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...ng to try). 2. machine has multiple CPU's (Opteron 880's) - meaning (based on ACML docs), I *should* download and install gfortran64 (which has mp support). However, I don't have gfortran, so...what about 32-bit? Same problem - mp requires gfortran. Hmmm 3. so, download and install gnu64 version of ACML, which is intended for a single processor (ok, so I guess this means I won't be threading jobs over multiple CPU's...fine). Everything installs into opt/acml3.5.0/gnu64... 4. need to fix up library path. Working in a bash shell, so LD_LIBRARY_PATH/opt/acml3.5.0/gnu64/l...

Hi, I'm having problems using ACML with R. I made two changes in config.site by setting LDFLAGS="-L/opt/acml3.1.0/gnu64/lib" BLAS_LIBS="-lacml" ./config and make go through but when I try to use the lm() function, I get the error message Error in chol2inv(Qr$qr[p1, p1, drop = FALSE]) : lapack routines cannot be loaded In addition: Warning message: unable to load shared library '/usr/loca...

I'm trying to build R-devel with AMD's ACML. I downloaded version 3.0.0 64bit for gfortran (acml-3-0-0-gfortran-64bit.tgz) and copied the libraries to /usr/local/lib. When I configure R to build against the ACML library, how do I know if the library has been detected and will be used? I run 'configure' with the '--with-blas=-lacml' flag and am using gcc 4.0.2 (with

Dear R-devel, Has anyone played with this? http://www.amd.com/us-en/Processors/DevelopWithAMD/0,,30_2252_2282,00.html <http://www.amd.com/us-en/Processors/DevelopWithAMD/0,,30_2252_2282,00.html> . I'll probably give it a shot... Best, Andy Andy Liaw, PhD Biometrics Research PO Box 2000, RY33-300 Merck Research Labs Rahway, NJ 07065 mailto:andy_liaw@merck.com