C++ (Cpp) STARPU_BLOCK_GET_NZ Exemples

Exemple #1

Fichier : block_cpu.c Projet : alucas/StarPU

void cpu_codelet(void *descr[], void *_args)
{
	float *block = (float *)STARPU_BLOCK_GET_PTR(descr[0]);
	int nx = (int)STARPU_BLOCK_GET_NX(descr[0]);
	int ny = (int)STARPU_BLOCK_GET_NY(descr[0]);
	int nz = (int)STARPU_BLOCK_GET_NZ(descr[0]);
   unsigned ldy = STARPU_BLOCK_GET_LDY(descr[0]);
   unsigned ldz = STARPU_BLOCK_GET_LDZ(descr[0]);
   float *multiplier = (float *)_args;
   int i, j, k;

   for(k=0; k<nz ; k++) {
      for(j=0; j<ny ; j++) {
         for(i=0; i<nx ; i++)
            block[(k*ldz)+(j*ldy)+i] *= *multiplier;
      }
   }
}

Exemple #2

Fichier : block_opencl.c Projet : excess-project/starpu-ex-1.2.0rc5

void opencl_codelet(void *descr[], void *_args)
{
	cl_kernel kernel;
	cl_command_queue queue;
	cl_event event;
	int id, devid, err;
	cl_mem block = (cl_mem)STARPU_BLOCK_GET_DEV_HANDLE(descr[0]);
	int nx = (int)STARPU_BLOCK_GET_NX(descr[0]);
	int ny = (int)STARPU_BLOCK_GET_NY(descr[0]);
	int nz = (int)STARPU_BLOCK_GET_NZ(descr[0]);
        int ldy = (int)STARPU_BLOCK_GET_LDY(descr[0]);
        int ldz = (int) STARPU_BLOCK_GET_LDZ(descr[0]);
        float *multiplier = (float *)_args;

        id = starpu_worker_get_id();
        devid = starpu_worker_get_devid(id);

        err = starpu_opencl_load_kernel(&kernel, &queue, &opencl_code, "block", devid);
        if (err != CL_SUCCESS) STARPU_OPENCL_REPORT_ERROR(err);

	CHECK_CL_SET_KERNEL_ARG(kernel, 0, sizeof(block), &block);
	CHECK_CL_SET_KERNEL_ARG(kernel, 1, sizeof(nx), &nx);
	CHECK_CL_SET_KERNEL_ARG(kernel, 2, sizeof(ny), &ny);
	CHECK_CL_SET_KERNEL_ARG(kernel, 3, sizeof(nz), &nz);
	CHECK_CL_SET_KERNEL_ARG(kernel, 4, sizeof(ldy), &ldy);
	CHECK_CL_SET_KERNEL_ARG(kernel, 5, sizeof(ldz), &ldz);
	CHECK_CL_SET_KERNEL_ARG(kernel, 6, sizeof(*multiplier), multiplier);

	{
                size_t global=nx*ny*nz;
		err = clEnqueueNDRangeKernel(queue, kernel, 1, NULL, &global, NULL, 0, NULL, &event);
		if (err != CL_SUCCESS) STARPU_OPENCL_REPORT_ERROR(err);
	}

	clFinish(queue);
	starpu_opencl_collect_stats(event);
	clReleaseEvent(event);

        starpu_opencl_release_kernel(kernel);
}

Exemple #3

Fichier : block_opencl.c Projet : alucas/StarPU

void opencl_codelet(void *descr[], void *_args)
{
	cl_kernel kernel;
	cl_command_queue queue;
	int id, devid, err, n;
	float *block = (float *)STARPU_BLOCK_GET_PTR(descr[0]);
	int nx = (int)STARPU_BLOCK_GET_NX(descr[0]);
	int ny = (int)STARPU_BLOCK_GET_NY(descr[0]);
	int nz = (int)STARPU_BLOCK_GET_NZ(descr[0]);
        unsigned ldy = STARPU_BLOCK_GET_LDY(descr[0]);
        unsigned ldz = STARPU_BLOCK_GET_LDZ(descr[0]);
        float *multiplier = (float *)_args;

        id = starpu_worker_get_id();
        devid = starpu_worker_get_devid(id);

        err = starpu_opencl_load_kernel(&kernel, &queue, &opencl_code, "block", devid);
        if (err != CL_SUCCESS) STARPU_OPENCL_REPORT_ERROR(err);

	err = 0;
        n=0;
	err = clSetKernelArg(kernel, 0, sizeof(cl_mem), &block);
	err = clSetKernelArg(kernel, 1, sizeof(int), &nx);
	err = clSetKernelArg(kernel, 2, sizeof(int), &ny);
	err = clSetKernelArg(kernel, 3, sizeof(int), &nz);
	err = clSetKernelArg(kernel, 4, sizeof(ldy), &ldy);
	err = clSetKernelArg(kernel, 5, sizeof(ldz), &ldz);
	err = clSetKernelArg(kernel, 6, sizeof(float), multiplier);
        if (err) STARPU_OPENCL_REPORT_ERROR(err);

	{
                size_t global=nx*ny*nz;
		err = clEnqueueNDRangeKernel(queue, kernel, 1, NULL, &global, NULL, 0, NULL, NULL);
		if (err != CL_SUCCESS) STARPU_OPENCL_REPORT_ERROR(err);
	}

	clFinish(queue);

        starpu_opencl_release_kernel(kernel);
}