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Neko 0.9.99
A portable framework for high-order spectral element flow simulations
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opr_cfl.hip
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33*/
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
41extern "C" {
42
43#include <math/bcknd/device/device_mpi_reduce.h>
44#include <math/bcknd/device/device_mpi_op.h>
45
46#ifdef HAVE_RCCL
47#include <math/bcknd/device/device_nccl_reduce.h>
48#include <math/bcknd/device/device_nccl_op.h>
49#endif
50
54 real *cfl_d = NULL;
55
59 real hip_cfl(real *dt, void *u, void *v, void *w,
60 void *drdx, void *dsdx, void *dtdx,
61 void *drdy, void *dsdy, void *dtdy,
62 void *drdz, void *dsdz, void *dtdz,
63 void *dr_inv, void *ds_inv, void *dt_inv,
64 void *jacinv, int *nel, int *lx) {
65
66 const dim3 nthrds(1024, 1, 1);
67 const dim3 nblcks((*nel), 1, 1);
68
69 if (cfl_d == NULL) {
70 HIP_CHECK(hipMalloc(&cfl_d, (*nel) * sizeof(real)));
71 }
72
73#define CASE(LX) \
74 case LX: \
75 hipLaunchKernelGGL(HIP_KERNEL_NAME( cfl_kernel<real, LX, 1024> ), \
76 nblcks, nthrds, 0, (hipStream_t) glb_cmd_queue, \
77 *dt, (real *) u, (real *) v, (real *) w, \
78 (real *) drdx, (real *) dsdx, (real *) dtdx, \
79 (real *) drdy, (real *) dsdy, (real *) dtdy, \
80 (real *) drdz, (real *) dsdz, (real *) dtdz, \
81 (real *) dr_inv, (real *) ds_inv, (real *) dt_inv, \
82 (real *) jacinv, (real *) cfl_d); \
83 HIP_CHECK(hipGetLastError()); \
84 break
85
86 switch(*lx) {
87 CASE(2);
88 CASE(3);
89 CASE(4);
90 CASE(5);
91 CASE(6);
92 CASE(7);
93 CASE(8);
94 CASE(9);
95 CASE(10);
96 CASE(11);
97 CASE(12);
98 default:
99 {
100 fprintf(stderr, __FILE__ ": size not supported: %d\n", *lx);
101 exit(1);
102 }
103 }
104
105
106 hipLaunchKernelGGL(HIP_KERNEL_NAME(cfl_reduce_kernel<real>),
107 1, 1024, 0, (hipStream_t) glb_cmd_queue,
108 cfl_d, (*nel));
109 HIP_CHECK(hipGetLastError());
110
111 real cfl = 0.0;
112#ifdef HAVE_RCCL
113 device_nccl_allreduce(cfl_d, cfl_d, 1, sizeof(real),
114 DEVICE_NCCL_MAX, glb_cmd_queue);
115 HIP_CHECK(hipMemcpyAsync(&cfl, cfl_d, sizeof(real),
116 hipMemcpyDeviceToHost,
117 (hipStream_t) glb_cmd_queue));
118 HIP_CHECK(hipStreamSynchronize((hipStream_t) glb_cmd_queue));
119#elif HAVE_DEVICE_MPI
120 HIP_CHECK(hipStreamSynchronize((hipStream_t) glb_cmd_queue));
121 device_mpi_allreduce(cfl_d, &cfl, 1, sizeof(real), DEVICE_MPI_MAX);
122#else
123 HIP_CHECK(hipMemcpyAsync(&cfl, cfl_d, sizeof(real),
124 hipMemcpyDeviceToHost,
125 (hipStream_t) glb_cmd_queue));
126 HIP_CHECK(hipStreamSynchronize((hipStream_t) glb_cmd_queue));
127#endif
128
129
130 return cfl;
131 }
132}
drdy
__global__ void T *__restrict__ 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 ax_helm_full_kernel.h:54
drdz
__global__ void T *__restrict__ 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 ax_helm_full_kernel.h:55
dsdz
__global__ void T *__restrict__ 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 ax_helm_full_kernel.h:58
dsdy
__global__ void T *__restrict__ 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__ dsdy
Definition ax_helm_full_kernel.h:57
w
__global__ void T *__restrict__ T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ w
Definition ax_helm_full_kernel.h:48
dtdy
__global__ void T *__restrict__ 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__ dtdy
Definition ax_helm_full_kernel.h:60
u
__global__ void T *__restrict__ T *__restrict__ const T *__restrict__ u
Definition ax_helm_full_kernel.h:46
drdx
__global__ void T *__restrict__ 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__ drdx
Definition ax_helm_full_kernel.h:53
dtdz
__global__ void T *__restrict__ 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__ dtdz
Definition ax_helm_full_kernel.h:61
dsdx
__global__ void T *__restrict__ 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__ dsdx
Definition ax_helm_full_kernel.h:56
v
__global__ void T *__restrict__ T *__restrict__ const T *__restrict__ const T *__restrict__ v
Definition ax_helm_full_kernel.h:47
dtdx
__global__ void T *__restrict__ 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__ dtdx
Definition ax_helm_full_kernel.h:59
jacinv
__global__ void T *__restrict__ 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__ const T *__restrict__ jacinv
Definition ax_helm_full_kernel.h:62
dt
__global__ void const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ dt
Definition cdtp_kernel.h:109
dirichlet_apply_scalar_kernel
__global__ void dirichlet_apply_scalar_kernel(const int *__restrict__ msk, T *__restrict__ x, const T g, const int m)
Definition dirichlet_kernel.h:42
device_config.h
real
double real
Definition device_config.h:12
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:46
device_mpi_reduce.h
device_nccl_op.h
DEVICE_NCCL_MAX
#define DEVICE_NCCL_MAX
Definition device_nccl_op.h:10
device_nccl_allreduce
void device_nccl_allreduce(void *sbuf_d, void *rbuf_d, int count, int nbytes, int op, void *stream)
Definition device_nccl_reduce.c:45
device_nccl_reduce.h
cfl_kernel.h
HIP_CHECK
#define HIP_CHECK(err)
Definition check.h:8
cfl_d
real * cfl_d
Definition opr_cfl.hip:54
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:59