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search regions always from the lowest index

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daan 2019-08-26 12:41:59 -07:00
parent 8b06ab1e49
commit 3d8c331a1c
1 changed files with 1 additions and 1 deletions
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src/memory.c
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@ -318,7 +318,7 @@ void* _mi_mem_alloc_aligned(size_t size, size_t alignment, bool commit, size_t*
// find a range of free blocks // find a range of free blocks
void* p = NULL; void* p = NULL;
size_t count = mi_atomic_read(&regions_count); size_t count = mi_atomic_read(&regions_count);
size_t idx = tld->region_idx; // start index is per-thread to reduce contention size_t idx = 0; // tld->region_idx; // start index is per-thread to reduce contention
for (size_t visited = 0; visited < count; visited++, idx++) { for (size_t visited = 0; visited < count; visited++, idx++) {
if (idx >= count) idx = 0; // wrap around if (idx >= count) idx = 0; // wrap around
if (!mi_region_try_alloc_blocks(idx, blocks, size, commit, &p, id, tld)) return NULL; // error if (!mi_region_try_alloc_blocks(idx, blocks, size, commit, &p, id, tld)) return NULL; // error