Neko  0.9.99
A portable framework for high-order spectral element flow simulations
ax_helm.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 <device/device_config.h>
40 #include <device/hip/check.h>
41 #include "ax_helm_kernel.h"
42 
43 extern "C" {
44  #include <common/neko_log.h>
45 }
46 
47 template < const int>
48 int tune(void *w, void *u, void *dx, void *dy, void *dz,
49  void *dxt, void *dyt, void *dzt, void *h1,
50  void *g11, void *g22, void *g33, void *g12,
51  void *g13, void *g23, int *nelv, int *lx);
52 
53 template < const int>
54 int tune_padded(void *w, void *u, void *dx, void *dy, void *dz,
55  void *dxt, void *dyt, void *dzt, void *h1,
56  void *g11, void *g22, void *g33, void *g12,
57  void *g13, void *g23, int *nelv, int *lx);
58 
59 extern "C" {
60 
64  void hip_ax_helm(void *w, void *u, void *dx, void *dy, void *dz,
65  void *dxt, void *dyt, void *dzt, void *h1,
66  void *g11, void *g22, void *g33, void *g12,
67  void *g13, void *g23, int *nelv, int *lx) {
68 
69  static int autotune[13] = { 0 };
70 
71  const dim3 nthrds_1d(1024, 1, 1);
72  const dim3 nblcks_1d((*nelv), 1, 1);
73  const dim3 nthrds_kstep((*lx), (*lx), 1);
74  const dim3 nblcks_kstep((*nelv), 1, 1);
75 
76 #define CASE_1D(LX) \
77  hipLaunchKernelGGL(HIP_KERNEL_NAME( ax_helm_kernel_1d<real, LX, 1024> ), \
78  nblcks_1d, nthrds_1d, 0, \
79  (hipStream_t) glb_cmd_queue, \
80  (real *) w, (real *) u, \
81  (real *) dx, (real *) dy, (real *) dz, \
82  (real *) dxt, (real *) dyt, (real *) dzt, (real *) h1, \
83  (real *) g11, (real *) g22, (real *) g33, \
84  (real *) g12, (real *) g13, (real *) g23); \
85  HIP_CHECK(hipGetLastError());
86 
87 #define CASE_KSTEP(LX) \
88  hipLaunchKernelGGL( HIP_KERNEL_NAME( ax_helm_kernel_kstep<real, LX> ), \
89  nblcks_kstep, nthrds_kstep, 0, \
90  (hipStream_t) glb_cmd_queue, \
91  (real *) w, (real *) u, \
92  (real *) dx, (real *) dy, (real *) dz, (real *) h1, \
93  (real *) g11, (real *) g22, (real *) g33, \
94  (real *) g12, (real *) g13, (real *) g23); \
95  HIP_CHECK(hipGetLastError());
96 
97 
98 
99 #define CASE_KSTEP_PADDED(LX) \
100  hipLaunchKernelGGL( HIP_KERNEL_NAME(ax_helm_kernel_kstep_padded<real, LX> ),\
101  nblcks_kstep, nthrds_kstep, 0, \
102  (hipStream_t) glb_cmd_queue, \
103  (real *) w, (real *) u, \
104  (real *) dx, (real *) dy, (real *) dz, (real *) h1, \
105  (real *) g11, (real *) g22, (real *) g33, \
106  (real *) g12, (real *) g13, (real *) g23); \
107  HIP_CHECK(hipGetLastError());
108 
109 #define CASE(LX) \
110  case LX: \
111  if(autotune[LX] == 0 ) { \
112  autotune[LX]=tune<LX>( w, u, \
113  dx, dy, dz, \
114  dxt, dyt, dzt,h1, \
115  g11, g22, g33, \
116  g12, g13, g23, nelv, lx); \
117  } else if (autotune[LX] == 1 ) { \
118  CASE_1D(LX); \
119  } else if (autotune[LX] == 2 ) { \
120  CASE_KSTEP(LX); \
121  } \
122  break
123 
124 
125 #define CASE_PADDED(LX) \
126  case LX: \
127  if(autotune[LX] == 0 ) { \
128  autotune[LX]=tune_padded<LX>(w, u, \
129  dx, dy, dz, \
130  dxt, dyt, dzt,h1, \
131  g11, g22, g33, \
132  g12, g13, g23,nelv,lx); \
133  } else if (autotune[LX] == 1 ) { \
134  CASE_1D(LX); \
135  } else if (autotune[LX] == 2 ) { \
136  CASE_KSTEP_PADDED(LX); \
137  } \
138  break
139 
140 
141  switch(*lx) {
142  CASE(2);
143  CASE(3);
144  CASE(4);
145  CASE(5);
146  CASE(6);
147  CASE(7);
148  CASE_PADDED(8);
149  CASE(9);
