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From:	Andrew DeFaria <Andrew AT DeFaria DOT com>
Subject:	Re: real beginer
Date:	Tue, 23 Oct 2012 10:48:58 -0700
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On 10/23/2012 9:35 AM, Eliot Moss wrote:
> On 10/23/2012 10:31 AM, Trixie wrote:
>> Thank you all.
>> Here's my story. I'm physics student and my master degree work is
>> "Application of GPU on DFT calculations". I need this BigDFT to run 
>> certain
>> examples on cuda based GPU computer and on regular CPU and discuss the
>> results.
>> Cygwin was my first choice because i felt comfortable using it. But I 
>> think
>> this is gonna be harder then i expected. I guees i should give up 
>> Cygwin and
>> instal (maybe) UBUNTU on partition of my computer and try there. Any
>> suggestion there?
>> Thank you all again, you've been most kind.
>
> I am most of the way through building bigdft under cygwin.  I have
> no idea how the GPU aspect might work but here is what I've done
> so far:
>
> 1) Download blas.tgz to ~/downloads (where I put things)
>    In ~/tools (because I like it):
>    tar xzvf ~/downloads/blas.tgz
>    In ~/tools/BLAS:
>    Edit make.inc as desired
>    make
>    cp blas_LINUX.a /usr/lib/libblas.a
>
> 2) Download lapack-3.4.2.tgz to ~/downloads
>    In ~/tools, tar xzvf ~/downloads/lapack-3.4.2.tgz
>    In ~/tools/lapack-3.4.2:
>    cp make.inc.example make.inc
>    Edit make.inc as desired; note that libblas.a is in /usr/lib, so
>      you *must* edit that line
>    make  [takes a LONG time]
>    cp *.a /usr/lib
To run on Windows, shouldn't this .a files really be .dll's?
>
> 3) Download bigdft-1.6.0.tar.gz to ~/downloads
>    In ~/tools, gunzip -c ~/downloads/bigdft-1.6.0.tar.gz | tar xvf -
>    In ~/tools/bigdft-1.6.0:
>    ./configure  (takes a while)
>    make         (takes quite a while)
>
> This ultimately failed when linking, so something seems missing or
> slightly off. I will try to look at it later.
>
> On the other hand, setting up a Linux partition, or using
> a Linux virtual machine under Windows, are reasonable options too.
If you're using Cygwin's gcc/fortran and linker I suspect you'll need 
.dll's not .a's.
-- 
Andrew DeFaria <http://defaria.com>
Madness takes its toll. Please have exact change.


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