---
id: pr-sglang-20457
repo: sgl-project/sglang
pr: 20457
title: '[HiCache][HybridModel]: Support mamba state offloading & HybridCacheController'
author: hzh0425
date: '2026-03-24'
url: https://github.com/sgl-project/sglang/pull/20457
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 0986bed8e279ce67659e4e473300fc3c5c717d6a
inclusion_reason: include
changed_paths:
- benchmark/hicache/bench_multiturn.py
- python/sglang/srt/disaggregation/decode.py
- python/sglang/srt/managers/schedule_batch.py
- python/sglang/srt/managers/schedule_policy.py
- python/sglang/srt/managers/scheduler.py
- python/sglang/srt/mem_cache/base_prefix_cache.py
- python/sglang/srt/mem_cache/hi_mamba_radix_cache.py
- python/sglang/srt/mem_cache/hicache_storage.py
- python/sglang/srt/mem_cache/hybrid_cache/hybrid_cache_controller.py
- python/sglang/srt/mem_cache/mamba_radix_cache.py
- python/sglang/srt/mem_cache/memory_pool.py
- python/sglang/srt/mem_cache/memory_pool_host.py
- test/registered/4-gpu-models/test_qwen35_models.py
artifact_dir: evidence/pull-bundles/sglang/gh-20457
head_ref_oid: 98e2e276f23e5fed7fb4fadfae415e7f96a8878b
---
# [HiCache][HybridModel]: Support mamba state offloading & HybridCacheController

- Repository: `sgl-project/sglang`
- PR: [20457](https://github.com/sgl-project/sglang/pull/20457)
- Decision: `include`
- Reason: include

## Changed Paths

- `benchmark/hicache/bench_multiturn.py`
- `python/sglang/srt/disaggregation/decode.py`
- `python/sglang/srt/managers/schedule_batch.py`
- `python/sglang/srt/managers/schedule_policy.py`
- `python/sglang/srt/managers/scheduler.py`
- `python/sglang/srt/mem_cache/base_prefix_cache.py`
- `python/sglang/srt/mem_cache/hi_mamba_radix_cache.py`
- `python/sglang/srt/mem_cache/hicache_storage.py`
- `python/sglang/srt/mem_cache/hybrid_cache/hybrid_cache_controller.py`
- `python/sglang/srt/mem_cache/mamba_radix_cache.py`
- `python/sglang/srt/mem_cache/memory_pool.py`
- `python/sglang/srt/mem_cache/memory_pool_host.py`
- `test/registered/4-gpu-models/test_qwen35_models.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-20457`
