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secondo/Algebras/Pregel/Helpers/Metrics.cpp
2026-01-23 17:03:45 +08:00

168 lines
4.6 KiB
C++

/*
----
This file is part of SECONDO.
Copyright (C) 2004, University in Hagen, Department of Computer Science,
Database Systems for New Applications.
SECONDO is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
SECONDO is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with SECONDO; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
----
//paragraph [1] Title: [{\Large \bf \begin {center}] [\end {center}}]
//[TOC] [\tableofcontents]
[1] Header File of the class ~PregelAlgebra~
November 2018, J. Mende
[TOC]
1 Overview
This file defines the members of class Metrics
*/
#include "Metrics.h"
namespace pregel {
Metrics Metrics::singleton = Metrics();
Metrics::Report Metrics::report() {
using namespace std::chrono;
auto report = Report();
auto superstep = SuperstepCounter::get();
report.messagesSentOverNetwork = messagesSentOverNetwork;
report.messagesQueuedDirectly = messagesQueuedDirectly;
report.messagesSentPerSuperstep =
(superstep != 0) ?
(messagesSentOverNetwork + messagesQueuedDirectly) / (double) superstep : 0;
report.messagesReceived = messagesReceived;
report.messagesReceivedPerSuperstep =
(superstep != 0) ?
messagesReceived / (double) superstep : 0;
report.messagesDiscarded = messagesDiscarded;
report.timeIdle =
duration_cast<milliseconds>(timeIdle).count() / (double) 1000;
report.timeProductive =
duration_cast<milliseconds>(timeProductive).count() / (double) 1000;
auto timeTotal = timeProductive + timeIdle;
report.productivity =
(timeTotal != TIME_ZERO) ?
timeProductive.count() / (double) timeTotal.count() : 0;
return report;
}
void Metrics::sentMessage() {
++messagesSentOverNetwork;
}
void Metrics::queuedMessage() {
++messagesQueuedDirectly;
}
void Metrics::receivedMessage() {
++messagesReceived;
}
void Metrics::discardedMessage() {
++messagesDiscarded;
}
void Metrics::startClock(bool productive) {
using namespace std::chrono;
if (stopWatch.clock != TIME_ZERO) {
std::cerr << "Was already counting something\n";
}
stopWatch.countingProductiveTime = productive;
stopWatch.clock = duration_cast<milliseconds>(
system_clock::now().time_since_epoch()
);
}
void Metrics::stopClock() {
using namespace std::chrono;
if (stopWatch.clock == TIME_ZERO) {
std::cerr << "Wasn't counting\n";
return;
}
auto now = duration_cast<milliseconds>(
system_clock::now().time_since_epoch()
);
auto duration = now - stopWatch.clock;
if (stopWatch.countingProductiveTime) {
timeProductive += duration;
} else {
timeIdle += duration;
}
stopWatch.clock = TIME_ZERO;
}
Metrics &Metrics::get() {
return singleton;
}
void Metrics::Report::print(std::stringstream &sstream) {
sstream << " == Metrics ==" << std::endl;
sstream << " Messages sent over network : " <<
messagesSentOverNetwork << std::endl;
sstream << " queued directly : " <<
messagesQueuedDirectly << std::endl;
sstream << " per Superstep : " <<
messagesSentPerSuperstep << std::endl;
sstream << " Messages received : " <<
messagesReceived << std::endl;
sstream << " per Superstep : " <<
messagesReceivedPerSuperstep << std::endl;
sstream << " Messages discarded : " <<
messagesDiscarded << std::endl;
sstream << std::endl;
sstream << " Time productive : " <<
timeProductive << "s" << std::endl;
sstream << " Time idle : " <<
timeIdle << "s" << std::endl;
sstream << " Productivity : " <<
(100.0 * productivity) << "%" << std::endl;
sstream << std::endl;
}
void Metrics::Report::fill(PregelStatus2Helper& ps2h){
ps2h.setMessagesSent(messagesSentOverNetwork);
ps2h.setMessagesDirect(messagesQueuedDirectly);
ps2h.setMessagesSentPerSuperstep(messagesSentPerSuperstep);
ps2h.setMessagesReceived(messagesReceived);
ps2h.setMessagesReceivedPerSuperStep(messagesReceivedPerSuperstep);
ps2h.setMessagesDiscarded(messagesDiscarded);
ps2h.setTimeProductive(timeProductive);
ps2h.setTimeIdle(timeIdle);
ps2h.setProductivity(100.0 * productivity);
}
}