[Recompute] Support ernie for dygraph recompute. #2849
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ZHUI
commented
Aug 4, 2022
| @@ -351,6 +351,7 @@ def main(): | |||
| model_config[ | |||
| "attention_probs_dropout_prob"] = model_args.attention_probs_dropout_prob | |||
| model = model_class(base_class(**model_config)) | |||
| # model_config["enable_recompute"] = args.use_recompute | |||
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需要改造 trainer 中 DP 的 fused_allreduce_gradients 方式。
这块后续需要分布式优化一下体验。
ZHUI
commented
Aug 4, 2022
| else: | ||
| loss.backward() | ||
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|
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| fused_allreduce_gradients(list(model.parameters()), None) |
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这里 recompute 基于 PyLayer，所以要手动 fused_allreduce_gradients
guoshengCS
reviewed
Aug 8, 2022
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Description
Support ernie for dygraph recompute.