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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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8
colossalai/shardformer/policies/gpt2.py
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@@ -188,7 +188,7 @@ class GPT2Policy(Policy):
layers_per_stage = self.distribute_layers(
len(module.h), stage_manager.num_stages * stage_manager.num_model_chunks
)
stage_indices = Policy.get_stage_index(
stage_indices = self.get_stage_index(
layers_per_stage,
stage_manager.stage,
num_model_chunks=stage_manager.num_model_chunks,
@@ -229,7 +229,7 @@ class GPT2Policy(Policy):
layers_per_stage = self.distribute_layers(
len(module.h), stage_manager.num_stages * stage_manager.num_model_chunks
)
stage_manager.stage_indices = Policy.get_stage_index(
stage_manager.stage_indices = self.get_stage_index(
layers_per_stage,
stage_manager.stage,
num_model_chunks=stage_manager.num_model_chunks,
@@ -243,8 +243,8 @@ class GPT2Policy(Policy):
)
}
else:
layers_per_stage = Policy.distribute_layers(len(module.h), stage_manager.num_stages)
stage_index = Policy.get_stage_index(layers_per_stage, stage_manager.stage)
layers_per_stage = self.distribute_layers(len(module.h), stage_manager.num_stages)
stage_index = self.get_stage_index(layers_per_stage, stage_manager.stage)
method_replacement = {
"forward": partial(
new_forward,