d94ef63cb3
calloc is generally faster than zeroing separately after a regular allocation. Our allocator API exposed an allocation call with "calloc" in the name that didn't actually use "calloc" because it had an alignment argument (there is no standardized calloc-with-alignment provided by the OS). However, we can still use calloc internally if the alignment fits within the default. That just aligns the function better with performance expectations. Pull Request: https://projects.blender.org/blender/blender/pulls/139749
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