M1 10x faster than Intel at integral division, throughput one 64-bit divide in two cycles

Ola Fosheim Grøstad ola.fosheim.grostad at gmail.com
Fri May 14 08:13:49 UTC 2021


On Thursday, 13 May 2021 at 22:40:06 UTC, Ola Fosheim Grøstad 
wrote:
> And in this "benchmark" the division could've been moved out of 
> the inner loop by a less-than-braindead compiler.

Eh, no. I was wrong. Moral: never program right before bedtime.



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