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/*
* Copyright (c) Facebook, Inc. and its affiliates.
* All rights reserved.
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree.
*/
#include "BenchUtils.h"
#include <algorithm>
#include <random>
#include <type_traits>
#ifdef _OPENMP
#include <omp.h>
#endif
namespace fbgemm {
std::default_random_engine eng;
template <typename T>
void randFill(aligned_vector<T>& vec, T low, T high, std::true_type) {
std::uniform_int_distribution<T> dis(low, high);
std::generate(vec.begin(), vec.end(), [&] { return dis(eng); });
}
template <typename T>
void randFill(aligned_vector<T>& vec, T low, T high, std::false_type) {
std::uniform_real_distribution<T> dis(low, high);
std::generate(vec.begin(), vec.end(), [&] { return dis(eng); });
}
template <typename T>
void randFill(aligned_vector<T>& vec, T low, T high) {
randFill(vec, low, high, std::is_integral<T>());
}
template void
randFill<float>(aligned_vector<float>& vec, float low, float high);
template void
randFill<uint8_t>(aligned_vector<uint8_t>& vec, uint8_t low, uint8_t high);
template void
randFill<int8_t>(aligned_vector<int8_t>& vec, int8_t low, int8_t high);
template void randFill<int>(aligned_vector<int>& vec, int low, int high);
void llc_flush(std::vector<char>& llc) {
volatile char* data = llc.data();
for (int i = 0; i < llc.size(); i++) {
data[i]++;
}
}
int fbgemm_get_num_threads() {
#if defined(FBGEMM_MEASURE_TIME_BREAKDOWN) || !defined(_OPENMP)
return 1;
#else
return omp_get_num_threads();
#endif
}
int fbgemm_get_thread_num() {
#if defined(FBGEMM_MEASURE_TIME_BREAKDOWN) || !defined(_OPENMP)
return 0;
#else
return omp_get_thread_num();
#endif
}
} // namespace fbgemm
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