Solid release as usual. Works well with the MKL. Btw, numexpr-1.4.tar.gz is missing the win32/pthread.h file.
Christoph On 8/1/2010 4:33 AM, Francesc Alted wrote: > Hi, > > After the Theano talk in last EuroSciPy I suddenly realized that it would not > be too difficult to implement a multi-threaded version of Numexpr. Well, as > usual I was terribly wrong and it took me a *long* week to do the job :-/ > > Anyway the thing is done now, so... enjoy! > > Note for PyTables users: Numexpr does not include changes in the API/ABI, so > the upgrade from 1.3.1 is recommended. > > ======================== > Announcing Numexpr 1.4 > ======================== > > Numexpr is a fast numerical expression evaluator for NumPy. With it, > expressions that operate on arrays (like "3*a+4*b") are accelerated > and use less memory than doing the same calculation in Python. > > What's new > ========== > > The main improvement in this version is the support for > multi-threading in pure C. Threading in C provides the best > performance in nowadays multi-core machines. In addition, this avoids > the GIL that hampers performance in many Python apps. > > Just to wet your appetite, look into this page where the > implementation is briefly described and where some benchmarks are > shown: > > http://code.google.com/p/numexpr/wiki/MultiThreadVM > > In case you want to know more in detail what has changed in this > version, see: > > http://code.google.com/p/numexpr/wiki/ReleaseNotes > > or have a look at RELEASE_NOTES.txt in the tarball. > > Where I can find Numexpr? > ========================= > > The project is hosted at Google code in: > > http://code.google.com/p/numexpr/ > > And you can get the packages from PyPI as well: > > http://pypi.python.org/pypi > > Share your experience > ===================== > > Let us know of any bugs, suggestions, gripes, kudos, etc. you may > have. > > > Enjoy! > > _______________________________________________ NumPy-Discussion mailing list [email protected] http://mail.scipy.org/mailman/listinfo/numpy-discussion
