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metadata
pipeline_tag: image-text-to-text
license: other
license_name: minimax-community
license_link: LICENSE
library_name: transformers
tags:
  - multimodal
  - moe
  - agent
  - coding
  - video

Model Overview

  • Model Architecture: MiniMaxM3SparseForConditionalGeneration
    • Input: Text, Image
    • Output: Text
  • Supported Hardware Microarchitecture: AMD MI350/MI355
  • ROCm: 7.1.1
  • PyTorch: 2.10.0
  • Transformers: 5.2.0
  • Operating System(s): Linux
  • Inference Engine: vLLM
  • Model Optimizer: AMD-Quark
    • Weight quantization: OCP MXFP4, Static; self_attn Perchannel, FP8E4M3, Static
    • Activation quantization: OCP MXFP4, Dynamic; self_attn Pertoken, FP8E4M3, Dynamic

Model Quantization

The model was quantized from MiniMaxAI/MiniMax-M3 using AMD-Quark. The weights are quantized to MXFP4 and activations are quantized to MXFP4, and self_attn layers are quantized to PTPC-FP8.

Quantization scripts:

from quark.torch import LLMTemplate, ModelQuantizer

# --- Register template ---
minimax_m3_vl_template = LLMTemplate(
    model_type="minimax_m3_vl",
    kv_layers_name=["*language_model.*k_proj", "*language_model.*v_proj"],
    q_layer_name="*language_model.*q_proj",
    exclude_layers_name=[
        "*lm_head",
        "*vision_tower*",
        "*multi_modal_projector*",
        "*patch_merge_mlp*",
        "*block_sparse_moe.gate",
        "*self_attn.index_*",
    ],
)
LLMTemplate.register_template(minimax_m3_vl_template)
print(f"[INFO]: Registered template '{minimax_m3_vl_template.model_type}'")

# --- Configuration ---
model_dir = "MiniMaxAI/MiniMax-M3"
output_dir = "amd/MiniMax-M3-MXFP4-AttnFP8"
quant_scheme = "mxfp4"
# Per-layer override: self_attn (q/k/v/o_proj) -> ptpc_fp8 instead of mxfp4.
# Equivalent to:  --layer_quant_scheme '*self_attn*' ptpc_fp8
layer_config = {
    "*self_attn*": "ptpc_fp8",
}
exclude_layers = [
    "*lm_head",
    "*vision_tower*",
    "*multi_modal_projector*",
    "*patch_merge_mlp*",
    "*block_sparse_moe.gate",
    "*self_attn.index_*",
]

# --- Build quant config from template ---
template = LLMTemplate.get("minimax_m3_vl")
quant_config = template.get_config(
    scheme=quant_scheme,
    layer_config=layer_config,
    exclude_layers=exclude_layers,
)

# --- File-to-file quantization (memory-efficient, no full model loading) ---
quantizer = ModelQuantizer(quant_config)
quantizer.direct_quantize_checkpoint(
    pretrained_model_path=model_dir,
    save_path=output_dir,
)
print(f"[INFO]: Quantization complete. Output saved to {output_dir}")