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[misc] refactor launch API and tensor constructor (#5666)

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* [misc] remove config arg from initialize

* [misc] remove old tensor contrusctor

* [plugin] add npu support for ddp

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* [test] fix test launch

* [doc] update launch doc

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This commit is contained in:
Hongxin Liu
2024-04-29 10:40:11 +08:00
committed by GitHub
parent 91fa553775
commit 7f8b16635b
223 changed files with 294 additions and 403 deletions
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10
docs/source/en/features/mixed_precision_training_with_booster.md
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@@ -20,10 +20,10 @@ In Colossal-AI, we have incorporated different implementations of mixed precisio
3. naive amp
| Colossal-AI | support tensor parallel | support pipeline parallel | fp16 extent |
| -------------- | ----------------------- | ------------------------- | ---------------------------------------------------------------------------------------------------- |
| AMP_TYPE.TORCH | ✅ | ❌ | Model parameters, activation, gradients are downcast to fp16 during forward and backward propagation |
| AMP_TYPE.APEX | ❌ | ❌ | More fine-grained, we can choose opt_level O0, O1, O2, O3 |
| AMP_TYPE.NAIVE | ✅ | ✅ | Model parameters, forward and backward operations are all downcast to fp16 |
|----------------|-------------------------|---------------------------|------------------------------------------------------------------------------------------------------|
| AMP_TYPE.TORCH | ✅ | ❌ | Model parameters, activation, gradients are downcast to fp16 during forward and backward propagation |
| AMP_TYPE.APEX | ❌ | ❌ | More fine-grained, we can choose opt_level O0, O1, O2, O3 |
| AMP_TYPE.NAIVE | ✅ | ✅ | Model parameters, forward and backward operations are all downcast to fp16 |
The first two rely on the original implementation of PyTorch (version 1.6 and above) and NVIDIA Apex.
The last method is similar to Apex O2 level.
@@ -164,7 +164,7 @@ parser = colossalai.get_default_parser()
args = parser.parse_args()
# launch from torch
colossalai.launch_from_torch(config=dict())
colossalai.launch_from_torch()
```