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ts: fix perf calibation

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properly handle "check" mode with:
"--perf_min_samples=1 --perf_force_samples=1"
This commit is contained in:
Alexander Alekhin 2019-04-29 19:05:44 +00:00
parent ffd4a27901
commit cd4926778e
1 changed files with 13 additions and 5 deletions
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18
modules/ts/src/ts_perf.cpp
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@ -25,7 +25,7 @@ using namespace cvtest;
using namespace perf;
int64 TestBase::timeLimitDefault = 0;
unsigned int TestBase::iterationsLimitDefault = (unsigned int)(-1);
unsigned int TestBase::iterationsLimitDefault = UINT_MAX;
int64 TestBase::_timeadjustment = 0;
// Item [0] will be considered the default implementation.
@ -1158,7 +1158,7 @@ void TestBase::Init(const std::vector<std::string> & availableImpls,
}
timeLimitDefault = param_time_limit == 0.0 ? 1 : (int64)(param_time_limit * cv::getTickFrequency());
iterationsLimitDefault = param_force_samples == 0 ? (unsigned)(-1) : param_force_samples;
iterationsLimitDefault = param_force_samples == 0 ? UINT_MAX : param_force_samples;
_timeadjustment = _calibrate();
}
@ -1197,9 +1197,13 @@ enum PERF_STRATEGY TestBase::getCurrentModulePerformanceStrategy()
int64 TestBase::_calibrate()
{
CV_TRACE_FUNCTION();
if (iterationsLimitDefault <= 1)
return 0;
class _helper : public ::perf::TestBase
{
public:
public:
_helper() { testStrategy = PERF_STRATEGY_BASE; }
performance_metrics& getMetrics() { return calcMetrics(); }
virtual void TestBody() {}
virtual void PerfTestBody()
@ -1210,13 +1214,17 @@ int64 TestBase::_calibrate()
cv::Mat b(2048, 2048, CV_32S, cv::Scalar(2));
declare.time(30);
double s = 0;
for(declare.iterations(20); next() && startTimer(); stopTimer())
declare.iterations(20);
minIters = nIters = 20;
for(; next() && startTimer(); stopTimer())
s+=a.dot(b);
declare.time(s);
//self calibration
SetUp();
for(declare.iterations(1000); next() && startTimer(); stopTimer()){}
declare.iterations(1000);
minIters = nIters = 1000;
for(int iters = 0; next() && startTimer(); iters++, stopTimer()) { /*std::cout << iters << nIters << std::endl;*/ }
}
};