Neko 1.99.1
A portable framework for high-order spectral element flow simulations
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opr_conv1.c
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1/*
2 Copyright (c) 2021-2025, The Neko Authors
3 All rights reserved.
4
5 Redistribution and use in source and binary forms, with or without
6 modification, are permitted provided that the following conditions
7 are met:
8
9 * Redistributions of source code must retain the above copyright
10 notice, this list of conditions and the following disclaimer.
11
12 * Redistributions in binary form must reproduce the above
13 copyright notice, this list of conditions and the following
14 disclaimer in the documentation and/or other materials provided
15 with the distribution.
16
17 * Neither the name of the authors nor the names of its
18 contributors may be used to endorse or promote products derived
19 from this software without specific prior written permission.
20
21 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24 FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
25 COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26 INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
27 BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
29 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
31 ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
32 POSSIBILITY OF SUCH DAMAGE.
33*/
34
35#ifdef __APPLE__
36#include <OpenCL/cl.h>
37#else
38#include <CL/cl.h>
39#endif
40
41#include <stdlib.h>
42#include <stdio.h>
43#include <string.h>
44#include <device/device_config.h>
45#include <device/opencl/jit.h>
46#include <device/opencl/prgm_lib.h>
47#include <device/opencl/check.h>
48#include <common/neko_log.h>
49
50#include "conv1_kernel.cl.h"
51
52int *autotune_conv1 = NULL;
53
57void opencl_conv1(void *du, void *u,
58 void *vx, void *vy, void *vz,
59 void *dx, void *dy, void *dz,
60 void *drdx, void *dsdx, void *dtdx,
61 void *drdy, void *dsdy, void *dtdy,
62 void *drdz, void *dsdz, void *dtdz,
63 void *jacinv, int *nel, int *gdim, int *lx) {
64 cl_int err;
65
66 if (conv1_program == NULL)
67 opencl_kernel_jit(conv1_kernel, (cl_program *) &conv1_program);
68
69 const size_t global_item_size = 256 * (*nel);
70 const size_t local_item_size = 256;
71
72 size_t global_kstep[2];
73 size_t local_kstep[2];
74 local_kstep[0] = (*lx);
75 local_kstep[1] = (*lx);
76 global_kstep[0] = (*nel) * (*lx);
77 global_kstep[1] = (*lx);
78
79 if (autotune_conv1 == NULL) {
80 autotune_conv1 = malloc(17 * sizeof(int));
81 memset(autotune_conv1, 0, 17 * sizeof(int));
82 }
83
84#define STR(X) #X
85#define CASE_1D(LX, QUEUE, EVENT) \
86 { \
87 cl_kernel kernel = clCreateKernel(conv1_program, \
88 STR(conv1_kernel_lx##LX), &err); \
89 CL_CHECK(err); \
90 \
91 CL_CHECK(clSetKernelArg(kernel, 0, sizeof(cl_mem), (void *) &du)); \
92 CL_CHECK(clSetKernelArg(kernel, 1, sizeof(cl_mem), (void *) &u)); \
93 CL_CHECK(clSetKernelArg(kernel, 2, sizeof(cl_mem), (void *) &vx)); \
94 CL_CHECK(clSetKernelArg(kernel, 3, sizeof(cl_mem), (void *) &vy)); \
95 CL_CHECK(clSetKernelArg(kernel, 4, sizeof(cl_mem), (void *) &vz)); \
96 CL_CHECK(clSetKernelArg(kernel, 5, sizeof(cl_mem), (void *) &dx)); \
97 CL_CHECK(clSetKernelArg(kernel, 6, sizeof(cl_mem), (void *) &dy)); \
98 CL_CHECK(clSetKernelArg(kernel, 7, sizeof(cl_mem), (void *) &dz)); \
99 CL_CHECK(clSetKernelArg(kernel, 8, sizeof(cl_mem), (void *) &drdx)); \
