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Jonathan Thomas
bca37e047a
- Defaults exposed via DefaultOMPThreads() and DefaultFFThreads(). - User overrides are clamped to 2 .. 3x CPU count. - openshot-benchmark now supports --omp-threads and --ff-threads. - Tests cover the new settings and benchmark arg behavior.
101 lines
2.8 KiB
C++
101 lines
2.8 KiB
C++
/**
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* @file
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* @brief Unit tests for openshot::Color
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* @author Jonathan Thomas <jonathan@openshot.org>
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*
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* @ref License
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*/
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// Copyright (c) 2008-2019 OpenShot Studios, LLC
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//
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// SPDX-License-Identifier: LGPL-3.0-or-later
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#include "openshot_catch.h"
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#include <algorithm>
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#include "OpenMPUtilities.h"
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#include "Settings.h"
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#include <omp.h>
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using namespace openshot;
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TEST_CASE( "Constructor", "[libopenshot][settings]" )
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{
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int cpu_count = std::max(2, omp_get_num_procs());
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// Create an empty color
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Settings *s = Settings::Instance();
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CHECK(s->OMP_THREADS == cpu_count);
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CHECK(s->FF_THREADS == cpu_count);
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CHECK(s->DefaultOMPThreads() == cpu_count);
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CHECK(s->DefaultFFThreads() == cpu_count);
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CHECK(s->EffectiveOMPThreads() == cpu_count);
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CHECK(omp_get_max_threads() == cpu_count);
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CHECK_FALSE(s->HIGH_QUALITY_SCALING);
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}
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TEST_CASE( "Change settings", "[libopenshot][settings]" )
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{
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// Create an empty color
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Settings *s = Settings::Instance();
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int original_runtime_threads = omp_get_max_threads();
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int original_omp_threads = s->OMP_THREADS;
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int original_ff_threads = s->FF_THREADS;
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s->OMP_THREADS = 13;
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s->FF_THREADS = 12;
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s->HIGH_QUALITY_SCALING = true;
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Settings::Instance();
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CHECK(s->OMP_THREADS == 13);
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CHECK(s->FF_THREADS == 12);
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CHECK(s->EffectiveOMPThreads() == 13);
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CHECK(s->HIGH_QUALITY_SCALING == true);
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CHECK(omp_get_max_threads() == 13);
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CHECK(Settings::Instance()->OMP_THREADS == 13);
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CHECK(Settings::Instance()->FF_THREADS == 12);
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CHECK(Settings::Instance()->EffectiveOMPThreads() == 13);
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CHECK(Settings::Instance()->HIGH_QUALITY_SCALING == true);
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// Restore prior OpenMP runtime state for later tests.
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s->OMP_THREADS = original_omp_threads;
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s->FF_THREADS = original_ff_threads;
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Settings::Instance();
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omp_set_num_threads(original_runtime_threads);
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}
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TEST_CASE( "Clamp settings to machine limits", "[libopenshot][settings]" )
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{
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Settings *s = Settings::Instance();
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const int original_omp_threads = s->OMP_THREADS;
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const int original_ff_threads = s->FF_THREADS;
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const int original_runtime_threads = omp_get_max_threads();
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const int max_threads = s->MaxAllowedThreads();
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s->OMP_THREADS = max_threads + 50;
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s->FF_THREADS = max_threads + 50;
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Settings::Instance();
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CHECK(s->EffectiveOMPThreads() == max_threads);
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CHECK(OPEN_MP_NUM_PROCESSORS == max_threads);
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CHECK(FF_VIDEO_NUM_PROCESSORS == max_threads);
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CHECK(FF_AUDIO_NUM_PROCESSORS == max_threads);
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CHECK(omp_get_max_threads() == max_threads);
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s->OMP_THREADS = original_omp_threads;
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s->FF_THREADS = original_ff_threads;
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Settings::Instance();
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omp_set_num_threads(original_runtime_threads);
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}
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TEST_CASE( "Debug logging", "[libopenshot][settings][environment]")
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{
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// Check the environment
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auto envvar = std::getenv("LIBOPENSHOT_DEBUG");
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const auto is_enabled = bool(envvar != nullptr);
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CHECK(Settings::Instance()->DEBUG_TO_STDERR == is_enabled);
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}
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