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From: papa@pollux.usc.edu (Marco Papa)
Newsgroups: comp.sys.amiga.tech
Subject: Re: CloseFonts() problems
Message-ID: <14355@oberon.USC.EDU>
Date: 30 Dec 88 05:10:47 GMT
References: <3599@tekig5.PEN.TEK.COM> <10097@well.UUCP> <YXienJy00Vsf0AHTAo@andrew.cmu.edu>
Sender: news@oberon.USC.EDU
Reply-To: papa@pollux.usc.edu (Marco Papa)
Organization: Felsina Software, Los Angeles, CA
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In article <YXienJy00Vsf0AHTAo@andrew.cmu.edu| mp1u+@andrew.cmu.edu (Michael Portuesi) writes:
|ewhac@well.UUCP (Leo L. Schwab) writes:
||         You can force the system to purge all loaded fonts and libraries
|| that are not currently in use by trying to allocate four gigabytes of RAM:
||         AllocMem (4000000000L, NULL);
||         This will always fail (unless you actually happen to *have* four
|| gigabytes of RAM hanging around (or if AmigaDOS/Kickstart ever goes
|| virtual)).
|Perhaps better would be an Exec call to automatically flush non-used
|libraries and fonts from memory. Does one exist?
                                  ^^^^^^^^^^^^^^
Nope.

|Is it a good idea for random programs to be flushing things that might be 
| better off cached?

Well, I can tell you that the practice Leo refers to is widely used since it
is the ONLY way to flush things and force memmory merge.  I use it myself.
The performance penalty is in my opinion not that big.  An Exec call that
ASKED for a flush would be nice, though. (1.4? Dale?, Jimm?).

-- Marco Papa 'Doc'
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