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/* ************************************************************************
* Copyright 2013 Advanced Micro Devices, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ************************************************************************/
/*
* Basic performance test case class implementation
*/
#include <clBLAS.h>
#include <iostream>
#include <gtest/gtest.h>
#include <common.h>
#include "PerformanceTest.h"
#include "timer.h"
using namespace std;
using namespace clMath;
enum {
NUMBER_TEST_RUNS = 5 // 1000
};
int PerformanceTest::run(int opFactor)
{
int i;
nano_time_t t1, t2;
nano_time_t time = NANOTIME_MAX;
if (prepare()) {
return -1;
}
/*
* etalon and tested procedures several times and select
* the minimum time so that to reduce delay would be introduced
* by another OS components or applications
*/
t1 = NANOTIME_MAX;
for (i = 0; (i < NUMBER_TEST_RUNS) && (time != NANOTIME_ERR); i++) {
time = etalonPerfSingle();
if (time < t1) {
t1 = time;
}
}
t2 = NANOTIME_MAX;
for (i = 0; (i < NUMBER_TEST_RUNS) && (time != NANOTIME_ERR); i++) {
time = clblasPerfSingle();
if (time < t2) {
t2 = time;
}
}
if (time == NANOTIME_ERR) {
return -1;
}
t1 = conv2microsec(t1);
t2 = conv2microsec(t2);
#ifdef PERF_TEST_WITH_ACML
std::cerr << "Acml ";
#endif
if ( (functionBlasLevel(function_) == 2) || (functionBlasLevel(function_) == 1) ) {
cerr << "reference function has worked in " << t1 <<
" microseconds, clBlas function has worked in " << t2 <<
" microseconds";
}
else {
cerr << "reference function has worked in " << t1 / 1000 <<
" milliseconds, clBlas function has worked in " << t2 / 1000 <<
" milliseconds";
}
if (t2 != 0) {
cerr << ", time ratio is " << (double)t1 / t2;
}
cerr << endl;
perfRecorder->etalonRegPerf(function_, static_cast<unsigned long>(t1),
prob_size_ * opFactor);
perfRecorder->clblasRegPerf(function_, static_cast<unsigned long>(t2),
prob_size_ * opFactor);
if (t2 != 0) {
perfRecorder->regTimeRatio(function_, (double)t1 / t2);
}
/*
* Here check only if the CLBLAS version has worked not slower then
* the reference one
*/
#if 0
return !(t2 <= t1);
#else
return 0;
#endif
}
int PerformanceTest::prepare(void)
{
// stub
return -1;
}
nano_time_t PerformanceTest::etalonPerfSingle(void)
{
// stub
return NANOTIME_ERR;
}
nano_time_t PerformanceTest::clblasPerfSingle(void)
{
// stub
return NANOTIME_ERR;
}
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