Article View: comp.sys.amiga.tech
Article #13842Re: Accelerator and Maximum Fast RAM Query
From: Darren New
Date: Thu, 22 Feb 1990 22:04
Date: Thu, 22 Feb 1990 22:04
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In article <9786@cbmvax.commodore.com> peter@cbmvax.cbm.commodore.com (Peter Cherna) writes: >Note that the system is set up so that memory allocation uses 32-bit memory >before it moves on to the slower 16-bit memory, and that's why is doesn't >"hurt" to have 16-bit memory around. But note also: If you have 16-bit memory then Avail() calls will access the 16-bit memory. I was doing an AvailMem() on every memory allocation and it was almost as slow on a 68020 as it was on a 68000. Eventually, I just modified it to allocate a chunk of memory, then allocate until it ran out, then free the chunk of memory. I suggest that if you are programming on a 68000, you do this too. -- Darren
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arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!uwm.edu!zaphod.mps.ohio-state.edu!sol.ctr.columbia.edu!emory!mephisto!udel!newReferences:
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!uwm.edu!zaphod.mps.ohio-state.edu!sol.ctr.columbia.edu!emory!mephisto!udel!new From: new@udel.edu (Darren New) Newsgroups: comp.sys.amiga.tech Subject: Re: Accelerator and Maximum Fast RAM Query Message-ID: <11902@nigel.udel.EDU> Date: 22 Feb 90 22:04:54 GMT References: <1179@mindlink.UUCP> <9786@cbmvax.commodore.com> Sender: usenet@udel.EDU Reply-To: new@udel.edu (Darren New) Organization: University of Delaware Lines: 12