/scheduler/42.minimax/MiniMax_H3_Rung_Omega_50blk_Champion.mp4",
456
+ )
457
+ parser.add_argument(
458
+ "--s2-path",
459
+ type=str,
460
+ default="/mnt/data4tb/scheduler/42.minimax/_rung_omega_s2_latent_theoremflow.pt",
461
+ )
462
+ parser.add_argument(
463
+ "--compare-s2-gt",
464
+ type=str,
465
+ default="/mnt/data4tb/scheduler/42.minimax/_rung_omega_s2_latent.pt",
466
+ )
467
+ parser.add_argument(
468
+ "--theoremflow",
469
+ action=argparse.BooleanOptionalAction,
470
+ default=True,
471
+ help="Enable TheoremFlow-Ω (Floors 1-5 Mathematical Floor Inference Engine).",
472
+ )
473
+ parser.add_argument(
474
+ "--exact-steps",
475
+ type=str,
476
+ default="0,1,2,7,13,19",
477
+ help="Comma-separated indices of exact 50-block macro-steps (remaining steps use Fast Boundary-Pinned Trunk).",
478
+ )
479
+ parser.add_argument("--head-blocks", type=int, default=1)
480
+ parser.add_argument("--tail-blocks", type=int, default=1)
481
+ parser.add_argument("--secant-alpha-v", type=float, default=0.25)
482
+ parser.add_argument("--secant-alpha-a", type=float, default=0.25)
483
+ parser.add_argument("--parareal-relax-v", type=float, default=0.0)
484
+ parser.add_argument("--parareal-relax-a", type=float, default=0.35)
485
+ args = parser.parse_args()
486
+
487
+ script_dir = str(Path(__file__).resolve().parent)
488
+ if script_dir not in sys.path:
489
+ sys.path.insert(0, script_dir)
490
+
491
+ s1_path = "/mnt/data4tb/scheduler/42.minimax/_rung_omega_s1_cond.pt"
492
+ s2_path = args.s2_path
493
+ if not os.path.exists(s1_path) and os.path.exists("/tmp/rung_omega_s1_cond.pt"):
494
+ s1_path = "/tmp/rung_omega_s1_cond.pt"
495
+
496
+ if args.stage == "1":
497
+ run_stage1(args, s1_path)
498
+ elif args.stage == "2":
499
+ run_stage2(args, s1_path, s2_path)
500
+ elif args.stage == "3":
501
+ run_stage3(args, s2_path)
502
+ else:
503
+ t0_all = time.time()
504
+ base_argv = [
505
+ sys.executable,
506
+ os.path.abspath(__file__),
507
+ "--unet-name", args.unet_name,
508
+ "--lora-name", args.lora_name,
509
+ "--first-frame", args.first_frame,
510
+ "--prompt", args.prompt,
511
+ "--width", str(args.width),
512
+ "--height", str(args.height),
513
+ "--length", str(args.length),
514
+ "--steps", str(args.steps),
515
+ "--seed", str(args.seed),
516
+ "--output-mp4", args.output_mp4,
517
+ "--s2-path", s2_path,
518
+ "--compare-s2-gt", args.compare_s2_gt,
519
+ "--exact-steps", args.exact_steps,
520
+ "--head-blocks", str(args.head_blocks),
521
+ "--tail-blocks", str(args.tail_blocks),
522
+ "--secant-alpha-v", str(args.secant_alpha_v),
523
+ "--secant-alpha-a", str(args.secant_alpha_a),
524
+ "--parareal-relax-v", str(args.parareal_relax_v),
525
+ "--parareal-relax-a", str(args.parareal_relax_a),
526
+ "--theoremflow" if args.theoremflow else "--no-theoremflow",
527
+ ]
528
+ for st, check_file in (
529
+ ("1", s1_path),
530
+ ("2", s2_path),
531
+ ("3", None),
532
+ ):
533
+ if check_file and os.path.exists(check_file):
534
+ print(f"[Rung Ω VideoGen] Stage {st} cache found ({check_file}), skipping Stage {st}.", flush=True)
535
+ continue
536
+ subprocess.run(base_argv + ["--stage", st], check=True)
537
+ print(f"[Rung Ω VideoGen] ALL 3 STAGES COMPLETED IN {time.time() - t0_all:.1f}s!", flush=True)
538
+
539
+
540
+ if __name__ == "__main__":
541
+ main()
src/register_comfyui_rung_omega.py ADDED
@@ -0,0 +1,270 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ #!/usr/bin/env python3
2
+ """
3
+ Register TensorCoreRungOmegaTernaryLayout ("rung_omega_ternary") in ComfyUI-h3 on DGX
4
+ and run an end-to-end self-test verifying state_dict loading + forward pass.
5
+ """
6
+
7
+ from pathlib import Path
8
+
9
+ QUANT_OPS_PATH = Path("/mnt/data4tb/ComfyUI-h3/comfy/quant_ops.py")
10
+ OPS_PATH = Path("/mnt/data4tb/ComfyUI-h3/comfy/ops.py")
11
+
12
+ QUANT_OPS_PATCH = '''
13
+
14
+ # ==============================================================================
15
+ # Rung Omega Theorem-Floor Balanced Base-3 Layout (TensorCoreRungOmegaTernaryLayout)
16
+ # ==============================================================================
17
+ from dataclasses import dataclass as _omega_dataclass
18
+ from comfy_kitchen.tensor.base import BaseLayoutParams as _OmegaBaseLayoutParams
19
+
20
+ _OMEGA_LUT243_CACHE = {}
21
+ _OMEGA_HADAMARD_CACHE = {}
22
+
23
+
24
+ def _get_omega_lut243(device: torch.device) -> torch.Tensor:
25
+ key = str(device)
26
+ if key not in _OMEGA_LUT243_CACHE:
27
+ idx = torch.arange(243, device=device, dtype=torch.int32)
28
+ t0 = (idx % 3) - 1
29
+ t1 = ((idx // 3) % 3) - 1
30
+ t2 = ((idx // 9) % 3) - 1
31
+ t3 = ((idx // 27) % 3) - 1
32
+ t4 = ((idx // 81) % 3) - 1
33
+ _OMEGA_LUT243_CACHE[key] = torch.stack([t0, t1, t2, t3, t4], dim=-1).to(torch.int8)
34
+ return _OMEGA_LUT243_CACHE[key]
35
+
36
+
37
+ def _get_omega_hadamard(device: torch.device, size: int = 256) -> torch.Tensor:
38
+ key = (str(device), size)
39
+ if key not in _OMEGA_HADAMARD_CACHE:
40
+ h4 = torch.tensor(
41
+ [[1, 1, 1, -1], [1, 1, -1, 1], [1, -1, 1, 1], [-1, 1, 1, 1]],
42
+ dtype=torch.float32,
43
+ device=device,
44
+ )
45
+ h = h4
46
+ cur = 4
47
+ while cur < size:
48
+ h = torch.kron(h, h4)
49
+ cur *= 4
50
+ _OMEGA_HADAMARD_CACHE[key] = h / (size ** 0.5)
51
+ return _OMEGA_HADAMARD_CACHE[key]
52
+
53
+
54
+ class TensorCoreRungOmegaTernaryLayout(QuantizedLayout):
55
+ """Rung Omega Balanced Base-3 Multi-Trit + Regular Hadamard 256 Layout."""
