Path: csiph.com!aioe.org!.POSTED!not-for-mail
From: Rod Pemberton <NeedNotReplyHere@xrsevnneqk.cem>
Newsgroups: comp.lang.forth
Subject: Re: Average swaps per word?
Date: Wed, 9 Nov 2016 03:34:29 -0500
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On Tue, 8 Nov 2016 22:03:01 -0800 (PST)
trans <transfire@gmail.com> wrote:

> Are there any statistics on the average swaps per word in Forth code?

: AAA  SWAP SWAP ;
: BBB  AAA AAA ;

AAA would report two.  Would BBB report zero or four?

I.e., are you wanting to know the "static" SWAPs (typed) or the
"dynamic" SWAPs (executed)?  The terms "static" and "dynamic"
are used by by Philip Koopman, Jr in his book "Stack Computers."


Rod Pemberton