std::string ToString(double value, size_t iCount, size_t fCount)
{
assert(iCount > 0);
if(value > 0)
{
std::stringstream ss;
ss << std::setprecision(fCount) << std::fixed << value;
return ExpandToLeft(ss.str(), iCount + fCount + (fCount > 0 ? 1 : 0));
}
else
{
return ExpandToLeft("", iCount + fCount + 1);
}
}
std::string PerformanceMeasurerStorage::Report(bool sse42_, bool align, bool raw) const
{
struct Statistic
{
std::pair<Pm, Pm> simd;
std::pair<Pm, Pm> base;
Pm sse42;
std::pair<Pm, Pm> sse2;
std::pair<Pm, Pm> ssse3;
std::pair<Pm, Pm> sse41;
std::pair<Pm, Pm> avx2;
std::pair<Pm, Pm> vsx;
};
typedef std::map<std::string, Statistic> StatisticMap;
StatisticMap statistic;
double timeMax = 0;
size_t sizeMax = 8;
bool sse2 = false, ssse3 = false, sse41 = false, sse42 = false, avx2 = false, vsx = false;
for(Map::const_iterator it = _map.begin(); it != _map.end(); ++it)
{
const std::string & desc = it->second->Description();
std::string name = FunctionShortName(desc);
Statistic & s = statistic[name];
if(desc.find("Simd::") == std::string::npos && desc.find("Simd") == 0)
{
if(Aligned(desc))
s.simd.first = *it->second;
else
s.simd.second = *it->second;
}
if(desc.find("Simd::Base::") != std::string::npos)
{
if(Aligned(desc))
s.base.first = *it->second;
else
s.base.second = *it->second;
}
if(desc.find("Simd::Sse2::") != std::string::npos || desc.find("Simd::Sse::") != std::string::npos)
{
if(Aligned(desc))
s.sse2.first = *it->second;
else
s.sse2.second = *it->second;
sse2 = true;
}
if(desc.find("Simd::Ssse3::") != std::string::npos)
{
if(Aligned(desc))
s.ssse3.first = *it->second;
else
s.ssse3.second = *it->second;
ssse3 = true;
}
if(desc.find("Simd::Sse41::") != std::string::npos)
{
if(Aligned(desc))
s.sse41.first = *it->second;
else
s.sse41.second = *it->second;
sse41 = true;
}
if(desc.find("Simd::Sse42::") != std::string::npos)
{
s.sse42 = *it->second;
sse42 = true && sse42_;
}
if(desc.find("Simd::Avx2::") != std::string::npos || desc.find("Simd::Avx::") != std::string::npos)
{
if(Aligned(desc))
s.avx2.first = *it->second;
else
s.avx2.second = *it->second;
avx2 = true;
}
if(desc.find("Simd::Vsx::") != std::string::npos)
{
if(Aligned(desc))
s.vsx.first = *it->second;
else
s.vsx.second = *it->second;
vsx = true;
}
timeMax = std::max(timeMax, it->second->Average());
sizeMax = std::max(name.size(), sizeMax);
}
const size_t ic = 1 + (size_t)::log10(std::max(timeMax*1000, 1.0));
const size_t ir = 3;
const size_t fc = 3;
std::vector<std::string> statistics;
for(StatisticMap::const_iterator it = statistic.begin(); it != statistic.end(); ++it)
{
const Statistic & s = it->second;
std::stringstream ss;
ss << ExpandToRight(it->first, sizeMax) << " | ";
ss << ToString(s.simd.first.Average()*1000.0, ic, fc) << " ";
ss << ToString(s.base.first.Average()*1000.0, ic, fc) << " ";
if(sse2) ss << ToString(s.sse2.first.Average()*1000.0, ic, fc) << " ";
if(ssse3) ss << ToString(s.ssse3.first.Average()*1000.0, ic, fc) << " ";
if(sse41) ss << ToString(s.sse41.first.Average()*1000.0, ic, fc) << " ";
if(sse42) ss << ToString(s.sse42.Average()*1000.0, ic, fc) << " ";
if(avx2) ss << ToString(s.avx2.first.Average()*1000.0, ic, fc) << " ";
if(vsx) ss << ToString(s.vsx.first.Average()*1000.0, ic, fc) << " ";
ss << "| ";
if(sse2 || ssse3 || sse41 || sse42 || avx2 || vsx)
{
if(sse2) ss << ToString(Relation(s.base.first, s.sse2.first), ir, fc) << " ";
if(ssse3) ss << ToString(Relation(s.base.first, s.ssse3.first), ir, fc) << " ";
if(sse41) ss << ToString(Relation(s.base.first, s.sse41.first), ir, fc) << " ";
if(sse42) ss << ToString(Relation(s.base.first, s.sse42), ir, fc) << " ";
if(avx2) ss << ToString(Relation(s.base.first, s.avx2.first), ir, fc) << " ";
