---
id: pr-flashinfer-2838
repo: flashinfer-ai/flashinfer
pr: 2838
title: 'feat: Add CuTe-DSL backend for NVFP4 quantization'
author: bkryu
date: '2026-03-26'
url: https://github.com/flashinfer-ai/flashinfer/pull/2838
source_category: upstream-code
architectures:
- sm100
tags:
- fp4
- nvfp4
- quantization
techniques: []
hardware_features:
- fp4
- nvfp4
kernel_types:
- quantization
languages:
- cute-dsl
captured_at: '2026-04-27'
status: merged
merge_sha: d426b1831e921c1226d059d19d09d433b4fece96
inclusion_reason: kernel file changes
changed_paths:
- benchmarks/routines/flashinfer_benchmark_utils.py
- benchmarks/routines/quantization.py
- flashinfer/cute_dsl/fp4_common.py
- flashinfer/quantization/__init__.py
- flashinfer/quantization/fp4_quantization.py
- flashinfer/quantization/kernels/__init__.py
- flashinfer/quantization/kernels/mxfp4_quantize.py
- flashinfer/quantization/kernels/nvfp4_quantize.py
- flashinfer/quantization/quantization_cute_dsl_utils.py
- tests/utils/test_fp4_quantize.py
head_ref_oid: 1beefaef0b3f0b9cdcb262062c9e38e9388585c3
artifact_dir: evidence/pull-bundles/flashinfer/gh-2838
---
# feat: Add CuTe-DSL backend for NVFP4 quantization

- Repository: `flashinfer-ai/flashinfer`
- PR: [2838](https://github.com/flashinfer-ai/flashinfer/pull/2838)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `benchmarks/routines/flashinfer_benchmark_utils.py`
- `benchmarks/routines/quantization.py`
- `flashinfer/cute_dsl/fp4_common.py`
- `flashinfer/quantization/__init__.py`
- `flashinfer/quantization/fp4_quantization.py`
- `flashinfer/quantization/kernels/__init__.py`
- `flashinfer/quantization/kernels/mxfp4_quantize.py`
- `flashinfer/quantization/kernels/nvfp4_quantize.py`
- `flashinfer/quantization/quantization_cute_dsl_utils.py`
- `tests/utils/test_fp4_quantize.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-2838`
