Gustavo wrote:
> Ok, stop you guys!
>
> I cannot say for sure since I never played with mmx that much, but I
> fear raster is right about that.
>
> as for thread safety, registers do not need special care for threads,
> no locks or other requirements, so yes, it should not have any special
> care.
>
>
The issue isn't one of safety in the sense of circular
referencing, it's mmx/fp 'safety', ie. that we know for certain
that the execution paths aren't being interrupted in such a way
that although you think you've released mmx registers, and thus
the next guy is free to use fp ops.. that maybe isn't so.
There is much too great a difference in the behavior of the
code with vs. without pipes to say for certain that the code-execution
paths are well understood.
> and last but not least, actually the most important bit: gradient is fixed
> now!
>
> Thank you both,
>
>
No, it was more thanks to you really.
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