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better padding implementation, more precise statistics

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daan 2020-01-31 20:34:24 -08:00
parent 8422ab125d
commit 68112a2751
7 changed files with 89 additions and 65 deletions
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src/alloc-aligned.c
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@ -25,7 +25,7 @@ static void* mi_heap_malloc_zero_aligned_at(mi_heap_t* const heap, const size_t
const uintptr_t align_mask = alignment-1; // for any x, `(x & align_mask) == (x % alignment)`
// try if there is a small block available with just the right alignment
if (mi_likely(size <= (MI_SMALL_SIZE_MAX - MI_PADDING_SIZE))) {
if (mi_likely(size <= MI_SMALL_SIZE_MAX)) {
mi_page_t* page = _mi_heap_get_free_small_page(heap,size + MI_PADDING_SIZE);
const bool is_aligned = (((uintptr_t)page->free+offset) & align_mask)==0;
if (mi_likely(page->free != NULL && is_aligned))