Re: Validating performance optimizations
Sun, 27 Jan 2008 03:41:58 -0800 (PST)

          From comp.compilers

Related articles
Validating performance optimizations (2008-01-21)
Re: Validating performance optimizations (2008-01-27)
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Newsgroups: comp.compilers
Date: Sun, 27 Jan 2008 03:41:58 -0800 (PST)
Organization: Compilers Central
References: 08-01-059
Keywords: optimize testing
Posted-Date: 27 Jan 2008 13:58:56 EST

> Do you simply ask the compiler to attempt to apply optimization X
> and test for it? Is there any value in exercising the code that
> implements X in isolation, given that in general it is usually the
> output of some previous transformation that tends to break a later
> transformation in non-trivial code?

a good idea of isolating high-level optimizations in performance tests
is employed by NULLSTONE:

they have performance tests for C, Java, C#

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