Neko  0.9.99
A portable framework for high-order spectral element flow simulations
opr_cdtp.c
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34 
35 #ifdef __APPLE__
36 #include <OpenCL/cl.h>
37 #else
38 #include <CL/cl.h>
39 #endif
40 
41 #include <stdio.h>
42 #include <device/device_config.h>
43 #include <device/opencl/jit.h>
44 #include <device/opencl/prgm_lib.h>
45 #include <device/opencl/check.h>
46 
47 #include "cdtp_kernel.cl.h"
48 
52 void opencl_cdtp(void *dtx, void *x,
53  void *dr, void *ds, void *dt,
54  void *dxt, void *dyt, void *dzt,
55  void *w3, int *nel, int *lx) {
56  cl_int err;
57 
58  if (cdtp_program == NULL)
59  opencl_kernel_jit(cdtp_kernel, (cl_program *) &cdtp_program);
60 
61  const size_t global_item_size = 256 * (*nel);
62  const size_t local_item_size = 256;
63 
64 #define STR(X) #X
65 #define CASE(LX) \
66  case LX: \
67  { \
68  cl_kernel kernel = clCreateKernel(cdtp_program, \
69  STR(cdtp_kernel_lx##LX), &err); \
70  CL_CHECK(err); \
71  \
72  CL_CHECK(clSetKernelArg(kernel, 0, sizeof(cl_mem), (void *) &dtx)); \
73  CL_CHECK(clSetKernelArg(kernel, 1, sizeof(cl_mem), (void *) &x)); \
74  CL_CHECK(clSetKernelArg(kernel, 2, sizeof(cl_mem), (void *) &dr)); \
75  CL_CHECK(clSetKernelArg(kernel, 3, sizeof(cl_mem), (void *) &ds)); \
76  CL_CHECK(clSetKernelArg(kernel, 4, sizeof(cl_mem), (void *) &dt)); \
77  CL_CHECK(clSetKernelArg(kernel, 5, sizeof(cl_mem), (void *) &dxt)); \
78  CL_CHECK(clSetKernelArg(kernel, 6, sizeof(cl_mem), (void *) &dyt)); \
79  CL_CHECK(clSetKernelArg(kernel, 7, sizeof(cl_mem), (void *) &dzt)); \
80  CL_CHECK(clSetKernelArg(kernel, 8, sizeof(cl_mem), (void *) &w3)); \
81  \
82  CL_CHECK(clEnqueueNDRangeKernel((cl_command_queue) glb_cmd_queue, \
83  kernel, 1, NULL, &global_item_size, \
84  &local_item_size, 0, NULL, NULL)); \
85  } \
86  break
87 
88  switch(*lx) {
89  CASE(2);
90  CASE(3);
91  CASE(4);
92  CASE(5);
93  CASE(6);
94  CASE(7);
95  CASE(8);
96  CASE(9);
97  CASE(10);
98  CASE(11);
99  CASE(12);
100  }
101 }
102 
dr
__global__ void const T *__restrict__ const T *__restrict__ dr
Definition: cdtp_kernel.h:107
ds
__global__ void const T *__restrict__ const T *__restrict__ const T *__restrict__ ds
Definition: cdtp_kernel.h:108
x
__global__ void const T *__restrict__ x
Definition: cdtp_kernel.h:106
dt
__global__ void const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ dt
Definition: cdtp_kernel.h:109
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
dzt
__global__ void const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ dzt
Definition: cdtp_kernel.h:112
dyt
__global__ void const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ dyt
Definition: cdtp_kernel.h:111
dxt
__global__ void const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ const T *__restrict__ dxt
Definition: cdtp_kernel.h:110
device_config.h
opencl_kernel_jit
void opencl_kernel_jit(const char *kernel, cl_program *program)
Definition: jit.c:50
opencl_cdtp
void opencl_cdtp(void *dtx, void *x, void *dr, void *ds, void *dt, void *dxt, void *dyt, void *dzt, void *w3, int *nel, int *lx)
Definition: opr_cdtp.c:52
CASE
#define CASE(LX)
prgm_lib.h
cdtp_program
void * cdtp_program