| /* |
| Copyright 2005-2010 Intel Corporation. All Rights Reserved. |
| |
| This file is part of Threading Building Blocks. |
| |
| Threading Building Blocks is free software; you can redistribute it |
| and/or modify it under the terms of the GNU General Public License |
| version 2 as published by the Free Software Foundation. |
| |
| Threading Building Blocks is distributed in the hope that it will be |
| useful, but WITHOUT ANY WARRANTY; without even the implied warranty |
| of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with Threading Building Blocks; if not, write to the Free Software |
| Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| |
| As a special exception, you may use this file as part of a free software |
| library without restriction. Specifically, if other files instantiate |
| templates or use macros or inline functions from this file, or you compile |
| this file and link it with other files to produce an executable, this |
| file does not by itself cause the resulting executable to be covered by |
| the GNU General Public License. This exception does not however |
| invalidate any other reasons why the executable file might be covered by |
| the GNU General Public License. |
| */ |
| |
| // Support for GUI display for Polygon overlay demo |
| |
| #define VIDEO_WINMAIN_ARGS |
| #include <iostream> |
| #include "polyover.h" |
| #include "polymain.h" |
| #include "pover_video.h" |
| #include "tbb/tick_count.h" |
| #include "tbb/task_scheduler_init.h" |
| #ifndef _WIN32 |
| #include <sys/time.h> |
| #include <unistd.h> |
| |
| void rt_sleep(int msec) { |
| usleep(msec*1000); |
| } |
| |
| #else //_WIN32 |
| |
| #undef OLDUNIXTIME |
| #undef STDTIME |
| |
| #include <windows.h> |
| |
| void rt_sleep(int msec) { |
| Sleep(msec); |
| } |
| |
| #endif /* _WIN32 */ |
| |
| using namespace std; |
| |
| bool g_next_frame() { |
| if(++n_next_frame_calls >= frame_skips) { // the data race here is benign |
| n_next_frame_calls = 0; |
| return gVideo->next_frame(); |
| } |
| return gVideo->running; |
| } |
| |
| bool g_last_frame() { |
| if(n_next_frame_calls) return gVideo->next_frame(); |
| return gVideo->running; |
| } |
| |
| bool initializeVideo(int argc, char **argv) { |
| //pover_video *l_video = new pover_video(); |
| //gVideo = l_video; |
| gVideo->init_console(); // don't check return code. |
| gVideo->title = g_windowTitle; |
| g_useGraphics = gVideo->init_window(g_xwinsize, g_ywinsize); |
| return true; |
| } |
| |
| void pover_video::on_process() { |
| tbb::tick_count t0, t1; |
| double naiveParallelTime, domainSplitParallelTime; |
| // create map1 These could be done in parallel, if the pseudorandom number generator were re-seeded. |
| GenerateMap(&gPolymap1, gMapXSize, gMapYSize, gNPolygons, /*red*/255, /*green*/0, /*blue*/127); |
| // create map2 |
| GenerateMap(&gPolymap2, gMapXSize, gMapYSize, gNPolygons, /*red*/0, /*green*/255, /*blue*/127); |
| // |
| // Draw source maps |
| gDrawXOffset = map1XLoc; |
| gDrawYOffset = map1YLoc; |
| for(int i=0; i < int(gPolymap1->size()); i++) { |
| gPolymap1->at(i)->drawPoly(); |
| } |
| gDrawXOffset = map2XLoc; |
| gDrawYOffset = map2YLoc; |
| for(int i=0; i < int(gPolymap2->size()) ;i++) { |
| gPolymap2->at(i)->drawPoly(); |
| } |
| gDoDraw = true; |
| |
| // run serial map generation |
| gDrawXOffset = maprXLoc; |
| gDrawYOffset = maprYLoc; |
| { |
| RPolygon *xp = RPolygon::alloc_RPolygon(0, 0, gMapXSize-1, gMapYSize-1, 0, 0, 0); // Clear the output space |
| RPolygon::free_RPolygon( xp ); |
| t0 = tbb::tick_count::now(); |
| SerialOverlayMaps(&gResultMap, gPolymap1, gPolymap2); |
| t1 = tbb::tick_count::now(); |
| cout << "Serial overlay took " << (t1-t0).seconds()*1000 << " msec" << std::endl; |
| gSerialTime = (t1-t0).seconds()*1000; |
| #if _DEBUG |
| CheckPolygonMap(gResultMap); |
| // keep the map for comparison purposes. |
| #else |
| for(int i=0; i<int(gResultMap->size());i++) { |
| RPolygon::free_RPolygon(gResultMap->at(i)); |
| } |
| delete gResultMap; |
| #endif |
| if(gCsvFile.is_open()) { |
| gCsvFile << "Serial Time," << gSerialTime << std::endl; |
| gCsvFile << "Threads,"; |
| if(gThreadsLow == THREADS_UNSET || gThreadsLow == tbb::task_scheduler_init::automatic) { |
| gCsvFile << "Threads,Automatic"; |
| } |
| else { |
| for(int i=gThreadsLow; i <= gThreadsHigh; i++) { |
| gCsvFile << i; |
| if(i < gThreadsHigh) gCsvFile << ","; |
| } |
| } |
| gCsvFile << std::endl; |
| } |
| if(gIsGraphicalVersion) rt_sleep(2000); |
| } |
| // run naive parallel map generation |
| { |
| Polygon_map_t *resultMap; |
| if(gCsvFile.is_open()) { |
| gCsvFile << "Naive Time"; |
| } |
| NaiveParallelOverlay(resultMap, *gPolymap1, *gPolymap2); |
| delete resultMap; |
| if(gIsGraphicalVersion) rt_sleep(2000); |
| } |
| // run split map generation |
| { |
| Polygon_map_t *resultMap; |
| if(gCsvFile.is_open()) { |
| gCsvFile << "Split Time"; |
| } |
| SplitParallelOverlay(&resultMap, gPolymap1, gPolymap2); |
| delete resultMap; |
| if(gIsGraphicalVersion) rt_sleep(10000); |
| } |
| } |