From owner-freebsd-current Sun Jan 26 13:10:54 1997 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.5/8.8.5) id NAA24421 for current-outgoing; Sun, 26 Jan 1997 13:10:54 -0800 (PST) Received: from godzilla.zeta.org.au (godzilla.zeta.org.au [203.2.228.19]) by freefall.freebsd.org (8.8.5/8.8.5) with ESMTP id NAA24413 for ; Sun, 26 Jan 1997 13:10:51 -0800 (PST) Received: (from bde@localhost) by godzilla.zeta.org.au (8.8.3/8.6.9) id IAA08711; Mon, 27 Jan 1997 08:10:38 +1100 Date: Mon, 27 Jan 1997 08:10:38 +1100 From: Bruce Evans Message-Id: <199701262110.IAA08711@godzilla.zeta.org.au> To: bde@zeta.org.au, phk@critter.dk.tfs.com Subject: Re: exec bug Cc: current@FreeBSD.org, dg@root.com, swallace@ece.uci.edu Sender: owner-current@FreeBSD.org X-Loop: FreeBSD.org Precedence: bulk >Well, phkmalloc can be a bit undeterministic in this respect, if you want >to be almost sure you get a fair picture do this: > > for (i=4;i<12;i++) > malloc(1< >That way you know that you have one page of each size ready. That didn't make much difference, but removing `/etc/malloc.conf -> AJ' did :-). Oops. The memset for the J option is especially expensive for a malloc size of 4096 and a read size of 32. Bruce