Messages in this thread | | | Date | Tue, 6 Mar 2007 09:19:30 -0800 (PST) | From | Linus Torvalds <> | Subject | Re: [patch v2] epoll use a single inode ... |
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On Tue, 6 Mar 2007, Eric Dumazet wrote: > > Something like : > > [PATCH] : Use reciprocal divides in sprintf()
Try this on Core 2, and I suspect that you'll find that the hardware is actually *faster* than doing the shift/test, function call and the two multiplies.
> Using reciprocal divides permits to change each divide by two multiplies, less > expensive on current CPUS.
Are you sure?
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