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From: dillon@PAVEPAWS.BERKELEY.EDU (Matt Dillon)
Newsgroups: net.micro.amiga
Subject: Re: Re: printf does not take 10K
Message-ID: <8607080847.AA07647@pavepaws>
Date: Tue, 8-Jul-86 04:47:35 EDT
Article-I.D.: pavepaws.8607080847.AA07647
Posted: Tue Jul  8 04:47:35 1986
Date-Received: Wed, 9-Jul-86 01:44:23 EDT
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Organization: University of California at Berkeley
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Thank you, Claudio, for your experimenting in finding precisly what RawDoFmt
does.  

----


Now, I think I've found a rather strange bug in the ram: drive.  If you:

(A) open a new file on the ram: drive, then write out, say, 20K one byte at
	a time.  For some reason, the amount of RAM taken up by this file is huge..
	on the order of 90K.  The DIR shows the file to be the correct size, and
	you can TYPE it fine....

	now, if you CP the file to a floppy, DEL it on ram:, then copy it back (from the
	floppy to the ram drive), it takes up only as much as it should.

	It would seem that the amount you write out at a time effects how much
	actual RAM is used.  The larger the block size, the less the amount of
	RAM used.  The smaller the block size (I wrote it out 1 byte at a time),
	the more RAM is used.

	Can anybody shed some light on this?   I'm currently putting together
	a small C program to illustrate this (and will, of course, send it
	to amiga!bugs)

	using 1.2 B II


						-Matt