Draft: lvp: Bump minimum-maximum subgroup size to 32
Essentially all GPUs support this size, thus essentially all middleware assumes this size is usable. llvmpipe's code generation might not be optimal for it, but that's better than not working.
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Essentially all GPUs support this size, thus essentially all middleware assumes this size is usable. llvmpipe's code generation might not be optimal for it, but that's better than not working.