Path: utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!gatech!psuvax1!schwartz@shire.cs.psu.edu From: schwartz@shire.cs.psu.edu (Scott Schwartz) Newsgroups: comp.unix.wizards Subject: Re: open() speed (was Blocking for disk I/O) Summary: Benchmarks? We just _love_ benchmarks. Keywords: open(2), 4.2 BSD, Fuzz Message-ID: <4596@psuvax1.cs.psu.edu> Date: 21 May 89 23:59:24 GMT References: <17643@mimsy.UUCP> <159@zebra.UUCP> <1608@auspex.auspex.com> <2@minya.UUCP> <8295@june.cs.washington.edu> <2491@shlump.dec.com> Sender: news@psuvax1.cs.psu.edu Reply-To: schwartz@shire.cs.psu.edu (Scott Schwartz) Organization: Pennsylvania State University, Computer Science Lines: 25 In-reply-to: thomas@mipsbx.nac.dec.com (Matt Thomas) 1000 open's and closes: Kenneth Almquist writes: 17.3 real 0.0 user 3.2 sys This is on an otherwise idle system running Ultrix 3.0, a 4.2 BSD Chris Torek writes: 0.1u 0.9s 0:01 84% 1+3k 0+0io 2pf+0w 4.3BSD > Ultrix ... ? Matt Thomas writes: VAX 6220 (Ultrix V3.0, RA82): 0.0u 1.1s 0:00 120% 1+5k 0+1io 0pf+0w DS3100 (Ultrix V3.1, RZ23): 0.0u 0.2s 0:00 100% 10+21k 0+0io 0pf+0w uVAX II (Ultrix V3.0, RA81): 0.0u 2.8s 0:02 100% 1+5k 0+0io 0pf+0w VAX 8700 (Ultrix V3.1, RA81): 0.0u 0.5s 0:00 83% 1+5k 0+0io 0pf+0w VAX 8700 (Ultrix V3.1, RA81+NFS): 0.0u 1.8s 0:07 26% 2+6k 0+0io 0pf+0w I write: Sun3/60 (SunOS4.0, NFS): 0.0u 2.4s 0:07 34% 0+80k 0+0io 0pf+0w Sun4/260 (SunOS4.0, Eagle): 0.0u 0.2s 0:00 110% 0+152k 0+0io 0pf+0w Sun4/280 (SunOS4.0, NFS): 0.0u 1.8s 0:04 40% 0+160k 0+0io 0pf+0w -- Scott Schwartz