generic-library/poco
1
0
Fork 0
mirror of https://github.com/pocoproject/poco.git synced 2025-10-27 02:53:10 +01:00
Code Issues Projects Releases Wiki Activity

- strToInt benchmark and more optimization

Browse Source 
- warnmsg macro in CppUnit
This commit is contained in:
Aleksandar Fabijanic
2012-10-01 00:52:53 +00:00
parent bf74a4be8b
commit 8a4eafd05a
5 changed files with 145 additions and 119 deletions
Download Patch File Download Diff File Expand all files Collapse all files

62
Foundation/testsuite/src/StringTest.cpp
View File

@@ -564,24 +564,63 @@ void StringTest::testNumericLocale()
} catch (std::runtime_error& ex)
{
std::cout << ex.what() << std::endl;
warn ("Locale not found, skipping test");
warnmsg ("Locale not found, skipping test");
}
#endif
}
bool parseStream(const std::string& s, double& value)
void StringTest::benchmarkStrToInt()
{
MemoryInputStream istr(s.data(), s.size());
#if !defined(POCO_NO_LOCALE)
istr.imbue(std::locale::classic());
#endif
istr >> value;
return istr.eof() && !istr.fail();
Poco::Stopwatch sw;
int number = 123456789;
std::string num = "123456789";
int res;
sw.start();
for (int i = 0; i < 1000000; ++i) parseStream(num, res);
sw.stop();
std::cout << "parseStream Number: " << res << std::endl;
double timeStream = sw.elapsed() / 1000.0;
char* pC = 0;
sw.restart();
for (int i = 0; i < 1000000; ++i) res = std::strtol(num.c_str(), &pC, 10);
sw.stop();
std::cout << "std::strtol Number: " << res << std::endl;
double timeStrtol = sw.elapsed() / 1000.0;
sw.restart();
for (int i = 0; i < 1000000; ++i) strToInt(num.c_str(), res, 10);
sw.stop();
std::cout << "strToInt Number: " << res << std::endl;
double timeStrToInt = sw.elapsed() / 1000.0;
sw.restart();
for (int i = 0; i < 1000000; ++i) std::sscanf(num.c_str(), "%d%c", &res);
sw.stop();
std::cout << "sscanf Number: " << res << std::endl;
double timeScanf = sw.elapsed() / 1000.0;
int graph;
std::cout << std::endl << "Timing and speedup relative to I/O stream:" << std::endl << std::endl;
std::cout << std::setw(14) << "Stream:\t" << std::setw(10) << std::setfill(' ') << timeStream << "[ms]" << std::endl;
std::cout << std::setw(14) << "std::strtol:\t" << std::setw(10) << std::setfill(' ') << timeStrtol << "[ms]" <<
std::setw(10) << std::setfill(' ') << "Speedup: " << (timeStream / timeStrtol) << '\t' ;
graph = (int) (timeStream / timeStrtol); for (int i = 0; i < graph; ++i) std::cout << '|';
std::cout << std::endl << std::setw(14) << "strToInt:\t" << std::setw(10) << std::setfill(' ') << timeStrToInt << "[ms]" <<
std::setw(10) << std::setfill(' ') << "Speedup: " << (timeStream / timeStrToInt) << '\t' ;
graph = (int) (timeStream / timeStrToInt); for (int i = 0; i < graph; ++i) std::cout << '|';
std::cout << std::endl << std::setw(14) << "std::sscanf:\t" << std::setw(10) << std::setfill(' ') << timeScanf << "[ms]" <<
std::setw(10) << std::setfill(' ') << "Speedup: " << (timeStream / timeScanf) << '\t' ;
graph = (int) (timeStream / timeScanf); for (int i = 0; i < graph; ++i) std::cout << '|';
std::cout << std::endl;
}
void StringTest::benchmark()
void StringTest::benchmarkStrToFloat()
{
Poco::Stopwatch sw;
double number = 1.23456e-123;
@@ -599,7 +638,7 @@ void StringTest::benchmark()
sw.stop();
std::cout << "std::strtod Number: " << res << std::endl;
double timeStrtod = sw.elapsed() / 1000.0;
sw.restart();
char ou = 0;
for (int i = 0; i < 1000000; ++i) strToFloat(num.c_str(), res, ou);
@@ -662,7 +701,8 @@ CppUnit::Test* StringTest::suite()
CppUnit_addTest(pSuite, StringTest, testStringToFloat);
CppUnit_addTest(pSuite, StringTest, testStringToFloatError);
CppUnit_addTest(pSuite, StringTest, testNumericLocale);
CppUnit_addTest(pSuite, StringTest, benchmark);
//CppUnit_addTest(pSuite, StringTest, benchmarkStrToFloat);
//CppUnit_addTest(pSuite, StringTest, benchmarkStrToInt);
return pSuite;
}