Path: utzoo!utgpu!news-server.csri.toronto.edu!bonnie.concordia.ca!uunet!edi386!eddjp From: eddjp@edi386.UUCP ( Dewey Paciaffi ) Newsgroups: comp.benchmarks Subject: Re: Sparcstation 2 Write I/O Message-ID: <155@edi386.UUCP> Date: 18 Feb 91 12:33:56 GMT References: <152@edi386.UUCP> <1991Feb16.145828.12539@maths.tcd.ie> Reply-To: eddjp@edi386.UUCP ( Dewey Paciaffi ) Organization: J.M. Huber Corp., Edison,NJ Lines: 18 In article <1991Feb16.145828.12539@maths.tcd.ie> ajudge@maths.tcd.ie (Alan Judge) writes: -In <152@edi386.UUCP> eddjp@edi386.UUCP ( Dewey Paciaffi ) writes: ->I've found an anomaly I can't explain on my borrowed Sparcstation 2. ->I've been running the Byte Magazine Benchmarks and the file I/O times ->were surprisingly low, around 270 kb / sec. on read and writes. - -Just for reference, I tried using dd with a bs=1024k (big) to create and read -100Mb files. Machine was a plain SS2, with a Hitachi 1.2Gb disk. - -I got about 1.5 Mb/s writing, and 2.1Mb/s reading. I've also gotten similar results dd and mkfile. Unfortunately all of my programs use the write system call, and it only does about 270 kb on a quiet system, using SunOs 4.1.1. My 386 does about half as good, and my RS/6000 gets about 3 MB on the writes on a quiet system... -- Dewey Paciaffi ...!uunet!edi386!eddjp