eigen/bench/tensors/contraction_benchmarks_cpu.cc

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#define EIGEN_USE_THREADS
#include <string>
#include "tensor_benchmarks.h"
#define CREATE_THREAD_POOL(threads) \
Eigen::ThreadPool pool(threads); \
Eigen::ThreadPoolDevice device(&pool, threads);
// Contractions for number of threads ranging from 1 to 32
// Dimensions are Rows, Cols, Depth
#define BM_ContractionCPU(D1, D2, D3) \
static void BM_##Contraction##_##D1##x##D2##x##D3(int iters, int Threads) { \
StopBenchmarkTiming(); \
CREATE_THREAD_POOL(Threads); \
BenchmarkSuite<Eigen::ThreadPoolDevice, float> suite(device, D1, D2, D3); \
suite.contraction(iters); \
} \
BENCHMARK_RANGE(BM_##Contraction##_##D1##x##D2##x##D3, 1, 32);
// Vector Matrix and Matrix Vector products
BM_ContractionCPU(1, 2000, 500);
BM_ContractionCPU(2000, 1, 500);
// Various skinny matrices
BM_ContractionCPU(250, 3, 512);
BM_ContractionCPU(1500, 3, 512);
BM_ContractionCPU(512, 800, 4);
BM_ContractionCPU(512, 80, 800);
BM_ContractionCPU(512, 80, 13522);
BM_ContractionCPU(1, 80, 13522);
BM_ContractionCPU(3200, 512, 4);
BM_ContractionCPU(3200, 512, 80);
BM_ContractionCPU(3200, 80, 512);