150  CASE(10);
151  CASE(11);
152  CASE(12);
153  default:
154  {
155  fprintf(stderr, __FILE__ ": size not supported: %d\n", *lx);
156  exit(1);
157  }
158  }
159  }
163  void hip_ax_helm_vector(void *au, void *av, void *aw,
164  void *u, void *v, void *w,
165  void *dx, void *dy, void *dz,
166  void *dxt, void *dyt, void *dzt,
167  void *h1, void *g11, void *g22,
168  void *g33, void *g12, void *g13,
169  void *g23, int *nelv, int *lx) {
170 
171  const dim3 nthrds((*lx), (*lx), 1);
172  const dim3 nblcks((*nelv), 1, 1);
173 
174 #define CASE_VECTOR_KSTEP(LX) \
175  hipLaunchKernelGGL( HIP_KERNEL_NAME( ax_helm_kernel_vector_kstep<real, LX> ), \
176  nblcks, nthrds, 0, \
177  (hipStream_t) glb_cmd_queue, \
178  (real *) au, (real *) av, (real *) aw, \
179  (real *) u, (real *) v, (real *) w, \
180  (real *) dx, (real *) dy, (real *) dz, (real *) h1, \
181  (real *) g11, (real *) g22, (real *) g33, \
182  (real *) g12, (real *) g13, (real *) g23); \
183  HIP_CHECK(hipGetLastError());
184 
185 #define CASE_VECTOR_KSTEP_PADDED(LX) \
186  hipLaunchKernelGGL( HIP_KERNEL_NAME( ax_helm_kernel_vector_kstep_padded<real, LX> ), \
187  nblcks, nthrds, 0, \
188  (hipStream_t) glb_cmd_queue, \
189  (real *) au, (real *) av, (real *) aw, \
190  (real *) u, (real *) v, (real *) w, \
191  (real *) dx, (real *) dy, (real *) dz, (real *) h1, \
192  (real *) g11, (real *) g22, (real *) g33, \
193  (real *) g12, (real *) g13, (real *) g23); \
194  HIP_CHECK(hipGetLastError());
195 
196 #define CASE_VECTOR(LX) \
197  case LX: \
198  CASE_VECTOR_KSTEP(LX); \
199  break
200 
201 #define CASE_VECTOR_PADDED(LX) \
202  case LX: \
203  CASE_VECTOR_KSTEP_PADDED(LX); \
204  break
205 
206  switch(*lx) {
207  CASE_VECTOR(2);
208  CASE_VECTOR(3);
209  CASE_VECTOR_PADDED(4);
210  CASE_VECTOR(5);
211  CASE_VECTOR(6);
212  CASE_VECTOR(7);
213  CASE_VECTOR_PADDED(8);
214  CASE_VECTOR(9);
215  CASE_VECTOR(10);
216  CASE_VECTOR(11);
217  CASE_VECTOR(12);
218  CASE_VECTOR(13);
219  CASE_VECTOR(14);
220  CASE_VECTOR(15);
221  CASE_VECTOR_PADDED(16);
222  default:
223  {
224  fprintf(stderr, __FILE__ ": size not supported: %d\n", *lx);
225  exit(1);
226  }
227  }
228  }
229 
233  void hip_ax_helm_vector_part2(void *au, void *av, void *aw,
234  void *u, void *v, void *w,
235  void *h2, void *B, int *n) {
236 
237  const dim3 nthrds(1024, 1, 1);
238  const dim3 nblcks(((*n)+1024 - 1)/ 1024, 1, 1);
239  const hipStream_t stream = (hipStream_t) glb_cmd_queue;
240 
241  hipLaunchKernelGGL( HIP_KERNEL_NAME( ax_helm_kernel_vector_part2<real> ),
242  nblcks, nthrds, 0, stream,
243  (real *) au, (real *) av, (real *) aw,
244  (real *) u, (real *) v, (real *) w,
245  (real *) h2, (real *) B, *n);
246  }
247 
248 }
249 
250 template < const int LX >
251 int tune(void *w, void *u, void *dx, void *dy, void *dz,
252  void *dxt, void *dyt, void *dzt, void *h1,
253  void *g11, void *g22, void *g33, void *g12,
254  void *g13, void *g23, int *nelv, int *lx) {
255  hipEvent_t start,stop;
256  float time1,time2;
257  int retval;
258 
259  const dim3 nthrds_1d(1024, 1, 1);
260  const dim3 nblcks_1d((*nelv), 1, 1);
261  const dim3 nthrds_kstep((*lx), (*lx), 1);
262  const dim3 nblcks_kstep((*nelv), 1, 1);
263 
264  char *env_value = NULL;
265  char neko_log_buf[80];
266 
267  env_value=getenv("NEKO_AUTOTUNE");
268 
269  sprintf(neko_log_buf, "Autotune Ax helm (lx: %d)", *lx);
