[PATCH] Another tweak to the multiplication algorithm

Joseph S. Myers joseph@codesourcery.com
Fri Feb 15 00:49:00 GMT 2013


On Fri, 15 Feb 2013, Siddhesh Poyarekar wrote:

> 1) Loop terminating condition check
> 2) Increment i
> 3) Decrement j

With a properly unrolled and scheduled loop, I'd hope there would be no 
significant per-iteration cost for any of these steps, which I think makes 
the number of operations the same in both cases.

-- 
Joseph S. Myers
joseph@codesourcery.com



More information about the Libc-alpha mailing list