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Fix a ref count bug in swapping

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This commit is contained in:
Woosuk Kwon 2023-02-14 09:20:12 +00:00
parent c128c2ed03
commit 2729087efe
1 changed files with 2 additions and 0 deletions
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2
cacheflow/master/block_manager.py
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@ -166,6 +166,7 @@ class BlockSpaceManager:
for cpu_block in block_table:
if cpu_block in mapping:
gpu_block = mapping[cpu_block]
gpu_block.ref_count += 1
else:
gpu_block = self.gpu_allocator.allocate()
mapping[cpu_block] = gpu_block
@ -196,6 +197,7 @@ class BlockSpaceManager:
for gpu_block in block_table:
if gpu_block in mapping:
cpu_block = mapping[gpu_block]
cpu_block.ref_count += 1
else:
cpu_block = self.cpu_allocator.allocate()
mapping[gpu_block] = cpu_block