fdm.hip

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/*
 Copyright (c) 2022, The Neko Authors
 All rights reserved.
 
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     with the distribution.
 
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     contributors may be used to endorse or promote products derived
     from this software without specific prior written permission.
 
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 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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*/
 
#include <hip/hip_runtime.h>
#include <device/device_config.h>
#include <device/hip/check.h>
#include "fdm_kernel.h"
 
extern "C" {
 
  void hip_fdm_do_fast(void *e, void *r, void *s, void *d, int *nl, int *nel, hipStream_t stream) {
    const dim3 nthrds(1024, 1, 1);
    const dim3 nblcks(*nel, 1, 1);
 
#define CASE(NL)                                                                 \
    case NL:                                                                     \
    hipLaunchKernelGGL(HIP_KERNEL_NAME(fdm_do_fast_kernel<real,NL>),             \
                       nblcks, nthrds, 0, stream,           \
                       (real *) e, (real *) r,                                   \
                       (real *) s,(real *) d);                                   \
    HIP_CHECK(hipGetLastError());                                                \
    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);
       CASE(15);
     default:
       {
         fprintf(stderr, __FILE__ ": size not supported: %d\n", *nl);
         exit(1);
       }
    }
  }
}