Eiffel and Efficiency Issues

graham@maths.su.oz.au (Graham Matthews)
Thu, 7 Jun 90 17:12:45 GMT

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Newsgroups: comp.compilers,comp.lang.eiffel
From: graham@maths.su.oz.au (Graham Matthews)
Date: Thu, 7 Jun 90 17:12:45 GMT
Organization: Uni Computing Service, Uni of Sydney, Australia

In the Eiffel reference manual there are claims that Eiffel code (ie: C code
generated by Eiffel) executes 20-25% (I think these figures are right?)
slower than native C code.


Can anyone tell me why this is? Is it just poor quality C code produced from
the front end that is the cause of the problem?


graham
[My impression is that it is partly due to the time spend looking up methods
and partly due to making things garbage collectable. Someone who is more
familiar with the innards of Eiffel will, I hope, comment. -John]
--

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