---
id: pr-sglang-17838
repo: sgl-project/sglang
pr: 17838
title: Feature/support longcat flash lite
author: sjqgogogogo
date: '2026-03-09'
url: https://github.com/sgl-project/sglang/pull/17838
source_category: upstream-code
architectures:
- sm100
tags:
- gemm
techniques: []
hardware_features: []
kernel_types: []
languages:
- cuda-cpp
- python
captured_at: '2026-04-27'
status: merged
merge_sha: eb4ba1bde2548c7bf22767677f811c9451b24fbb
inclusion_reason: kernel file changes
changed_paths:
- python/sglang/jit_kernel/csrc/ngram_embedding.cuh
- python/sglang/jit_kernel/ngram_embedding.py
- python/sglang/srt/configs/longcat_flash.py
- python/sglang/srt/configs/model_config.py
- python/sglang/srt/layers/n_gram_embedding.py
- python/sglang/srt/managers/schedule_batch.py
- python/sglang/srt/managers/scheduler.py
- python/sglang/srt/model_executor/cuda_graph_runner.py
- python/sglang/srt/model_executor/forward_batch_info.py
- python/sglang/srt/model_executor/input_buffers.py
- python/sglang/srt/model_executor/model_runner.py
- python/sglang/srt/models/longcat_flash.py
- python/sglang/srt/speculative/eagle_draft_cuda_graph_runner.py
- python/sglang/srt/speculative/eagle_draft_extend_cuda_graph_runner.py
- python/sglang/srt/speculative/multi_layer_eagle_draft_extend_cuda_graph_runner.py
- python/sglang/srt/utils/hf_transformers_utils.py
head_ref_oid: 3553543d60102b3460ce1d92625dfd7379c0de3b
artifact_dir: evidence/pull-bundles/sglang/gh-17838
---
# Feature/support longcat flash lite

- Repository: `sgl-project/sglang`
- PR: [17838](https://github.com/sgl-project/sglang/pull/17838)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `python/sglang/jit_kernel/csrc/ngram_embedding.cuh`
- `python/sglang/jit_kernel/ngram_embedding.py`
- `python/sglang/srt/configs/longcat_flash.py`
- `python/sglang/srt/configs/model_config.py`
- `python/sglang/srt/layers/n_gram_embedding.py`
- `python/sglang/srt/managers/schedule_batch.py`
- `python/sglang/srt/managers/scheduler.py`
- `python/sglang/srt/model_executor/cuda_graph_runner.py`
- `python/sglang/srt/model_executor/forward_batch_info.py`
- `python/sglang/srt/model_executor/input_buffers.py`
- `python/sglang/srt/model_executor/model_runner.py`
- `python/sglang/srt/models/longcat_flash.py`
- `python/sglang/srt/speculative/eagle_draft_cuda_graph_runner.py`
- `python/sglang/srt/speculative/eagle_draft_extend_cuda_graph_runner.py`
- `python/sglang/srt/speculative/multi_layer_eagle_draft_extend_cuda_graph_runner.py`
- `python/sglang/srt/utils/hf_transformers_utils.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-17838`
