scalar_residual.cu

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/*
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#include <device/device_config.h>
#include <device/cuda/check.h>
 
#include "scalar_residual_update_kernel.h"
 
extern "C" {
 
  void scalar_residual_update_cuda(void *s_res, void *f_s, 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_residual_update_kernel<real>
      <<<nblcks, nthrds, 0, stream>>>((real *) s_res,
                                      (real *) f_s, *n);
    CUDA_CHECK(cudaGetLastError());
  }
    
}