Neko 1.99.5
A portable framework for high-order spectral element flow simulations
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gs.hip
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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#include <hip/hip_runtime.h>
36#include <climits>
37#include <cstdio>
38#include <device/device_config.h>
39#include <device/hip/check.h>
40#include "gs_kernels.h"
41
42#define GS_OP_ADD 1
43#define GS_OP_MUL 2
44#define GS_OP_MIN 3
45#define GS_OP_MAX 4
46
47extern "C" {
48
52 void hip_gather_kernel(void *v, int *m, int *o, void *dg,
53 void *u, int *n, void *gd, int *nb,
54 void *b, void *bo, int *op,
55 hipStream_t stream) {
56
57 if ((*m) == 0) return;
58
59 const dim3 nthrds(1024, 1, 1);
60 const dim3 nblcks(((*m)+ 1024 - 1)/ 1024, 1, 1);
61
62 switch (*op) {
63 case GS_OP_ADD:
64 hipLaunchKernelGGL(HIP_KERNEL_NAME(gather_kernel_add<real>),
65 nblcks, nthrds, 0, stream,
66 (real *) v, *m, *o, (int *) dg,
67 (real *) u, *n, (int *) gd,
68 *nb, (int *) b, (int *) bo);
69 HIP_CHECK(hipGetLastError());
70 break;
71 case GS_OP_MUL:
72 hipLaunchKernelGGL(HIP_KERNEL_NAME(gather_kernel_mul<real>),
73 nblcks, nthrds, 0, stream,
74 (real *) v, *m, *o, (int *) dg,
75 (real *) u, *n, (int *) gd,
76 *nb, (int *) b, (int *) bo);
77 HIP_CHECK(hipGetLastError());
78 break;
79 case GS_OP_MIN:
80 hipLaunchKernelGGL(HIP_KERNEL_NAME(gather_kernel_min<real>),
81 nblcks, nthrds, 0, stream,
82 (real *) v, *m, *o, (int *) dg,
83 (real *) u, *n, (int *) gd,
84 *nb, (int *) b, (int *) bo);
85 HIP_CHECK(hipGetLastError());
86 break;
87 case GS_OP_MAX:
88 hipLaunchKernelGGL(HIP_KERNEL_NAME(gather_kernel_max<real>),
89 nblcks, nthrds, 0, stream,
90 (real *) v, *m, *o, (int *) dg,
91 (real *) u, *n, (int *) gd,
92 *nb, (int *) b, (int *) bo);
93 HIP_CHECK(hipGetLastError());
94 break;
95 }
96 }
97
101 void hip_scatter_kernel(void *v, int *m, void *dg,
102 void *u, int *n, void *gd,
103 int *nb, void *b, void *bo,
104 hipStream_t stream) {
105
106 if ((*m) == 0) return;
107
108 const dim3 nthrds(1024, 1, 1);
109 const dim3 nblcks(((*m)+1024 - 1)/ 1024, 1, 1);
110
111 hipLaunchKernelGGL(HIP_KERNEL_NAME(scatter_kernel<real>),
112 nblcks, nthrds, 0, stream,
113 (real *) v, *m, (int *) dg,
114 (real *) u, *n, (int *) gd,
115 *nb, (int *) b, (int *) bo);
116 HIP_CHECK(hipGetLastError());
117 }
118
122 void hip_gs_pack(void *u_d, void *buf_d, void *dof_d,
123 int offset, int n, hipStream_t stream) {
124
125 const int nthrds = 1024;
126 const int nblcks = (n + nthrds - 1) / nthrds;
127
128 hipLaunchKernelGGL(HIP_KERNEL_NAME(gs_pack_kernel<real>),
129 nblcks, nthrds, 0, stream,
130 (real *) u_d, (real *) buf_d + offset,
131 (int *) dof_d + offset, n);
132 HIP_CHECK(hipGetLastError());
133 }
134
138 void hip_gs_unpack(real *u_d, int op, real *buf_d, int *dof_d,
139 int offset, int n, hipStream_t stream) {
140
141 const int nthrds = 1024;
142 const int nblcks = (n + nthrds - 1) / nthrds;
143
144 switch (op) {
145 case GS_OP_ADD:
146 hipLaunchKernelGGL(HIP_KERNEL_NAME(gs_unpack_add_kernel<real>),
147 nblcks, nthrds, 0, stream,
148 u_d, buf_d + offset,
149 dof_d + offset, n);
150
151 break;
152 case GS_OP_MIN:
153 hipLaunchKernelGGL(HIP_KERNEL_NAME(gs_unpack_min_kernel<real>),
154 nblcks, nthrds, 0, stream,
155 u_d, buf_d + offset,
156 dof_d + offset, n);
157 break;
158 case GS_OP_MAX:
159 hipLaunchKernelGGL(HIP_KERNEL_NAME(gs_unpack_max_kernel<real>),
160 nblcks, nthrds, 0, stream,
