mThrust demo 01
Illustration of basic mThrust command
Contents
Initilization of the mThrust toolbox
Thrust.init()
mThrust toolbox configuration
CUDA version : 8.0
CUDA sms : 30
CUDA path : /usr/local/cuda
Get properties of the GPU devices
cuda.GetDeviceProperties()
ans =
struct with fields:
Name: 'Quadro K1100M'
Index: 0
ComputeCapability: '3.0'
RuntimeVersion: 8
DriverVersion: 8
TotalMemory: 2.0939e+09
AvailableMemory: 936968192
MultiprocessorCount: 2
CoresByMP: 192
CudaCores: 384
GPUMaxClockRateMhz: 705.5001
MaxThreadsPerBlock: 1024
SharedMemPerBlock: 49152
MaxThreadBlockSize: [1024 1024 64]
MaxGridSize: [2.1475e+09 65535 65535]
Get CUDA Thrust version
Thrust.version()
ans =
1.8.3
transfert on GPU device
H=[14,20,38,46];
D=mThrust(H,'device')
D =
thrust::device_vector<double>[4]
14 20 38 46
Modify directly on the device
D([1,2])=[99,98]
D =
thrust::device_vector<double>[4]
99 98 38 46