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{
"id": "come",
"name": "CoMe: Compress LLMs through Layer Concatenation and Shedding with Learnable",
"file": "Codes/framework/compression_engine/come.py",
"type": "Compression Engine",
"category": "Low-Rank SVD & Factorization",
"paradigm": "svd",
"icon": "\u26a1",
"description": "CoMe: Compress LLMs through Layer Concatenation and Shedding with Learnable Inter-Layer Interpolation Adapters. Registered in COMPRESSOR_REGISTRY as 'come' and 'come_compressor'. Mathematical Formulation: 1. Layer Shedding & Uniform Strided Selection: $$\\mathcal{I}_{\\text{keep}} = \\{i_0, i_1, \\dots, i_{K-1}\\}, \\quad i_k = \\left\\lfloor k \\cdot \\frac{L-1}{K-1} \\right\\rceil$$ 2. Learnable Linear",
"classes": [
"CoMeBridge",
"CoMeBridgedLayer",
"CoMeLoRALinear",
"CoMeCompressor"
],
"methods_count": 19,
"math_latex": "M_{\\text{compressed}} = X W_{\\text{bridge}}, \\quad W_{\\text{bridge}} = U_r \\Sigma_r V_r^\\top",
"components": [
{
"id": "v_factor",
"name": "Factor V (Low-Rank Subspace Projection)",
"role": "Projection to Rank r",
"shape_transform": "[r \u00d7 d_in]",
"color": "#3acbb8",
"math_latex": "z_t = x_t V_r^\\top, \\quad V_r \\in \\mathbb{R}^{r \\times d_{in}}"
},
{
"id": "u_factor",
"name": "Factor U (Full-Rank Expansion Projection)",
"role": "Expansion to Output Space",
"shape_transform": "[d_out \u00d7 r]",
"color": "#2dd4bf",
"math_latex": "y_t = z_t (\\Sigma_r U_r^\\top) + b, \\quad U_r \\in \\mathbb{R}^{d_{out} \\times r}"
},
{
"id": "adapter",
"name": "Residual LoRA / Norm Calibration",
"role": "Fidelity Compensation",
"shape_transform": "[d_out \u00d7 d_in] Residual",
"color": "#5eead4",
"math_latex": "\\Delta y_t = x_t (B A)^\\top \\cdot \\frac{\\alpha}{r}, \\quad A \\in \\mathbb{R}^{r \\times d_{in}}, \\; B \\in \\mathbb{R}^{d_{out} \\times r}"
}
],
"model_projections": {
"distilbert": {
"hidden_size": 768,
"intermediate_size": 3072,
"baseline_layer_params": 6488064,
"compressed_layer_params": 786432,
"savings_ratio": 8.25
},
"roberta": {
"hidden_size": 768,
"intermediate_size": 3072,
"baseline_layer_params": 6488064,
"compressed_layer_params": 786432,
"savings_ratio": 8.25
},
"gpt2": {
"hidden_size": 768,
"intermediate_size": 3072,
"baseline_layer_params": 6488064,
"compressed_layer_params": 786432,
"savings_ratio": 8.25
},
"qwen": {
"hidden_size": 896,
"intermediate_size": 4864,
"baseline_layer_params": 11124736,
"compressed_layer_params": 1081344,
"savings_ratio": 10.29
}
}
}

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