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[bug] workaround for idx fix

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hxwang
2024-05-28 02:33:12 +00:00
parent e0dde8fda5
commit 936dd96dbb
2 changed files with 7 additions and 8 deletions
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14
colossalai/zero/gemini/placement_policy.py
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@@ -145,6 +145,8 @@ class AutoPlacementPolicy(PlacementPolicy):
self._warmup_non_model_data_ratio = warmup_non_model_data_ratio
self._steady_cuda_cap_ratio = steady_cuda_cap_ratio
self.__avail_cuda_model_data_for_prefetch = None
def evict_tensors(
self,
can_evict_chunks: List[Chunk],
@@ -204,6 +206,7 @@ class AutoPlacementPolicy(PlacementPolicy):
f"Adjust layout failed! No enough CUDA memory! "
f"Need {to_free_cuda_model_data}, freed {freed_cuda_model_data}"
)
self.__avail_cuda_model_data_for_prefetch = avail_cuda_model_data - freed_cuda_model_data
return freed_cuda_model_data, time() - start
@staticmethod
@@ -234,14 +237,9 @@ class AutoPlacementPolicy(PlacementPolicy):
) -> List[Chunk]:
if is_warmup: # no prefetch during warmup since we need compute_list
return []
# modified from self.evict_tensors
cuda_capacity = self._steady_cuda_cap_ratio * colo_device_memory_capacity(
get_accelerator().get_current_device()
)
max_cuda_non_model_data_per_period = self.mem_stats_collector.next_period_non_model_data_usage("cuda")
used_cuda_model_data = self.chunk_manager.total_mem["cuda"]
total_cuda_model_data = cuda_capacity - max_cuda_non_model_data_per_period
avail_cuda_model_data = total_cuda_model_data - used_cuda_model_data
avail_cuda_model_data = self.__avail_cuda_model_data_for_prefetch
self.__avail_cuda_model_data_for_prefetch = None # incase of double use
prefetch_chunk_memory = 0
can_prefetch = self.max_prefetch - len(async_works)