56
+
57
+ @_omega_dataclass(frozen=True)
58
+ class Params(_OmegaBaseLayoutParams):
59
+ num_trits: int = 4
60
+ max_q: int = 40
61
+ group_size: int = 128
62
+ convrot_groupsize: int = 256
63
+ transposed: bool = False
64
+
65
+ def _tensor_fields(self) -> list[str]:
66
+ return ["scale"]
67
+
68
+ @classmethod
69
+ def quantize(cls, tensor: torch.Tensor, **kwargs):
70
+ raise NotImplementedError("Use rung_omega_minimax_h3_dgx.py for Sub-Block GPTAQ quantization.")
71
+
72
+ @classmethod
73
+ def dequantize(cls, qdata: torch.Tensor, params: Params) -> torch.Tensor:
74
+ M, K = (
75
+ (params.orig_shape[1], params.orig_shape[0])
76
+ if getattr(params, "transposed", False)
77
+ else params.orig_shape
78
+ )
79
+ T = int(getattr(params, "num_trits", 4))
80
+ max_q = int(getattr(params, "max_q", 40))
81
+ G = int(getattr(params, "group_size", 128))
82
+ H_sz = int(getattr(params, "convrot_groupsize", 256))
83
+
84
+ if max_q == 7 and qdata.shape[1] == K // 2:
85
+ q0 = (qdata % 15).to(torch.float32) - 7.0
86
+ q1 = (qdata // 15).to(torch.float32) - 7.0
87
+ q_int = torch.stack([q0, q1], dim=-1).view(M, K)
88
+ elif T == 5:
89
+ max_full = 121
90
+ q_int = qdata.to(torch.float32) - float(max_full)
91
+ else:
92
+ lut = _get_omega_lut243(qdata.device)
93
+ trits = lut[qdata.long()].reshape(M, -1)[:, : K * T].reshape(M, K, T)
94
+ q_int = trits[:, :, 0].to(torch.float32)
95
+ pow3 = 3.0
96
+ for p in range(1, T):
97
+ q_int = q_int + trits[:, :, p].to(torch.float32) * pow3
98
+ pow3 *= 3.0
99
+
100
+ w_rot = (q_int.view(M, K // G, G) * params.scale.float().unsqueeze(-1)).view(M, K)
101
+ H = _get_omega_hadamard(qdata.device, H_sz)
102
+ w_deq = (w_rot.view(-1, H_sz) @ H).view(M, K)
103
+ return w_deq.to(params.orig_dtype)
104
+
105
+ @classmethod
106
+ def get_plain_tensors(cls, qtensor: QuantizedTensor):
107
+ return qtensor._qdata, qtensor._params.scale
108
+
109
+ @classmethod
110
+ def state_dict_tensors(cls, qdata: torch.Tensor, params: Params):
111
+ return {"": qdata, "_scale": params.scale}
112
+
113
+
114
+ @register_layout_op(torch.ops.aten.t.default, TensorCoreRungOmegaTernaryLayout)
115
+ def _handle_rung_omega_transpose(qt, args, kwargs):
116
+ import dataclasses as _dc
117
+ input_tensor = args[0]
118
+ if not isinstance(input_tensor, QuantizedTensor):
119
+ return torch.ops.aten.t.default(*args, **kwargs)
120
+ old = input_tensor._params
121
+ new_params = _dc.replace(
122
+ old,
123
+ orig_shape=(old.orig_shape[1], old.orig_shape[0]),
124
+ transposed=not old.transposed,
125
+ )
126
+ return QuantizedTensor(input_tensor._qdata, "TensorCoreRungOmegaTernaryLayout", new_params)
127
+
128
+
129
+ register_layout_class("TensorCoreRungOmegaTernaryLayout", TensorCoreRungOmegaTernaryLayout)
130
+
131
+ QUANT_ALGOS["rung_omega_ternary"] = {
132
+ "storage_t": torch.uint8,
133
+ "parameters": {"weight_scale"},
134
+ "comfy_tensor_layout": "TensorCoreRungOmegaTernaryLayout",
135
+ "quantize_input": False,
136
+ }
137
+ '''
138
+
139
+
140
+ def apply_patches():
141
+ q_txt = QUANT_OPS_PATH.read_text()
142
+ old_ck_import = """ from comfy_kitchen.tensor import (
143
+ QuantizedTensor,
144
+ QuantizedLayout,
145
+ TensorCoreFP8Layout as _CKFp8Layout,
146
+ TensorCoreNVFP4Layout as _CKNvfp4Layout,
147
+ TensorCoreConvRotW4A4Layout as _CKTensorCoreConvRotW4A4Layout,
148
+ TensorWiseINT8Layout as _CKTensorWiseINT8Layout,
149
+ register_layout_op,
150
+ register_layout_class,
151
+ get_layout_class,
152
+ )"""
153
+ new_ck_import = """ from comfy_kitchen.tensor import (
154
+ QuantizedTensor,
155
+ QuantizedLayout,
156
+ TensorCoreFP8Layout as _CKFp8Layout,
157
+ TensorCoreNVFP4Layout as _CKNvfp4Layout,
158
+ TensorWiseINT8Layout as _CKTensorWiseINT8Layout,
159
+ register_layout_op,
160
+ register_layout_class,
161
+ get_layout_class,
162
+ )
163
+ try:
164
+ from comfy_kitchen.tensor import TensorCoreConvRotW4A4Layout as _CKTensorCoreConvRotW4A4Layout
165
+ except ImportError:
166
+ class _CKTensorCoreConvRotW4A4Layout:
167
+ pass"""
168
+ old_ck_import2 = """ from comfy_kitchen.tensor import (
169
+ QuantizedTensor,
170
+ QuantizedLayout,
171
+ TensorCoreFP8Layout as _CKFp8Layout,
172
+ TensorCoreNVFP4Layout as _CKNvfp4Layout,
173
+ TensorWiseINT8Layout as _CKTensorWiseINT8Layout,
174
+ register_layout_op,
175
+ register_layout_class,
176
+ get_layout_class,
177
+ )"""
178
+ new_ck_import2 = """ from comfy_kitchen.tensor import (
179
+ QuantizedTensor,
180
+ QuantizedLayout,
181
+ TensorCoreFP8Layout as _CKFp8Layout,
182
+ TensorCoreNVFP4Layout as _CKNvfp4Layout,
183
+ register_layout_op,
184
+ register_layout_class,
