84 lines
2.3 KiB
C++
84 lines
2.3 KiB
C++
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/*
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Copyright 2016, 2017 Michele "King_DuckZ" Santullo
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This file is part of MyCurry.
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MyCurry is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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MyCurry is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with MyCurry. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "fsgn_timing.hpp"
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#include "fsgn.hpp"
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#if defined(FSGN_WITH_TIMING)
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# include <chrono>
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# include <random>
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# include <vector>
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# include <algorithm>
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# include <iostream>
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#endif
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namespace curry {
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#if defined(FSGN_WITH_TIMING)
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void do_fsgn_timing() {
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constexpr const auto count = 1000000U;
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std::minstd_rand rand;
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std::vector<float> inputs(count);
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std::generate(inputs.begin(), inputs.end(), [&](){
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return static_cast<float>(rand()) - static_cast<float>(rand.max()) / 2.0f;
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});
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//fast_fsgn
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{
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float result = 0.0f;
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auto t_start = std::chrono::high_resolution_clock::now();
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for (auto z = 0U; z < count; ++z) {
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result += fast_fsgn(inputs[z]);
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}
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auto t_end = std::chrono::high_resolution_clock::now();
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std::cout << "fast_fsgn result: " << result << " in " <<
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std::chrono::duration<double>(t_end - t_start).count() << '\n';
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}
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//fsgn_asm
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{
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float result = 0.0f;
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auto t_start = std::chrono::high_resolution_clock::now();
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for (auto z = 0U; z < count; ++z) {
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result += fsgn_asm(inputs[z]);
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}
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auto t_end = std::chrono::high_resolution_clock::now();
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std::cout << "fsgn_asm result: " << result << " in " <<
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std::chrono::duration<double>(t_end - t_start).count() << '\n';
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}
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//fsgn
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{
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float result = 0.0f;
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auto t_start = std::chrono::high_resolution_clock::now();
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for (auto z = 0U; z < count; ++z) {
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result += fsgn(inputs[z]);
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}
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auto t_end = std::chrono::high_resolution_clock::now();
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std::cout << "fsgn result: " << result << " in " <<
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std::chrono::duration<double>(t_end - t_start).count() << '\n';
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}
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}
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#endif
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} //namespace curry
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