Friday, November 19, 2010

Using SGC-Ruby-CUDA on the Newly Launched Amazon EC2 Cluster GPU

Wonder if GPU works for you? No budget for a system with decent GPU? Installations and configurations are too much trouble for you? You can now try out SGC-Ruby-CUDA on Amazon EC2 with the system image, located at US East Virginia zone, called SGCRubyCUDA.1 which is available as a community AMI.

Compile for rubycu shared library and run tests.

[root@ip-10-17-130-174 sgc-ruby-cuda.git]# rake
(in /root/sgc-ruby-cuda.git)
checking for main() in -lcuda... yes
creating Makefile
g++44 -I. -I/usr/local/include/ruby-1.9.1/x86_64-linux -I/usr/local/include/ruby-1.9.1/ruby/backward -I/usr/local/include/ruby-1.9.1 -I.   -fPIC -O3 -ggdb -Wextra -Wno-unused-parameter -Wno-parentheses -Wpointer-arith -Wwrite-strings -Wno-missing-field-initializers -Wno-long-long   -o rubycu.o -c rubycu.cpp
g++44 -shared -o rubycu.so rubycu.o -L. -L/usr/local/lib -Wl,-R/usr/local/lib -L.  -rdynamic -Wl,-export-dynamic   -lcuda  -lpthread -lrt -ldl -lcrypt -lm   -lc

[root@ip-10-17-130-174 sgc-ruby-cuda.git]# rake test
(in /root/sgc-ruby-cuda.git)
/usr/local/bin/ruby -I"lib:lib" "/usr/local/lib/ruby/1.9.1/rake/rake_test_loader.rb" "test/test_rubycu.rb" 
Loaded suite /usr/local/lib/ruby/1.9.1/rake/rake_test_loader
Started
......................
Finished in 89.055900 seconds.

22 tests, 99 assertions, 0 failures, 0 errors, 0 skips

Test run options: --seed 25668

Compile for rubygems then install it and try some SGC-Ruby-CUDA APIs.

[root@ip-10-17-130-174 sgc-ruby-cuda.git]# rake gem
(in /root/sgc-ruby-cuda.git)
mkdir -p pkg
  Successfully built RubyGem
  Name: sgc-ruby-cuda
  Version: 0.0.1
  File: sgc-ruby-cuda-0.0.1-x86_64-linux.gem
mv sgc-ruby-cuda-0.0.1-x86_64-linux.gem pkg/sgc-ruby-cuda-0.0.1-x86_64-linux.gem

[root@ip-10-17-130-174 sgc-ruby-cuda.git]# cd pkg
[root@ip-10-17-130-174 pkg]# gem install sgc-ruby-cuda-0.0.1-x86_64-linux.gem 
Successfully installed sgc-ruby-cuda-0.0.1-x86_64-linux
1 gem installed
Installing ri documentation for sgc-ruby-cuda-0.0.1-x86_64-linux...
Installing RDoc documentation for sgc-ruby-cuda-0.0.1-x86_64-linux...

[root@ip-10-17-130-174 pkg]# gem list

*** LOCAL GEMS ***

minitest (1.6.0)
rake (0.8.7)
rdoc (2.5.8)
sgc-ruby-cuda (0.0.1 x86_64-linux)

[root@ip-10-17-130-174 pkg]# irb
irb(main):001:0> require 'rubycu'
=> true
irb(main):002:0> include SGC::CU
=> Object
irb(main):004:0> CUDevice.get_count
=> 2
irb(main):005:0> d = CUDevice.get(0)
=> #<SGC::CU::CUDevice:0x0000000908c920>
irb(main):006:0> c = CUContext.new.create(0, d)
=> #<SGC::CU::CUContext:0x0000000907af40>
irb(main):007:0> d.get_name
=> "Tesla M2050"
irb(main):009:0> d.compute_capability
=> {:major=>2, :minor=>0}
irb(main):010:0> d.total_mem
=> 2817982464
Note: Remember to select Cluster GPU, when launching the instance.

7 comments:

  1. Nice work. Keep it up. I'm excited to give it a try.

    ReplyDelete
  2. I got an account, but am too lazy to set up an AMI :P

    Know one with updated OpenCL support? i.e. want to add it to your AMI :)

    ReplyDelete
  3. From the site http://aws.typepad.com/aws/2010/11/new-ec2-instance-type-the-cluster-gpu-instance.html the AMI does support OpenCL. But I didn't try it out. If you are referring to Ruby + OpenCL package, I haven't tried out any out there.

    ReplyDelete
  4. Hi,

    your lib seems awesome, but i am unable to get it to work on MacOSX :-( Do you have any tip/advice ?

    Thanks a lot

    ReplyDelete
  5. I'm working on a major rework to use FFI (https://github.com/ffi/ffi) to interface with the CUDA C library. It is currently in the devel branch of the git repository.

    You can try installing FFI with 'gem install ffi', go into the devel branch with 'git checkout devel'. Check out the test/test_rubycuda.rb or generate the rdoc with 'rake rdoc' on how to use the library.

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