coupled_vector_bc_projector.c

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/*
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#ifdef __APPLE__
#include <OpenCL/cl.h>
#else
#include <CL/cl.h>
#endif
 
#include <device/device_config.h>
#include <device/opencl/jit.h>
#include <device/opencl/prgm_lib.h>
#include <device/opencl/check.h>
 
#include "coupled_vector_bc_projector_kernel.cl.h"
 
void opencl_coupled_vector_bc_projector_apply(void *mixed_msk, void *x, void *y,
                                             void *z, void *constraint_n,
                                             void *constraint_t1,
                                             void *constraint_t2, void *n,
                                             void *t1, void *t2, int *m,
                                             cl_command_queue cmd_queue) {
  if (*m <= 0)
    return;
 
  cl_int err;
 
  if (coupled_vector_bc_projector_program == NULL)
    opencl_kernel_jit(coupled_vector_bc_projector_kernel,
                      (cl_program *) &coupled_vector_bc_projector_program);
 
  cl_kernel kernel = clCreateKernel(coupled_vector_bc_projector_program,
                                    "coupled_vector_bc_projector_apply_kernel",
                                    &err);
  CL_CHECK(err);
 
  CL_CHECK(clSetKernelArg(kernel, 0, sizeof(cl_mem), (void *) &mixed_msk));
  CL_CHECK(clSetKernelArg(kernel, 1, sizeof(cl_mem), (void *) &x));
  CL_CHECK(clSetKernelArg(kernel, 2, sizeof(cl_mem), (void *) &y));
  CL_CHECK(clSetKernelArg(kernel, 3, sizeof(cl_mem), (void *) &z));
  CL_CHECK(clSetKernelArg(kernel, 4, sizeof(cl_mem), (void *) &constraint_n));
  CL_CHECK(clSetKernelArg(kernel, 5, sizeof(cl_mem), (void *) &constraint_t1));
  CL_CHECK(clSetKernelArg(kernel, 6, sizeof(cl_mem), (void *) &constraint_t2));
  CL_CHECK(clSetKernelArg(kernel, 7, sizeof(cl_mem), (void *) &n));
  CL_CHECK(clSetKernelArg(kernel, 8, sizeof(cl_mem), (void *) &t1));
  CL_CHECK(clSetKernelArg(kernel, 9, sizeof(cl_mem), (void *) &t2));
  CL_CHECK(clSetKernelArg(kernel, 10, sizeof(int), m));
 
  const int nb = ((*m) + 256 - 1) / 256;
  const size_t global_item_size = 256 * nb;
  const size_t local_item_size = 256;
 
  CL_CHECK(clEnqueueNDRangeKernel(cmd_queue, kernel, 1, NULL,
                                  &global_item_size, &local_item_size,
                                  0, NULL, NULL));
  CL_CHECK(clReleaseKernel(kernel));
}