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More perf diagnostics

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Peter Boyle committed 2026-08-27 11:22:35 -04:00
1 parent 0857f3aa82
commit 88acdb8172
2 files changed
+20 -9
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Grid/algorithms/multigrid/BlockCyclicSchurInverse.h
+5 -2
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@@ -404,7 +404,8 @@ public:
// same sequence of sizes). Time is wall time inside SendToRecvFrom, so it
// includes waiting for the partner -- a bucket whose GB/s is far below the
// probe's for the same size is wait, not wire.
std::cout << GridLogMessage << "BlockCyclicSumma ring histogram (boss): size-bucket msgs GB secs GB/s %time" << std::endl;
std::cout << GridLogMessage << "BlockCyclicSumma ring histogram (boss): size-bucket msgs GB xfer-secs GB/s %time"
<< (SUMMA.handshake>0 ? " handshake-secs (partner wait, excluded from xfer)" : "") << std::endl;
std::streamsize oldprec = std::cout.precision();
for(int b=0;b<SUMMA.NHIST;b++){
if ( !SUMMA.histN[b] ) continue;
@@ -416,7 +417,9 @@ public:
<< std::setw(10) << std::setprecision(3) << g
<< std::setw(9) << std::setprecision(3) << sec
<< std::setw(9) << std::setprecision(3) << (sec>0 ? g/sec : 0.0)
<< std::setw(8) << std::setprecision(3) << (ring>0 ? 100.0*sec/ring : 0.0) << std::endl;
<< std::setw(8) << std::setprecision(3) << (ring>0 ? 100.0*sec/ring : 0.0);
if ( SUMMA.handshake>0 ) std::cout << std::setw(12) << std::setprecision(3) << SUMMA.histHsUs[b]/1.0e6;
std::cout << std::endl;
}
std::cout.precision(oldprec);
}