185
+ get_layout_class,
186
+ )
187
+ try:
188
+ from comfy_kitchen.tensor import TensorWiseINT8Layout as _CKTensorWiseINT8Layout
189
+ except ImportError:
190
+ class _CKTensorWiseINT8Layout:
191
+ pass"""
192
+ if old_ck_import2 in q_txt:
193
+ q_txt = q_txt.replace(old_ck_import2, new_ck_import2)
194
+ QUANT_OPS_PATH.write_text(q_txt)
195
+ print("[OK] Guarded TensorWiseINT8Layout import in comfy/quant_ops.py")
196
+
197
+ if "TensorCoreRungOmegaTernaryLayout" not in q_txt:
198
+ target = 'QUANT_ALGOS["convrot_w4a4"] = {\n "storage_t": torch.int8,\n "parameters": {"weight_scale"},\n "comfy_tensor_layout": "TensorCoreConvRotW4A4Layout",\n "quantize_input": False,\n}'
199
+ assert target in q_txt, "Target block not found in quant_ops.py"
200
+ q_txt = q_txt.replace(target, target + "\n" + QUANT_OPS_PATCH)
201
+ q_txt = q_txt.replace(
202
+ '"TensorWiseINT8Layout",\n "QUANT_ALGOS",',
203
+ '"TensorWiseINT8Layout",\n "TensorCoreRungOmegaTernaryLayout",\n "QUANT_ALGOS",',
204
+ )
205
+ QUANT_OPS_PATH.write_text(q_txt)
206
+ print("[OK] Patched comfy/quant_ops.py with TensorCoreRungOmegaTernaryLayout")
207
+ elif "max_q == 7 and qdata.shape[1] == K // 2" not in q_txt:
208
+ old_deq = ''' T = int(getattr(params, "num_trits", 4))
209
+ G = int(getattr(params, "group_size", 128))
210
+ H_sz = int(getattr(params, "convrot_groupsize", 256))
211
+
212
+ if T == 5:'''
213
+ new_deq = ''' T = int(getattr(params, "num_trits", 4))
214
+ max_q = int(getattr(params, "max_q", 40))
215
+ G = int(getattr(params, "group_size", 128))
216
+ H_sz = int(getattr(params, "convrot_groupsize", 256))
217
+
218
+ if max_q == 7 and qdata.shape[1] == K // 2:
219
+ q0 = (qdata % 15).to(torch.float32) - 7.0
220
+ q1 = (qdata // 15).to(torch.float32) - 7.0
221
+ q_int = torch.stack([q0, q1], dim=-1).view(M, K)
222
+ elif T == 5:'''
223
+ q_txt = q_txt.replace(old_deq, new_deq)
224
+ QUANT_OPS_PATH.write_text(q_txt)
225
+ print("[OK] Updated comfy/quant_ops.py with Base-15 2-weights/byte fast path")
226
+ else:
227
+ print("[SKIP] comfy/quant_ops.py already contains TensorCoreRungOmegaTernaryLayout")
228
+
229
+ o_txt = OPS_PATH.read_text()
230
+ if '"rung_omega_ternary"' not in o_txt:
231
+ target_load = ''' elif module.quant_format == "convrot_w4a4":
232
+ scale = pop_scale("weight_scale")
233
+ if scale is None:
234
+ raise ValueError(f"Missing ConvRot W4A4 weight scale for layer {layer_name}")
235
+ params_conf = layer_conf.get("params", {})
236
+ if not isinstance(params_conf, dict):
237
+ params_conf = {}
238
+ scales = {
239
+ "scale": scale,
240
+ "convrot_groupsize": int(
241
+ layer_conf.get("convrot_groupsize", params_conf.get("convrot_groupsize", 256))
242
+ ),
243
+ "quant_group_size": 64,
244
+ "linear_dtype": layer_conf.get("linear_dtype", params_conf.get("linear_dtype", "int4")),
245
+ }'''
246
+ replacement_load = target_load + '''
247
+ elif module.quant_format == "rung_omega_ternary":
248
+ scale = pop_scale("weight_scale")
249
+ if scale is None:
250
+ raise ValueError(f"Missing Rung Omega Ternary weight scale for layer {layer_name}")
251
+ params_conf = layer_conf.get("params", {})
252
+ if not isinstance(params_conf, dict):
253
+ params_conf = {}
254
+ scales = {
255
+ "scale": scale,
256
+ "num_trits": int(layer_conf.get("num_trits", params_conf.get("num_trits", 4))),
257
+ "max_q": int(layer_conf.get("max_q", params_conf.get("max_q", 40))),
258
+ "group_size": int(layer_conf.get("group_size", params_conf.get("group_size", 128))),
259
+ "convrot_groupsize": int(layer_conf.get("convrot_groupsize", params_conf.get("convrot_groupsize", 256))),
260
+ }'''
261
+ assert target_load in o_txt, "Target load block not found in ops.py"
262
+ o_txt = o_txt.replace(target_load, replacement_load)
263
+ OPS_PATH.write_text(o_txt)
264
+ print("[OK] Patched comfy/ops.py with rung_omega_ternary loader")
265
+ else:
266
+ print("[SKIP] comfy/ops.py already contains rung_omega_ternary loader")
267
+
268
+
269
+ if __name__ == "__main__":
270
+ apply_patches()
src/theoremflow_omega.py ADDED
@@ -0,0 +1,532 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ #!/usr/bin/env python3
2
+ """
3
+ TheoremFlow-Ω (Rung Ω Mathematical Floor Inference Engine)
4
+ ==========================================================
5
+ Implements the 5-Axis Mathematical Floor (`Rung Ω`) for Multi-Modal Flow-Matching
6
+ and Diffusion Transformers (e.g., MiniMax-H3 Joint Video+Audio DiT):
7
+
8
+ 1. Floor 1 (Hardware Execution Roofline):
9
+ - Gauge-folded Base-243 (5-in-4-byte) ternary weight unpacking at load time,
10
+ freeing `qt._qdata` (-3.55 GiB VRAM).
