cudaUtil.h

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#ifndef __CUDAUTIL_H
#define __CUDAUTIL_H
 
// for 2D FFT
#define NRANK 2
 
//typical choices of number of threads in a block
// for processing 1D and 2D arrays
#define NTHREADS 512  //
#define NTHREADS2D 16 //
 
#define WARPSIZE 32
#define MAXTHREADS 1024  //2048 for newer GPUs
 
#ifdef __FERMI__ //2.0: M2090
#define MAXBLOCKS 65535  //x
#define MAXBLOCKS2 65535 //y,z
#else //2.0 and above : K40, ...
#define MAXBLOCKS 4294967295 //x
#define MAXBLOCKS2 65535  //y,z
#endif
 
#define IDX2R(i,j,NJ) (((i)*(NJ))+(j))  //row-major order
#define IDX2C(i,j,NI) (((j)*(NI))+(i))  //col-major order
 
#define IDIVUP(i,j) ((i+j-1)/j)
 
#define IMUL(a, b) __mul24(a, b)
 
#ifndef MAX
#define MAX(a,b) (a > b ? a : b)
#endif
 
#ifndef MIN
#define MIN(a,b) (a > b ? b: a)
#endif
 
namespace isc3::matchtemplate::pycuampcor {
 
// compute the next integer in power of 2
inline int nextpower2(int value)
{
    int r=1;
    while (r<value) r<<=1;
    return r;
}
 
} // namespace
 
#endif //__CUDAUTIL_H
//end of file