---
id: pr-vllm-12417
repo: vllm-project/vllm
pr: 12417
title: '[Bugfix] Disable w16a16 2of4 sparse CompressedTensors24'
author: tlrmchlsmth
date: '2025-01-26'
url: https://github.com/vllm-project/vllm/pull/12417
source_category: upstream-code
architectures:
- sm100
tags:
- quantization
techniques: []
hardware_features: []
kernel_types:
- quantization
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: aa2cd2c43d1d19ece0f3b36ad716c3a9b8a2def0
inclusion_reason: kernel file changes
changed_paths:
- tests/kernels/test_cutlass.py
- tests/kernels/test_cutlass_2of4_sparse.py
- tests/kernels/test_semi_structured.py
- tests/kernels/utils.py
- tests/quantization/test_compressed_tensors.py
- vllm/model_executor/layers/quantization/compressed_tensors/compressed_tensors.py
head_ref_oid: a6c450ea98ae63f3471756205ca4ccc4af24f9df
artifact_dir: evidence/pull-bundles/vllm/gh-12417
---
# [Bugfix] Disable w16a16 2of4 sparse CompressedTensors24

- Repository: `vllm-project/vllm`
- PR: [12417](https://github.com/vllm-project/vllm/pull/12417)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `tests/kernels/test_cutlass.py`
- `tests/kernels/test_cutlass_2of4_sparse.py`
- `tests/kernels/test_semi_structured.py`
- `tests/kernels/utils.py`
- `tests/quantization/test_compressed_tensors.py`
- `vllm/model_executor/layers/quantization/compressed_tensors/compressed_tensors.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-12417`
