Will shift, shift, and add be slower or faster than a divide instruction on mach... | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

		kragen 8 days ago \| parent \| context \| favorite \| on: You can't fool the optimizer Will shift, shift, and add be slower or faster than a divide instruction on machines with a divide instruction?

SkiFire13 7 days ago [–]

Most likely no, division instructins generally take as much as 10-20 other arithmetic/logic instruction.

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact