Date: 03 Nov 1997 09:10:10 +0100 From: Wolfram Schneider <wosch@cs.tu-berlin.de> To: Chuck Robey <chuckr@Glue.umd.edu> Cc: Wolfram Schneider <wosch@cs.tu-berlin.de>, "Jordan K. Hubbard" <jkh@time.cdrom.com>, smp@freebsd.org Subject: Re: Some SMP timing tests. Message-ID: <p1i7maqgzz1.fsf@panke.panke.de> In-Reply-To: Chuck Robey's message of Sun, 2 Nov 1997 16:12:47 -0500 (EST) References: <Pine.BSF.3.96.971102160833.1115E-100000@picnic.mat.net>
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Chuck Robey <chuckr@Glue.umd.edu> writes: > OK, I tried it. I started with no obj at all, did a make obj outside the > timing loop, just so that I knew it was completely clean. This goes for > both runs. The first one is before the patches were inserted, the second > one after. Both on a Tyan Titan II, 2 each PPro 166's e/w 512K cache > each, 64 Megs main memory. I have set the source on the first disk, the > obj on the second, and swap evenly distributed between the two. Here's > the results: > > before patching-> > > /usr/bin/time -l make -j 12 buildworld: > 5389.14 real 3229.98 user 2902.01 sys > With patched Makefile and bsd.subdir.mk, same command: > 2780.55 real 1696.39 user 1571.73 sys I doubt that the patch can reduce the time up to 50%. -- Wolfram Schneider <wosch@apfel.de> http://www.apfel.de/~wosch/
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