Date: Thu, 24 Apr 1997 21:40:49 +0200 From: Poul-Henning Kamp <phk@dk.tfs.com> To: dg@root.com Cc: Narvi <narvi@haldjas.folklore.ee>, Poul-Henning Kamp <phk@dk.tfs.com>, fs@freebsd.org Subject: Re: the namei cache... Message-ID: <1303.861910849@critter> In-Reply-To: Your message of "Thu, 24 Apr 1997 12:34:49 PDT." <199704241934.MAA10488@root.com>
next in thread | previous in thread | raw e-mail | index | archive | help
In message <199704241934.MAA10488@root.com>, David Greenman writes: >>about 1/4th of the additions. Getting reed of the div wouldn't also be bad >>but might not be worth it. > > Not worth it? At greater than 50 cycles, the divide is more expensive >than the entire add loop. But loosing the hash entirely is >even< faster, right ? :-) -- Poul-Henning Kamp | phk@FreeBSD.ORG FreeBSD Core-team. http://www.freebsd.org/~phk | phk@login.dknet.dk Private mailbox. whois: [PHK] | phk@tfs.com TRW Financial Systems, Inc. Power and ignorance is a disgusting cocktail.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?1303.861910849>