Neko  0.8.99
A portable framework for high-order spectral element flow simulations
opr_cfl.hip
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34 
35 #include <stdio.h>
36 #include <hip/hip_runtime.h>
37 #include <device/device_config.h>
38 #include <device/hip/check.h>
39 #include "cfl_kernel.h"
40 
41 extern "C" {
42 
43 #include <math/bcknd/device/device_mpi_reduce.h>
44 #include <math/bcknd/device/device_mpi_op.h>
45 
49  real *cfl_d = NULL;
50 
54  real hip_cfl(real *dt, void *u, void *v, void *w,
55  void *drdx, void *dsdx, void *dtdx,
56  void *drdy, void *dsdy, void *dtdy,
57  void *drdz, void *dsdz, void *dtdz,
58  void *dr_inv, void *ds_inv, void *dt_inv,
59  void *jacinv, int *nel, int *lx) {
60 
61  const dim3 nthrds(1024, 1, 1);
62  const dim3 nblcks((*nel), 1, 1);
63 
64  if (cfl_d == NULL) {
65  HIP_CHECK(hipMalloc(&cfl_d, (*nel) * sizeof(real)));
66  }
67 
68 #define CASE(LX) \
69  case LX: \
70  hipLaunchKernelGGL(HIP_KERNEL_NAME( cfl_kernel<real, LX, 1024> ), \
71  nblcks, nthrds, 0, (hipStream_t) glb_cmd_queue, \
72  *dt, (real *) u, (real *) v, (real *) w, \
73  (real *) drdx, (real *) dsdx, (real *) dtdx, \
74  (real *) drdy, (real *) dsdy, (real *) dtdy, \
75  (real *) drdz, (real *) dsdz, (real *) dtdz, \
76  (real *) dr_inv, (real *) ds_inv, (real *) dt_inv, \
77  (real *) jacinv, (real *) cfl_d); \
78  HIP_CHECK(hipGetLastError()); \
79  break
80 
81  switch(*lx) {
82  CASE(2);
83  CASE(3);
84  CASE(4);
85  CASE(5);
86  CASE(6);
87  CASE(7);
88  CASE(8);
89  CASE(9);
90  CASE(10);
91  CASE(11);
92  CASE(12);
93  default:
94  {
95  fprintf(stderr, __FILE__ ": size not supported: %d\n", *lx);
96  exit(1);
97  }
98  }
99 
100 
101  hipLaunchKernelGGL(HIP_KERNEL_NAME(cfl_reduce_kernel<real>),
102  1, 1024, 0, (hipStream_t) glb_cmd_queue,
103  cfl_d, (*nel));
104  HIP_CHECK(hipGetLastError());
105 
106  real cfl = 0.0;
107 #ifdef HAVE_DEVICE_MPI
108  HIP_CHECK(hipStreamSynchronize((hipStream_t) glb_cmd_queue));
109  device_mpi_allreduce(cfl_d, &cfl, 1, sizeof(real), DEVICE_MPI_MAX);
110 #else
111  HIP_CHECK(hipMemcpyAsync(&cfl, cfl_d, sizeof(real),
112  hipMemcpyDeviceToHost,
113  (hipStream_t) glb_cmd_queue));
114  HIP_CHECK(hipStreamSynchronize((hipStream_t) glb_cmd_queue));
115 #endif
116 
117 
118  return cfl;
119  }
120 }
dt
__global__ void const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ dt
Definition: cdtp_kernel.h:109
jacinv
__global__ void const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ jacinv
Definition: conv1_kernel.h:148
drdx
__global__ void const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ drdx
Definition: conv1_kernel.h:139
dtdx
__global__ void const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ dtdx
Definition: conv1_kernel.h:141
dtdz
__global__ void const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ dtdz
Definition: conv1_kernel.h:147
u
__global__ void const T *__restrict__ u
Definition: conv1_kernel.h:132
dsdx
__global__ void const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ dsdx
Definition: conv1_kernel.h:140
dtdy
__global__ void const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ dtdy
Definition: conv1_kernel.h:144
dsdz
__global__ void const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ dsdz
Definition: conv1_kernel.h:146
dsdy
__global__ void const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ dsdy
Definition: conv1_kernel.h:143
drdy
__global__ void const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ drdy
Definition: conv1_kernel.h:142
drdz
__global__ void const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ drdz
Definition: conv1_kernel.h:145
w
__global__ void const T *__restrict__ const T *__restrict__ const T *__restrict__ w
Definition: lambda2_kernel.h:244
v
__global__ void const T *__restrict__ const T *__restrict__ v
Definition: lambda2_kernel.h:243
device_config.h
real
double real
Definition: device_config.h:12
glb_cmd_queue
void * glb_cmd_queue
device_mpi_op.h
DEVICE_MPI_MAX
#define DEVICE_MPI_MAX
Definition: device_mpi_op.h:10
device_mpi_allreduce
void device_mpi_allreduce(void *buf_d, void *buf, int count, int nbytes, int op)
Definition: device_mpi_reduce.c:47
device_mpi_reduce.h
cfl_kernel.h
HIP_CHECK
#define HIP_CHECK(err)
Definition: check.h:8
operators::cfl
real(kind=rp) function, public cfl(dt, u, v, w, Xh, coef, nelv, gdim)
Definition: operators.f90:392
cfl_d
real * cfl_d
Definition: opr_cfl.hip:49
CASE
#define CASE(LX)
hip_cfl
real hip_cfl(real *dt, void *u, void *v, void *w, void *drdx, void *dsdx, void *dtdx, void *drdy, void *dsdy, void *dtdy, void *drdz, void *dsdz, void *dtdz, void *dr_inv, void *ds_inv, void *dt_inv, void *jacinv, int *nel, int *lx)
Definition: opr_cfl.hip:54