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add start offset to pages to reduce cache/page effects

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This commit is contained in:
Daan Leijen
2021-10-02 11:13:00 -07:00
parent 262022c1d1
commit e6b58052da
4 changed files with 15 additions and 9 deletions
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src/alloc-aligned.c
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@@ -41,7 +41,7 @@ static void* mi_heap_malloc_zero_aligned_at(mi_heap_t* const heap, const size_t
}
// use regular allocation if it is guaranteed to fit the alignment constraints
if (offset==0 && alignment<=padsize && padsize<=MI_MEDIUM_OBJ_SIZE_MAX && (padsize&align_mask)==0) {
if (offset==0 && alignment<=padsize && padsize<=MI_MAX_ALIGN_GUARANTEE && (padsize&align_mask)==0) {
void* p = _mi_heap_malloc_zero(heap, size, zero);
mi_assert_internal(p == NULL || ((uintptr_t)p % alignment) == 0);
return p;