Francesc Alted (2010-05-20 20:28:47 +0200) wrote:

> [...]
> I'm happy to announce the first candidate release for PyTables 2.2 series.  
> Among the most exciting improvements of this release is the support of 
> threads 
> in several parts of PyTables, namely Blosc and, optionally, Numexpr (which is 
> out of the main distribution now and becomes a requisite).
> 
> In particular, I'm quite happy of how performs the recent multi-threaded 
> implementation that undergone Blosc in 0.9.  It uses a pool of threads 
> technique in order to reduce thread management to a bare minimum.  When all 
> the tests would be finished, I expect to release Blosc 1.0 very soon now 
> (hopefully before PyTables 2.2 final).
> [...]

I've run the heavy test suite from repository version r4463 on an Intel Core 2
Duo running Debian unstable and all tests pass.  Here is the sys-info::

  PyTables version:  2.2rc2.dev
  HDF5 version:      1.8.4
  NumPy version:     1.4.0
  Numexpr version:   1.3.1 (not using Intel's VML/MKL)
  Zlib version:      1.2.3.4 (in Python interpreter)
  LZO version:       2.03 (Apr 30 2008)
  BZIP2 version:     1.0.5 (10-Dec-2007)
  Blosc version:     0.9.3 (2010-06-04)
  Python version:    2.5.4 (r254:67916, Feb 18 2009, 03:00:47) [GCC 4.3.3]
  Platform:          linux2-x86_64
  Byte-ordering:     little

The heavy suite tests from the 2.2rc1 tarball also pass in a G4 running Mac OS
X Tiger, but I first had to apply r4453 to fix the issue with barriers during
build time.  Sys-info::

  PyTables version:  2.2rc1
  HDF5 version:      1.8.4-patch1
  NumPy version:     1.3.0
  Numexpr version:   1.3.1 (not using Intel's VML/MKL)
  Zlib version:      1.2.3
  LZO version:       2.03 (Apr 30 2008)
  BZIP2 version:     1.0.5 (10-Dec-2007)
  Blosc version:     0.9.0 (2010-05-04)
  Python version:    2.6.4 (r264:75821M, Oct 27 2009, 19:48:32) [GCC 4.0.1 
(Apple Inc. build 5493)]
  Platform:          darwin-Power Macintosh
  Byte-ordering:     big

Congrats for the new release!

-- 
Ivan Vilata i Balaguer -- http://ivan.lovesgazpacho.net/

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