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fix MambaPool clear method after refactoring #13449

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Merged
ispobock merged 2 commits into from
Nov 18, 2025
Merged

fix MambaPool clear method after refactoring #13449

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3ddba0f
fix MambaPool clear method after refactoring
zminglei Nov 17, 2025
6455cd4
Merge branch 'main' into fix-clear
byjiang1996 Nov 17, 2025
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7 changes: 2 additions & 5 deletions python/sglang/srt/mem_cache/memory_pool.py
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Original file line number Diff line number Diff line change
Expand Up @@ -273,11 +273,8 @@ def free(self, free_index: torch.Tensor):
def clear(self):
# Zero the entire mamba cache before resetting free_slots
# This ensures that when slots are reallocated, they start with clean state
if self.is_kda_cache:
for i in range(len(self.mamba_cache.conv)):
self.mamba_cache.conv[i].zero_()
else:
self.mamba_cache.conv.zero_()
for i in range(len(self.mamba_cache.conv)):
self.mamba_cache.conv[i].zero_()
self.mamba_cache.temporal.zero_()

self.free_slots = torch.arange(self.size, dtype=torch.int64, device=self.device)
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