Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!unix.cis.pitt.edu!dsinc!bagate!cbmvax!jesup From: jesup@cbmvax.commodore.com (Randell Jesup) Newsgroups: comp.sys.amiga.hardware Subject: Re: A2091 buffers Message-ID: <19962@cbmvax.commodore.com> Date: 18 Mar 91 23:34:13 GMT References: Reply-To: jesup@cbmvax.commodore.com (Randell Jesup) Organization: Commodore, West Chester, PA Lines: 19 In article philw@pharma.UUCP (Philip Michael Williams) writes: >Under 1.3, once I have opened and closed the partition icon and displayed the >window, subsequent openings occur from the buffer memory and no disk access >is made. The buffers seem to be working OK. However, under 2.0, the disk is >accessed every time the icon is opened. ie open/close/open produces two disk >accesses whereas only one is made first time under 1.3. It appears that >2.0 ignores the buffers, or the automount doesn't work correctly. I suspect this is merely some combination of different strategies in the FS for caching, and an greatly-modified workbench which may well do some accesses that happen to not be cached (if the FFS can transfer directly to your buffer, it does so, but of course it doesn't go in cache). -- Randell Jesup, Keeper of AmigaDos, Commodore Engineering. {uunet|rutgers}!cbmvax!jesup, jesup@cbmvax.commodore.com BIX: rjesup The compiler runs Like a swift-flowing river I wait in silence. (From "The Zen of Programming") ;-)