---
id: pr-sglang-3730
repo: sgl-project/sglang
pr: 3730
title: Feature DeepSeek V3/R1 INT8 Quantization (block-wise)
author: laixinn
date: '2025-02-24'
url: https://github.com/sgl-project/sglang/pull/3730
source_category: upstream-code
architectures:
- sm100
tags:
- kernel-fusion
- moe
- quantization
techniques:
- kernel-fusion
hardware_features: []
kernel_types:
- moe
- quantization
languages:
- python
- triton
captured_at: '2026-04-27'
status: merged
merge_sha: 1a6e97577acb017fa9c25daf8a533969e941aa09
inclusion_reason: kernel file changes
changed_paths:
- python/sglang/srt/layers/linear.py
- python/sglang/srt/layers/moe/fused_moe_triton/fused_moe.py
- python/sglang/srt/layers/quantization/__init__.py
- python/sglang/srt/layers/quantization/blockwise_int8.py
- python/sglang/srt/layers/quantization/int8_kernel.py
- python/sglang/srt/layers/quantization/int8_utils.py
- python/sglang/srt/models/deepseek_v2.py
- test/srt/run_suite.py
- test/srt/test_block_int8.py
head_ref_oid: bb90e043eae2fa9b23ba60598b36ade87fd1f96a
artifact_dir: evidence/pull-bundles/sglang/gh-3730
---
# Feature DeepSeek V3/R1 INT8 Quantization (block-wise)

- Repository: `sgl-project/sglang`
- PR: [3730](https://github.com/sgl-project/sglang/pull/3730)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `python/sglang/srt/layers/linear.py`
- `python/sglang/srt/layers/moe/fused_moe_triton/fused_moe.py`
- `python/sglang/srt/layers/quantization/__init__.py`
- `python/sglang/srt/layers/quantization/blockwise_int8.py`
- `python/sglang/srt/layers/quantization/int8_kernel.py`
- `python/sglang/srt/layers/quantization/int8_utils.py`
- `python/sglang/srt/models/deepseek_v2.py`
- `test/srt/run_suite.py`
- `test/srt/test_block_int8.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-3730`
