matmult_omp.cpp

// Copyright 2018 Delft University of Technology
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#include "acsmatmult/matmult.h"
#include <omp.h>  // OpenMP support.

/* You may not remove these pragmas: */
/*************************************/
#pragma GCC push_options
#pragma GCC optimize ("O0")
/*************************************/

Matrix<float> multiplyMatricesOMP(Matrix<float> a,
                                  Matrix<float> b,
                                  int num_threads) {
  /* REPLACE THE CODE IN THIS FUNCTION WITH YOUR OWN CODE */
  /* YOU MUST USE OPENMP HERE */

  std::cout << "OpenMP test, brace for impact!" << std::endl;

  // Test if OpenMP works:
#pragma omp parallel for
  for (int i = 0; i < 8; i++) {
    std::cout << "Hello World " << "from thread " << omp_get_thread_num() << std::endl;
  }
  return Matrix<float>(1, 1);
}

Matrix<double> multiplyMatricesOMP(Matrix<double> a,
                                   Matrix<double> b,
                                   int num_threads) {
  /* REPLACE THE CODE IN THIS FUNCTION WITH YOUR OWN CODE */
  /* YOU MUST USE OPENMP HERE */
  return Matrix<double>(1, 1);
}
#pragma GCC pop_options