deepspeedai / deepspeedai/DeepSpeed
Is pipeline-parallel in conflict with ZeRO-stage2?
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Description
I can't train gpt with 3D-parallel and ZeRO-stage2 at the same time.
It seems peline-parallel in conflict with ZeRO-stage2. I use the pipeline example here: https://github.com/microsoft/DeepSpeedExamples/tree/master/Megatron-LM-v1.1.5-3D_parallelism.
looking forward to your reply
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First steps
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Research direction
Start with the linked Megatron-LM-v1.1.5-3D_parallelism pipeline example and reproduce the reported combination of 3D parallelism and ZeRO-stage2. Capture the failure details, determine whether the configuration is supported, and document or resolve the compatibility result.
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Assessment
- Tech stack
- python
- Domain
- distributed-systems, machine-learning
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100