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? Linus - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/