This is easier if you simply link to the ACML BLAS as an alternative
to Rblas.so -- see the R-admin manual.
If you need further help, please ask on the R-devel list (see the
posting guide). It seems likely that you missed the comment in the
R-admin manual about ensuring that the ACML lib directory is in
LD_LIBRARY_PATH, so please check the manual subsection carefully.
(More generally, you may well need to add that directory to the ld.so
cache: some installation of ACML arrange to do so, some do not. I
have
gannet% cat /etc/ld.so.conf.d//acml-x86_64.conf
/opt/acml4.4.0/gfortran64/lib
/opt/acml4.4.0/gfortran64_mp/lib
.)
On Tue, 24 Aug 2010, szembek wrote:
I am trying to get R to use the ACML BLAS, specifically the 'mp' version for
multithreading.
I have installed acml-4-4-0-gfortran-64bit
I added /opt/acml4.4.0/gfortran64_mp/lib to $LD_LIBRARY_PATH.
I ran: sudo ./configure --with-blas="-L/opt/acml4.4.0/gfortran64_mp/lib
-lacml_mp"
At the end of the configuration, the only external library listed is
readline, and at the end of my post here is a section of my config.log that
shows the problem. Any ideas as to what I'm missing here? I'm running Ubuntu
Server 10.
------ config.log -------
configure:28567: checking for dgemm_ in -L/opt/acml4.4.0/gfortran64_mp/lib
-lacml_mp
configure:28588: gcc -std=gnu99 -o conftest -g -O2 -I/usr/local/include
-L/usr/local/lib64 conftest.c -L/opt/acml4.4.0/gfortran64_mp/lib -lacml_mp
-lgfortran -lm -ldl -lm >&5
conftest.c: In function 'main':
conftest.c:193: warning: implicit declaration of function 'dgemm_'
configure:28588: $? = 0
configure:28595: result: yes
configure:29120: checking whether double complex BLAS can be used
./conftest: error while loading shared libraries: libacml_mp.so: cannot open
shared object file: No such file or directory
--
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--
Brian D. Ripley, rip...@stats.ox.ac.uk
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272866 (PA)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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