GH-126491: GC: Mark objects reachable from roots before doing cycle collection (GH-126502)

* Mark almost all reachable objects before doing collection phase

* Add stats for objects marked

* Visit new frames before each increment

* Remove lazy dict tracking

* Update docs

* Clearer calculation of work to do.
This commit is contained in:
Mark Shannon 2024-11-18 14:31:26 +00:00 committed by GitHub
parent a1d9c8aa80
commit b0fcc2c47a
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21 changed files with 332 additions and 330 deletions

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@ -230,6 +230,8 @@ print_gc_stats(FILE *out, GCStats *stats)
for (int i = 0; i < NUM_GENERATIONS; i++) {
fprintf(out, "GC[%d] collections: %" PRIu64 "\n", i, stats[i].collections);
fprintf(out, "GC[%d] object visits: %" PRIu64 "\n", i, stats[i].object_visits);
fprintf(out, "GC[%d] objects reachable from roots: %" PRIu64 "\n", i, stats[i].objects_transitively_reachable);
fprintf(out, "GC[%d] objects not reachable from roots: %" PRIu64 "\n", i, stats[i].objects_not_transitively_reachable);
fprintf(out, "GC[%d] objects collected: %" PRIu64 "\n", i, stats[i].objects_collected);
}
}