OpenShot Library | libopenshot 0.3.3
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OpenMPUtilities.h
Go to the documentation of this file.
1
9// Copyright (c) 2008-2019 OpenShot Studios, LLC
10//
11// SPDX-License-Identifier: LGPL-3.0-or-later
12
13#ifndef OPENSHOT_OPENMP_UTILITIES_H
14#define OPENSHOT_OPENMP_UTILITIES_H
15
16#include <omp.h>
17#include <algorithm>
18#include <string>
19
20#include "Settings.h"
21
22// Calculate the # of OpenMP Threads to allow
23#define OPEN_MP_NUM_PROCESSORS (std::min(omp_get_num_procs(), std::max(2, openshot::Settings::Instance()->OMP_THREADS) ))
24#define FF_NUM_PROCESSORS (std::min(omp_get_num_procs(), std::max(2, openshot::Settings::Instance()->FF_THREADS) ))
25
26// Set max-active-levels to the max supported, if possible
27// (supported_active_levels is OpenMP 5.0 (November 2018) or later, only.)
28#if (_OPENMP >= 201811)
29 #define OPEN_MP_MAX_ACTIVE omp_get_supported_active_levels()
30#else
31 #define OPEN_MP_MAX_ACTIVE OPEN_MP_NUM_PROCESSORS
32#endif
33
34#endif
Header file for global Settings class.