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Flight recorder, resurrecting the "world famous" Britney test
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Peter Boyle
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339
Grid/util/FlightRecorder.cc
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339
Grid/util/FlightRecorder.cc
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/*************************************************************************************
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Grid physics library, www.github.com/paboyle/Grid
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Source file: ./lib/Init.cc
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Copyright (C) 2015
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Author: Azusa Yamaguchi <ayamaguc@staffmail.ed.ac.uk>
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Author: Peter Boyle <paboyle@ph.ed.ac.uk>
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Author: Peter Boyle <peterboyle@MacBook-Pro.local>
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Author: paboyle <paboyle@ph.ed.ac.uk>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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See the full license in the file "LICENSE" in the top level distribution directory
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*************************************************************************************/
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/* END LEGAL */
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#include <Grid/Grid.h>
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NAMESPACE_BEGIN(Grid);
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///////////////////////////////////////////////////////
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// Grid Norm logging for repro testing
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///////////////////////////////////////////////////////
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int FlightRecorder::PrintEntireLog;
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int FlightRecorder::ContinueOnFail;
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int FlightRecorder::LoggingMode;
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int FlightRecorder::ChecksumComms;
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int FlightRecorder::ChecksumCommsSend;
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int32_t FlightRecorder::XmitLoggingCounter;
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int32_t FlightRecorder::RecvLoggingCounter;
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int32_t FlightRecorder::CsumLoggingCounter;
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int32_t FlightRecorder::NormLoggingCounter;
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int32_t FlightRecorder::ReductionLoggingCounter;
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uint64_t FlightRecorder::ErrorCounter;
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std::vector<double> FlightRecorder::NormLogVector;
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std::vector<double> FlightRecorder::ReductionLogVector;
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std::vector<uint64_t> FlightRecorder::CsumLogVector;
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std::vector<uint64_t> FlightRecorder::XmitLogVector;
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std::vector<uint64_t> FlightRecorder::RecvLogVector;
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void FlightRecorder::ResetCounters(void)
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{
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XmitLoggingCounter=0;
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RecvLoggingCounter=0;
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CsumLoggingCounter=0;
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NormLoggingCounter=0;
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ReductionLoggingCounter=0;
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}
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void FlightRecorder::Truncate(void)
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{
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ResetCounters();
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XmitLogVector.resize(0);
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RecvLogVector.resize(0);
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NormLogVector.resize(0);
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CsumLogVector.resize(0);
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ReductionLogVector.resize(0);
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}
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void FlightRecorder::SetLoggingMode(FlightRecorder::LoggingMode_t mode)
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{
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switch ( mode ) {
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case LoggingModePrint:
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SetLoggingModePrint();
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break;
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case LoggingModeRecord:
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SetLoggingModeRecord();
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break;
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case LoggingModeVerify:
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SetLoggingModeVerify();
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break;
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case LoggingModeNone:
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LoggingMode = mode;
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Truncate();
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break;
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default:
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assert(0);
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}
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}
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void FlightRecorder::SetLoggingModePrint(void)
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{
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std::cout << " FlightRecorder: set to print output " <<std::endl;
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Truncate();
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LoggingMode = LoggingModePrint;
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}
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void FlightRecorder::SetLoggingModeRecord(void)
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{
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std::cout << " FlightRecorder: set to RECORD " <<std::endl;
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Truncate();
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LoggingMode = LoggingModeRecord;
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}
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void FlightRecorder::SetLoggingModeVerify(void)
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{
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std::cout << " FlightRecorder: set to VERIFY " << NormLogVector.size()<< " log entries "<<std::endl;
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ResetCounters();
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LoggingMode = LoggingModeVerify;
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}
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uint64_t FlightRecorder::ErrorCount(void)
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{
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return ErrorCounter;
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}
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void FlightRecorder::NormLog(double value)
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{
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uint64_t hex = * ( (uint64_t *)&value );
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if(LoggingMode == LoggingModePrint) {
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std::cerr<<"FlightRecorder::NormLog : "<< NormLoggingCounter <<" "<<std::hex<< hex<<std::dec <<std::endl;
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NormLoggingCounter++;
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}
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if(LoggingMode == LoggingModeRecord) {
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std::cerr<<"FlightRecorder::NormLog RECORDING : "<< NormLoggingCounter <<" "<<std::hex<< hex<<std::dec <<std::endl;
