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Article #6651

Terminology: ZZ % faster

#6651
From: Gregory Dudek
Date: Wed, 18 Oct 1989 22:44
31 lines
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Is it just me, or does terminology like
"55% faster" seem ambiguous or at least just plain funny?
We all know what it means, but it just sounds bad.

I'd rather just see people (Apple) say it runs as 1.55 times the speed.


  This sounds to me like it could be interpreted as:

    NEWSPEED = BASESPEED * 1.55   <<- what it must mean, I assume

    (NEWSPEED - BASESPEED)/BASESPEED = .55
		=>  NEW  = .55 BASE + BASE = 1.55 * BASE
				(hey! consistent!)

    (NEWSPEED - BASESPEED)/NEWSPEED = .55
		=>  NEW  = .55 NEW + BASE => NEW = 2.22 BASE 
				  <<- I wish, dream on
    
    BASESPEED/NEWSPEED = 0.55 => NEWSPEED = 1.18 * BASESPEED

    or even, 55% of the machine is (somewhat) faster, the rast is the
    same, hence the total speedup is 
	(UTILIZATION OF THIS 45 % ) * 1.0   + 
	(UTULIZATION OF THIS 55 % ) * UNKNOWN_SPEEDUP_FACTOR
-- 
Dept. of Computer Science (vision group)    University of Toronto
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From: dudek@ai.toronto.edu (Gregory Dudek)
Subject: Terminology: ZZ % faster
Message-ID: <89Oct18.184428edt.11352@ephemeral.ai.toronto.edu>
Organization: Department of Computer Science, University of Toronto
References: <6141@tekgvs.LABS.TEK.COM>
Date: 18 Oct 89 22:44:56 GMT