[Rd] R-.12.0 atlas lapack

From: luxInteg <lux-integ_at_btconnect.com>
Date: Sat, 20 Nov 2010 22:35:02 +0000


I last built R-2.11.1 a few months ago. The computer was equipped with these:-

---cpu amd64 2 cores
---o/s cblfs 64-bit only linux kernel-2.6.32 gcc-4.4.2 jdk(1.5)-6U20?
---bls atlas3.9.26 lapacck-3.2.1

I obtained an installed directory of ~58Mbytes and in the ~/lib directory was libR.so (~7.8Mbytes in size) as well as libRblas.so and libRlapack.so (~2.9Mbytes).

I have since upgraded atlas to atlas3.9.32 and lapack to lapack-3.2.2. to fulfill requirements of other numeric intensive programs I use. Today I compiled and installed R-2.12.0 using the same settings used for R-2.11.1 and these are my findings:-

{The installed directory is ~42Mbytes and in the ~/lib directory there is but libR.so of only 2.9 mbytes. There are no libRlapack.so nor libRblas.so}

I would be grateful if someone culd explain the discrepencies between the two versions of R and what the requirements are for generating linRlapack.so and libRblas.so and/or whether these have been superceded.

thanks in advance..


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