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NormLogVector.push_back(value);
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NormLoggingCounter++;
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}
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if(LoggingMode == LoggingModeVerify) {
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if(NormLoggingCounter < NormLogVector.size()){
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uint64_t hexref = * ( (uint64_t *)&NormLogVector[NormLoggingCounter] );
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if ( (value != NormLogVector[NormLoggingCounter]) || std::isnan(value) ) {
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std::cerr<<"FlightRecorder::NormLog Oops, I did it again "<< NormLoggingCounter
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<<std::hex<<" "<<hex<<" "<<hexref<<std::dec<<" "
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<<std::hexfloat<<value<<" "<< NormLogVector[NormLoggingCounter]<<std::endl;
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std::cerr << " Oops got norm "<< std::hexfloat<<value<<" expect "<<NormLogVector[NormLoggingCounter] <<std::endl;
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fprintf(stderr,"%s:%d Oops, I did it again! Reproduce failure for norm %d/%zu %.16e expect %.16e\n",
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GridHostname(),
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GlobalSharedMemory::WorldShmRank,
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NormLoggingCounter,NormLogVector.size(),
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value, NormLogVector[NormLoggingCounter]); fflush(stderr);
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if(!ContinueOnFail)assert(0); // Force takedown of job
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ErrorCounter++;
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} else {
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if ( PrintEntireLog ) {
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std::cerr<<"FlightRecorder::NormLog VALID "<< NormLoggingCounter << std::hex
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<<" "<<hex<<" "<<hexref
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<<" "<<std::hexfloat<<value<<" "<< NormLogVector[NormLoggingCounter]<<std::dec<<std::endl;
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}
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}
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}
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if ( NormLogVector.size()==NormLoggingCounter ) {
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std::cout << "FlightRecorder:: Verified entire sequence of "<<NormLoggingCounter<<" norms "<<std::endl;
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}
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NormLoggingCounter++;
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}
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}
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void FlightRecorder::CsumLog(uint64_t hex)
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{
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if(LoggingMode == LoggingModePrint) {
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std::cerr<<"FlightRecorder::CsumLog : "<< CsumLoggingCounter <<" "<<std::hex<< hex<<std::dec <<std::endl;
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CsumLoggingCounter++;
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}
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if(LoggingMode == LoggingModeRecord) {
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std::cerr<<"FlightRecorder::CsumLog RECORDING : "<< NormLoggingCounter <<" "<<std::hex<< hex<<std::dec <<std::endl;
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CsumLogVector.push_back(hex);
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CsumLoggingCounter++;
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}
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if(LoggingMode == LoggingModeVerify) {
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if(CsumLoggingCounter < CsumLogVector.size()) {
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uint64_t hexref = CsumLogVector[CsumLoggingCounter] ;
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if ( hex != hexref ) {
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std::cerr<<"FlightRecorder::CsumLog Oops, I did it again "<< CsumLoggingCounter
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<<std::hex<<" "<<hex<<" "<<hexref<<std::dec<<std::endl;
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fprintf(stderr,"%s:%d Oops, I did it again! Reproduce failure for csum %d %lx expect %lx\n",
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GridHostname(),
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GlobalSharedMemory::WorldShmRank,
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CsumLoggingCounter,hex, hexref);
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fflush(stderr);
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if(!ContinueOnFail) assert(0); // Force takedown of job
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ErrorCounter++;
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} else {
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if ( PrintEntireLog ) {
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std::cerr<<"FlightRecorder::CsumLog VALID "<< CsumLoggingCounter << std::hex
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<<" "<<hex<<" "<<hexref<<std::dec<<std::endl;
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}
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}
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}
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if ( CsumLogVector.size()==CsumLoggingCounter ) {
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std::cout << "FlightRecorder:: Verified entire sequence of "<<CsumLoggingCounter<<" checksums "<<std::endl;
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}
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CsumLoggingCounter++;
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}
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}
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void FlightRecorder::ReductionLog(double local,double global)
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{
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uint64_t hex_l = * ( (uint64_t *)&local );
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uint64_t hex_g = * ( (uint64_t *)&global );
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if(LoggingMode == LoggingModePrint) {
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std::cerr<<"FlightRecorder::ReductionLog : "<< ReductionLoggingCounter <<" "<< std::hex << hex_l << " -> " <<hex_g<<std::dec <<std::endl;
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ReductionLoggingCounter++;
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}
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if(LoggingMode == LoggingModeRecord) {
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std::cerr<<"FlightRecorder::ReductionLog RECORDING : "<< ReductionLoggingCounter <<" "<< std::hex << hex_l << " -> " <<hex_g<<std::dec <<std::endl;
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ReductionLogVector.push_back(global);
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ReductionLoggingCounter++;
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}
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if(LoggingMode == LoggingModeVerify) {
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if(ReductionLoggingCounter < ReductionLogVector.size()){
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if ( global != ReductionLogVector[ReductionLoggingCounter] ) {
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fprintf(stderr,"%s:%d Oops, MPI_Allreduce did it again! Reproduce failure for norm %d/%zu glb %.16e lcl %.16e expect glb %.16e\n",
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GridHostname(),
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GlobalSharedMemory::WorldShmRank,
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ReductionLoggingCounter,ReductionLogVector.size(),
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global, local, ReductionLogVector[ReductionLoggingCounter]); fflush(stderr);
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if ( !ContinueOnFail ) assert(0);
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ErrorCounter++;
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} else {
