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https://github.com/wjakob/tbb.git
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Wenzel Jakob
93 lines
4.1 KiB
C++
93 lines
4.1 KiB
C++
/*
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Copyright 2005-2016 Intel Corporation. All Rights Reserved.
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This file is part of Threading Building Blocks. Threading Building Blocks is free software;
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you can redistribute it and/or modify it under the terms of the GNU General Public License
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version 2 as published by the Free Software Foundation. Threading Building Blocks is
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distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details. You should have received a copy of
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the GNU General Public License along with Threading Building Blocks; if not, write to the
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Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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As a special exception, you may use this file as part of a free software library without
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restriction. Specifically, if other files instantiate templates or use macros or inline
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functions from this file, or you compile this file and link it with other files to produce
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an executable, this file does not by itself cause the resulting executable to be covered
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by the GNU General Public License. This exception does not however invalidate any other
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reasons why the executable file might be covered by the GNU General Public License.
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*/
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#define VIDEO_WINMAIN_ARGS
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#include <stdio.h>
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#include <iostream>
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#include "fractal.h"
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#include "fractal_video.h"
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#include "tbb/tick_count.h"
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#include "tbb/task_scheduler_init.h"
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#include "../../common/utility/utility.h"
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bool silent = false;
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bool single = false;
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bool schedule_auto = false;
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int grain_size = 8;
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int main(int argc, char *argv[])
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{
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try{
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tbb::tick_count mainStartTime = tbb::tick_count::now();
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// It is used for console mode for test with different number of threads and also has
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// meaning for GUI: threads.first - use separate event/updating loop thread (>0) or not (0).
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// threads.second - initialization value for scheduler
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utility::thread_number_range threads( tbb::task_scheduler_init::default_num_threads );
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int num_frames = -1;
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int max_iterations = 1000000;
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// command line parsing
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utility::parse_cli_arguments(argc,argv,
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utility::cli_argument_pack()
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//"-h" option for displaying help is present implicitly
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.positional_arg(threads,"n-of-threads",utility::thread_number_range_desc)
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.positional_arg(num_frames,"n-of-frames","number of frames the example processes internally")
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.positional_arg(max_iterations,"max-of-iterations","maximum number of the fractal iterations")
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.positional_arg(grain_size,"grain-size","the grain size value")
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.arg(schedule_auto, "use-auto-partitioner", "use tbb::auto_partitioner")
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.arg(silent, "silent", "no output except elapsed time")
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.arg(single, "single", "process only one fractal")
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);
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fractal_video video;
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// video layer init
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if ( video.init_window(1024, 512) ) {
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video.calc_fps = false;
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video.threaded = threads.first > 0;
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// initialize fractal group
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fractal_group fg( video.get_drawing_memory(), threads.last, max_iterations, num_frames );
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video.set_fractal_group( fg );
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// main loop
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video.main_loop();
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}
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else if ( video.init_console() ) {
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// in console mode we always have limited number of frames
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num_frames = num_frames<0 ? 1 : num_frames;
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for(int p = threads.first; p <= threads.last; p = threads.step(p) ) {
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if ( !silent ) printf("Threads = %d\n", p);
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fractal_group fg( video.get_drawing_memory(), p, max_iterations, num_frames );
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fg.run( !single );
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}
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}
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video.terminate();
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utility::report_elapsed_time((tbb::tick_count::now() - mainStartTime).seconds());
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return 0;
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} catch ( std::exception& e ) {
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std::cerr<<"error occurred. error text is :\"" <<e.what()<<"\"\n";
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return 1;
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}
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}
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