---
id: pr-vllm-33201
repo: vllm-project/vllm
pr: 33201
title: Refactor NVFP4 Linear utils for ModelOpt and CT
author: mgoin
date: '2026-01-31'
url: https://github.com/vllm-project/vllm/pull/33201
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 67ebaff528be7faef14fa4eb86cfd8c4b5714e38
inclusion_reason: defer
changed_paths:
- tests/kernels/moe/modular_kernel_tools/mk_objects.py
- tests/quantization/test_compressed_tensors.py
- vllm/model_executor/layers/quantization/compressed_tensors/compressed_tensors.py
- vllm/model_executor/layers/quantization/compressed_tensors/schemes/compressed_tensors_w4a16_mxfp4.py
- vllm/model_executor/layers/quantization/compressed_tensors/schemes/compressed_tensors_w4a16_nvfp4.py
- vllm/model_executor/layers/quantization/compressed_tensors/schemes/compressed_tensors_w4a4_nvfp4.py
- vllm/model_executor/layers/quantization/modelopt.py
- vllm/model_executor/layers/quantization/utils/flashinfer_fp4_moe.py
- vllm/model_executor/layers/quantization/utils/marlin_utils_fp4.py
- vllm/model_executor/layers/quantization/utils/nvfp4_moe_support.py
- vllm/model_executor/layers/quantization/utils/nvfp4_utils.py
- vllm/model_executor/layers/quantization/utils/quant_utils.py
artifact_dir: evidence/pull-bundles/vllm/gh-33201
head_ref_oid: 97718896882954e81badcd4f84b39d4dc3cbcdf5
---
# Refactor NVFP4 Linear utils for ModelOpt and CT

- Repository: `vllm-project/vllm`
- PR: [33201](https://github.com/vllm-project/vllm/pull/33201)
- Decision: `defer`
- Reason: defer

## Changed Paths

- `tests/kernels/moe/modular_kernel_tools/mk_objects.py`
- `tests/quantization/test_compressed_tensors.py`
- `vllm/model_executor/layers/quantization/compressed_tensors/compressed_tensors.py`
- `vllm/model_executor/layers/quantization/compressed_tensors/schemes/compressed_tensors_w4a16_mxfp4.py`
- `vllm/model_executor/layers/quantization/compressed_tensors/schemes/compressed_tensors_w4a16_nvfp4.py`
- `vllm/model_executor/layers/quantization/compressed_tensors/schemes/compressed_tensors_w4a4_nvfp4.py`
- `vllm/model_executor/layers/quantization/modelopt.py`
- `vllm/model_executor/layers/quantization/utils/flashinfer_fp4_moe.py`
- `vllm/model_executor/layers/quantization/utils/marlin_utils_fp4.py`
- `vllm/model_executor/layers/quantization/utils/nvfp4_moe_support.py`
- `vllm/model_executor/layers/quantization/utils/nvfp4_utils.py`
- `vllm/model_executor/layers/quantization/utils/quant_utils.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-33201`
