From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from d1o43.telia.com (d1o43.telia.com [194.22.195.241]) by mailf.telia.com (8.9.3/8.9.3) with ESMTP id XAA10132 for ; Sat, 10 Feb 2001 23:30:06 +0100 (CET) Received: from dox (t4o43p15.telia.com [194.22.195.195]) by d1o43.telia.com (8.10.2/8.10.1) with SMTP id f1AMU5B24827 for ; Sat, 10 Feb 2001 23:30:06 +0100 (CET) Content-Type: text/plain; charset="iso-8859-1" From: Roger Larsson Subject: mmap002 execution time doubled... good or bad sign? Date: Sat, 10 Feb 2001 23:23:19 +0100 MIME-Version: 1.0 Message-Id: <01021023231906.02374@dox> Content-Transfer-Encoding: 8bit Sender: owner-linux-mm@kvack.org Return-Path: To: linux-mm@kvack.org List-ID: Hi, I have been running various stress tests on disk for some time. streaming write, copy, read, diff, dbench and mmap002 This is what I have seen: >>From 2.4.0 to 2.4.1 with Marcelos patch write were above 10 MB/s and read >13 MB/s, dbench > 10 MB/s, mmap took around 2m30. After 2.4.1-pre8 (did not test anything in between) Write is at 9-10 [lost 1 MB/s] read is down to 11-12 MB/s [lost 2 MB/s] dbench > 9 MB/s [one MB/s there too] But the really strange one - mmap002 now takes > 4m30 Is this expected / good behaviour? mmap002 abuses mmaps... /RogerL -- Home page: none currently -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux.eu.org/Linux-MM/