161 u_d, buf_d + offset,
162 dof_d + offset, n);
163 break;
164 default:
165 printf("%s: unknown gs op %d\n", __FILE__, op);
166 abort();
167 }
168
169 HIP_CHECK(hipGetLastError());
170 }
171
176 void hip_gs_pack_vec(void *u_d, void *buf_d, void *dof_d,
177 int offset, int n, int nc, int ns,
178 hipStream_t stream) {
179
180 const int nthrds = 1024;
181 const int nblcks = (n + nthrds - 1) / nthrds;
182
183 hipLaunchKernelGGL(HIP_KERNEL_NAME(gs_pack_vec_kernel<real>),
184 nblcks, nthrds, 0, stream,
185 (real *) u_d, (real *) buf_d + nc*offset,
186 (int *) dof_d + offset, n, nc, ns);
187 HIP_CHECK(hipGetLastError());
188 }
189
193 void hip_gs_unpack_vec(real *u_d, int op, real *buf_d, int *dof_d,
194 int offset, int n, int nc, int ns,
195 hipStream_t stream) {
196
197 const int nthrds = 1024;
198 const int nblcks = (n + nthrds - 1) / nthrds;
199
200 switch (op) {
201 case GS_OP_ADD:
202 hipLaunchKernelGGL(HIP_KERNEL_NAME(gs_unpack_add_vec_kernel<real>),
203 nblcks, nthrds, 0, stream,
204 u_d, buf_d + nc*offset, dof_d + offset, n, nc, ns);
205 break;
206 case GS_OP_MIN:
207 hipLaunchKernelGGL(HIP_KERNEL_NAME(gs_unpack_min_vec_kernel<real>),
208 nblcks, nthrds, 0, stream,
209 u_d, buf_d + nc*offset, dof_d + offset, n, nc, ns);
210 break;
211 case GS_OP_MAX:
212 hipLaunchKernelGGL(HIP_KERNEL_NAME(gs_unpack_max_vec_kernel<real>),
213 nblcks, nthrds, 0, stream,
214 u_d, buf_d + nc*offset, dof_d + offset, n, nc, ns);
215 break;
216 default:
217 printf("%s: unknown gs op %d\n", __FILE__, op);
218 abort();
219 }
220
221 HIP_CHECK(hipGetLastError());
222 }
223}
ale_add_kinematics_kernel
__global__ void ale_add_kinematics_kernel(const int n, T *__restrict__ wx, T *__restrict__ wy, T *__restrict__ wz, const T *__restrict__ x_ref, const T *__restrict__ y_ref, const T *__restrict__ z_ref, const T *__restrict__ phi, const T *__restrict__ x, const T *__restrict__ y, const T *__restrict__ z, const kinematics_params_t kin_params)
Definition ale_kinematics_kernel.h:52
u
__global__ void T *__restrict__ T *__restrict__ const T *__restrict__ u
Definition ax_helm_full_kernel.h:46
v
__global__ void T *__restrict__ T *__restrict__ const T *__restrict__ const T *__restrict__ v
Definition ax_helm_full_kernel.h:47
device_config.h
real
double real
Definition device_config.h:12
GS_OP_MAX
#define GS_OP_MAX
Definition gs.hip:45
GS_OP_ADD
#define GS_OP_ADD
Definition gs.hip:42
hip_gs_unpack
void hip_gs_unpack(real *u_d, int op, real *buf_d, int *dof_d, int offset, int n, hipStream_t stream)
Definition gs.hip:138
hip_scatter_kernel
void hip_scatter_kernel(void *v, int *m, void *dg, void *u, int *n, void *gd, int *nb, void *b, void *bo, hipStream_t stream)
Definition gs.hip:101
hip_gs_pack
void hip_gs_pack(void *u_d, void *buf_d, void *dof_d, int offset, int n, hipStream_t stream)
Definition gs.hip:122
GS_OP_MUL
#define GS_OP_MUL
Definition gs.hip:43
hip_gs_pack_vec
void hip_gs_pack_vec(void *u_d, void *buf_d, void *dof_d, int offset, int n, int nc, int ns, hipStream_t stream)
Definition gs.hip:176
hip_gs_unpack_vec
void hip_gs_unpack_vec(real *u_d, int op, real *buf_d, int *dof_d, int offset, int n, int nc, int ns, hipStream_t stream)
Definition gs.hip:193
hip_gather_kernel
void hip_gather_kernel(void *v, int *m, int *o, void *dg, void *u, int *n, void *gd, int *nb, void *b, void *bo, int *op, hipStream_t stream)
Definition gs.hip:52
GS_OP_MIN
#define GS_OP_MIN
Definition gs.hip:44
HIP_CHECK
#define HIP_CHECK(err)
Definition check.h:8
gs_kernels.h