CUDA installation on Ubuntu
From Teknologisk videncenter
prerequisite
Installation of
Installation test
#include <stdio.h>
int main( void ) {
cudaDeviceProp prop;
int count;
cudaGetDeviceCount( &count );
for (int i=0; i< count; i++) {
cudaGetDeviceProperties( &prop, i );
printf( " --- General Information for device %d ---\n", i );
printf( "Name: %s\n", prop.name );
printf( "Compute capability: %d.%d\n", prop.major, prop.minor );
printf( "Clock rate: %d\n", prop.clockRate );
printf( "Device copy overlap: " );
if (prop.deviceOverlap)
printf( "Enabled\n" );
else
printf( "Disabled\n");
printf( "Kernel execution timeout : " );
if (prop.kernelExecTimeoutEnabled)
printf( "Enabled\n" );
else
printf( "Disabled\n" );
printf( " --- Memory Information for device %d ---\n", i );
printf( "Total global mem: %ld\n", prop.totalGlobalMem );
printf( "Total constant Mem: %ld\n", prop.totalConstMem );
printf( "Max mem pitch: %ld\n", prop.memPitch );
printf( "Texture Alignment: %ld\n", prop.textureAlignment );
printf( " --- MP Information for device %d ---\n", i );
printf( "Multiprocessor count: %d\n",
prop.multiProcessorCount );
printf( "Shared mem per mp: %ld\n", prop.sharedMemPerBlock );
printf( "Registers per mp: %d\n", prop.regsPerBlock );
printf( "Threads in warp: %d\n", prop.warpSize );
printf( "Max threads per block: %d\n",
prop.maxThreadsPerBlock );
printf( "Max thread dimensions: (%d, %d, %d)\n",
prop.maxThreadsDim[0], prop.maxThreadsDim[1],
prop.maxThreadsDim[2] );
printf( "Max grid dimensions: (%d, %d, %d)\n",
prop.maxGridSize[0], prop.maxGridSize[1],
prop.maxGridSize[2] );
printf( "\n" );
}
}
Compile and run the program
heth@MachoGPU:~/cuda$ nvcc enum.cu -o enum
heth@MachoGPU:~/cuda$ ./enum
--- General Information for device 0 ---
Name: GeForce GTS 250
Compute capability: 1.1
Clock rate: 1620000
Device copy overlap: Enabled
Kernel execution timeout : Disabled
--- Memory Information for device 0 ---
Total global mem: 1073020928
Total constant Mem: 65536
Max mem pitch: 2147483647
Texture Alignment: 256
--- MP Information for device 0 ---
Multiprocessor count: 16
Shared mem per mp: 16384
Registers per mp: 8192
Threads in warp: 32
Max threads per block: 512
Max thread dimensions: (512, 512, 64)
Max grid dimensions: (65535, 65535, 1)
heth@MachoGPU:~/cuda$