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Message-ID:	<BAY169-DS41999173A807A98C0210C7A7970@phx.gbl>
From:	"Tony Kelman" <tony AT kelman DOT net>
To:	<cygwin AT cygwin DOT com>
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In-Reply-To:	<54451D4C.5080604@gmail.com>
Subject:	Re: Tester for openblas needed
Date:	Mon, 20 Oct 2014 09:16:10 -0700
MIME-Version:	1.0
X-IsSubscribed:	yes

> look in the source package
> http://matzeri.altervista.org/x86_64/openblas/

Thanks. I'm a little surprised the cygblas-0.dll (x86_64, 0.2.12-1) does
not appear to be linked to libgfortran. Were you seeing your test
executables using multiple cores? I think you may have to build with
USE_THREAD=1 to enable threading (or USE_OPENMP=1 for openmp)?

I may be doing this wrong, but I'm getting errors from your openblas
build, but not the reference blas package, when I run the following:

$ curl -O 
https://raw.githubusercontent.com/xianyi/OpenBLAS/develop/test/sblat2.f
$ gfortran -o sblat2 sblat2.f -lblas
$ rm -f SBLAT2.SUMM
$ curl 
https://raw.githubusercontent.com/xianyi/OpenBLAS/develop/test/sblat2.dat | 
./sblat2

This outputs messages like:
** On entry to SGEMV  parameter number  1 had an illegal value
and so on for the other single-precision level 2 functions in that test.

This does seem to work okay on Linux or an existing i686-w64-mingw32 build.

-Tony


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