[Python-Dev] Slides from today's parallel/async Python talk
stefanrin at gmail.com
Thu Mar 14 20:59:57 CET 2013
> Yup, in fact, if I hadn't come up with the __read[gf]sword() trick,
> my only other option would have been TLS (or the GetCurrentThreadId
> /pthread_self() approach in the presentation). TLS is fantastic,
> and it's definitely an intrinsic part of the solution (the "Y" part
> of "if we're a parallel thread, do Y"), but it definitely more
> costly than a simple FS/GS register read.
I think you should be able to just take the address of a static
__thread variable to achieve the same thing in a more portable way.
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