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[bug fix] fix sharding stage1 allgather overlap bug, which needs to forbiden pin memory #8594

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merged 4 commits into from
Jun 13, 2024
Merged

[bug fix] fix sharding stage1 allgather overlap bug, which needs to forbiden pin memory #8594

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28590c5
forbiden pin memory
iosmers Jun 13, 2024
45f6314
update
iosmers Jun 13, 2024
cbcfde6
update
iosmers Jun 13, 2024
09449fc
update
iosmers Jun 13, 2024
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10 changes: 10 additions & 0 deletions llm/run_pretrain.py
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Original file line number Diff line number Diff line change
Expand Up @@ -498,6 +498,16 @@ def main():
config.seq_length % config.context_parallel_degree == 0
), f"seq_length:{config.seq_length} must be divisible by context_parallel_degree {config.context_parallel_degree}"

if training_args.sharding_parallel_config is not None:
# for stage1 overlap optimization
if (
"enable_stage1_allgather_overlap" in training_args.sharding_parallel_config
or "enable_stage1_broadcast_overlap" in training_args.sharding_parallel_config
):
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from paddle.io.reader import use_pinned_memory

import 也改到这里吧

from paddle.io.reader import use_pinned_memory

use_pinned_memory(False)

if get_env_device() == "xpu" and training_args.gradient_accumulation_steps > 1:
try:
from paddle_xpu.layers.nn.linear import LinearConfig # noqa: F401
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