Neko  0.9.99
A portable framework for high-order spectral element flow simulations
opr_lambda2.hip
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34 
35 #include <string.h>
36 #include <stdlib.h>
37 #include <stdio.h>
38 #include <hip/hip_runtime.h>
39 #include "lambda2_kernel.h"
40 #include <device/device_config.h>
41 #include <device/hip/check.h>
42 
43 extern "C" {
44  #include <common/neko_log.h>
45 }
46 
47 template < const int >
48 int tune_lambda2(void *ux, void *uy, void *uz, void *u,
49  void *dx, void *dy, void *dz,
50  void *drdx, void *dsdx, void *dtdx,
51  void *drdy, void *dsdy, void *dtdy,
52  void *drdz, void *dsdz, void *dtdz,
53  void *jacinv, int *nel, int *lx);
54 
55 extern "C" {
56 
60  void hip_lambda2(void *lambda2, void *u, void *v, void *w,
61  void *dx, void *dy, void *dz,
62  void *drdx, void *dsdx, void *dtdx,
63  void *drdy, void *dsdy, void *dtdy,
64  void *drdz, void *dsdz, void *dtdz,
65  void *jacinv, int *nel, int *lx) {
66 
67  static int autotune[17] = { 0 };
68 
69  const dim3 nthrds_1d(1024, 1, 1);
70  const dim3 nthrds_kstep((*lx), (*lx), 1);
71  const dim3 nblcks((*nel), 1, 1);
72  const hipStream_t stream = (hipStream_t) glb_cmd_queue;
73 
74 #define CASE_1D(LX) \
75  hipLaunchKernelGGL( HIP_KERNEL_NAME(lambda2_kernel_1d<real, LX, 1024> ), \
76  nblcks, nthrds_1d, 0, (hipStream_t) glb_cmd_queue, \
77  (real *) lambda2, (real *) u, (real *) v, (real *) w, \
78  (real *) dx, (real *) dy, (real *) dz, \
79  (real *) drdx, (real *) dsdx, (real *) dtdx, \
80  (real *) drdy, (real *) dsdy, (real *) dtdy, \
81  (real *) drdz, (real *) dsdz, (real *) dtdz, \
82  (real *) jacinv); \
83  HIP_CHECK(hipGetLastError());
84 
85 
86 
87 #define CASE_KSTEP(LX) \
88  hipLaunchKernelGGL( HIP_KERNEL_NAME(lambda2_kernel_kstep<real, LX> ), \
89  nblcks, nthrds_kstep, 0, (hipStream_t) glb_cmd_queue, \
90  (real *) lambda2, (real *) u, (real *) v, (real *) w, \
91  (real *) dx, (real *) dy, (real *) dz, \
92  (real *) drdx, (real *) dsdx, (real *) dtdx, \
93  (real *) drdy, (real *) dsdy, (real *) dtdy, \
94  (real *) drdz, (real *) dsdz, (real *) dtdz, \
95  (real *) jacinv); \
96  HIP_CHECK(hipGetLastError());
97 
98 #define CASE(LX) \
99  case LX: \
100  if(autotune[LX] == 0 ) { \
101  autotune[LX]=tune_lambda2<LX>(lambda2, u, v, w, \
102  dx, dy, dz, \
103  drdx, dsdx, dtdx, \
104  drdy, dsdy, dtdy, \
105  drdz, dsdz, dtdz, \
106  jacinv, nel, lx); \
107  } else if (autotune[LX] == 1 ) { \
108  CASE_1D(LX); \
109  } else if (autotune[LX] == 2 ) { \
110  CASE_KSTEP(LX); \
111  } \
112  break
113 
114  switch(*lx) {
115  CASE(2);
116  CASE(3);
117  CASE(4);
118  CASE(5);
119  CASE(6);
120  CASE(7);
121  CASE(8);
122  CASE(9);
123  CASE(10);
124  CASE(11);
125  CASE(12);
126  default:
127  {
128  fprintf(stderr, __FILE__ ": size not supported: %d\n", *lx);
129  exit(1);
130  }
131  }
132  }
133 }
134 
135 template < const int LX >
136 int tune_lambda2(void *lambda2, void *u, void *v, void *w,
137  void *dx, void *dy, void *dz,
138  void *drdx, void *dsdx, void *dtdx,
139  void *drdy, void *dsdy, void *dtdy,
140  void *drdz, void *dsdz, void *dtdz,
141  void *jacinv, int *nel, int *lx) {
142  hipEvent_t start,stop;
143  float time1,time2;
144  int retval;
145 
146  const dim3 nthrds_1d(1024, 1, 1);
147  const dim3 nthrds_kstep((*lx), (*lx), 1);
148  const dim3 nblcks((*nel), 1, 1);
149  const hipStream_t stream = (hipStream_t) glb_cmd_queue;
150 
