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improve aligned allocation performance

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daan 2021-12-17 13:18:05 -08:00
parent 684c2c82a7
commit 89f583a69b
5 changed files with 108 additions and 43 deletions
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5
include/mimalloc-internal.h
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@ -247,11 +247,6 @@ static inline size_t _mi_wsize_from_size(size_t size) {
return (size + sizeof(uintptr_t) - 1) / sizeof(uintptr_t);
}
// Does malloc satisfy the alignment constraints already?
static inline bool mi_malloc_satisfies_alignment(size_t alignment, size_t size) {
return (alignment == sizeof(void*) || (alignment == MI_MAX_ALIGN_SIZE && size > (MI_MAX_ALIGN_SIZE/2)));
}
// Overflow detecting multiply
#if __has_builtin(__builtin_umul_overflow) || (defined(__GNUC__) && (__GNUC__ >= 5))
#include <limits.h> // UINT_MAX, ULONG_MAX