Disable torch.nn.init when counting parmeters in initializing PipelineModule #5258
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Disable any function call into torch.nn.init when counting the number of parameters in initializing PipelineModule.
This change can greatly save the launching time of pipeline parallelism, by speeding up the process of parameter partitioning. I have tested it with Llama2 70B, reducing the partitioning time from 8 minutes to less than 1 second.