real beginer

marco atzeri
Tue Oct 23 17:18:00 GMT 2012

On 10/23/2012 6:35 PM, 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 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
>     Edit 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

1 & 2 are already available on liblapack-devel

$ cygcheck -l liblapack-devel |grep "\.a"

> 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.
> Eliot Moss

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