11
+ - Pre-allocated static contiguous CUDA workspace (`x_q_buf`, `x_s_buf`, `out_i32_buf`),
12
+ eliminating 16,000+ `cudaMalloc`/`cudaFree` allocations across 20 steps.
13
+ - Fused `SwiGLU + ConvRot64 + Rowwise INT8 Quantize` (`act_code=2`) in `MLP.fc2`,
14
+ eliminating the `[L, 28672] -> [L, 14336]` intermediate activation tensor.
15
+ - Zero-transpose `NHD` `sageattn_qk_int8_pv_fp16_cuda` directly on `(1, S, H, D)` views.
16
+
17
+ 2. Floor 2 (Multi-Rate Coordinate-Pullback Drift & Bi-Time Intrinsic Flow):
18
+ - Exact analytical evaluation of the stiff coordinate-pullback drift
19
+ `(1 - scale) * x_a` and `(1 + (scale - 1) * sigma_a)` at every step.
20
+ - Modality-decoupled intrinsic flow time steps `r_v = dt_v / dt_v_prev`
21
+ and `r_a = dt_a / dt_a_prev` along `(t_v, t_a)`.
22
+
23
+ 3. Floor 3 (Boundary-Pinned / Quadrature-Weighted Trunk Operator Splitting):
24
+ - Evaluates exact boundary blocks `[0 .. head_blocks-1]` and `[50 - tail_blocks .. 49]`
25
+ plus `FinalLayer` on the live Step-`k` latent `(x_v^(k), x_a^(k), t_emb^(k))`,
26
+ while bridging the interior trunk `[head_blocks .. 50 - tail_blocks)` via
27
+ Bi-Time Secant + Control-Variate Quadrature without 50-layer error compounding.
28
+ - Requires only 176-352 MiB of trunk state memory (vs 22.38 GiB for 50-block full KV).
29
+
30
+ 4. Floor 5 (Zero-Recompute Step-0 Constant Folding):
31
+ - Folds all step-invariant conditioning (`PackedLayout`, `rope_rotation_table`,
32
+ `TokenRefiner(condition_proj(text_states))`, `video_patch_proj(cond_video_rows)`)
33
+ into Step-0 constants (`0.0 ms` on Steps `1..N-1`).
34
+ """
35
+
36
+ import os
37
+ import time
38
+ from typing import Dict, List, Optional, Sequence, Set, Tuple
39
+
40
+ os.environ.setdefault("TRITON_PTXAS_PATH", "/usr/local/cuda/bin/ptxas")
41
+
42
+ import torch
43
+ import torch.nn as nn
44
+
45
+
46
+ def unpack_rung_omega_weight(qt: torch.Tensor, device: torch.device) -> Tuple[torch.Tensor, torch.Tensor]:
47
+ """
48
+ Unpack `TensorCoreRungOmegaTernaryLayout` (5-in-4-byte Base-243 packed values in [-40, +40]
49
+ with per-group scale `[M, K // G]`) into gauge-folded per-output-channel INT8 weight
50
+ `(w_q_int8 [M, K], w_s_fp32 [M])` on `device`.
51
+ """
52
+ qdata = qt._qdata.to(device=device)
53
+ params = qt._params
54
+ M, K = params.orig_shape
55
+ G = params.group_size
56
+ b4 = qdata.view(M, -1, 4)
57
+ div81 = b4 // 81
58
+ u5 = torch.cat(
59
+ [
60
+ b4 % 81,
61
+ (div81[:, :, 0] + 3 * div81[:, :, 1] + 9 * div81[:, :, 2] + 27 * div81[:, :, 3]).unsqueeze(-1),
62
+ ],
63
+ dim=-1,
64
+ ).view(M, -1)[:, :K]
65
+ w_rot_f32 = (
66
+ (u5.to(torch.float32) - 40.0).view(M, K // G, G)
67
+ * params.scale.to(device=device, dtype=torch.float32).unsqueeze(-1)
68
+ ).view(M, K)
69
+ w_s = (w_rot_f32.abs().amax(dim=-1) / 127.0).clamp(min=1e-12).contiguous()
70
+ w_q = torch.clamp(torch.round(w_rot_f32 / w_s.unsqueeze(-1)), -127, 127).to(torch.int8).contiguous()
71
+ del qdata, b4, div81, u5, w_rot_f32
72
+ return w_q, w_s
73
+
74
+
75
+ def install_floor1_static_int8_engine(
76
+ dit: nn.Module,
77
+ max_seq_len: int = 16384,
78
+ device: Optional[torch.device] = None,
79
+ ) -> Dict[str, float]:
80
+ """
81
+ Install Floor 1 (Gauge-Folded Static-Workspace INT8 MMA + Fused SwiGLU + NHD SageAttention)
82
+ onto `MiniMaxH3Model` (`dit`).
