Neko 1.99.3
A portable framework for high-order spectral element flow simulations
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opr_opgrad.hip
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1/*
2 Copyright (c) 2021-2026, 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#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 "opgrad_kernel.h"
42
43extern "C" {
44 #include <common/neko_log.h>
45}
46
47template < const int >
48int tune_opgrad(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 *w3, int *nel, int *lx);
54
55extern "C" {
56
60 void hip_opgrad(void *ux, void *uy, void *uz, void *u,
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 *w3, int *nel, int *lx) {
66
67 static int autotune[19] = { 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
73#define CASE_1D(LX) \
74 hipLaunchKernelGGL( HIP_KERNEL_NAME(opgrad_kernel_1d<real, LX, 1024> ), \
75 nblcks, nthrds_1d, 0, (hipStream_t) glb_cmd_queue, \
76 (real *) ux, (real *) uy, (real *) uz, (real *) u, \
77 (real *) dx, (real *) dy, (real *) dz, \
78 (real *) drdx, (real *) dsdx, (real *) dtdx, \
79 (real *) drdy, (real *) dsdy, (real *) dtdy, \
80 (real *) drdz, (real *) dsdz, (real *) dtdz, \
81 (real *) w3); \
82 HIP_CHECK(hipGetLastError());
83
84
85#define CASE_KSTEP(LX) \
86 hipLaunchKernelGGL( HIP_KERNEL_NAME(opgrad_kernel_kstep<real, LX> ), \
87 nblcks, nthrds_kstep, 0, (hipStream_t) glb_cmd_queue, \
88 (real *) ux, (real *) uy, (real *) uz, (real *) u, \
89 (real *) dx, (real *) dy, (real *) dz, \
90 (real *) drdx, (real *) dsdx, (real *) dtdx, \
91 (real *) drdy, (real *) dsdy, (real *) dtdy, \
92 (real *) drdz, (real *) dsdz, (real *) dtdz, \
93 (real *) w3); \
94 HIP_CHECK(hipGetLastError());
95
96#define CASE(LX) \
97 case LX: \
98 if(autotune[LX] == 0 ) { \
99 autotune[LX]=tune_opgrad<LX>(ux, uy, uz, u, \
100 dx, dy, dz, \
101 drdx, dsdx, dtdx, \
102 drdy, dsdy, dtdy, \
103 drdz, dsdz, dtdz, \
104 w3, nel, lx); \
105 } else if (autotune[LX] == 1 ) { \
106 CASE_1D(LX); \
107 } else if (autotune[LX] == 2 ) { \
108 CASE_KSTEP(LX); \
109 } \
110 break
111
112 switch(*lx) {
113 CASE(2);
114 CASE(3);
115 CASE(4);
116 CASE(5);
117 CASE(6);
118 CASE(7);
119 CASE(8);
120 CASE(9);
121 CASE(10);
122 CASE(11);
123 CASE(12);
124 CASE(13);
125 CASE(14);
126 CASE(15);
127 CASE(16);
128 CASE(17);
129 CASE(18);
130 default:
131 {
132 fprintf(stderr, __FILE__ ": size not supported: %d\n", *lx);
133 exit(1);
134 }
135 }
136 }
137}
138
139template < const int LX >
140int tune_opgrad(void *ux, void *uy, void *uz, void *u,
141 void *dx, void *dy, void *dz,
142 void *drdx, void *dsdx, void *dtdx,
143 void *drdy, void *dsdy, void *dtdy,
144 void *drdz, void *dsdz, void *dtdz,
145 void *w3, int *nel, int *lx) {
146 hipEvent_t start,stop;
147 float time1,time2;
148 int retval;
149
150 const dim3 nthrds_1d(1024, 1, 1);
151 const dim3 nthrds_kstep((*lx), (*lx), 1);
152 const dim3 nblcks((*nel), 1, 1);
153 const hipStream_t stream = (hipStream_t) glb_cmd_queue;
154
155 char *env_value = NULL;
156 char neko_log_buf[80];
157
158 env_value=getenv("NEKO_AUTOTUNE");
159
160 sprintf(neko_log_buf, "Autotune opgrad (lx: %d)", *lx);
161 log_section(neko_log_buf);
162
163 if(env_value) {
164 if( !strcmp(env_value,"1D") ) {
165 CASE_1D(LX);
166 sprintf(neko_log_buf,"Set by env : 1 (1D)");
167 log_message(neko_log_buf);
168 log_end_section();
169 return 1;
170 } else if( !strcmp(env_value,"KSTEP") ) {
171 CASE_KSTEP(LX);
172 sprintf(neko_log_buf,"Set by env : 2 (KSTEP)");
173 log_message(neko_log_buf);
174 log_end_section();
175 return 2;
176 } else {
177 sprintf(neko_log_buf, "Invalid value set for NEKO_AUTOTUNE");
178 log_error(neko_log_buf);
179 }
180 }
181
182 HIP_CHECK(hipEventCreate(&start));
183 HIP_CHECK(hipEventCreate(&stop));
184
185 /* Warmup */
186 for(int i = 0; i < 10; i++) {
187 CASE_1D(LX);
188 }
189
190 HIP_CHECK(hipEventRecord(start, stream));
191
192 for(int i = 0; i < 100; i++) {
193 CASE_1D(LX);
194 }
195
196 HIP_CHECK(hipEventRecord(stop, stream));
197 HIP_CHECK(hipEventSynchronize(stop));
198 HIP_CHECK(hipEventElapsedTime(&time1, start, stop));;
199
200 HIP_CHECK(hipEventRecord(start, stream));
201
202 for(int i = 0; i < 100; i++) {
203 CASE_KSTEP(LX);
204 }
205
206 HIP_CHECK(hipEventRecord(stop, stream));
207 HIP_CHECK(hipEventSynchronize(stop));
208 HIP_CHECK(hipEventElapsedTime(&time2, start, stop));
209
210 if(time1 < time2) {
211 retval = 1;
212 } else {
213 retval = 2;
214 }
215
216 sprintf(neko_log_buf, "Chose : %d (%s)", retval,
217 (retval > 1 ? "KSTEP" : "1D"));
218 log_message(neko_log_buf);
219 log_end_section();
220 return retval;
221}
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
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
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
w3
__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__ w3
Definition cdtp_kernel.h:113
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
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
HIP_CHECK
#define HIP_CHECK(err)
Definition check.h:8
opgrad_kernel.h
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)
tune_opgrad
int tune_opgrad(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 *w3, int *nel, int *lx)
Definition opr_opgrad.hip:140
CASE_KSTEP
#define CASE_KSTEP(LX)
CASE_1D
#define CASE_1D(LX)
hip_opgrad
void hip_opgrad(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 *w3, int *nel, int *lx)
Definition opr_opgrad.hip:60