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Message-Id: <announce.a8533b71-b4e2-974d-51bc-cf8b0bedbfb4@gmail.com>
Date: Sun, 26 Jun 2022 22:04:57 +0200
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To: cygwin AT cygwin DOT com
Subject: [ANNOUNCEMENT] Updated: openblas-0.3.20-1
From: Marco Atzeri via Cygwin-announce <cygwin-announce AT cygwin DOT com>
Reply-To: cygwin AT cygwin DOT com
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Sender: "Cygwin" <cygwin-bounces+archive-cygwin=delorie DOT com AT cygwin DOT com>

New releases 0.3.20-1 of

openblas	  (source)
libopenblas	  (dinamic library)

are available in the Cygwin distribution :

CHANGES
Last upstream release bugfix and performance improvment
https://github.com/xianyi/OpenBLAS/releases

  OpenBLAS will now provide enough buffer space for at
  least 50 threads by default.

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 COOPERLAKE CORE2 DUNNINGTON
     EXCAVATOR HASWELL NANO NEHALEM OPTERON OPTERON_SSE3 PENRYN
     PILEDRIVER PRESCOTT SANDYBRIDGE SAPPHIRERAPIDS SKYLAKEX
     STEAMROLLER ZEN


  32 bit
     ATHLON ATOM BANIAS BARCELONA BOBCAT BULLDOZER COPPERMINE
     CORE2 DUNNINGTON HASWELL KATMAI NANO NEHALEM NORTHWOOD
     OPTERON OPTERON_SSE3 P5 P6 PENRYN PILEDRIVER PRESCOTT
     SANDYBRIDGE VIAC3 YONAH ZEN


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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