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[HiCache] fix: Clone host indices to avoid memory leak (#21624)

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Co-authored-by: Zhiqiang Xie <xiezhq@stanford.edu>
This commit is contained in:
shuwenn
2026-04-01 17:42:07 -07:00
committed by GitHub
co-authored by Zhiqiang Xie
parent d7256eb69a
commit 9cb362f70e
2 changed files with 3 additions and 3 deletions
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python/sglang/srt/mem_cache/hi_mamba_radix_cache.py
+2 -2
View File
@@ -296,7 +296,7 @@ class HiMambaRadixCache(MambaRadixCache):
extra_pools=extra_pools,
)
if host_indices is not None:
node.host_value = host_indices
node.host_value = host_indices.clone()
if extra_pools is not None:
self.mamba_backup_commit(node, extra_pools)
assert len(node.host_value) > 0
@@ -2044,7 +2044,7 @@ class HiMambaRadixCache(MambaRadixCache):
return
host_indices = transfers[0].host_indices
if node.mamba_host_value is None and host_indices is not None:
node.mamba_host_value = host_indices
node.mamba_host_value = host_indices.clone()
self.mamba_host_lru_list.insert_mru(node)
def mamba_archive_transfers(self, node: TreeNode) -> Optional[list[PoolTransfer]]:
python/sglang/srt/mem_cache/hiradix_cache.py
+1 -1
View File
@@ -619,7 +619,7 @@ class HiRadixCache(RadixCache):
node_id=node.id,
)
if host_indices is not None:
node.host_value = host_indices
node.host_value = host_indices.clone()
assert len(node.host_value) > 0
self.ongoing_write_through[node.id] = node
if not write_back: