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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Subject: Re: Loops and parallel execution
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Date: Wed, 26 Jan 2011 11:08:43 +0100
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Date: 2011-01-26T11:08:43+01:00
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On Wed, 26 Jan 2011 02:06:57 +0100, Yannick Duchêne (Hibou57) wrote:

> Le Tue, 25 Jan 2011 22:32:57 +0100, Dmitry A. Kazakov  
> <mailbox@dmitry-kazakov.de> a écrit:
> 
>> On Tue, 25 Jan 2011 18:36:29 +0100, Georg Bauhaus wrote:
>>
>>> If a compiler detects two independent paths inside a loop,
>>
>> I don't see any application for this. Can you remember the last time you
>> wrote such loop? I cannot.

> I can see one: a kind of compiler optimization. I use to though about  
> something similar to what Georg exposed (except not strictly with loops),  
> which I called “micro-parallelism”.

OK, but you need no special constructs for this. The "mind reading"
compiler could optimize the standard for-loop without further hints.

> This kind of parallelism requires to be handled at low level (CPU or  
> else).

If you had a dataflow signal processor...

-- 
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de