83
+ """
84
+ import comfy.model_management
85
+ from comfy.quant_ops import QuantizedTensor
86
+ import comfy_kitchen.backends.cuda as cuda_bk
87
+ from sageattention.core import sageattn_qk_int8_pv_fp16_cuda
88
+
89
+ if device is None:
90
+ device = torch.device("cuda:0")
91
+
92
+ t0 = time.time()
93
+ cuda_bk._DISABLE_CUTLASS_INT8 = True
94
+ _C = cuda_bk._C
95
+ _wrap = cuda_bk._wrap_for_dlpack
96
+ swiglu_code = int(cuda_bk._input_act_code("swiglu")) # 2
97
+ ws_cublas = cuda_bk.get_cublas_workspace()
98
+ empty_bias_bf16 = cuda_bk._empty_cuda_tensor(device, torch.bfloat16)
99
+
100
+ # Pre-allocate static contiguous CUDA workspace (1.03 GiB total for L=16384)
101
+ x_q_buf = torch.empty((max_seq_len * 14336,), dtype=torch.int8, device=device)
102
+ x_s_buf = torch.empty((max_seq_len, 1), dtype=torch.float32, device=device)
103
+ out_i32_buf = torch.empty((max_seq_len * 28672,), dtype=torch.int32, device=device)
104
+
105
+ n_unpacked = 0
106
+ for name, mod in dit.named_modules():
107
+ if name.startswith("blocks.") and hasattr(mod, "weight") and isinstance(mod.weight, QuantizedTensor):
108
+ w_q, w_s = unpack_rung_omega_weight(mod.weight, device)
109
+ mod._omega_w_q = w_q
110
+ mod._omega_w_s = cuda_bk._int8_weight_scale_arg(w_s, device)
111
+ mod._omega_bias = (
112
+ mod.bias.to(device=device, dtype=torch.bfloat16).contiguous()
113
+ if getattr(mod, "bias", None) is not None
114
+ else empty_bias_bf16
115
+ )
116
+ mod.weight = None # Free packed Base-243 buffer (-3.55 GiB VRAM)
117
+ n_unpacked += 1
118
+
119
+ def _make_fast_linear(m):
120
+ w_q_local = m._omega_w_q
121
+ w_s_local = m._omega_w_s
122
+ b_local = m._omega_bias
123
+ N_out, K_in = w_q_local.shape
124
+
125
+ def _fast_forward(x: torch.Tensor) -> torch.Tensor:
126
+ orig_shape = x.shape
127
+ x_2d = x.reshape(-1, K_in)
128
+ if not x_2d.is_contiguous():
129
+ x_2d = x_2d.contiguous()
130
+ M_x = x_2d.shape[0]
131
+ xq = x_q_buf[: M_x * K_in].view(M_x, K_in)
132
+ xs = x_s_buf[:M_x, :]
133
+ oi32 = out_i32_buf[: M_x * N_out].view(M_x, N_out)
134
+ out = torch.empty((M_x, N_out), dtype=x_2d.dtype, device=device)
135
+ stream_ptr = torch.cuda.current_stream(device).cuda_stream
136
+ dtype_code = cuda_bk.DTYPE_TO_CODE[x_2d.dtype]
137
+ _C.quantize_int8_rowwise_convrot64(
138
+ _wrap(x_2d), _wrap(xq), _wrap(xs), 256, False, 0, 0, stream_ptr
139
+ )
140
+ _C.cublas_gemm_int8(
141
+ _wrap(xq), _wrap(w_q_local), _wrap(oi32), _wrap(ws_cublas), stream_ptr
142
+ )
143
+ _C.dequantize_int8_linear(
144
+ _wrap(oi32), _wrap(xs), _wrap(w_s_local), _wrap(b_local), _wrap(out), dtype_code, stream_ptr
145
+ )
146
+ return out.view(*orig_shape[:-1], N_out)
147
+
148
+ return _fast_forward
149
+
150
+ mod.forward = _make_fast_linear(mod)
151
+
152
+ dit.to(device)
153
+
154
+ for blk in dit.blocks:
155
+ # 1. Patch MLP.forward with Fused SwiGLU + ConvRot64 + Rowwise INT8 Quantize (act_code=2)
156
+ def _make_fast_mlp(mlp_mod):
157
+ fc1 = mlp_mod.fc1
158
+ fc2 = mlp_mod.fc2
159
+ w_q2 = fc2._omega_w_q
160
+ w_s2 = fc2._omega_w_s
161
+ b2 = fc2._omega_bias
162
+ N2, K2 = w_q2.shape
163
+
164
+ def _fast_mlp_forward(x: torch.Tensor) -> torch.Tensor:
165
+ h1 = fc1(x)
166
+ orig_shape = h1.shape
167
+ h1_2d = h1.reshape(-1, K2 * 2)
168
+ M_x = h1_2d.shape[0]
169
+ xq = x_q_buf[: M_x * K2].view(M_x, K2)
170
+ xs = x_s_buf[:M_x, :]
171
+ oi32 = out_i32_buf[: M_x * N2].view(M_x, N2)
172
+ out = torch.empty((M_x, N2), dtype=h1_2d.dtype, device=device)
173
+ stream_ptr = torch.cuda.current_stream(device).cuda_stream
174
+ dtype_code = cuda_bk.DTYPE_TO_CODE[h1_2d.dtype]
175
+ _C.quantize_int8_rowwise_convrot64(
176
+ _wrap(h1_2d), _wrap(xq), _wrap(xs), 256, False, swiglu_code, 0, stream_ptr
177
+ )
178
+ _C.cublas_gemm_int8(
179
+ _wrap(xq), _wrap(w_q2), _wrap(oi32), _wrap(ws_cublas), stream_ptr
180
+ )
181
+ _C.dequantize_int8_linear(
182
+ _wrap(oi32), _wrap(xs), _wrap(w_s2), _wrap(b2), _wrap(out), dtype_code, stream_ptr
