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Hadrons: diskvectors measure hash performance in debug output

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This commit is contained in:
Antonin Portelli 2018-11-12 15:59:11 +00:00
parent f5422c7334
commit cfe281f1a4
1 changed files with 17 additions and 11 deletions
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26
Hadrons/DiskVector.hpp
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@ -165,19 +165,22 @@ private:
uint32_t crc, check;
Eigen::Index nRow, nCol;
size_t matSize;
double t;
double tRead, tHash;
f.read(reinterpret_cast<char *>(&crc), sizeof(crc));
f.read(reinterpret_cast<char *>(&nRow), sizeof(nRow));
f.read(reinterpret_cast<char *>(&nCol), sizeof(nCol));
obj.resize(nRow, nCol);
matSize = nRow*nCol*sizeof(T);
t = -usecond();
tRead = -usecond();
f.read(reinterpret_cast<char *>(obj.data()), matSize);
t += usecond();
DV_DEBUG_MSG(this, "Eigen read " << matSize/t*1.0e6/1024/1024 << " MB/s");
tRead += usecond();
tHash = -usecond();
check = GridChecksum::crc32(obj.data(), matSize);
DV_DEBUG_MSG(this, "Eigen crc32 " << std::hex << check << std::dec);
tHash += usecond();
DV_DEBUG_MSG(this, "Eigen read " << tRead/1.0e6 << " sec " << matSize/tRead*1.0e6/1024/1024 << " MB/s");
DV_DEBUG_MSG(this, "Eigen crc32 " << std::hex << check << std::dec
<< " " << tHash/1.0e6 << " sec " << matSize/tHash*1.0e6/1024/1024 << " MB/s");
if (crc != check)
{
HADRONS_ERROR(Io, "checksum failed")
@ -190,20 +193,23 @@ private:
uint32_t crc;
Eigen::Index nRow, nCol;
size_t matSize;
double t;
double tWrite, tHash;
nRow = obj.rows();
nCol = obj.cols();
matSize = nRow*nCol*sizeof(T);
tHash = -usecond();
crc = GridChecksum::crc32(obj.data(), matSize);
tHash += usecond();
f.write(reinterpret_cast<char *>(&crc), sizeof(crc));
f.write(reinterpret_cast<char *>(&nRow), sizeof(nRow));
f.write(reinterpret_cast<char *>(&nCol), sizeof(nCol));
t = -usecond();
tWrite = -usecond();
f.write(reinterpret_cast<const char *>(obj.data()), matSize);
t += usecond();
DV_DEBUG_MSG(this, "Eigen write " << matSize/t*1.0e6/1024/1024 << " MB/s");
DV_DEBUG_MSG(this, "Eigen crc32 " << std::hex << crc << std::dec);
tWrite += usecond();
DV_DEBUG_MSG(this, "Eigen write " << tWrite/1.0e6 << " sec " << matSize/tWrite*1.0e6/1024/1024 << " MB/s");
DV_DEBUG_MSG(this, "Eigen crc32 " << std::hex << crc << std::dec
<< " " << tHash/1.0e6 << " sec " << matSize/tHash*1.0e6/1024/1024 << " MB/s");
}
};