Re: intel mkl

[Ben Abbott]

On Jun 8, 2010, at 8:12 AM, Mag Gam wrote:

> On Tue, Jun 8, 2010 at 7:22 AM, Ben Abbott <address@hidden> wrote:
>> On Jun 8, 2010, at 6:41 AM, Mag Gam wrote:
>> 
>>> On Mon, Jun 7, 2010 at 11:40 PM, Mag Gam <address@hidden> wrote:
>>>> 
>>>> On Mon, Jun 7, 2010 at 11:35 PM, John W. Eaton <address@hidden> wrote:
>>>>> On  7-Jun-2010, Mag Gam wrote:
>>>>> 
>>>>> | I am trying to compile Octave with Intel compiler and use Intel Math
>>>>> | Kernel Libraries. However, It seems the basic install isn't finding my
>>>>> | MKL libraries. I know there were previous threads about this topic
>>>>> | therefore I am hoping to get some help.
>>>>> |
>>>>> | Here is how I am compiling stuff.
>>>>> |
>>>>> | PREFIX=/apps/octave-3.2.3
>>>>> |
>>>>> | export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/apps/hdf5-1.8.3/lib
>>>>> |
>>>>> | INCLUDE="-I/apps/hdf5-1.8.3/include"
>>>>> | ./configure F77=ifort FFLAGS="-O3 -xW" CXX=icpc CPP="icc -E" CC=icc
>>>>> | CXXPP="icpc -E" \
>>>>> |         CXXFLAGS="$INCLUDE -mieee-fp" \
>>>>> |         --prefix="$PREFIX" CFLAGS="-O3 -xW $INCLUDE" CPPFLAGS="$CFLAGS" 
>>>>> \
>>>>> |         LDFLAGS="-limf -lm -L/apps/hdf5-1.8.3/lib" \
>>>>> |         PERL=/apps/perl-5.10.1/bin/perl --disable-extra-warning-flags
>>>>> | --disable-docs
>>>>> |
>>>>> | The MKL libraries exist here: /apps/intel/lib/intel64
>>>>> |
>>>>> | This currently does not find the MKL, I am curious how others did this.
>>>>> 
>>>>> CPPFLAGS is for the preprocessor, so setting CPPFLAGS to $CFLAGS is
>>>>> probably not what you want.
>>>>> 
>>>>> -I flags belong in CPPFLAGS.
>>>>> 
>>>>> -L flags belong in LDFLAGS.
>>>>> 
>>>>> Use CXXFLAGS and CFLAGS for things like -O and -g, and I suppose
>>>>> -mieee-fp if that is not discovered automatically by the configure
>>>>> script.
>>>>> 
>>>>> I don't think any variable CXXPP is used in Octave's configure scripts
>>>>> or Makefiles.
>>>>> 
>>>>> jwe
>>>>> 
>>>> 
>>>> Wow. Thanks for the quick response.
>>>> 
>>>> I am going by this:
>>>> 
>>>> http://octave.1599824.n4.nabble.com/icc-compiler-td1677125.html
>>>> 
>>> 
>>> Still having no luck. It can't find my lapack.
>>> 
>>> My lapack is located at:
>>> /apps/lib/em64t/libmkl_lapack.so
>>> 
>>> But I am not sure what argument I need to put in my ./configure to
>>> have it find it.
>>> 
>> 
>> Have you looked over the configure options?
>> 
>>        ./configure --help
>> 
>> Ben
>> 
>> p.s. When replying please bottom-post so that those who arrive later can 
>> follow.
>> 
> 
> Yes, I did ./configure -help and I do see lapack and blas but I am not
> sure what I should feed it. Should I give a location of the .so or the
> directory where the .so is located, so do I need to do a "-Ldirectory"
> ?
> 
> its a bit confusing.

I recommend checking Intel's documentation.

Ben

p.s. When replying please bottom-post so that those who arrive later can follow.