This is a very valid point, and there is even anecdotal evidence that operations we expect to be deterministic may not always be so.[1] Just because ADD works

This is a very valid point, and there is even anecdotal evidence that operations we expect to be deterministic may not always be so.[1] Just because ADD works as documented in most scenarios doesn't mean we can verify that it will always work as documented in every scenario. [1]: https://techreport.com/review/17732/intel-graphics-drivers-employ-questionable-3dmark-vantage-optimizations/ https://techreport.com/review/17732/intel-graphics-drivers-e...