pytorch

721ba97e - Create op benchmark for stack (#51263)

Create op benchmark for stack (#51263) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/51263 - Add benchmark for stack op Test Plan: ``` buck build mode/opt //caffe2/benchmarks/operator_benchmark/pt:stack_test --show-output MKL_NUM_THREADS=1 OMP_NUM_THREADS=1 buck-out/gen/caffe2/benchmarks/operator_benchmark/pt/stack_test.par --tag_filter=static_runtime | grep Execution Forward Execution Time (us) : 6.380 Forward Execution Time (us) : 6.553 Forward Execution Time (us) : 14.904 Forward Execution Time (us) : 5.657 Forward Execution Time (us) : 5.612 Forward Execution Time (us) : 6.051 Forward Execution Time (us) : 4.225 Forward Execution Time (us) : 4.240 Forward Execution Time (us) : 6.280 Forward Execution Time (us) : 6.267 Forward Execution Time (us) : 418.932 Forward Execution Time (us) : 417.694 Forward Execution Time (us) : 1592.455 Forward Execution Time (us) : 2919.261 Forward Execution Time (us) : 211.458 Forward Execution Time (us) : 211.518 Forward Execution Time (us) : 783.953 Forward Execution Time (us) : 1457.823 Forward Execution Time (us) : 2032.816 Forward Execution Time (us) : 2090.662 Forward Execution Time (us) : 6487.098 Forward Execution Time (us) : 11874.702 Forward Execution Time (us) : 2123.830 Forward Execution Time (us) : 2195.453 Forward Execution Time (us) : 6435.978 Forward Execution Time (us) : 11852.205 Forward Execution Time (us) : 2036.526 Forward Execution Time (us) : 2055.618 Forward Execution Time (us) : 6417.192 Forward Execution Time (us) : 12468.744 Forward Execution Time (us) : 4959.704 Forward Execution Time (us) : 5121.823 Forward Execution Time (us) : 5082.105 Forward Execution Time (us) : 5395.936 Forward Execution Time (us) : 5162.756 Forward Execution Time (us) : 23798.080 Forward Execution Time (us) : 4957.921 Forward Execution Time (us) : 4971.234 Forward Execution Time (us) : 5005.909 Forward Execution Time (us) : 5159.614 Forward Execution Time (us) : 5013.221 Forward Execution Time (us) : 20238.741 Forward Execution Time (us) : 7632.439 Forward Execution Time (us) : 7589.376 Forward Execution Time (us) : 7859.937 Forward Execution Time (us) : 8214.213 Forward Execution Time (us) : 11606.562 Forward Execution Time (us) : 34612.919 ``` Reviewed By: hlu1 Differential Revision: D25859143 fbshipit-source-id: a1b735ce87f57b5eb67e223e549248a2cd7663c1