Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!ames!pasteur!ucbvax!dewey.soe.berkeley.edu!oster
From: oster@dewey.soe.berkeley.edu (David Phillip Oster)
Newsgroups: comp.sys.mac.programmer
Subject: Re: Object Pascal
Keywords: Object Pascal, Object C
Message-ID: <27836@ucbvax.BERKELEY.EDU>
Date: 31 Jan 89 07:30:05 GMT
References: <7096@spool.cs.wisc.edu> <1096@husc6.harvard.edu> <155@Portia.Stanford.EDU>
Sender: usenet@ucbvax.BERKELEY.EDU
Reply-To: oster@dewey.soe.berkeley.edu.UUCP (David Phillip Oster)
Organization: School of Education, UC-Berkeley
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A naive implementation of malloc() calls NewPtr().  NewPtr() does a heap
shuffle to try to put the allocated block at the low end of the heap. The
shuffle is slow.  NewHandle() doesn't do a shuffle, so it is fast. Object
oriented extensions are usually implemented out of handles, so they are
fast.