123 lines
3.7 KiB
C++
123 lines
3.7 KiB
C++
/*
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----
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This file is part of SECONDO.
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Copyright (C) 2019,
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Faculty of Mathematics and Computer Science,
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Database Systems for New Applications.
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SECONDO 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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SECONDO 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
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along with SECONDO; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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----
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//[<] [\ensuremath{<}]
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//[>] [\ensuremath{>}]
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\setcounter{tocdepth}{2}
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\tableofcontents
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*/
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#include <assert.h>
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#include <iostream>
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#include <iomanip>
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#include "MergerStats.h"
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#include "Utils.h"
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using namespace cdacspatialjoin;
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using namespace std;
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/*
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1 MergerStats struct
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*/
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#ifdef CDAC_SPATIAL_JOIN_METRICS
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unique_ptr<MergerStats> MergerStats::onlyInstance(new MergerStats());
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#endif
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MergerStats::MergerStats() :
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reportPairsCount(0),
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reportPairsSubCount(0),
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reportPairsSub1Count(0),
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reportPairsSub11Count(0),
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loopStats {0} {
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}
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void MergerStats::add(size_t cycleCount) {
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unsigned lbCycleCount = 0; // the binary logarithm of cycleCount
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while (cycleCount != 0) {
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++lbCycleCount;
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cycleCount >>= 1U;
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}
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assert (lbCycleCount < LOOP_STATS_COUNT);
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++loopStats[lbCycleCount];
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}
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void MergerStats::reset() {
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reportPairsCount = 0;
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reportPairsSubCount = 0;
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reportPairsSub1Count = 0;
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reportPairsSub11Count = 0;
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for (unsigned i = 0; i < LOOP_STATS_COUNT; ++i)
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loopStats[i] = 0;
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}
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void MergerStats::report(std::ostream& out) const {
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unsigned lastEntry = 0;
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uint64_t totalLoopCount = 0;
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for (unsigned i = 0; i < LOOP_STATS_COUNT; ++i) {
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if (loopStats[i] > 0) {
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lastEntry = i;
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totalLoopCount += loopStats[i];
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}
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}
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if (lastEntry > 0) {
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cout << endl << "Statistics for Merger::reportPairs(): "
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<< formatInt(reportPairsCount) << " calls; " << endl;
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const uint64_t subSum = reportPairsSubCount + reportPairsSub1Count +
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reportPairsSub11Count;
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cout << "Statistics for Merger::reportPairsSub(): "
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<< formatInt(subSum) << " calls total: " << endl;
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cout << setw(14) << formatInt(reportPairsSubCount) << " calls "
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<< "(" << reportPairsSubCount * 100.0 / subSum << " %) "
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<< "with multiple edges in both sets + " << endl;
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cout << setw(14) << formatInt(reportPairsSub1Count) << " calls "
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<< "(" << reportPairsSub1Count * 100.0 / subSum << " %) "
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<< "with only one edge in either of the sets + " << endl;
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cout << setw(14) << formatInt(reportPairsSub11Count) << " calls "
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<< "(" << reportPairsSub11Count * 100.0 / subSum << " %) "
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<< "with only one edge in both of the sets" << endl;
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cout << "In a total of " << formatInt(totalLoopCount) << " loops "
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<< "in reportPairsSub() (multiple edges), the cycle count was ..."
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<< endl;
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uint64_t cycleCount = 1;
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for (unsigned i = 0; i <= lastEntry; ++i) {
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if (i == 0 && loopStats[i] == 0)
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continue; // skip this if such while loops are prevented
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cout << "< " << setw(7) << formatInt(cycleCount) << ": "
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<< setw(14) << formatInt(loopStats[i]) << " loops"
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<< " (" << loopStats[i] * 100.0 / totalLoopCount << " %)" << endl;
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cycleCount <<= 1U;
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}
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cout << endl;
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}
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}
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