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if ( PrintEntireLog ) {
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std::cerr<<"FlightRecorder::ReductionLog : VALID "<< ReductionLoggingCounter <<" "<< std::hexfloat << local << "-> "<< global <<std::endl;
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}
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}
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}
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if ( ReductionLogVector.size()==ReductionLoggingCounter ) {
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std::cout << "FlightRecorder::ReductionLog : Verified entire sequence of "<<ReductionLoggingCounter<<" norms "<<std::endl;
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}
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ReductionLoggingCounter++;
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}
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}
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void FlightRecorder::xmitLog(void *buf,uint64_t bytes)
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{
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if ( ChecksumCommsSend ){
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uint64_t *ubuf = (uint64_t *)buf;
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if(LoggingMode == LoggingModeNone) return;
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#ifdef GRID_SYCL
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uint64_t _xor = svm_xor(ubuf,bytes/sizeof(uint64_t));
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if(LoggingMode == LoggingModePrint) {
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std::cerr<<"FlightRecorder::xmitLog : "<< XmitLoggingCounter <<" "<< std::hex << _xor <<std::dec <<std::endl;
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XmitLoggingCounter++;
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}
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if(LoggingMode == LoggingModeRecord) {
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std::cerr<<"FlightRecorder::xmitLog RECORD : "<< XmitLoggingCounter <<" "<< std::hex << _xor <<std::dec <<std::endl;
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XmitLogVector.push_back(_xor);
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XmitLoggingCounter++;
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}
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if(LoggingMode == LoggingModeVerify) {
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if(XmitLoggingCounter < XmitLogVector.size()){
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if ( _xor != XmitLogVector[XmitLoggingCounter] ) {
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fprintf(stderr,"%s:%d Oops, send buf difference! Reproduce failure for xmit %d/%zu %lx expect glb %lx\n",
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GridHostname(),
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GlobalSharedMemory::WorldShmRank,
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XmitLoggingCounter,XmitLogVector.size(),
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_xor, XmitLogVector[XmitLoggingCounter]); fflush(stderr);
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if ( !ContinueOnFail ) assert(0);
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ErrorCounter++;
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} else {
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if ( PrintEntireLog ) {
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std::cerr<<"FlightRecorder::XmitLog : VALID "<< XmitLoggingCounter <<" "<< std::hexfloat << _xor << " "<< XmitLogVector[XmitLoggingCounter] <<std::endl;
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}
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}
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}
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if ( XmitLogVector.size()==XmitLoggingCounter ) {
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std::cout << "FlightRecorder::ReductionLog : Verified entire sequence of "<<XmitLoggingCounter<<" sends "<<std::endl;
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}
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XmitLoggingCounter++;
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}
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#endif
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} else {
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uint64_t word = 1;
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deviceVector<uint64_t> dev(1);
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acceleratorCopyToDevice(&word,&dev[0],sizeof(uint64_t));
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acceleratorCopySynchronise();
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MPI_Barrier(MPI_COMM_WORLD);
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}
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}
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void FlightRecorder::recvLog(void *buf,uint64_t bytes,int rank)
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{
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if ( ChecksumComms ){
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uint64_t *ubuf = (uint64_t *)buf;
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if(LoggingMode == LoggingModeNone) return;
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#ifdef GRID_SYCL
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uint64_t _xor = svm_xor(ubuf,bytes/sizeof(uint64_t));
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if(LoggingMode == LoggingModePrint) {
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std::cerr<<"FlightRecorder::recvLog : "<< RecvLoggingCounter <<" "<< std::hex << _xor <<std::dec <<std::endl;
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RecvLoggingCounter++;
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}
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if(LoggingMode == LoggingModeRecord) {
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std::cerr<<"FlightRecorder::recvLog RECORD : "<< RecvLoggingCounter <<" "<< std::hex << _xor <<std::dec <<std::endl;
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RecvLogVector.push_back(_xor);
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RecvLoggingCounter++;
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}
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if(LoggingMode == LoggingModeVerify) {
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if(RecvLoggingCounter < RecvLogVector.size()){
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if ( _xor != RecvLogVector[RecvLoggingCounter] ) {
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fprintf(stderr,"%s:%d Oops, recv buf difference! Reproduce failure for recv %d/%zu %lx expect glb %lx from MPI rank %d\n",
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GridHostname(),
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GlobalSharedMemory::WorldShmRank,
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RecvLoggingCounter,RecvLogVector.size(),
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_xor, RecvLogVector[RecvLoggingCounter],rank); fflush(stderr);
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if ( !ContinueOnFail ) assert(0);
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ErrorCounter++;
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} else {
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if ( PrintEntireLog ) {
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std::cerr<<"FlightRecorder::RecvLog : VALID "<< RecvLoggingCounter <<" "<< std::hexfloat << _xor << " "<< RecvLogVector[RecvLoggingCounter] <<std::endl;
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}
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}
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}
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if ( RecvLogVector.size()==RecvLoggingCounter ) {
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std::cout << "FlightRecorder::ReductionLog : Verified entire sequence of "<<RecvLoggingCounter<<" sends "<<std::endl;
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}
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RecvLoggingCounter++;
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}
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#endif
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}
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}
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NAMESPACE_END(Grid);
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