Set some constant memory on GPU
setConstantMemory(kern,sym,val) sets the constant memory in
the CUDA kernel
kern with symbol name
contain the data in
val can be any
numeric array, including a gpuArray. The command errors if the named symbol does not
exist or if it is not big enough to contain the specified data. Partially filling a
constant is allowed.
There is no automatic data-type conversion for constant memory, so it is important to make sure that the supplied data is of the correct type for the constant memory symbol being filled.
setConstantMemory(kern,sym1,val1,sym2,val2,...) sets multiple
KERN represents a CUDA kernel whose CU file contains the
following includes and constant definitions:
#include "tmwtypes.h" __constant__ int32_t N1; __constant__ int N2; // Assume 'int' is 32 bits __constant__ double CONST_DATA;
you can fill these with MATLAB data as follows:
KERN = parallel.gpu.CUDAKernel(ptxFile,cudaFile); setConstantMemory(KERN,'N1',int32(10)); setConstantMemory(KERN,'N2',int32(10)); setConstantMemory(KERN,'CONST_DATA',1:10);