Neko 0.9.99
A portable framework for high-order spectral element flow simulations
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schwarz.c
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1/*
2 Copyright (c) 2022, 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 <stdio.h>
43#include <device/opencl/jit.h>
45#include <device/opencl/check.h>
46
47#include "schwarz_kernel.cl.h"
48
49void opencl_schwarz_extrude(void *arr1, int * l1, real * f1,
50 void *arr2, int * l2, real * f2,
51 int * nx, int * nel) {
52 cl_int err;
53
54 if (schwarz_program == NULL)
56
57 const size_t global_item_size = 256 * (*nel);
58 const size_t local_item_size = 256;
59
60#define STR(X) #X
61#define CASE(NX) \
62 case NX: \
63 { \
64 \
65 cl_kernel kernel = clCreateKernel(schwarz_program, \
66 STR(schwarz_extrude_kernel_nx##NX), \
67 &err); \
68 CL_CHECK(err); \
69 \
70 CL_CHECK(clSetKernelArg(kernel, 0, sizeof(cl_mem), (void *) &arr1)); \
71 CL_CHECK(clSetKernelArg(kernel, 1, sizeof(int), l1)); \
72 CL_CHECK(clSetKernelArg(kernel, 2, sizeof(real), f1)); \
73 CL_CHECK(clSetKernelArg(kernel, 3, sizeof(cl_mem), (void *) &arr2)); \
74 CL_CHECK(clSetKernelArg(kernel, 4, sizeof(int), l2)); \
75 CL_CHECK(clSetKernelArg(kernel, 5, sizeof(real), f2)); \
76 \
77 CL_CHECK(clEnqueueNDRangeKernel((cl_command_queue) glb_cmd_queue, \
78 kernel, 1, NULL, &global_item_size, \
79 &local_item_size, 0, NULL, NULL)); \
80 } \
81 break
82
83 switch(*nx) {
84 CASE(2);
85 CASE(3);
86 CASE(4);
87 CASE(5);
88 CASE(6);
89 CASE(7);
90 CASE(8);
91 CASE(9);
92 CASE(10);
93 CASE(11);
94 CASE(12);
95 CASE(13);
96 CASE(14);
97 CASE(15);
98 CASE(16);
99 }
100}
101
102void opencl_schwarz_toext3d(void *a, void *b,int * nx, int * nel) {
103 cl_int err;
104
105 if (schwarz_program == NULL)
107
109 "schwarz_toext3d_kernel", &err);
110 CL_CHECK(err);
111
112 CL_CHECK(clSetKernelArg(kernel, 0, sizeof(cl_mem), (void *) &a));
113 CL_CHECK(clSetKernelArg(kernel, 1, sizeof(cl_mem), (void *) &b));
114 CL_CHECK(clSetKernelArg(kernel, 2, sizeof(int), nx));
115
116 const size_t global_item_size = 256 * (*nel);
117 const size_t local_item_size = 256;
118
121 0, NULL, NULL));
122}
123
124void opencl_schwarz_toreg3d(void *b, void *a,int * nx, int * nel) {
125 cl_int err;
126
127 if (schwarz_program == NULL)
129
131 "schwarz_toreg3d_kernel", &err);
132 CL_CHECK(err);
133
134 CL_CHECK(clSetKernelArg(kernel, 0, sizeof(cl_mem), (void *) &b));
135 CL_CHECK(clSetKernelArg(kernel, 1, sizeof(cl_mem), (void *) &a));
136 CL_CHECK(clSetKernelArg(kernel, 2, sizeof(int), nx));
137
138 const size_t global_item_size = 256 * (*nel);
139 const size_t local_item_size = 256;
140
143 0, NULL, NULL));
144}
145
146
__global__ void dirichlet_apply_scalar_kernel(const int *__restrict__ msk, T *__restrict__ x, const T g, const int m)
double real
void opencl_kernel_jit(const char *kernel, cl_program *program)
Definition jit.c:50
#define CL_CHECK(err)
Definition check.h:12
void * schwarz_program
void opencl_schwarz_toreg3d(void *b, void *a, int *nx, int *nel)
Definition schwarz.c:124
void opencl_schwarz_toext3d(void *a, void *b, int *nx, int *nel)
Definition schwarz.c:102
#define CASE(NX)
void opencl_schwarz_extrude(void *arr1, int *l1, real *f1, void *arr2, int *l2, real *f2, int *nx, int *nel)
Definition schwarz.c:49