if(vsx) ss << ToString(Relation(s.base.first, s.vsx.first), ir, fc) << " ";
ss << "| ";
}
if(sse2 && (ssse3 || sse41))
{
if(ssse3) ss << ToString(Relation(s.sse2.first, s.ssse3.first), ir, fc) << " ";
if(sse41) ss << ToString(Relation(s.sse2.first, s.sse41.first), ir, fc) << " ";
ss << "| ";
}
if((sse2 || ssse3 || sse41) && avx2)
{
if(sse2) ss << ToString(Relation(s.sse2.first, s.avx2.first), ir, fc) << " ";
if(ssse3) ss << ToString(Relation(s.ssse3.first, s.avx2.first), ir, fc) << " ";
if(sse41) ss << ToString(Relation(s.sse41.first, s.avx2.first), ir, fc) << " ";
ss << "| ";
}
if(align)
{
ss << ToString(Relation(s.base.second, s.base.first), ir, fc) << " ";
if(sse2) ss << ToString(Relation(s.sse2.second, s.sse2.first), ir, fc) << " ";
if(ssse3) ss << ToString(Relation(s.ssse3.second, s.ssse3.first), ir, fc) << " ";
if(sse41) ss << ToString(Relation(s.sse41.second, s.sse41.first), ir, fc) << " ";
if(avx2) ss << ToString(Relation(s.avx2.second, s.avx2.first), ir, fc) << " ";
if(vsx) ss << ToString(Relation(s.vsx.second, s.vsx.first), ir, fc) << " ";
ss << "| ";
}
statistics.push_back(ss.str());
}
std::sort(statistics.begin(), statistics.end());
std::stringstream header;
header << ExpandToRight("Function", sizeMax) << " | ";
header << ExpandToLeft("Simd", ic + fc + 1) << " ";
header << ExpandToLeft("Base", ic + fc + 1) << " ";
if(sse2) header << ExpandToLeft("Sse2", ic + fc + 1) << " ";
if(ssse3) header << ExpandToLeft("Ssse3", ic + fc + 1) << " ";
if(sse41) header << ExpandToLeft("Sse41", ic + fc + 1) << " ";
if(sse42) header << ExpandToLeft("Sse42", ic + fc + 1) << " ";
if(avx2) header << ExpandToLeft("Avx2", ic + fc + 1) << " ";
if(vsx) header << ExpandToLeft("Vsx", ic + fc + 1) << " ";
header << "| ";
if(sse2 || ssse3 || sse41 || sse42 || avx2 || vsx)
{
if(sse2) header << ExpandToLeft("B/S2", ir + fc + 1) << " ";
if(ssse3) header << ExpandToLeft("B/S3", ir + fc + 1) << " ";
if(sse41) header << ExpandToLeft("B/S41", ir + fc + 1) << " ";
if(sse42) header << ExpandToLeft("B/S42", ir + fc + 1) << " ";
if(avx2) header << ExpandToLeft("B/A2", ir + fc + 1) << " ";
if(vsx) header << ExpandToLeft("B/Vs", ir + fc + 1) << " ";
header << "| ";
}
if(sse2 && (ssse3 || sse41))
{
if(ssse3) header << ExpandToLeft("S2/S3", ir + fc + 1) << " ";
if(sse41) header << ExpandToLeft("S2/S41", ir + fc + 1) << " ";
header << "| ";
}
if((sse2 || ssse3 || sse41) && avx2)
{
if(sse2) header << ExpandToLeft("S2/A2", ir + fc + 1) << " ";
if(ssse3) header << ExpandToLeft("S3/A2", ir + fc + 1) << " ";
if(sse41) header << ExpandToLeft("S41/A2", ir + fc + 1) << " ";
header << "| ";
}
if(align)
{
header << ExpandToLeft("B:U/A", ir + fc + 1) << " ";
if(sse2) header << ExpandToLeft("S2:U/A", ir + fc + 1) << " ";
if(ssse3) header << ExpandToLeft("S3:U/A", ir + fc + 1) << " ";
if(sse41) header << ExpandToLeft("S41:U/A", ir + fc + 1) << " ";
if(avx2) header << ExpandToLeft("A2:U/A", ir + fc + 1) << " ";
if(vsx) header << ExpandToLeft("Vs:U/A", ir + fc + 1) << " ";
header << "| ";
}
std::stringstream separator;
for(size_t i = 0; i < header.str().size(); ++i)
separator << "-";
std::stringstream report;
if(raw)
{
report << std::endl << "Raw performance report:" << std::endl << std::endl;
for(Map::const_iterator it = _map.begin(); it != _map.end(); ++it)
report << it->second->Statistic() << std::endl;
}
report << std::endl << "Performance report:" << std::endl << std::endl;
report << separator.str() << std::endl;
report << header.str() << std::endl;
report << separator.str() << std::endl;
for(size_t i = 0; i < statistics.size(); ++i)
report << statistics[i] << std::endl;
report << separator.str() << std::endl;
return report.str();
}
