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From: Oliver Kleinke <oliver.kleinke@c-01a.de>
Newsgroups: comp.lang.ada
Subject: Re: What would you like in Ada202X?
Date: Thu, 26 Apr 2012 10:15:15 +0200
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Date: 2012-04-26T10:15:15+02:00
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>>>> 2) parallel loops / functions
>>> Array support in the direction of utilizing parallel
>>> micro-micro-processing powers.
>>
>> Already present in GNAT, implicitly though.
>
> Where, please? I'm very curious, since what we have found to be working is
> either tied to GCC's type attributes, or seems to be caused by the compiler
> working in miraculous ways: small arrays/sequences of floats can be,
> or may be, made operands of SIMD instructions on Intel compatible
> hardware. Tricky, and hard to control, yet worth a factor 2.

Have you discovered this yet?: 
http://gcc.gnu.org/onlinedocs/gnat_ugn_unw/Vectorization-of-loops.html