151  char *env_value = NULL;
152  char neko_log_buf[80];
153 
154  env_value=getenv("NEKO_AUTOTUNE");
155 
156  sprintf(neko_log_buf, "Autotune lambda2 (lx: %d)", *lx);
157  log_section(neko_log_buf);
158 
159  if(env_value) {
160  if( !strcmp(env_value,"1D") ) {
161  CASE_1D(LX);
162  sprintf(neko_log_buf,"Set by env : 1 (1D)");
163  log_message(neko_log_buf);
164  log_end_section();
165  return 1;
166  } else if( !strcmp(env_value,"KSTEP") ) {
167  CASE_KSTEP(LX);
168  sprintf(neko_log_buf,"Set by env : 2 (KSTEP)");
169  log_message(neko_log_buf);
170  log_end_section();
171  return 2;
172  } else {
173  sprintf(neko_log_buf, "Invalid value set for NEKO_AUTOTUNE");
174  log_error(neko_log_buf);
175  }
176  }
177 
178  HIP_CHECK(hipEventCreate(&start));
179  HIP_CHECK(hipEventCreate(&stop));
180 
181  HIP_CHECK(hipEventRecord(start,0));
182 
183  for(int i = 0; i < 100; i++) {
184  CASE_1D(LX);
185  }
186 
187  HIP_CHECK(hipEventRecord(stop,0));
188  HIP_CHECK(hipEventSynchronize(stop));
189  HIP_CHECK(hipEventElapsedTime(&time1, start, stop));
190 
191  HIP_CHECK(hipEventRecord(start,0));
192 
193  for(int i = 0; i < 100; i++) {
194  CASE_KSTEP(LX);
195  }
196 
197  HIP_CHECK(hipEventRecord(stop,0));
198  HIP_CHECK(hipEventSynchronize(stop));
199  HIP_CHECK(hipEventElapsedTime(&time2, start, stop));
200 
201  if(time1 < time2) {
202  retval = 1;
203  } else {
204  retval = 2;
205  }
206 
207  sprintf(neko_log_buf, "Chose : %d (%s)", retval,
208  (retval > 1 ? "KSTEP" : "1D"));
209  log_message(neko_log_buf);
210  log_end_section();
211  return retval;
212 }
213 
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
i
const int i
Definition: ax_helm_full_kernel.h:95
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
dx
__global__ void T *__restrict__ T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ dx
Definition: ax_helm_full_kernel.h:49
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
dz
__global__ void T *__restrict__ T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ dz
Definition: ax_helm_full_kernel.h:51
dy
__global__ void T *__restrict__ T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ dy
Definition: ax_helm_full_kernel.h:50
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
uy
__global__ void T *__restrict__ uy
Definition: opgrad_kernel.h:126
uz
__global__ void T *__restrict__ T *__restrict__ uz
Definition: opgrad_kernel.h:127
device_config.h
glb_cmd_queue
void * glb_cmd_queue
HIP_CHECK
#define HIP_CHECK(err)
Definition: check.h:8
lambda2_kernel.h
lambda2
A simulation component that computes lambda2 The values are stored in the field registry under the na...
Definition: lambda2.f90:37
neko_log.h
log_error
void log_error(char *msg)
log_message
void log_message(char *msg)
log_end_section
void log_end_section()
log_section
void log_section(char *msg)
CASE
#define CASE(LX)
CASE_KSTEP
#define CASE_KSTEP(LX)
hip_lambda2
void hip_lambda2(void *lambda2, void *u, void *v, void *w, void *dx, void *dy, void *dz, void *drdx, void *dsdx, void *dtdx, void *drdy, void *dsdy, void *dtdy, void *drdz, void *dsdz, void *dtdz, void *jacinv, int *nel, int *lx)
Definition: opr_lambda2.hip:60
CASE_1D
#define CASE_1D(LX)
tune_lambda2
int tune_lambda2(void *ux, void *uy, void *uz, void *u, void *dx, void *dy, void *dz, void *drdx, void *dsdx, void *dtdx, void *drdy, void *dsdy, void *dtdy, void *drdz, void *dsdz, void *dtdz, void *jacinv, int *nel, int *lx)
Definition: opr_lambda2.hip:136