---
id: pr-vllm-17914
repo: vllm-project/vllm
pr: 17914
title: '[Misc] Add compressed-tensors NVFP4A16 emulation support'
author: dsikka
date: '2025-05-11'
url: https://github.com/vllm-project/vllm/pull/17914
source_category: upstream-code
architectures:
- sm100
tags:
- fp4
- nvfp4
- quantization
techniques: []
hardware_features:
- fp4
- nvfp4
kernel_types:
- quantization
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: cd3edfc9082993d003a446d50624097bcf316365
inclusion_reason: kernel file changes
changed_paths:
- tests/quantization/test_compressed_tensors.py
- vllm/model_executor/layers/quantization/compressed_tensors/compressed_tensors.py
- vllm/model_executor/layers/quantization/compressed_tensors/schemes/__init__.py
- vllm/model_executor/layers/quantization/compressed_tensors/schemes/compressed_tensors_w4a16_nvfp4.py
- vllm/model_executor/layers/quantization/utils/nvfp4_emulation_utils.py
head_ref_oid: 54eafd15123ebbef3b3505b5d6d731b4bab6ee93
artifact_dir: evidence/pull-bundles/vllm/gh-17914
---
# [Misc] Add compressed-tensors NVFP4A16 emulation support

- Repository: `vllm-project/vllm`
- PR: [17914](https://github.com/vllm-project/vllm/pull/17914)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `tests/quantization/test_compressed_tensors.py`
- `vllm/model_executor/layers/quantization/compressed_tensors/compressed_tensors.py`
- `vllm/model_executor/layers/quantization/compressed_tensors/schemes/__init__.py`
- `vllm/model_executor/layers/quantization/compressed_tensors/schemes/compressed_tensors_w4a16_nvfp4.py`
- `vllm/model_executor/layers/quantization/utils/nvfp4_emulation_utils.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-17914`
