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OpenMPUtilities.h
Go to the documentation of this file.
// Copyright (c) 2008-2019 OpenShot Studios, LLC
//
// SPDX-License-Identifier: LGPL-3.0-or-later
#ifndef OPENSHOT_OPENMP_UTILITIES_H
#define OPENSHOT_OPENMP_UTILITIES_H
#include <omp.h>
#include <algorithm>
#include <string>
#include "Settings.h"
// Calculate the # of OpenMP Threads to allow
#define OPEN_MP_NUM_PROCESSORS (std::min(omp_get_num_procs(), std::max(2, openshot::Settings::Instance()->OMP_THREADS) ))
#define FF_NUM_PROCESSORS (std::min(omp_get_num_procs(), std::max(2, openshot::Settings::Instance()->FF_THREADS) ))
// Set max-active-levels to the max supported, if possible
// (supported_active_levels is OpenMP 5.0 (November 2018) or later, only.)
#if (_OPENMP >= 201811)
#define OPEN_MP_MAX_ACTIVE omp_get_supported_active_levels()
#else
#define OPEN_MP_MAX_ACTIVE OPEN_MP_NUM_PROCESSORS
#endif
#endif
Settings.h
Header file for global Settings class.