Make bytes_read available for OperatorCost (#62059)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/62059
GetOperatorCost in Workspace exposes flops and bytes_written only. Make the an additional piece, bytes_read, available from OperatorSchema::Cost.
Test Plan:
Added the two additional pieces in the unit test testGetOperatorCost in workspace_test
buck test caffe2/caffe2/python:workspace_test -- testGetOperatorCost
buck test //aml/ml_foundation/exp_platform/large_scale_training/distributed_hogwild/auto_device_placement/tests/...
buck test //aiplatform/training/autotuning/tests/...
buck test //aiplatform/training/pipelining/tests/...
buck test //deeplearning/fblsim/tests/...
Flow tests:
ADP Greedy: f288078287
ADP MILP: f288079278
Reviewed By: CrazySherman, xtaofb
Differential Revision: D29860676
fbshipit-source-id: 8b3a9f2bf17c0dae48cfe2800e8821bf441e0b03
