fdm.cu

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/*
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#include <device/device_config.h>
#include <device/cuda/check.h>
#include "fdm_kernel.h"
#include <stdio.h>
extern "C" {
 
  void cuda_fdm_do_fast(void *e, void *r, void *s, void *d, int *nl, int *nel, cudaStream_t stream) {
    const dim3 nthrds(1024, 1, 1);
    const dim3 nblcks(*nel, 1, 1);
 
#define CASE(NL)                                                                 \
    case NL:                                                                     \
    fdm_do_fast_kernel<real,NL>                                                  \
      <<<nblcks, nthrds, 0, stream>>>((real *) e, (real *) r,                    \
                                      (real *) s,(real *) d);                    \
    CUDA_CHECK(cudaGetLastError());                                              \
    break;
 
    switch(*nl) {
       CASE(2);
       CASE(3);
       CASE(4);
       CASE(5);
       CASE(6);
       CASE(7);
       CASE(8);
       CASE(9);
       CASE(10);
       CASE(11);
       CASE(12);
       CASE(13);
       CASE(14);
     default:
      {
        fprintf(stderr, __FILE__ ": size not supported: %d\n", *nl);
        exit(1);
      }
 
   }
 
  }
}