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[gemini] collect cpu-gpu moving volume in each iteration (#813)

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This commit is contained in:
Jiarui Fang
2022-04-20 11:29:48 +08:00
committed by GitHub
parent 61c20b44bc
commit 3ddbd1bce1
3 changed files with 44 additions and 9 deletions
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4
colossalai/zero/utils/zero_hook.py
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@@ -2,6 +2,7 @@ from typing import Optional
import torch
import torch.distributed as dist
from colossalai.logging import get_dist_logger
from colossalai.registry import OPHOOKS
from colossalai.utils import get_current_device
@@ -27,6 +28,7 @@ class ZeroHook(BaseOpHook):
stateful_tensor_mgr: Optional[StatefulTensorMgr] = None,
process_group: Optional[dist.ProcessGroup] = None):
super().__init__()
self.logger = get_dist_logger("ZeROHook")
self.shard_strategy = shard_strategy
self.process_group = process_group
@@ -112,4 +114,6 @@ class ZeroHook(BaseOpHook):
def post_iter(self):
if self._stateful_tensor_mgr:
self.logger.info(
f"CPU-GPU data moving this iteration {self._stateful_tensor_mgr.cpu_gpu_move_volume/1e9} GB", ranks=[0])
self._stateful_tensor_mgr.reset()