ANN: GMPY 1.11rc1 is available
nick at craig-wood.com
Mon Nov 30 10:30:14 CET 2009
casevh <casevh at gmail.com> wrote:
> I'm pleased to annouce that a new version of GMPY is available.
> GMPY is a wrapper for the MPIR or GMP multiple-precision
> arithmetic library. GMPY 1.11rc1 is available for download from:
> Future plans
> On releasing the GIL: I have compared releasing the GIL versus the
> multiprocessing module and the multiprocessing module offers better
> and more predictable performance for embarrassingly parallel tasks
> than releasing the GIL. If there are requests, I can add a compile-
> time option to enable threading support but it is unlikely to
> become the default.
You could have variant types of mpz etc which do release the GIL so
you could mix and match accordingly.
> On mutable integers: The performance advantages of mutable integers
> appears to be 20% to 30% for some operations. I plan to add a new
> mutable integer type in the next release of GMPY. If you want to
> experiment with mutable integers now, GMPY can be compiled with
> mutable version of the standard 'mpz' type. Please see the file
> "mutable_mpz.txt" for more information.
Mutable integers - whatever will they think of next ;-)
Thanks for maintaining gmpy - it is an excellent bit of software!
Nick Craig-Wood <nick at craig-wood.com> -- http://www.craig-wood.com/nick
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