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GC improvements

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This commit is contained in:
Doug Hoyte
2023-01-29 15:52:27 -05:00
parent ee612416e0
commit 5117485ebf
7 changed files with 62 additions and 26 deletions
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37
src/gc.h Normal file
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#pragma once
#include <parallel_hashmap/phmap.h>
#include "golpe.h"
#include "render.h"
inline void quadrableGarbageCollect(quadrable::Quadrable &qdb, int logLevel = 0) {
quadrable::Quadrable::GarbageCollector<phmap::flat_hash_set<uint64_t>> gc(qdb);
quadrable::Quadrable::GCStats stats;
if (logLevel >= 2) LI << "Running garbage collection";
{
auto txn = env.txn_ro();
if (logLevel >= 2) LI << "GC: mark phase";
gc.markAllHeads(txn);
if (logLevel >= 2) LI << "GC: sweep phase";
stats = gc.sweep(txn);
}
if (logLevel >= 2) {
LI << "GC: Total nodes: " << stats.total;
LI << "GC: Garbage nodes: " << stats.garbage << " (" << renderPercent((double)stats.garbage / stats.total) << ")";
}
if (stats.garbage) {
auto txn = env.txn_rw();
if (logLevel >= 1) LI << "GC: deleting " << stats.garbage << " garbage nodes";
gc.deleteNodes(txn);
txn.commit();
}
}