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Add runtime.conditional_mem_zero to improve heap_allocator performance on non-Windows systems

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gingerBill
2025-09-27 09:58:28 +01:00
parent 0eaf3ee7cd
commit ac01d1b5bf
2 changed files with 56 additions and 4 deletions
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base/runtime/heap_allocator.odin
+6 -4
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@@ -71,10 +71,12 @@ heap_allocator_proc :: proc(allocator_data: rawptr, mode: Allocator_Mode,
new_memory = aligned_alloc(new_size, new_alignment, p, old_size, zero_memory) or_return
// NOTE: heap_resize does not zero the new memory, so we do it
if zero_memory && new_size > old_size {
new_region := raw_data(new_memory[old_size:])
intrinsics.mem_zero(new_region, new_size - old_size)
when ODIN_OS != .Windows {
// NOTE: heap_resize does not zero the new memory, so we do it
if zero_memory && new_size > old_size {
new_region := raw_data(new_memory[old_size:])
conditional_mem_zero(new_region, new_size - old_size)
}
}
return
}