---
id: pr-flashinfer-1214
repo: flashinfer-ai/flashinfer
pr: 1214
title: Feature/sm100 low latency nvfp4 kernels
author: azhurkevich
date: '2025-07-16'
url: https://github.com/flashinfer-ai/flashinfer/pull/1214
source_category: upstream-code
architectures:
- sm100
tags:
- fp4
- gemm
- kernel-fusion
- moe
- nvfp4
- quantization
techniques:
- kernel-fusion
hardware_features:
- fp4
- nvfp4
kernel_types:
- gemm
- moe
- quantization
languages:
- cuda-cpp
captured_at: '2026-04-17'
status: merged
merge_sha: 96801b2cf3233339b5ca3cb057034001908a7b2d
inclusion_reason: kernel file changes
changed_paths:
- csrc/fused_moe/cutlass_backend/cutlass_fused_moe_kernels.cuh
- csrc/nv_internal/cpp/kernels/quantization.cu
- csrc/nv_internal/tensorrt_llm/kernels/quantization.cuh
- csrc/nv_internal/tensorrt_llm/kernels/quantization.h
- csrc/nv_internal/tensorrt_llm/thop/fp4Quantize.cpp
- csrc/nv_internal/tensorrt_llm/thop/fp4Quantize.h
- csrc/trtllm_batched_gemm_runner.cu
- csrc/trtllm_fused_moe_kernel_launcher.cu
- csrc/trtllm_fused_moe_routing_kernel.cu
- csrc/trtllm_fused_moe_runner.cu
- flashinfer/__init__.py
- flashinfer/fp4_quantization.py
- flashinfer/fused_moe.py
- include/flashinfer/trtllm/batched_gemm/KernelRunner.h
- include/flashinfer/trtllm/batched_gemm/trtllmGen_bmm_export/KernelMetaInfo.h
- include/flashinfer/trtllm/fused_moe/DevKernel.h
- include/flashinfer/trtllm/fused_moe/IntFastDiv.h
- include/flashinfer/trtllm/fused_moe/RoutingKernel.cuh
- include/flashinfer/trtllm/fused_moe/RoutingKernel.h
- include/flashinfer/trtllm/fused_moe/RoutingKernelTopK.cuh
- include/flashinfer/trtllm/fused_moe/runner.h
- tests/test_fp4_quantize.py
- tests/test_trtllm_cutlass_fused_moe.py
- tests/test_trtllm_gen_fused_moe.py
- tests/test_trtllm_gen_fused_moe_fp4.py
head_ref_oid: f7f85c010961ec9713a3a62d4de2b72a0b20ee63
artifact_dir: evidence/pull-bundles/flashinfer/gh-1214
---
# Feature/sm100 low latency nvfp4 kernels

- Repository: `flashinfer-ai/flashinfer`
- PR: [1214](https://github.com/flashinfer-ai/flashinfer/pull/1214)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `csrc/fused_moe/cutlass_backend/cutlass_fused_moe_kernels.cuh`
- `csrc/nv_internal/cpp/kernels/quantization.cu`
- `csrc/nv_internal/tensorrt_llm/kernels/quantization.cuh`
- `csrc/nv_internal/tensorrt_llm/kernels/quantization.h`
- `csrc/nv_internal/tensorrt_llm/thop/fp4Quantize.cpp`
- `csrc/nv_internal/tensorrt_llm/thop/fp4Quantize.h`
- `csrc/trtllm_batched_gemm_runner.cu`
- `csrc/trtllm_fused_moe_kernel_launcher.cu`
- `csrc/trtllm_fused_moe_routing_kernel.cu`
- `csrc/trtllm_fused_moe_runner.cu`
- `flashinfer/__init__.py`
- `flashinfer/fp4_quantization.py`
- `flashinfer/fused_moe.py`
- `include/flashinfer/trtllm/batched_gemm/KernelRunner.h`
- `include/flashinfer/trtllm/batched_gemm/trtllmGen_bmm_export/KernelMetaInfo.h`
- `include/flashinfer/trtllm/fused_moe/DevKernel.h`
- `include/flashinfer/trtllm/fused_moe/IntFastDiv.h`
- `include/flashinfer/trtllm/fused_moe/RoutingKernel.cuh`
- `include/flashinfer/trtllm/fused_moe/RoutingKernel.h`
- `include/flashinfer/trtllm/fused_moe/RoutingKernelTopK.cuh`
- `include/flashinfer/trtllm/fused_moe/runner.h`
- `tests/test_fp4_quantize.py`
- `tests/test_trtllm_cutlass_fused_moe.py`
- `tests/test_trtllm_gen_fused_moe.py`
- `tests/test_trtllm_gen_fused_moe_fp4.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-1214`
