---
id: pr-vllm-14245
repo: vllm-project/vllm
pr: 14245
title: dynamic distpatch of fp8 kernels
author: jeffdaily
date: '2025-03-11'
url: https://github.com/vllm-project/vllm/pull/14245
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- fp8
- gemm
- kernel-fusion
- mla
- moe
- quantization
techniques:
- kernel-fusion
hardware_features:
- fp8
kernel_types:
- attention
- gemm
- mla
- moe
- quantization
languages:
- cuda-cpp
- triton
captured_at: '2026-04-27'
status: merged
merge_sha: a1c8f3796c89f11c48b3e70e66feafd080273fa5
inclusion_reason: kernel file changes
changed_paths:
- benchmarks/kernels/benchmark_moe.py
- csrc/dispatch_utils.h
- csrc/layernorm_quant_kernels.cu
- csrc/quantization/fp8/amd/quant_utils.cuh
- csrc/quantization/fp8/common.cu
- csrc/quantization/fp8/common.cuh
- csrc/quantization/fused_kernels/fused_layernorm_dynamic_per_token_quant.cu
- csrc/quantization/fused_kernels/quant_conversions.cuh
- csrc/quantization/vectorization.cuh
- tests/kernels/quant_utils.py
- tests/kernels/test_triton_scaled_mm.py
- tests/quantization/test_fp8.py
- vllm/_custom_ops.py
- vllm/attention/backends/mla/common.py
- vllm/model_executor/layers/quantization/compressed_tensors/compressed_tensors_moe.py
- vllm/model_executor/layers/quantization/compressed_tensors/schemes/compressed_tensors_w8a8_fp8.py
- vllm/model_executor/layers/quantization/fbgemm_fp8.py
- vllm/model_executor/layers/quantization/fp8.py
- vllm/model_executor/layers/quantization/quark/quark_moe.py
- vllm/model_executor/layers/quantization/quark/schemes/quark_w8a8_fp8.py
- vllm/model_executor/layers/quantization/utils/fp8_utils.py
- vllm/platforms/cuda.py
- vllm/platforms/interface.py
- vllm/platforms/rocm.py
- vllm/v1/attention/backends/mla/common.py
head_ref_oid: ed8ec2a56b01a03bbeb6f15a587765a005088930
artifact_dir: evidence/pull-bundles/vllm/gh-14245
---
# dynamic distpatch of fp8 kernels

- Repository: `vllm-project/vllm`
- PR: [14245](https://github.com/vllm-project/vllm/pull/14245)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `benchmarks/kernels/benchmark_moe.py`
- `csrc/dispatch_utils.h`
- `csrc/layernorm_quant_kernels.cu`
- `csrc/quantization/fp8/amd/quant_utils.cuh`
- `csrc/quantization/fp8/common.cu`
- `csrc/quantization/fp8/common.cuh`
- `csrc/quantization/fused_kernels/fused_layernorm_dynamic_per_token_quant.cu`
- `csrc/quantization/fused_kernels/quant_conversions.cuh`
- `csrc/quantization/vectorization.cuh`
- `tests/kernels/quant_utils.py`
- `tests/kernels/test_triton_scaled_mm.py`
- `tests/quantization/test_fp8.py`
- `vllm/_custom_ops.py`
- `vllm/attention/backends/mla/common.py`
- `vllm/model_executor/layers/quantization/compressed_tensors/compressed_tensors_moe.py`
- `vllm/model_executor/layers/quantization/compressed_tensors/schemes/compressed_tensors_w8a8_fp8.py`
- `vllm/model_executor/layers/quantization/fbgemm_fp8.py`
- `vllm/model_executor/layers/quantization/fp8.py`
- `vllm/model_executor/layers/quantization/quark/quark_moe.py`
- `vllm/model_executor/layers/quantization/quark/schemes/quark_w8a8_fp8.py`
- `vllm/model_executor/layers/quantization/utils/fp8_utils.py`
- `vllm/platforms/cuda.py`
- `vllm/platforms/interface.py`
- `vllm/platforms/rocm.py`
- `vllm/v1/attention/backends/mla/common.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-14245`
