[Polly] Isl AST reduction pragmas [V2]

Tobias Grosser tobias at grosser.es
Thu Jun 19 10:00:38 PDT 2014


On 19/06/2014 18:56, Johannes Doerfert wrote:
> So if I have the dependences and schedule like shown below (assume they are e.g., WAW dependences).
> Would a function like "astScheduleDimIsParallel" in IslAst tell me it is parallel or not (without my patch and reductions)?
>
> I was under the impression that it would (and should) say __not__ parallel.

It would say 'parallel', as there are no loop carried dependences 
between the statements that are part of the loop. Or does the code 
suggest otherwise?

Tobias



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