From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kyle McMartin Subject: Re: Terrible PA8800 SMP Performance Date: Sun, 20 Jan 2008 15:10:42 -0500 Message-ID: <20080120201042.GA1781@phobos.i.cabal.ca> References: <200801201955.m0KJtIer026663@hiauly1.hia.nrc.ca> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-parisc@vger.kernel.org To: John David Anglin Return-path: In-Reply-To: <200801201955.m0KJtIer026663@hiauly1.hia.nrc.ca> List-ID: List-Id: linux-parisc.vger.kernel.org On Sun, Jan 20, 2008 at 02:55:18PM -0500, John David Anglin wrote: > I've been doing GCC builds on a four processor PA8800 currently > running 2.6.24-rc6. With make -j 6 bootstrap, this machine is > several hours slower than gsyprf11 doing the same GCC build and > check. gsyprf11 is a two processor PA8700 and I typically > use make -j 4 on it. The PA8800 is also slower than my c3750. > flushing 32MB of cache on every fork and exec? :/ cheers, kyle