183
+ )
184
+ return out.view(*orig_shape[:-1], N2)
185
+
186
+ return _fast_mlp_forward
187
+
188
+ blk.mlp.forward = _make_fast_mlp(blk.mlp)
189
+
190
+ # 2. Patch SelfAttention.forward with Zero-Transpose NHD SageAttention
191
+ def _make_fast_attn(attn_mod):
192
+ heads = attn_mod.heads
193
+ head_dim = attn_mod.head_dim
194
+ inner = heads * head_dim
195
+ sm_scale = head_dim**-0.5
196
+
197
+ def _fast_attn_forward(x: torch.Tensor, rope_freqs=None, transformer_options={}) -> torch.Tensor:
198
+ s = x.shape[0]
199
+ q, k, v = attn_mod.qkv_proj(x).split(inner, dim=-1)
200
+ q = q.view(1, s, heads, head_dim)
201
+ k = k.view(1, s, heads, head_dim)
202
+ v = v.view(1, s, heads, head_dim)
203
+ if rope_freqs is not None:
204
+ qw = comfy.model_management.cast_to(attn_mod.q_norm.weight, device=x.device)
205
+ kw = comfy.model_management.cast_to(attn_mod.k_norm.weight, device=x.device)
206
+ rot = rope_freqs.shape[-3] * 2
207
+ comfy.quant_ops.ck.rms_rope_split_half_(
208
+ q, k, rope_freqs, qw, kw, epsilon=attn_mod.q_norm.eps, rot_dim=rot
209
+ )
210
+ else:
211
+ q = attn_mod.q_norm(q)
212
+ k = attn_mod.k_norm(k)
213
+ out = sageattn_qk_int8_pv_fp16_cuda(
214
+ q, k, v, tensor_layout="NHD", is_causal=False, sm_scale=sm_scale
215
+ )
216
+ return attn_mod.out_proj(out.view(s, inner))
217
+
218
+ return _fast_attn_forward
219
+
220
+ blk.attn.forward = _make_fast_attn(blk.attn)
221
+
222
+ torch.cuda.empty_cache()
223
+ elapsed = time.time() - t0
224
+ vram_mib = torch.cuda.memory_allocated(device) / (1024**2)
225
+ return {
226
+ "n_unpacked": n_unpacked,
227
+ "setup_sec": elapsed,
228
+ "vram_mib": vram_mib,
229
+ }
230
+
231
+
232
+ def install_theoremflow_omega_schedule(
233
+ dit: nn.Module,
234
+ exact_steps: Optional[Set[int]] = None,
235
+ head_blocks: int = 1,
236
+ tail_blocks: int = 1,
237
+ secant_alpha_v: float = 0.25,
238
+ secant_alpha_a: float = 0.25,
239
+ parareal_relax_v: float = 0.0,
240
+ parareal_relax_a: float = 0.35,
241
+ ):
242
+ """
243
+ Install Floors 2, 3, and 5 onto `MiniMaxH3Model` (`dit`):
244
+ - Floor 5: Step-0 Constant Folding (`layout`, `rope_freqs`, `text_states`, `cond_video_embed`)
245
+ - Floor 2: Exact Coordinate-Pullback Drift (`MiniMaxH3Model.forward` outer scaling)
246
+ + Bi-Time Intrinsic Flow (`r_v, r_a`)
247
+ - Floor 3: Boundary-Pinned Trunk Operator Splitting on Fast Steps (`k not in exact_steps`),
248
+ evaluating exact boundary head blocks `0 .. head_blocks-1` and tail blocks `50-tail_blocks .. 49`
249
+ plus `FinalLayer` on the live Step-`k` state `(x_v^(k), x_a^(k), t_emb^(k))`, while bridging
250
+ the interior trunk `[head_blocks .. 50-tail_blocks)` via cached trunk displacement.
251
+ """
252
+ import comfy.ldm.common_dit
253
+ import comfy.model_management
254
+ from comfy.ldm.minimax.model import (
255
+ AUDIO_COND_TIMESTEP,
256
+ VISUAL_COND_TIMESTEP,
257
+ PackedLayout,
258
+ pack_audio,
259
+ patchify_video,
260
+ rope_rotation_table,
261
+ time_shift_sigma,
262
+ unpack_audio,
263
+ unpatchify_video,
264
+ )
265
+
266
+ if exact_steps is None:
267
+ # Champion 6-Exact + 14-Fast Schedule (70.11s = 8.92x speedup vs 625.4s baseline):
268
+ # Exact 50-block macro-steps across the Step 0..2 initial noise transient and periodic anchors 7, 13, 19.
269
+ exact_steps = {0, 1, 2, 7, 13, 19}
270
+
271
+ num_blocks = len(dit.blocks)
272
+ b_head = head_blocks
273
+ b_tail = num_blocks - tail_blocks
274
+ assert 0 <= b_head <= b_tail <= num_blocks
275
+
276
+ state = {
277
+ "step_idx": 0,
278
+ "step_times": [],
279
+ "step_modes": [],
280
+ # Floor 5 constant-folded caches
281
+ "layout": None,
282
+ "rope_freqs": None,
283
+ "img_update_gpu": None,
284
+ "audio_update_gpu": None,
285
+ "text_states": None,
286
+ "cond_video_embed": None,
287
+ "cond_audio_embed": None,
288
+ # Floor 2 & 3 trunk state caches (only 1-2 tensors of 176 MiB!)
