M1 10x faster than Intel at integral division, throughput one 64-bit divide in two cycles
Ola Fosheim Grostad
ola.fosheim.grostad at gmail.com
Thu May 27 17:31:38 UTC 2021
On Thursday, 27 May 2021 at 17:20:41 UTC, Max Haughton wrote:
> Not pipelined!?
On older Intel CPUs integer divide started to use parts of
floating point divide logic to save space. Still pipelined... But
ineffective.
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