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Add current memory usage statistic (#6192 partial)

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This commit is contained in:
Wilson Snyder
2025-07-24 08:36:58 +02:00
parent 460bfbf181
commit db5b2669fc
7 changed files with 44 additions and 25 deletions
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src/V3StatsReport.cpp
+7 -3
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@@ -215,8 +215,10 @@ void V3Stats::statsStage(const string& name) {
V3Stats::addStatPerf("Stage, Elapsed time (sec), " + digitName, wallTimeDelta);
V3Stats::addStatPerf("Stage, Elapsed time (sec), TOTAL", wallTimeDelta);
const double memory = VlOs::memPeakUsageBytes() / 1024.0 / 1024.0;
V3Stats::addStatPerf("Stage, Memory (MB), " + digitName, memory);
uint64_t memPeak, memCurrent;
VlOs::memUsageBytes(memPeak /*ref*/, memCurrent /*ref*/);
V3Stats::addStatPerf("Stage, Memory current (MB), " + digitName, memCurrent / 1024.0 / 1024.0);
V3Stats::addStatPerf("Stage, Memory peak (MB), " + digitName, memPeak / 1024.0 / 1024.0);
}
void V3Stats::infoHeader(std::ofstream& os, const string& prefix) {
@@ -266,7 +268,9 @@ void V3Stats::summaryReport() {
<< ", cvt=" << walltimeCvt << ", bld=" << walltimeBuild << "); cpu " << cputime
<< " s on " << std::max(v3Global.opt.verilateJobs(), v3Global.opt.buildJobs())
<< " threads";
const double memory = VlOs::memPeakUsageBytes() / 1024.0 / 1024.0;
uint64_t memPeak, memCurrent;
VlOs::memUsageBytes(memPeak /*ref*/, memCurrent /*ref*/);
const double memory = memPeak / 1024.0 / 1024.0;
if (VL_UNCOVERABLE(memory != 0.0)) std::cout << "; alloced " << memory << " MB";
std::cout << "\n";
}