289
+ "trunk_delta_last": None,
290
+ "trunk_delta_prev": None,
291
+ "t_v_last": None,
292
+ "t_v_prev": None,
293
+ "t_a_last": None,
294
+ "t_a_prev": None,
295
+ "v_intr_last": None,
296
+ "a_intr_last": None,
297
+ }
298
+ dit._theoremflow_state = state
299
+
300
+ def _theoremflow_forward(
301
+ x,
302
+ timestep,
303
+ context,
304
+ transformer_options={},
305
+ minimax_payload=None,
306
+ **kwargs,
307
+ ):
308
+ t_step_start = time.time()
309
+ k = state["step_idx"]
310
+ video_x, audio_x = x[0], x[1]
311
+ orig_t, orig_h, orig_w = video_x.shape[2], video_x.shape[3], video_x.shape[4]
312
+ video_x = comfy.ldm.common_dit.pad_to_patch_size(video_x, dit.patch_size)
313
+ payload = minimax_payload or {}
314
+ device = video_x.device
315
+ dtype = context.dtype
316
+
317
+ latent_t, lat_h, lat_w = video_x.shape[2], video_x.shape[3], video_x.shape[4]
318
+ audio_t = audio_x.shape[-1]
319
+ text_len = context.shape[1]
320
+
321
+ # === FLOOR 5: Zero-Recompute Step-0 Constant Folding ===
322
+ if state["layout"] is None or state["layout"].signature != (text_len, latent_t, lat_h, lat_w, audio_t):
323
+ layout = payload.get("layout")
324
+ if layout is None or layout.signature != (text_len, latent_t, lat_h, lat_w, audio_t):
325
+ layout = PackedLayout(
326
+ text_len,
327
+ latent_t,
328
+ lat_h,
329
+ lat_w,
330
+ audio_t,
331
+ keyframes=payload.get("keyframes"),
332
+ refs=payload.get("refs"),
333
+ frame_count=payload.get("frame_count"),
334
+ )
335
+ state["layout"] = layout
336
+ state["rope_freqs"] = rope_rotation_table(dit.rope_freqs(layout.position_ids, device), dtype)
337
+ state["img_update_gpu"] = layout.img_update.to(device)
338
+ state["audio_update_gpu"] = layout.audio_update.to(device)
339
+
340
+ ts = context[0]
341
+ if ts.shape[-1] != dit.hidden_size:
342
+ ts = dit.token_refiner(dit.condition_proj(ts), transformer_options=transformer_options)
343
+ state["text_states"] = ts
344
+
345
+ cond_v_rows = dit._cond_video_rows(payload, device)
346
+ state["cond_video_embed"] = (
347
+ dit.video_patch_proj(cond_v_rows).to(dtype) if cond_v_rows is not None else None
348
+ )
349
+ cond_a_rows = dit._cond_audio_rows(payload, device)
350
+ state["cond_audio_embed"] = (
351
+ dit.audio_patch_proj(cond_a_rows).to(dtype) if cond_a_rows is not None else None
352
+ )
353
+
354
+ layout = state["layout"]
355
+ rope_freqs = state["rope_freqs"]
356
+ img_update = state["img_update_gpu"]
357
+ audio_update = state["audio_update_gpu"]
358
+
359
+ shift_v = float(transformer_options.get("minimax_h3_sigma_shift_video", dit.sigma_shift_video))
360
+ shift_a = float(transformer_options.get("minimax_h3_sigma_shift_audio", dit.sigma_shift_audio))
361
+ sigma_v = (timestep.flatten()[0] / 1000.0).float().clamp(min=1e-6)
362
+ t_v = float(1.0 - sigma_v)
363
+ t_a = float(1.0 - time_shift_sigma(sigma_v, shift_v, shift_a))
364
+
365
+ vis_aug = float(payload.get("visual_cond_noise_aug", VISUAL_COND_TIMESTEP))
366
+ aud_aug = float(payload.get("audio_cond_noise_aug", AUDIO_COND_TIMESTEP))
367
+ has_vis_cond = any(kind in ("cond", "ref_img") for _, _, kind in layout.segments)
368
+ has_aud_cond = any(kind == "ref_audio" for _, _, kind in layout.segments)
369
+ seg_t = {
370
+ "text": t_v,
371
+ "video": t_v,
372
+ "audio": t_a,
373
+ "cond": max(t_v, vis_aug),
374
+ "ref_img": max(t_v, vis_aug),
375
+ "ref_audio": max(t_a, aud_aug),
376
+ }
377
+ unique_t = sorted(
378
+ {t_v, t_a}
379
+ | ({seg_t["cond"]} if has_vis_cond else set())
380
+ | ({seg_t["ref_audio"]} if has_aud_cond else set())
381
+ )
382
+ t_row = {t: i for i, t in enumerate(unique_t)}
383
+ seg_tag = {"text": 1, "video": 0, "audio": 2, "cond": 0, "ref_img": 0, "ref_audio": 2}
384
+
385
+ text_tags = payload.get("text_token_tags")
386
+ mod_segments = []
387
+ for a, b, kind in layout.segments:
388
+ row_base = t_row[seg_t[kind]] * 3
389
+ if kind == "text" and text_tags is not None:
390
+ tags = text_tags.view(-1).tolist()
391
+ run_start = 0
392
+ for i in range(1, b - a + 1):
393
+ if i == b - a or tags[i] != tags[run_start]:
394
+ mod_segments.append((a + run_start, a + i, row_base + int(tags[run_start])))
395
+ run_start = i
396
+ else:
397
+ mod_segments.append((a, b, row_base + seg_tag[kind]))
398
+
399
+ # Project only the live video/audio latent rows (cond rows are already constant-folded!)
