// // Lol Engine - Benchmark program // // Copyright: (c) 2005-2011 Sam Hocevar <sam@hocevar.net> // This program is free software; you can redistribute it and/or // modify it under the terms of the Do What The Fuck You Want To // Public License, Version 2, as published by Sam Hocevar. See // http://sam.zoy.org/projects/COPYING.WTFPL for more details. // #if defined HAVE_CONFIG_H # include "config.h" #endif #include "core.h" #include "loldebug.h" using namespace std; using namespace lol; int main(int argc, char **argv) { Timer timer; float ftotal = 0.0f; for (uint32_t i = 0; i < 0xffffffffu; i += 7) { union { float f; uint32_t x; } u; u.x = i; float h = (float)half::makefast(u.f); ftotal += h; } Log::Info("time for makeslow: %f (hash %f)\n", timer.GetMs(), ftotal); uint16_t total = 0; for (uint32_t i = 0; i < 0xffffffffu; i += 7) { union { float f; uint32_t x; } u; u.x = i; half h = half::makeslow(u.f); total ^= h.bits(); } Log::Info("time for makeslow: %f (hash %04x)\n", timer.GetMs(), total); for (uint32_t i = 0; i < 0xffffffffu; i += 7) { union { float f; uint32_t x; } u; u.x = i; half h = half::makefast(u.f); total ^= h.bits(); } Log::Info("time for makefast: %f (hash %04x)\n", timer.GetMs(), total); return EXIT_SUCCESS; }