Re: Languages of multiple abstaction

EJP <esmond.pitt@bigpond.com>
1 Nov 2006 00:52:54 -0500

          From comp.compilers

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From: EJP <esmond.pitt@bigpond.com>
Newsgroups: comp.compilers
Date: 1 Nov 2006 00:52:54 -0500
Organization: Melbourne Software Company Pty Ltd
References: 06-10-126
Keywords: design, performance
Posted-Date: 01 Nov 2006 00:52:54 EST

fermineutron wrote:


> It is generally the belief that high level languages are slower than
> the low level languages. It seems to me that there are 2 possible
> reasons for it.


There is one very simple reason for it, and that is that the higher the
level of the HLL, the more it conceals the true costs in time and space
of the operations you are encoding in the language. When you're down
near the metal (the silicon) in assembly or some 'LLL' you're very close
to the costs.


APL is the classical example.



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