add random sample function to generate list of inputs (#23174)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/23174
This diff introduces a new function to random generates inputs based on the weights.
Test Plan:
buck run mode/dev-nosan //caffe2/benchmarks/operator_benchmark/common/tests:random_sample_test -- --iterations 3
```
# ----------------------------------------
# PyTorch/Caffe2 Operator Micro-benchmarks
# ----------------------------------------
# Tag : short
# Benchmarking PyTorch: add
# Mode: Eager
# Name: add_M1_N5_K7
# Input: M: 1, N: 5, K: 7
Forward Execution Time (us) : 82.923
# Benchmarking PyTorch: add
# Mode: Eager
# Name: add_M1_N6_K8
# Input: M: 1, N: 6, K: 8
Forward Execution Time (us) : 79.535
# Benchmarking PyTorch: add
# Mode: Eager
# Name: add_M2_N6_K7
# Input: M: 2, N: 6, K: 7
Forward Execution Time (us) : 83.471
# Benchmarking PyTorch: add
# Mode: Eager
# Name: add_M1_N4_K7
# Input: M: 1, N: 4, K: 7
Forward Execution Time (us) : 84.410
# Benchmarking PyTorch: add
# Mode: Eager
# Name: add_M1_N6_K7
# Input: M: 1, N: 6, K: 7
Forward Execution Time (us) : 82.399
```
Reviewed By: zheng-xq
Differential Revision: D15791723
fbshipit-source-id: 730e34d455e962ddf594a491d7c81c3f99fafa86
