118 lines
2.6 KiB
C++
118 lines
2.6 KiB
C++
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#include "bench.h"
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#include <sstream>
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#include <iostream>
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#include "vectorial/config.h"
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namespace profiler {
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#ifdef BENCH_MACH
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mach_timebase_info_data_t info;
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void init() {
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mach_timebase_info(&info);
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}
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#endif
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#ifdef BENCH_GTOD
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void init() {
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}
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#endif
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#ifdef BENCH_QPC
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double frequency;
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void init() {
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LARGE_INTEGER freq;
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QueryPerformanceFrequency(&freq);
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frequency = (double)freq.QuadPart;
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}
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#endif
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time_t now() {
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#ifdef BENCH_MACH
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return mach_absolute_time();
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#endif
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#ifdef BENCH_GTOD
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time_t v;
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gettimeofday(&v, NULL);
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return v;
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#endif
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#ifdef BENCH_QPC
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LARGE_INTEGER v;
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QueryPerformanceCounter(&v);
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return v;
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#endif
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}
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double diffTime(time_t start, time_t end) {
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#ifdef BENCH_GTOD
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return (end.tv_sec - start.tv_sec) + (end.tv_usec - start.tv_usec) / 1000000.0;
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#endif
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#ifdef BENCH_MACH
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return ((end-start) * info.numer / info.denom) / 1000000000.0;
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#endif
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#ifdef BENCH_QPC
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return (end.QuadPart - start.QuadPart) / frequency;
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#endif
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}
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}
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std::string formatTime(double d, double relative ) {
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const double sec = 1.0;
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const double milli = 0.001;
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const double micro = 0.000001;
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const double nano = 0.000000001;
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std::stringstream ss;
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if( relative < 0.0) relative=d;
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if( relative >= sec ) ss << d << "s";
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else if( relative >= milli ) ss << d/milli << "ms";
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else if( relative >= micro ) ss << d/micro <<"us";
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else ss << d/nano << "ns";
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return ss.str();
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}
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void profile(const char* name, void (*func)(), int iterations, int elements) {
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profiler::init();
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profiler::time_t start = profiler::now();
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for(int i = 0; i < iterations; ++i)
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{
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func();
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}
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profiler::time_t end = profiler::now();
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std::cout << "Using simd: " << VECTORIAL_SIMD_TYPE << std::endl;
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std::cout << "Testing: " << name << std::endl;
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std::cout << "Duration " << formatTime(profiler::diffTime(start,end)) << std::endl;
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std::cout << "Per iter " << formatTime(profiler::diffTime(start,end) / iterations) << std::endl;
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std::cout << "Per item " << formatTime(profiler::diffTime(start,end) / iterations / elements) << std::endl;
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}
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void add_bench();
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void dot_bench();
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void quad_bench();
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void matrix_bench();
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int main() {
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// add_bench();
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// dot_bench();
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// quad_bench();
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matrix_bench();
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return 0;
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}
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