Re: Are these all really true ?

cdg@nullstone.com (Christopher Glaeser)
Thu, 21 Sep 1995 18:37:19 GMT

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Re: Are these all really true ? lakeland@sans.vuw.ac.nz (1995-09-20)
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Newsgroups: comp.compilers
From: cdg@nullstone.com (Christopher Glaeser)
Keywords: OOP, architecture
Organization: Compilers Central
References: 95-09-076
Date: Thu, 21 Sep 1995 18:37:19 GMT

> * Memory is free, speed is what is worth optimizing.


This is not true for a wide range of embedded applications such as
anti-lock braking systems and traffic light controllers. High volume
products such as disk drives are *extremely* part/cost sensitive, and
memory is certainly not free.


In these applications, optimizations that both reduce memory requirements
and increase performance are generally welcome, but optimizations that
increase performance at the cost of more memory may be used selectively
or avoided altogether.


Regards,
Christopher Glaeser
Nullstone Corporation
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