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.


More information about the Digitalmars-d mailing list