Re: [R] R and ATLAS

On 26 May 2010 at 20:29, Jonathan Greenberg wrote: | Peter and Dirk: | | Thanks for the quick response -- I'm trying to get multiple CPU | responses as Peter indicated should happen, but those R commands only | illicit a single CPU response. | | When I check the libraries: | | ldd /usr/lib/R/bi

Re: [R] R and ATLAS

My R with Atlas configured to use 4 cores uses 4 cores. Note however that you only get the 4 cores for the actual multiplication, not the matrix generation. I'm probably several years behind the curve, but my experience is that if you download source R and do the standard ./configure make make in

Re: [R] R and ATLAS

Peter and Dirk: Thanks for the quick response -- I'm trying to get multiple CPU responses as Peter indicated should happen, but those R commands only illicit a single CPU response. When I check the libraries: ldd /usr/lib/R/bin/exec/R linux-vdso.so.1 => (0x7fffd05ff000) libR

Re: [R] R and ATLAS

Jonathan, That would have been a good question for the r-sig-debian list ... On 26 May 2010 at 14:16, Jonathan Greenberg wrote: | Rhelpers: | | I recently installed the 64-bit version of R on my Debian system, and | afterwards was asked if it was compiled using ATLAS. Is there a way | to test

Re: [R] R and ATLAS

If you didn't specify an external BLAS when you ran R configure script, you are not using ATLAS. If you're not sure and you still have the output of the configure script, at the end it'll say whether it uses an external BLAS. Alternatively, you may also want to generate two random 5000x5000 matric

[R] R and ATLAS

Rhelpers: I recently installed the 64-bit version of R on my Debian system, and afterwards was asked if it was compiled using ATLAS. Is there a way to test to see if R is using ATLAS? --j __ R-help@r-project.org mailing list https://stat.ethz.ch/mailm