[ANNOUNCEMENT] Updated: openblas-0.3.2-1
Marco Atzeri
marco.atzeri@gmail.com
Sat Aug 11 13:22:00 GMT 2018
New releases of
openblas (source)
libopenblas (dinamic library)
are available in the Cygwin distribution :
CHANGES
Last upstream release
https://github.com/xianyi/OpenBLAS/releases
DESCRIPTION
OpenBLAS is an optimized BLAS library based on
GotoBLAS2 1.13 BSD version and further extended.
OpenBLAS is licensed under the 3-clause BSD license.
HOMEPAGE
http://www.openblas.net/
CYGWIN NOTES
1) As BLAS it is around 5-10 times faster than Netlib reference,
included in the liblapack0 package.
2) No devel package is provided as liblapack-devel already provide
the needed headers and import.
Openblas is fully compatible with Netlib BLAS.
3) libopenblas consist of a single file
/usr/bin/cygblas-0.dll
that will precede in PATH the liblapack0
/usr/lib/lapack/cygblas-0.dll
and used instead. Removing libopenblas will restore the
usage of Netlib BLAS
4) CPU architecture covered up to now
64 bit
ATOM BARCELONA BOBCAT BULLDOZER CORE2 DUNNINGTON EXCAVATOR
HASWELL NANO NEHALEM OPTERON OPTERON_SSE3 PENRYN PILEDRIVER
PRESCOTT SANDYBRIDGE STEAMROLLER ZEN
32 bit
ATHLON ATOM BANIAS BARCELONA BOBCAT COPPERMINE CORE2
DUNNINGTON KATMAI NANO NEHALEM NORTHWOOD OPTERON
OPTERON_SSE3 PENRYN PRESCOTT
5) Built with a max number of 16 threads; it should be enough
to fully utilize up a 8 core dual thread.
The fixed max limit at build time is a upstream limitation,
if you need more than 16 let me know.
Regards
Marco Atzeri
If you have questions or comments, please send them to the
cygwin mailing list at: cygwin (at) cygwin (dot) com .
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