Elixir CUDA Example
Example of controlling CUDA-using-CNode with Elixir.
Usage
Compile Elixir lib
$ make
Now try sub-chapters
Basic CNode
Try basic CNode first - this blocks terminal
$ make basic_cnode
Start iex
$ make start_elixir
You can now send commands to CNode ie.
iex> ElixirCudaExample.foo 1
2
Stand-alone CUDA program
Try to execute simple CUDA program
$ make cuda_standalone
mkdir -p bin
/usr/local/cuda/bin/nvcc -g -G -Xcompiler -Wall cnode/cuda_standalone.cu -o bin/cuda_standalone
./bin/cuda_standalone
0 + 0 = 0
-1 + 1 = 0
-2 + 4 = 2
-3 + 9 = 6
-4 + 16 = 12
-5 + 25 = 20
-6 + 36 = 30
-7 + 49 = 42
-8 + 64 = 56
-9 + 81 = 72
CUDA-using-CNode
Now both programs combined
$ make cuda_cnode
Start iex
$ make start_elixir
Send command to CNode
iex> ElixirCudaExample.foo 1
-1
// while on CNode terminal
Connected to e1@NEWBORN
-1 + 0 = -1
-1 + 1 = 0
-1 + 2 = 1
-1 + 3 = 2
-1 + 4 = 3
-1 + 5 = 4
-1 + 6 = 5
-1 + 7 = 6
-1 + 8 = 7
-1 + 9 = 8
Installation
CUDA SDK - Ubuntu 14.04
$ sudo dpkg -i cuda-repo-ubuntu1404_7.5-18_amd64.deb
$ sudo apt-get update
$ sudo apt-get install cuda
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