270  log_section(neko_log_buf);
271 
272  if(env_value) {
273  if( !strcmp(env_value,"1D") ) {
274  CASE_1D(LX);
275  sprintf(neko_log_buf,"Set by env : 1 (1D)");
276  log_message(neko_log_buf);
277  log_end_section();
278  return 1;
279  } else if( !strcmp(env_value,"KSTEP") ) {
280  CASE_KSTEP(LX);
281  sprintf(neko_log_buf,"Set by env : 2 (KSTEP)");
282  log_message(neko_log_buf);
283  log_end_section();
284  return 2;
285  } else {
286  sprintf(neko_log_buf, "Invalid value set for NEKO_AUTOTUNE");
287  log_error(neko_log_buf);
288  }
289  }
290 
291  HIP_CHECK(hipEventCreate(&start));
292  HIP_CHECK(hipEventCreate(&stop));
293 
294  HIP_CHECK(hipEventRecord(start,0));
295 
296  for(int i = 0; i < 100; i++) {
297  CASE_1D(LX);
298  }
299 
300  HIP_CHECK(hipEventRecord(stop,0));
301  HIP_CHECK(hipEventSynchronize(stop));
302  HIP_CHECK(hipEventElapsedTime(&time1, start, stop));
303 
304  HIP_CHECK(hipEventRecord(start,0));
305 
306  for(int i = 0; i < 100; i++) {
307  CASE_KSTEP(LX);
308  }
309 
310  HIP_CHECK(hipEventRecord(stop,0));
311  HIP_CHECK(hipEventSynchronize(stop));
312  HIP_CHECK(hipEventElapsedTime(&time2, start, stop));
313 
314  if(time1 < time2) {
315  retval = 1;
316  } else {
317  retval = 2;
318  }
319 
320  sprintf(neko_log_buf, "Chose : %d (%s)", retval,
321  (retval > 1 ? "KSTEP" : "1D"));
322  log_message(neko_log_buf);
323  log_end_section();
324  return retval;
325 }
326 
327 template < const int LX >
328 int tune_padded(void *w, void *u, void *dx, void *dy, void *dz,
329  void *dxt, void *dyt, void *dzt, void *h1,
330  void *g11, void *g22, void *g33, void *g12,
331  void *g13, void *g23, int *nelv, int *lx) {
332  hipEvent_t start, stop;
333  float time1, time2;
334  int retval;
335 
336  const dim3 nthrds_1d(1024, 1, 1);
337  const dim3 nblcks_1d((*nelv), 1, 1);
338  const dim3 nthrds_kstep((*lx), (*lx), 1);
339  const dim3 nblcks_kstep((*nelv), 1, 1);
340 
341  char *env_value = NULL;
342  char neko_log_buf[80];
343 
344  env_value=getenv("NEKO_AUTOTUNE");
345 
346  sprintf(neko_log_buf, "Autotune Ax helm (lx: %d)", *lx);
347  log_section(neko_log_buf);
348 
349  if(env_value) {
350  if( !strcmp(env_value,"1D") ) {
351  CASE_1D(LX);
352  sprintf(neko_log_buf,"Set by env : 1 (1D)");
353  log_message(neko_log_buf);
354  log_end_section();
355  return 1;
356  } else if( !strcmp(env_value,"KSTEP") ) {
357  CASE_KSTEP(LX);
358  sprintf(neko_log_buf,"Set by env : 2 (KSTEP)");
359  log_message(neko_log_buf);
360  log_end_section();
361  return 2;
362  } else {
363  sprintf(neko_log_buf, "Invalid value set for NEKO_AUTOTUNE");
364  log_error(neko_log_buf);
365  }
366  }
367 
368  HIP_CHECK(hipEventCreate(&start));
369  HIP_CHECK(hipEventCreate(&stop));
370 
371  HIP_CHECK(hipEventRecord(start,0));
372 
373  for(int i = 0; i < 100; i++) {
374  CASE_1D(LX);
375  }
376 
377  HIP_CHECK(hipEventRecord(stop, 0));
378  HIP_CHECK(hipEventSynchronize(stop));
379  HIP_CHECK(hipEventElapsedTime(&time1, start, stop));
380 
381  HIP_CHECK(hipEventRecord(start, 0));
382 
383  for(int i = 0; i < 100; i++) {
384  CASE_KSTEP_PADDED(LX);
385  }
386 
387  HIP_CHECK(hipEventRecord(stop, 0));
388  HIP_CHECK(hipEventSynchronize(stop));
389  HIP_CHECK(hipEventElapsedTime(&time2, start, stop));
390 
391  if(time1 < time2) {
392  retval=1;
393  } else {
394  retval=2;
395  }
396 
