Thanks a lot for help.
I was able to run in cuda, but it just used one gpu core. I have 3 GeForce
GTX 480, any suggestions to run with all gpus?
Regards.
Marcelo.
On Tue, Oct 19, 2010 at 1:37 AM, Ei-ji Nakama <nakama at ki.rim.or.jp> wrote:
Hi,
I performed only a simple experiment.
1. wrapper for gemm
http://prs.ism.ac.jp/~nakama/cudablas_gemm/
2. make
3 LANG=C make test
$ LANG=C make test
R -q -e
'set.seed(1);N<-4e3;A<-matrix(runif(N^2),N,N);system.time(B<-A%*%A)'
| sed -e '/^>/d'
? user ?system elapsed
?9.976 ? 0.160 ? 1.761
LD_PRELOAD=./gemm.so R -q -e
'set.seed(1);N<-4e3;A<-matrix(runif(N^2),N,N);system.time(B<-A%*%A)' |
sed -e '/^>/d'
? user ?system elapsed
?0.968 ? 0.044 ? 1.008
R -q -e
'set.seed(1);N<-4e3;A<-matrix(as.complex(runif(N^2)),N,N);system.time(B<-A%*%A)'
| sed -e '/^>/d'
? user ?system elapsed
?39.098 ? 0.600 ? 6.619
LD_PRELOAD=./gemm.so R -q -e
'set.seed(1);N<-4e3;A<-matrix(as.complex(runif(N^2)),N,N);system.time(B<-A%*%A)'
| sed -e '/^>/d'
? user ?system elapsed
?3.388 ? 0.068 ? 3.454
The size that I could operate depended on RAM of GPU.
2010/10/19 Marcelo Lima <mlimagb at gmail.com>:
Dear all,
I'm trying to run R on a cuda 3X (GTX 480) using an i7 processor,
however I
haven't been successful. Any suggestions?!
Thanks in advance,
Marcelo
--
Marcelo Andrade de Lima
UNIFESP - Universidade Federal de S?o Paulo
Departamento de Bioqu?mica
Disciplina de Biologia Molecular
Rua Tr?s de Maio 100, 4 andar - Vila Clementino, 04044-020
Lab +55 11 55764438 R.1188
Cell +55 11 92725274
mlima at unifesp.br
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