[PD-dev] gcc 4.1 and auto-vectorization

[Hans-Christoph Steiner]

On Nov 18, 2006, at 8:07 PM, Thomas Grill wrote:

>
> Am 18.11.2006 um 22:16 schrieb Mathieu Bouchard:
>
>> On Sat, 18 Nov 2006, Hans-Christoph Steiner wrote:
>>
>>> I really doubt that the gcc devs put a lot of effort into  
>>> something that has no effect. Perhaps not for Pd, that may be  
>>> true.  But they are talking about vectorizing loops, it may not  
>>> be the best thing to vectorize, but there are definitely  
>>> vectorizable loops in Pd.
>>
>> perhaps it would be a good start to reimplement newbytes(n) using  
>> memalign(16,n) instead of malloc(n).
>
> A few years ago i introduced aligned memory allocation in the pd- 
> devel branch.

Have you tried submitting a patch?  It would be at least useful in Pd- 
extended.  How big a difference did it make?

.hc

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