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make target test for stealing one less since we are about to reclaim_or_alloc a fresh segment

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Daan 2024-10-11 10:52:35 -07:00
parent 19ce2c6461
commit 81da26d7d3
1 changed files with 3 additions and 2 deletions
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5
src/segment.c
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@ -1424,9 +1424,10 @@ static void mi_segment_force_abandon(mi_segment_t* segment, mi_segments_tld_t* t
// this should be called from `reclaim_or_alloc` so we know all segments are (about) fully in use.
static void mi_segments_try_abandon(mi_heap_t* heap, mi_segments_tld_t* tld) {
const size_t target = (size_t)mi_option_get_clamp(mi_option_target_segments_per_thread,0,1024);
if (target == 0 || tld->count <= target) return;
// we call this when we are about to add a fresh segment so we should be under our target segment count.
if (target == 0 || tld->count < target) return;
const size_t min_target = (target > 4 ? (target*3)/4 : target); // 75%
const size_t min_target = (target > 4 ? (target*3)/4 : target); // 75%
// todo: we should maintain a list of segments per thread; for now, only consider segments from the heap full pages
for (int i = 0; i < 16 && tld->count >= min_target; i++) {