rhs_maker.cu

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/*
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#include <device/device_config.h>
#include <device/cuda/check.h>
 
#include "sumab_kernel.h"
#include "makeext_kernel.h"
#include "makebdf_kernel.h"
 
extern "C" {
  void rhs_maker_sumab_cuda(void *u, void *v, void *w,
                        void *uu, void *vv, void *ww,
                        void *ulag1, void *ulag2, void *vlag1,
                        void *vlag2, void *wlag1, void *wlag2,
                        real *ab1, real *ab2, real *ab3, int *nab, int *n) {
 
    const dim3 nthrds(1024, 1, 1);
    const dim3 nblcks(((*n) + 1024 - 1) / 1024, 1, 1);
    const cudaStream_t stream = (cudaStream_t) glb_cmd_queue;
 
    sumab_kernel<real>
      <<<nblcks, nthrds, 0, stream>>>((real *) u, (real *) v, (real *) w,
                           (real *) uu, (real *) vv, (real *) ww,
                           (real *) ulag1, (real *) ulag2, (real *) vlag1,
                           (real *) vlag2, (real *) wlag1, (real *) wlag2,
                           *ab1, *ab2, *ab3, *nab, *n);
    CUDA_CHECK(cudaGetLastError());
  }
 
  void rhs_maker_ext_cuda(void *abx1, void *aby1, void *abz1, 
                          void *abx2, void *aby2, void *abz2,
                          void *bfx, void *bfy, void *bfz,
                          real *rho, real *ab1, real *ab2, real *ab3, int *n) {
 
    const dim3 nthrds(1024, 1, 1);
    const dim3 nblcks(((*n) + 1024 - 1) / 1024, 1, 1);
    const cudaStream_t stream = (cudaStream_t) glb_cmd_queue;
    
    makeext_kernel<real>
      <<<nblcks, nthrds, 0, stream>>>((real *) abx1, (real *) aby1,
                                      (real *) abz1, (real *) abx2,
                                      (real *) aby2, (real *) abz2,
                                      (real *) bfx, (real *) bfy,
                                      (real *) bfz, *rho, *ab1,
                                      *ab2, *ab3, *n);
      CUDA_CHECK(cudaGetLastError());
  }
 
  void scalar_rhs_maker_ext_cuda(void *fs_lag, void *fs_laglag, void *fs,
                                 real *rho, real *ext1, real *ext2, real *ext3,
                                 int *n) {
 
    const dim3 nthrds(1024, 1, 1);
    const dim3 nblcks(((*n) + 1024 - 1) / 1024, 1, 1);
    const cudaStream_t stream = (cudaStream_t) glb_cmd_queue;
        
    scalar_makeext_kernel<real>
      <<<nblcks, nthrds, 0, stream>>>((real *) fs_lag,
                                      (real *) fs_laglag,
                                      (real *) fs,
                                      *rho, *ext1, *ext2, *ext3, *n);      
      CUDA_CHECK(cudaGetLastError());
  }
  
  void rhs_maker_bdf_cuda(void *ulag1, void *ulag2, void *vlag1,
                          void *vlag2, void *wlag1, void *wlag2, 
                          void *bfx, void *bfy, void *bfz,
                          void *u, void *v, void *w, void *B, 
                          real *rho, real *dt, real *bd2,
                          real *bd3, real *bd4, int *nbd, int *n) {
 
    const dim3 nthrds(1024, 1, 1);
    const dim3 nblcks(((*n) + 1024 - 1) / 1024, 1, 1);
    const cudaStream_t stream = (cudaStream_t) glb_cmd_queue;
 
    makebdf_kernel<real>
      <<<nblcks, nthrds, 0, stream>>>((real *) ulag1, (real *) ulag2,
                                      (real *) vlag1, (real *) vlag2,
                                      (real *) wlag1, (real *) wlag2, 
                                      (real *) bfx, (real *) bfy, (real *) bfz,
                                      (real *) u, (real *) v, (real *) w,
                                      (real *) B, *rho, *dt,
                                      *bd2, *bd3, *bd4, *nbd,  *n);
    CUDA_CHECK(cudaGetLastError());
  }
 
  void scalar_rhs_maker_bdf_cuda(void *s_lag, void *s_laglag,
                          void *fs,
                          void *s, void *B, 
                          real *rho, real *dt, real *bd2,
                          real *bd3, real *bd4, int *nbd, int *n) {
 
    const dim3 nthrds(1024, 1, 1);
    const dim3 nblcks(((*n) + 1024 - 1) / 1024, 1, 1);
    const cudaStream_t stream = (cudaStream_t) glb_cmd_queue;
 
    scalar_makebdf_kernel<real>
      <<<nblcks, nthrds, 0, stream>>>((real *) s_lag, 
                                      (real *) s_laglag,
                                      (real *) fs,
                                      (real *) s,
                                      (real *) B, 
                                      *rho, *dt, *bd2, *bd3, *bd4, *nbd,  *n);
    CUDA_CHECK(cudaGetLastError());
  }
}