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[shardformer] fix pipeline forward error if custom layer distribution is used (#5189)

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* Use self.[distribute_layers|get_stage_index] to exploit custom layer distribution

* Change static methods for t5 layer distribution to member functions

* Change static methods for whisper layer distribution to member functions

* Replace whisper policy usage with self one

* Fix test case to use non-static layer distribution methods

* fix: fix typo

---------

Co-authored-by: Wenhao Chen <cwher@outlook.com>
This commit is contained in:
Insu Jang
2024-03-27 01:57:00 -04:00
committed by GitHub
parent e6707a6e8d
commit 00525f7772
18 changed files with 136 additions and 106 deletions
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4
colossalai/shardformer/policies/chatglm2.py
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@@ -204,8 +204,8 @@ class ChatGLMPolicy(Policy):
else:
module = self.model.transformer
layers_per_stage = Policy.distribute_layers(module.num_layers, stage_manager.num_stages)
stage_index = Policy.get_stage_index(layers_per_stage, stage_manager.stage)
layers_per_stage = self.distribute_layers(module.num_layers, stage_manager.num_stages)
stage_index = self.get_stage_index(layers_per_stage, stage_manager.stage)
method_replacement = {
"forward": partial(
new_forward, stage_manager=stage_manager, stage_index=stage_index, shard_config=self.shard_config