100 CL_CHECK(clSetKernelArg(kernel, 9, sizeof(cl_mem), (void *) &dsdx)); \
101 CL_CHECK(clSetKernelArg(kernel, 10, sizeof(cl_mem), (void *) &dtdx)); \
102 CL_CHECK(clSetKernelArg(kernel, 11, sizeof(cl_mem), (void *) &drdy)); \
103 CL_CHECK(clSetKernelArg(kernel, 12, sizeof(cl_mem), (void *) &dsdy)); \
104 CL_CHECK(clSetKernelArg(kernel, 13, sizeof(cl_mem), (void *) &dtdy)); \
105 CL_CHECK(clSetKernelArg(kernel, 14, sizeof(cl_mem), (void *) &drdz)); \
106 CL_CHECK(clSetKernelArg(kernel, 15, sizeof(cl_mem), (void *) &dsdz)); \
107 CL_CHECK(clSetKernelArg(kernel, 16, sizeof(cl_mem), (void *) &dtdz)); \
108 CL_CHECK(clSetKernelArg(kernel, 17, sizeof(cl_mem), (void *) &jacinv)); \
109 \
110 CL_CHECK(clEnqueueNDRangeKernel((cl_command_queue) QUEUE, \
111 kernel, 1, NULL, &global_item_size, \
112 &local_item_size, 0, NULL, EVENT)); \
113 }
114
115#define CASE_KSTEP(LX, QUEUE, EVENT) \
116 { \
117 cl_kernel kernel = clCreateKernel(conv1_program, \
118 STR(conv1_kernel_kstep_lx##LX), &err); \
119 CL_CHECK(err); \
120 \
121 CL_CHECK(clSetKernelArg(kernel, 0, sizeof(cl_mem), (void *) &du)); \
122 CL_CHECK(clSetKernelArg(kernel, 1, sizeof(cl_mem), (void *) &u)); \
123 CL_CHECK(clSetKernelArg(kernel, 2, sizeof(cl_mem), (void *) &vx)); \
124 CL_CHECK(clSetKernelArg(kernel, 3, sizeof(cl_mem), (void *) &vy)); \
125 CL_CHECK(clSetKernelArg(kernel, 4, sizeof(cl_mem), (void *) &vz)); \
126 CL_CHECK(clSetKernelArg(kernel, 5, sizeof(cl_mem), (void *) &dx)); \
127 CL_CHECK(clSetKernelArg(kernel, 6, sizeof(cl_mem), (void *) &dy)); \
128 CL_CHECK(clSetKernelArg(kernel, 7, sizeof(cl_mem), (void *) &dz)); \
129 CL_CHECK(clSetKernelArg(kernel, 8, sizeof(cl_mem), (void *) &drdx)); \
130 CL_CHECK(clSetKernelArg(kernel, 9, sizeof(cl_mem), (void *) &dsdx)); \
131 CL_CHECK(clSetKernelArg(kernel, 10, sizeof(cl_mem), (void *) &dtdx)); \
132 CL_CHECK(clSetKernelArg(kernel, 11, sizeof(cl_mem), (void *) &drdy)); \
133 CL_CHECK(clSetKernelArg(kernel, 12, sizeof(cl_mem), (void *) &dsdy)); \
134 CL_CHECK(clSetKernelArg(kernel, 13, sizeof(cl_mem), (void *) &dtdy)); \
135 CL_CHECK(clSetKernelArg(kernel, 14, sizeof(cl_mem), (void *) &drdz)); \
136 CL_CHECK(clSetKernelArg(kernel, 15, sizeof(cl_mem), (void *) &dsdz)); \
137 CL_CHECK(clSetKernelArg(kernel, 16, sizeof(cl_mem), (void *) &dtdz)); \
138 CL_CHECK(clSetKernelArg(kernel, 17, sizeof(cl_mem), (void *) &jacinv)); \
139 \
140 CL_CHECK(clEnqueueNDRangeKernel((cl_command_queue) QUEUE, \
141 kernel, 2, NULL, global_kstep, \
142 local_kstep, 0, NULL, EVENT)); \
143 }
144
145
146#define CASE(LX) \
147 case LX: \
148 if(autotune_conv1[LX] == 0 ) { \
149 char *env_value = NULL; \
150 char neko_log_buf[80]; \
151 env_value = getenv("NEKO_AUTOTUNE"); \
152 \
153 sprintf(neko_log_buf, "Autotune conv1 (lx: %d)", *lx); \
154 log_section(neko_log_buf); \
155 if(env_value) { \
156 if( !strcmp(env_value,"1D") ) { \
157 CASE_1D(LX, glb_cmd_queue, NULL); \
158 sprintf(neko_log_buf,"Set by env : 1 (1D)"); \
159 log_message(neko_log_buf); \
160 autotune_conv1[LX] = 1; \
161 } else if( !strcmp(env_value,"KSTEP") ) { \
162 CASE_KSTEP(LX, glb_cmd_queue, NULL); \
163 sprintf(neko_log_buf,"Set by env : 2 (KSTEP)"); \
164 log_message(neko_log_buf); \
165 autotune_conv1[LX] = 2; \
166 } else { \
167 sprintf(neko_log_buf, "Invalid value set for NEKO_AUTOTUNE"); \
168 log_error(neko_log_buf); \
169 } \
170 } \
171 else { \
172 CL_CHECK(clFinish(glb_cmd_queue)); \
173 cl_event perf_event, sync_event; \
