[R-sig-hpc] Use R on Cuda

Ei-ji Nakama nakama at ki.rim.or.jp
Wed Oct 20 07:14:11 CEST 2010


Hi,

There is GATLAS.
http://golem5.org/gatlas/

I have one GTX480.:(
However, that there is a problem in GTX480 is written in GATLAS homepage.

Some coding is necessary to use GATLAS from R.

2010/10/19 Marcelo Lima <mlimagb at gmail.com>:
> 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 São Paulo
>> > Departamento de Bioquímica
>> > Disciplina de Biologia Molecular
>> > Rua Três de Maio 100, 4 andar - Vila Clementino, 04044-020
>> > Lab +55 11 55764438 R.1188
>> > Cell +55 11 92725274
>> > mlima at unifesp.br
>> >
>> >        [[alternative HTML version deleted]]
>> >
>> >
>> > _______________________________________________
>> > R-sig-hpc mailing list
>> > R-sig-hpc at r-project.org
>> > https://stat.ethz.ch/mailman/listinfo/r-sig-hpc
>> >
>> >
>>
>>
>> --
>> EI-JI Nakama  <nakama (a) ki.rim.or.jp>
>> "\u4e2d\u9593\u6804\u6cbb"  <nakama (a) ki.rim.or.jp>
>
>
>
> --
> Marcelo Andrade de Lima
> UNIFESP - Universidade Federal de São Paulo
> Departamento de Bioquímica
> Disciplina de Biologia Molecular
> Rua Três de Maio 100, 4 andar - Vila Clementino, 04044-020
> Lab +55 11 55764438 R.1188
> Cell +55 11 92725274
> mlima at unifesp.br
>

-- 
EI-JI Nakama  <nakama (a) ki.rim.or.jp>
"\u4e2d\u9593\u6804\u6cbb"  <nakama (a) ki.rim.or.jp>



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