On Tue, Mar 06, 2007 at 08:20:52PM -0800, David Miller wrote: > From: Stephen Hemminger <[EMAIL PROTECTED]> > Date: Tue, 6 Mar 2007 14:47:06 -0800 > > > The Newton-Raphson method is quadratically convergent so > > only a small fixed number of steps are necessary. > > Therefore it is faster to unroll the loop. Since div64_64 is no longer > > inline it won't cause code explosion. > > > > Also fixes a bug that can occur if x^2 was bigger than 32 bits. > > > > Signed-off-by: Stephen Hemminger <[EMAIL PROTECTED]> > > Applied, thanks Stephen.
Well that still needs the ugly div64_64 function. At least my goal was to eliminate that, not make it faster (I don't see any evidence this function is particularly performance critical). You prefer to keep div64_64? -Andi - 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/
