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...EON machine (Nocona core), unpacked it to /usr/lib and created a symlink libgoto.so pointing to the library. 2: Then, I got ready to re-configure and re-compile R (2.1.0) using the following configure flags: ./configure --prefix=/usr --enable-R-shlib --enable-shared --with-tcltk --with-blas="-lgoto -lpthread -lm" I did read the R-Admin doc and therefore I am aware of the fact that passing "-lgoto" is supposed to be sufficient, but as a matter of fact configuring with --with-blas="-lgoto" only ends up in a libR.so being linked to the standard libblas.so. config.log re...

...ter than the Xeon, but the Xeon does have faster RAM... [What I did to link R against Goto's BLAS (mostly following Prof. Bates' instruction): - Install libgoto*.so and symlink to libgoto.so. - Download xerbla.f and compile to xerbla.o. - Run the R configure script with --with-blas="-lgoto /path/to/xerbla.o". - Edit Makeconf and delete the path to xerbla.o in BLAS_LIB. - make; make check ] A bit of gripe about the SUSE ES8 that was pre-loaded on the Opteron: - VNC segfault out-of-box. Needed to purchase maintanence contract to get update that fixed it. - No teTeX, so can't...

ABCD are four matrix. A * Inverse((Transpose(A)*Tranpose(B)*B*A+C)) * Transpose(A) * Transpose(B) * D how to write in R in an efficient way? --------------------------------- [[alternative HTML version deleted]]