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Neko 0.9.99
A portable framework for high-order spectral element flow simulations
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filters.c
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1/*
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33*/
34
35#ifdef __APPLE__
36 #include <OpenCL/cl.h>
37#else
38 #include <CL/cl.h>
39#endif
40
42#include <device/opencl/check.h>
43#include <device/opencl/jit.h>
45#include <stdio.h>
46#include <stdlib.h>
47
48#include "filter_kernels.cl.h"
49
56void opencl_smooth_step(void* x, real* edge0, real* edge1, int* n) {
57 cl_int err;
58
59 if (filter_program == NULL)
61
63 clCreateKernel(filter_program, "smooth_step_kernel", &err);
65
66 CL_CHECK(clSetKernelArg(kernel, 0, sizeof(cl_mem), (void*)&x));
69 CL_CHECK(clSetKernelArg(kernel, 3, sizeof(int), n));
70
71 const int nb = ((*n) + 256 - 1) / 256;
72 const size_t global_item_size = 256 * nb;
73 const size_t local_item_size = 256;
74
76 (cl_command_queue)glb_cmd_queue, kernel, 1, NULL, &global_item_size,
78}
79
93 void* x, real* edge, real* left, real* right, int* n) {
94 cl_int err;
95
96 if (filter_program == NULL)
98
100 clCreateKernel(filter_program, "step_function_kernel", &err);
101 CL_CHECK(err);
102
103 CL_CHECK(clSetKernelArg(kernel, 0, sizeof(cl_mem), (void*)&x));
104 CL_CHECK(clSetKernelArg(kernel, 1, sizeof(real), edge));
105 CL_CHECK(clSetKernelArg(kernel, 2, sizeof(real), left));
106 CL_CHECK(clSetKernelArg(kernel, 3, sizeof(real), right));
107 CL_CHECK(clSetKernelArg(kernel, 4, sizeof(int), n));
108
109 const int nb = ((*n) + 256 - 1) / 256;
110 const size_t global_item_size = 256 * nb;
111 const size_t local_item_size = 256;
112
114 (cl_command_queue)glb_cmd_queue, kernel, 1, NULL, &global_item_size,
115 &local_item_size, 0, NULL, NULL));
116}
117
126void opencl_permeability(void* x, real* k_0, real* k_1, real* q, int* n) {
127 cl_int err;
128
129 if (filter_program == NULL)
131
133 clCreateKernel(filter_program, "permeability_kernel", &err);
134 CL_CHECK(err);
135
136 CL_CHECK(clSetKernelArg(kernel, 0, sizeof(cl_mem), (void*)&x));
137 CL_CHECK(clSetKernelArg(kernel, 1, sizeof(real), k_0));
138 CL_CHECK(clSetKernelArg(kernel, 2, sizeof(real), k_1));
139 CL_CHECK(clSetKernelArg(kernel, 3, sizeof(real), q));
140 CL_CHECK(clSetKernelArg(kernel, 4, sizeof(int), n));
141
142 const int nb = ((*n) + 256 - 1) / 256;
143 const size_t global_item_size = 256 * nb;
144 const size_t local_item_size = 256;
145
147 (cl_command_queue)glb_cmd_queue, kernel, 1, NULL, &global_item_size,
148 &local_item_size, 0, NULL, NULL));
149}
__global__ void const T *__restrict__ x
__global__ void dirichlet_apply_scalar_kernel(const int *__restrict__ msk, T *__restrict__ x, const T g, const int m)
double real
void opencl_step_function(void *x, real *edge, real *left, real *right, int *n)
Definition filters.c:92
void opencl_permeability(void *x, real *k_0, real *k_1, real *q, int *n)
Definition filters.c:126
void opencl_smooth_step(void *x, real *edge0, real *edge1, int *n)
Definition filters.c:56
void opencl_kernel_jit(const char *kernel, cl_program *program)
Definition jit.c:50
#define CL_CHECK(err)
Definition check.h:12
void * filter_program