CE-flicker-eco is an internal, temporary name

Block-diffusion chat with FP8 model weights and learned EccoMoE expert allocation. Completed blocks stream left to right. The current assistant introduces itself as Flicker-Eco; its API model ID is CE-flicker.

Three serving profiles

All use normal BF16 KV, block size 4, confidence threshold 0.95, and up to four denoising steps.

Profile Model-weight precision Expert routing Tested hardware
Stock BF16 BF16 Native top-8 H200
Stock FP8 Blocked FP8 Native top-8 H200 and L40S
EccoMoE FP8 t6 Blocked FP8 Learned expert-count allocator, budget 6 L40S 路 default selected serving profile

Budget 6 is a compute target; actual expert counts vary by token and layer. The expert allocator is separate from the denoising confidence threshold.

Measured speed, energy and quality

  • FP8 stock on H200: 26.5% higher measured peak throughput and 21.6% less GPU energy per output token than BF16 stock.
  • EccoMoE t6 on L40S: 9.17% higher throughput and 10.53% less GPU J/token at eight concurrent requests, with an observed 4.67-point MBPP accuracy cost.

H200: stock BF16 versus stock FP8

Same SDAR checkpoint and lmdeploy backend; 1,024 input + forced 1,024 output tokens, no chat/system prompt. Both peaks occur at concurrency 512 and are three-run medians.

Profile Peak total output tok/s Concurrency GPU J/output token
Stock BF16 6,257 512 0.11027
Stock FP8 7,916 512 0.08640

L40S: stock FP8 versus EccoMoE FP8 t6

Same physical GPU and approved prompt. Throughput/energy use forced 256-token outputs; MBPP is a separate paired, natural-stop quality test.

Profile 1-user output tok/s Total output tok/s 路 8 requests GPU J/token 路 8 requests Prompted MBPP
Stock FP8 67.55 268.72 0.9859 74.71% 路 192/257
EccoMoE FP8 t6 77.82 293.37 0.8821 70.04% 路 180/257

L40S speed, GPU energy and paired MBPP tradeoff

Stock speed/energy pool six repeats; t6 has three. Stock single-user speed drifted 5.1% between phases. MBPP uses one deterministic run per profile: 25 tasks pass only with stock, 13 only with t6; neither run timed out or truncated. The tests preceded the identity-only rename to Flicker-Eco. Prompted quality comparison covers MBPP; current-prompt full MATH/IFEval comparisons remain outside this measured pair.

The default selected serving profile is EccoMoE t6, with this observed tradeoff. These are distinct hardware/workloads; GPU energy excludes CPU and wall-socket power. Full methods, load levels and metric records.

Setup and artifacts

The public checkpoint stores BF16 backbone weights. FP8 in these tables is validated model-weight serving precision via lmdeploy runtime conversion; the KV cache remains BF16.

The package includes the 49 backbone shards, the separate trained allocator, routing source, native-kernel compatibility probe, authenticated OpenAI-compatible streaming gateway and approved prompt. Current served configuration: lmdeploy 0.18.0, FP8 weights / BF16 KV, EccoMoE t6, 8,192 total-context tokens and maximum engine batch 8.

Reproduce the selected profile or either stock profile 路 Allocator integrity check 路 Source provenance and licenses 路 Package checksums.

Provenance

The frozen backbone is SDAR-30B-A3B-Chat, pinned to f5add2a159163a2a8f07e9da7dfcbfaadc73d6d4, under Apache 2.0. Upstream authors retain credit for base-model training and the SDAR algorithm; Conscious Engines supplies the trained allocator and serving/routing adaptation. The original backbone files are preserved.

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