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Distinguish compile time from run time (#1865)
Summary: This PR teases out the compile time and run time to track two numbers, where previously, the metrics measured e2e compile+runtime. SGD with foreach, momentum, CUDA on pt2 today takes ~2.36s on average. I anticipate the runtime to be close to that after this change still, whereas the compile time will be a separate much larger value. Current results: <img width="1369" alt="image" src="https://github.com/pytorch/benchmark/assets/31798555/16d366da-3361-4540-a2a2-bc22f51965e6"> The metrics dictionary used to have entries like: ``` { "name": "optim", "environ": { "pytorch_git_version": "c527d0fadd27595ba2f98dd0f57aae5c56658d71" }, "metrics": { "resnet18, Adam, cuda, (pt2) default": 0.0018993107215413507, "resnet18, Adam, cuda, default": 0.0010943956114351748, "resnet18, Adam, cuda, (pt2) amsgrad, maximize": 0.002033790648736135, "resnet18, Adam, cuda, amsgrad, maximize": 0.0013529009232297541, "resnet18, Adam, cuda, (pt2) no_foreach": 0.005578947072434757, ... } } ``` But now, the keys will contain "compile_time" at the beginning if we're measuring compile time: ``` { "name": "optim", "environ": { "pytorch_git_version": "a005f70a4284152e00c8f6603feaf4ab9636f6aa" }, "metrics": { "resnet18, SGD, cuda, (pt2) no_foreach": 0.0017500566132366657, "resnet18, SGD, cuda, no_foreach": 0.0025729038193821907, "resnet18, SGD, cuda, (pt2) foreach": 0.0017613966017961502, ... "resnet18, SGD, cpu, foreach, momentum=0.9": 0.08240865767002106, "compile_time, resnet18, SGD, cuda, (pt2) no_foreach": 14.877577589824796, "compile_time, resnet18, SGD, cuda, (pt2) foreach": 0.6698574535548687, "compile_time, resnet18, SGD, cuda, (pt2) foreach, momentum=0.9, nesterov": 0.32723781156043213, ... "compile_time, resnet18, SGD, cpu, (pt2) foreach, momentum=0.9": 0.29321490600705147 } } ``` Pull Request resolved: #1865 Reviewed By: mlazos Differential Revision: D49022308 Pulled By: janeyx99 fbshipit-source-id: 4a143071d232160b239efc03e04afba611a973af
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