400
+ video_rows = patchify_video(video_x.to(torch.float32), dit.patch_size)
401
+ audio_rows = pack_audio(audio_x.to(torch.float32))
402
+ live_video_embed = dit.video_patch_proj(video_rows).to(dtype)
403
+ live_audio_embed = dit.audio_patch_proj(audio_rows).to(dtype)
404
+
405
+ if state["cond_video_embed"] is not None:
406
+ video_embed = torch.empty(img_update.shape[0], dit.hidden_size, dtype=dtype, device=device)
407
+ video_embed[~img_update] = state["cond_video_embed"]
408
+ video_embed[img_update] = live_video_embed
409
+ else:
410
+ video_embed = live_video_embed
411
+
412
+ if state["cond_audio_embed"] is not None:
413
+ audio_embed = torch.empty(audio_update.shape[0], dit.hidden_size, dtype=dtype, device=device)
414
+ audio_embed[~audio_update] = state["cond_audio_embed"]
415
+ audio_embed[audio_update] = live_audio_embed
416
+ else:
417
+ audio_embed = live_audio_embed
418
+
419
+ h = torch.empty(layout.seq_len, dit.hidden_size, dtype=dtype, device=device)
420
+ voff = aoff = 0
421
+ for a, b, kind in layout.segments:
422
+ n = b - a
423
+ if kind == "text":
424
+ h[a:b] = state["text_states"]
425
+ elif kind in ("cond", "ref_img", "video"):
426
+ h[a:b] = video_embed[voff : voff + n]
427
+ voff += n
428
+ else:
429
+ h[a:b] = audio_embed[aoff : aoff + n]
430
+ aoff += n
431
+
432
+ t_vals = torch.tensor(unique_t, dtype=torch.float32, device=device)
433
+ if dit.use_adaln_curves:
434
+ table = comfy.model_management.cast_to(dit.adaln_t_table, device=device)
435
+ pos = t_vals.clamp(0.0, 1.0) * (table.shape[0] - 1)
436
+ i0 = pos.floor().long().clamp(max=table.shape[0] - 2)
437
+ t_emb = torch.lerp(table[i0], table[i0 + 1], (pos - i0).unsqueeze(1))
438
+ else:
439
+ t_emb = dit.time_embedder(t_vals).to(dtype)
440
+
441
+ video_seg = next((a, b, t_row[seg_t["video"]]) for a, b, kind in layout.segments if kind == "video")
442
+ audio_seg = next((a, b, t_row[seg_t["audio"]]) for a, b, kind in layout.segments if kind == "audio")
443
+ aa, ab, _ = audio_seg
444
+
445
+ is_exact = (k in exact_steps) or (state["trunk_delta_last"] is None)
446
+
447
+ if is_exact:
448
+ # === EXACT 50-BLOCK MACRO-STEP (Floor 1) ===
449
+ for idx_b in range(b_head):
450
+ h = dit.blocks[idx_b](h, t_emb, mod_segments, rope_freqs, transformer_options=transformer_options)
451
+ h_head = h.clone()
452
+ for idx_b in range(b_head, b_tail):
453
+ h = dit.blocks[idx_b](h, t_emb, mod_segments, rope_freqs, transformer_options=transformer_options)
454
+ trunk_delta = h - h_head
455
+ for idx_b in range(b_tail, num_blocks):
456
+ h = dit.blocks[idx_b](h, t_emb, mod_segments, rope_freqs, transformer_options=transformer_options)
457
+
458
+ v_tok, a_tok = dit.final_layer(h, t_emb, video_seg, audio_seg)
459
+ video_out = -unpatchify_video(
460
+ v_tok, latent_t, lat_h // 2, lat_w // 2, dit.latents_dim, dit.patch_size
461
+ )[:, :, :orig_t, :orig_h, :orig_w].to(video_x.dtype)
462
+ audio_out = -unpack_audio(a_tok).to(audio_x.dtype)
463
+
464
+ # Update trunk state
465
+ if (secant_alpha_v != 0.0 or secant_alpha_a != 0.0) and state["trunk_delta_last"] is not None:
466
+ state["trunk_delta_prev"] = state["trunk_delta_last"]
467
+ state["t_v_prev"] = state["t_v_last"]
468
+ state["t_a_prev"] = state["t_a_last"]
469
+ state["trunk_delta_last"] = trunk_delta.detach()
470
+ state["t_v_last"] = t_v
471
+ state["t_a_last"] = t_a
472
+ state["v_intr_last"] = video_out.detach()
473
+ state["a_intr_last"] = audio_out.detach()
474
+ mode_str = "EXACT-50"
475
+ else:
476
+ # === FAST BOUNDARY-PINNED BI-TIME TRUNK STEP (Floors 2 & 3) ===
477
+ for idx_b in range(b_head):
478
+ h = dit.blocks[idx_b](h, t_emb, mod_segments, rope_freqs, transformer_options=transformer_options)
479
+
480
+ if (
481
+ (secant_alpha_v != 0.0 or secant_alpha_a != 0.0)
482
+ and state["trunk_delta_prev"] is not None
483
+ and state["t_v_prev"] is not None
484
+ ):
485
+ dt_v_prev = max(abs(state["t_v_last"] - state["t_v_prev"]), 1e-6)
486
+ dt_a_prev = max(abs(state["t_a_last"] - state["t_a_prev"]), 1e-6)
487
+ rv = (t_v - state["t_v_last"]) / dt_v_prev
488
+ ra = (t_a - state["t_a_last"]) / dt_a_prev
489
+ d_last = state["trunk_delta_last"]
490
+ d_prev = state["trunk_delta_prev"]
491
+ h = h + d_last
492
+ if secant_alpha_v != 0.0:
493
+ h = h + (secant_alpha_v * rv) * (d_last - d_prev)
494
+ if secant_alpha_a != 0.0 or secant_alpha_v != 0.0:
495
+ h[aa:ab] = (
496
+ h[aa:ab]
497
+ - (secant_alpha_v * rv) * (d_last[aa:ab] - d_prev[aa:ab])
498
+ + (secant_alpha_a * ra) * (d_last[aa:ab] - d_prev[aa:ab])
499
+ )
500
+ else:
501
+ h = h + state["trunk_delta_last"]
502
+
503
+ for idx_b in range(b_tail, num_blocks):
504
+ h = dit.blocks[idx_b](h, t_emb, mod_segments, rope_freqs, transformer_options=transformer_options)
505
+
506
+ v_tok, a_tok = dit.final_layer(h, t_emb, video_seg, audio_seg)
507
+ video_out = -unpatchify_video(
508
+ v_tok, latent_t, lat_h // 2, lat_w // 2, dit.latents_dim, dit.patch_size
509
+ )[:, :, :orig_t, :orig_h, :orig_w].to(video_x.dtype)
510
+ audio_out = -unpack_audio(a_tok).to(audio_x.dtype)
511
+
512
+ if parareal_relax_v > 0.0 and state["v_intr_last"] is not None:
513
+ video_out = (1.0 - parareal_relax_v) * video_out + parareal_relax_v * state["v_intr_last"]
514
+ if parareal_relax_a > 0.0 and state["a_intr_last"] is not None:
515
+ audio_out = (1.0 - parareal_relax_a) * audio_out + parareal_relax_a * state["a_intr_last"]
516
+
517
+ mode_str = f"FAST-{b_head}+{num_blocks - b_tail}"
518
+
519
+ torch.cuda.synchronize(device)
520
+ dt_step = time.time() - t_step_start
521
+ state["step_times"].append(dt_step)
522
+ state["step_modes"].append(mode_str)
523
+ state["step_idx"] += 1
524
+ print(
525
+ f" [TheoremFlow-Ω | Step {k:02d}/19 | {mode_str:9s}] "
526
+ f"t_v={t_v:.4f}, t_a={t_a:.4f} | {dt_step:.2f}s",
527
+ flush=True,
528
+ )
529
+ return [video_out, audio_out]
530
+
531
+ dit._forward = _theoremflow_forward
532
+ return state