Messages in this thread | | | Date | Wed, 07 Mar 2007 18:55:39 -0800 (PST) | Subject | Re: [PATCH] tcp_cubic: use 32 bit math | From | David Miller <> |
| |
From: Stephen Hemminger <shemminger@linux-foundation.org> Date: Wed, 7 Mar 2007 17:07:31 -0800
> The basic calculation has to be done in 32 bits to avoid > doing 64 bit divide by 3. The value x is only 22bits max > so only need full 64 bits only for x^2. > > Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Applied, thanks Stephen.
What about Willy Tarreau's supposedly even faster variant? Or does this incorporate that set of improvements? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |