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Add timing stats for IdString garbage collection

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This commit is contained in:
Robert O'Callahan 2025-10-17 12:15:53 +13:00 • committed by Robert O'Callahan
parent cd47727c8b
commit 7371388e1d
5 changed files with 22 additions and 0 deletions
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8
kernel/rtlil.cc
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@ -243,8 +243,12 @@ struct IdStringCollector {
std::unordered_set<int> live;
};
int64_t RTLIL::OwningIdString::gc_ns;
int RTLIL::OwningIdString::gc_count;
void RTLIL::OwningIdString::collect_garbage()
{
int64_t start = PerformanceTimer::query();
#ifndef YOSYS_NO_IDS_REFCNT
IdStringCollector collector;
for (auto &[idx, design] : *RTLIL::Design::get_all_designs()) {
@ -288,6 +292,10 @@ void RTLIL::OwningIdString::collect_garbage()
it = global_autoidx_id_prefix_storage_.erase(it);
}
#endif
int64_t time_ns = PerformanceTimer::query() - start;
Pass::subtract_from_current_runtime_ns(time_ns);
gc_ns += time_ns;
++gc_count;
}
dict<std::string, std::string> RTLIL::constpad;