397  sprintf(neko_log_buf, "Chose : %d (%s)", retval,
398  (retval > 1 ? "KSTEP" : "1D"));
399  log_message(neko_log_buf);
400  log_end_section();
401  return retval;
402 }
CASE_VECTOR
#define CASE_VECTOR(LX)
CASE
#define CASE(LX)
CASE_KSTEP
#define CASE_KSTEP(LX)
hip_ax_helm_vector_part2
void hip_ax_helm_vector_part2(void *au, void *av, void *aw, void *u, void *v, void *w, void *h2, void *B, int *n)
Definition: ax_helm.hip:233
tune
int tune(void *w, void *u, void *dx, void *dy, void *dz, void *dxt, void *dyt, void *dzt, void *h1, void *g11, void *g22, void *g33, void *g12, void *g13, void *g23, int *nelv, int *lx)
Definition: ax_helm.hip:251
CASE_PADDED
#define CASE_PADDED(LX)
CASE_1D
#define CASE_1D(LX)
CASE_KSTEP_PADDED
#define CASE_KSTEP_PADDED(LX)
hip_ax_helm_vector
void hip_ax_helm_vector(void *au, void *av, void *aw, void *u, void *v, void *w, void *dx, void *dy, void *dz, void *dxt, void *dyt, void *dzt, void *h1, void *g11, void *g22, void *g33, void *g12, void *g13, void *g23, int *nelv, int *lx)
Definition: ax_helm.hip:163
hip_ax_helm
void hip_ax_helm(void *w, void *u, void *dx, void *dy, void *dz, void *dxt, void *dyt, void *dzt, void *h1, void *g11, void *g22, void *g33, void *g12, void *g13, void *g23, int *nelv, int *lx)
Definition: ax_helm.hip:64
tune_padded
int tune_padded(void *w, void *u, void *dx, void *dy, void *dz, void *dxt, void *dyt, void *dzt, void *h1, void *g11, void *g22, void *g33, void *g12, void *g13, void *g23, int *nelv, int *lx)
Definition: ax_helm.hip:328
CASE_VECTOR_PADDED
#define CASE_VECTOR_PADDED(LX)
aw
__global__ void T *__restrict__ T *__restrict__ aw
Definition: ax_helm_full_kernel.h:45
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
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
av
__global__ void T *__restrict__ av
Definition: ax_helm_full_kernel.h:44
v
__global__ void T *__restrict__ T *__restrict__ const T *__restrict__ const T *__restrict__ v
Definition: ax_helm_full_kernel.h:47
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
h1
__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__ h1
Definition: ax_helm_full_kernel.h:52
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
dzt
__global__ void const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ dzt
Definition: cdtp_kernel.h:112
dyt
__global__ void const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ dyt
Definition: cdtp_kernel.h:111
dxt
__global__ void const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ dxt
Definition: cdtp_kernel.h:110
device_config.h
real
double real
Definition: device_config.h:12
glb_cmd_queue
void * glb_cmd_queue
ax_helm_kernel.h
g23
__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__ g23
Definition: ax_helm_kernel.h:161
g22
__global__ void const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ g22
Definition: ax_helm_kernel.h:157
g13
__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__ g13
Definition: ax_helm_kernel.h:160
g12
__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__ g12
Definition: ax_helm_kernel.h:159
g33
__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__ g33
Definition: ax_helm_kernel.h:158
g11
__global__ void const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ g11
Definition: ax_helm_kernel.h:156
HIP_CHECK
#define HIP_CHECK(err)
Definition: check.h:8
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)