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litaotju merged 1 commit into from
Aug 14, 2025
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[None][doc] update moe support matrix for DS R1 #6883

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14 changes: 13 additions & 1 deletion docs/source/deployment-guide/quick-start-recipe-for-deepseek-r1-on-trtllm.md
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Expand Up @@ -20,7 +20,19 @@ The guide is intended for developers and practitioners seeking high-throughput o
* NVFP4 model: [DeepSeek-R1-0528-FP4](https://huggingface.co/nvidia/DeepSeek-R1-0528-FP4)


Note that NVFP4 is only supported on NVIDIA Blackwell platform.
## MoE Backend Support Matrix

There are multiple MOE backends inside TRT-LLM, not all of them supporting every precision on every GPUs. Here are the support matrix of the MOE backends.

| device | Checkpoint | Supported moe_backend |
|----------|----------|----------|
| H100/H200 | FP8 | CUTLASS |
| B200/GB200 EP<=8 | NVFP4 | CUTLASS, TRTLLM |
| B200/GB200 EP<=8 | FP8 | DEEPGEMM |
| GB200 NVL72 EP>8 | NVFP4 | WIDEEP |
| GB200 NVL72 EP>8 | FP8 | N/A (WIP) |

The default moe backend is `CUTLASS`, so for the combination which is not supported by `CUTLASS`, one must set the `moe_config.backend` explicitly to run the model.

## Deployment Steps

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