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Experimental tweaks

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This commit is contained in:
Justin Ethier 2018-07-31 13:42:50 -04:00
parent 3369214c30
commit 7631607d87
1 changed files with 5 additions and 3 deletions
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8
gc.c
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@ -963,7 +963,7 @@ int gc_grow_heap(gc_heap * h, int heap_type, size_t size, size_t chunk_size, gc_
h_last = h_last->next; h_last = h_last->next;
} }
} else if (heap_type == HEAP_SM || heap_type == HEAP_64) { } else if (heap_type == HEAP_SM || heap_type == HEAP_64) {
new_size = gc_heap_align(4096); // Completely insane(?), match linux page size new_size = gc_heap_align(64 * 4096); // Completely insane(?), match linux page size
} else { } else {
// Grow heap gradually using fibonnaci sequence. // Grow heap gradually using fibonnaci sequence.
size_t prev_size = GROW_HEAP_BY_SIZE; size_t prev_size = GROW_HEAP_BY_SIZE;
@ -1375,8 +1375,10 @@ fprintf(stderr, "slow alloc of %p\n", result);
#endif #endif
if (result) { if (result) {
// Check if we need to start a major collection // Check if we need to start a major collection
if (heap_type != HEAP_HUGE && h_passed->num_unswept_children < if (heap_type != HEAP_HUGE &&
GC_COLLECT_UNDER_UNSWEPT_HEAP_COUNT) { ((try_alloc == &gc_try_alloc_fixed_size && // Fixed-size object heap
h_passed->num_unswept_children < (GC_COLLECT_UNDER_UNSWEPT_HEAP_COUNT * 128)) ||
h_passed->num_unswept_children < GC_COLLECT_UNDER_UNSWEPT_HEAP_COUNT)) {
gc_start_major_collection(thd); gc_start_major_collection(thd);
} }
} else { } else {