product_threaded.cpp File Reference

#include "main.h"

Macros
#define	EIGEN_GEMM_THREADPOOL

Functions
void	test_parallelize_gemm ()
	EIGEN_DECLARE_TEST (product_threaded)

Macro Definition Documentation

EIGEN_GEMM_THREADPOOL

#define EIGEN_GEMM_THREADPOOL

Function Documentation

EIGEN_DECLARE_TEST()

EIGEN_DECLARE_TEST

(

product_threaded

)

{ CALL_SUBTEST(test_parallelize_gemm()); }

References CALL_SUBTEST, and test_parallelize_gemm().

test_parallelize_gemm()

void test_parallelize_gemm

(

)

                             {
  constexpr int n = 1024;
  constexpr int num_threads = 4;
  MatrixXf a = MatrixXf::Random(n, n);
  MatrixXf b = MatrixXf::Random(n, n);
  MatrixXf c = MatrixXf::Random(n, n);
  c.noalias() = a * b;
 
  ThreadPool pool(num_threads);
  Eigen::setGemmThreadPool(&pool);
  MatrixXf c_threaded(n, n);
  c_threaded.noalias() = a * b;
 
  VERIFY_IS_APPROX(c, c_threaded);
}

References a, b, calibrate::c, n, and VERIFY_IS_APPROX.

Referenced by EIGEN_DECLARE_TEST().