174 cl_ulong start, end; \
175 CL_CHECK(clEnqueueMarker(glb_cmd_queue, &sync_event)); \
176 CL_CHECK(clEnqueueBarrier(prf_cmd_queue)); \
177 CL_CHECK(clEnqueueWaitForEvents(prf_cmd_queue, 1, &sync_event)); \
178 \
179 double elapsed1 = 0.0; \
180 for(int i = 0; i < 100; i++) { \
181 CASE_1D(LX, prf_cmd_queue, &perf_event); \
182 CL_CHECK(clWaitForEvents(1, &perf_event)); \
183 CL_CHECK(clGetEventProfilingInfo(perf_event, \
184 CL_PROFILING_COMMAND_START, \
185 sizeof(cl_ulong), &start, NULL)); \
186 CL_CHECK(clGetEventProfilingInfo(perf_event, \
187 CL_PROFILING_COMMAND_END, \
188 sizeof(cl_ulong), &end, NULL)); \
189 elapsed1 += (end - start)*1.0e-6; \
190 } \
191 \
192 double elapsed2 = 0.0; \
193 for(int i = 0; i < 100; i++) { \
194 CASE_KSTEP(LX, prf_cmd_queue, &perf_event); \
195 CL_CHECK(clWaitForEvents(1, &perf_event)); \
196 CL_CHECK(clGetEventProfilingInfo(perf_event, \
197 CL_PROFILING_COMMAND_START, \
198 sizeof(cl_ulong), &start, NULL)); \
199 CL_CHECK(clGetEventProfilingInfo(perf_event, \
200 CL_PROFILING_COMMAND_END, \
201 sizeof(cl_ulong), &end, NULL)); \
202 elapsed2 += (end - start)*1.0e-6; \
203 } \
204 \
205 CL_CHECK(clFinish(prf_cmd_queue)); \
206 CL_CHECK(clEnqueueMarker(prf_cmd_queue, &sync_event)); \
207 int krnl_strtgy = (elapsed1 < elapsed2 ? 1 : 2); \
208 sprintf(neko_log_buf, "Chose : %d (%s)", krnl_strtgy, \
209 (krnl_strtgy > 1 ? "KSTEP" : "1D")); \
210 autotune_conv1[LX] = krnl_strtgy; \
211 log_message(neko_log_buf); \
212 clEnqueueBarrier(glb_cmd_queue); \
213 clEnqueueWaitForEvents(glb_cmd_queue, 1, &sync_event) ; \
214 } \
215 log_end_section(); \
216 } else if (autotune_conv1[LX] == 1 ) { \
217 CASE_1D(LX, glb_cmd_queue, NULL); \
218 } else if (autotune_conv1[LX] == 2 ) { \
219 CASE_KSTEP(LX, glb_cmd_queue, NULL); \
220 } \
221 break
222
223#define CASE_LARGE(LX) \
224 case LX: \
225 CASE_KSTEP(LX, glb_cmd_queue, NULL); \
226 break
227
228
229 if ((*lx) < 12) {
230 switch(*lx) {
231 CASE(2);
232 CASE(3);
233 CASE(4);
234 CASE(5);
235 CASE(6);
236 CASE(7);
237 CASE(8);
238 CASE(9);
239 CASE(10);
240 CASE(11);
241 default:
242 {
243 fprintf(stderr, __FILE__ ": size not supported: %d\n", *lx);
244 exit(1);
245 }
246 }
247 }
248 else {
249 switch(*lx) {
250 CASE_LARGE(12);
251 CASE_LARGE(13);
252 CASE_LARGE(14);
253 CASE_LARGE(15);
254 CASE_LARGE(16);
255 default:
256 {
257 fprintf(stderr, __FILE__ ": size not supported: %d\n", *lx);
258 exit(1);
259 }
260 }
261 }
262}
263
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
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
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
vz
__global__ void const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ vz
Definition conv1_kernel.h:135
vx
__global__ void const T *__restrict__ const T *__restrict__ vx
Definition conv1_kernel.h:133
vy
__global__ void const T *__restrict__ const T *__restrict__ const T *__restrict__ vy
Definition conv1_kernel.h:134
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
opencl_kernel_jit
void opencl_kernel_jit(const char *kernel, cl_program *program)
Definition jit.c:50
neko_log.h
CASE
#define CASE(LX)
CASE_LARGE
#define CASE_LARGE(LX)
autotune_conv1
int * autotune_conv1
Definition opr_conv1.c:52
opencl_conv1
void opencl_conv1(void *du, void *u, void *vx, void *vy, void *vz, 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 *gdim, int *lx)
Definition opr_conv1.c:57
prgm_lib.h
conv1_program
void * conv1_program