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b4pfm2D.c
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/*
* Created on: May 27, 2013
* Author: Mirko Myllykoski ([email protected])
*/
#include <CL/cl.h>
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <time.h>
#include <string.h>
#include "common.h"
#include "kernels2D.dat"
/* Remember to update this when you change kernel args!!! */
#define CR_LOCAL_MEM_BIAS (3*4)
#define KARGS_2D11_O_F 0
#define KARGS_2D11_O_G 1
#define KARGS_2D11_R 2
#define KARGS_2D12_O_F 0
#define KARGS_2D12_O_G 1
#define KARGS_2D12_R 2
#define KARGS_2D12_PREV_COUNT 3
#define KARGS_2D21_O_F 0
#define KARGS_2D21_O_G 1
#define KARGS_2D21_R 2
#define KARGS_2D22A_O_G 0
#define KARGS_2D22A_R 1
#define KARGS_2D22B_O_F 0
#define KARGS_2D22B_O_G 1
#define KARGS_2D22B_R 2
#define KARGS_2D22B_PREV_COUNT 3
#define KARGS_2DCR_O_F 0
#define KARGS_2DCR_R1 1
#define KARGS_2DCR_R2 2
#define KARGS_2DCR_RADIX2_2D 3
#define KARGS_2DCR_RADIX2_3D 4
#define KARGS_Q2_2D11_O_F 0
#define KARGS_Q2_2D11_O_G 1
#define KARGS_Q2_2D11_R 2
#define KARGS_Q2_2D12_O_F 0
#define KARGS_Q2_2D12_O_G 1
#define KARGS_Q2_2D12_R 2
#define KARGS_Q2_2D12_PREV_COUNT 3
#define KARGS_Q2_2D21_O_F 0
#define KARGS_Q2_2D21_O_G 1
#define KARGS_Q2_2D21_R 2
#define KARGS_Q2_2D22_O_F 0
#define KARGS_Q2_2D22_O_G 1
#define KARGS_Q2_2D22_R 2
#define KARGS_Q2_2D22_PREV_COUNT 3
typedef struct {
b4pfm2D_params params;
double time;
} opt_struct_2d;
int initialized_2d = 0;
r_b4pfm2D *solvers_2d[MAX_SOLVERS];
int free_2d_solver(r_b4pfm2D *solver) {
if(solver == NULL)
return B4PFM_INVALID_SOLVER;
#define free_kernel(name) \
if(solver->name) clReleaseKernel(solver->name); solver->name = 0
free_kernel(kernel_Q2_2D22);
free_kernel(kernel_Q2_2D21);
free_kernel(kernel_Q2_2D12);
free_kernel(kernel_Q2_2D11);
free_kernel(kernel_2DCR);
free_kernel(kernel_2D22B);
free_kernel(kernel_2D22A);
free_kernel(kernel_2D21);
free_kernel(kernel_2D12);
free_kernel(kernel_2D11);
#undef free_kernel
if(solver->context)
clReleaseContext(solver->context);
free(solver);
return B4PFM_OK;
}
void print_opt_params_2d(b4pfm2D_params *opt_params) {
printf(
"{\n" \
" hilodouble = %d\n" \
" use_local_coef = %d\n" \
" force_priv_coef = %d\n" \
" work_block_size = %d\n" \
" cr_wg_size = %d\n" \
" cr_local_mem_size = %d\n" \
" other_wg_size_11 = %d\n" \
" other_wg_size_12 = %d\n" \
" other_wg_size_21 = %d\n" \
" other_wg_size_22a = %d\n" \
" other_wg_size_22b = %d\n" \
" vector_width = %d\n" \
" max_sum_size1 = %d\n" \
" max_sum_size2a = %d\n" \
" max_sum_size2b = %d\n" \
" other_wg_size_q2_11 = %d\n" \
" other_wg_size_q2_12 = %d\n" \
" other_wg_size_q2_21 = %d\n" \
" other_wg_size_q2_22 = %d\n" \
" max_sum_size_q2_1 = %d\n" \
" max_sum_size_q2_2 = %d\n" \
"}\n",
opt_params->hilodouble,
opt_params->use_local_coef,
opt_params->force_priv_coef,
opt_params->work_block_size,
opt_params->cr_wg_size,
opt_params->cr_local_mem_size,
opt_params->other_wg_size_11,
opt_params->other_wg_size_12,
opt_params->other_wg_size_21,
opt_params->other_wg_size_22a,
opt_params->other_wg_size_22b,
opt_params->vector_width,
opt_params->max_sum_size1,
opt_params->max_sum_size2a,
opt_params->max_sum_size2b,
opt_params->other_wg_size_q2_11,
opt_params->other_wg_size_q2_12,
opt_params->other_wg_size_q2_21,
opt_params->other_wg_size_q2_22,
opt_params->max_sum_size_q2_1,
opt_params->max_sum_size_q2_2);
}
r_b4pfm2D* init_2d_solver(cl_context context, int k1, int k2, int k3, int ldf, int prec, b4pfm2D_params opt_params, int force_radix2, int debug, int *error, int *o_err_info) {
int *err_info;
int tmp_err_info;
if(o_err_info == 0)
err_info = &tmp_err_info;
else
err_info = o_err_info;
if(debug == B4PFM_DEBUG_FULL || debug == B4PFM_DEBUG_TIMING) {
printf("(debug) b4pdf2D / init solver: Initializing B4PDF2D-solver. Args: k1=%d, k2=%d, k3=%d, ldf=%d, prec=%d, force_radix2=%d, opt_params = \n",
k1, k2, k3, ldf, prec, force_radix2);
print_opt_params_2d(&opt_params);
} else if(debug != B4PFM_DEBUG_NONE) printf(
"(debug) b4pdf2D / init solver: Initializing B4PDF2D-solver. \n");
*error = B4PFM_UNKNOWN_ERROR;
int err;
int n3 = POW2(k3)-1;
/* Initial args checks */
if( 1 > k2 || k2 > MAX_K2
|| 1 > k3 || k3 > MAX_K3
|| ldf < n3) {
printf(
"(error) b4pdf2D / init solver: Invalid arguments. \n");
*error = B4PFM_INVALID_ARGS;
return NULL;
}
int global_solver = POW2(k3) > opt_params.cr_local_mem_size;
int middle_solver = opt_params.cr_local_mem_size > 2*opt_params.cr_wg_size;
/* Initial opt_params checks */
if( (opt_params.use_local_coef && opt_params.force_priv_coef) ||
!(opt_params.work_block_size == 32 || opt_params.work_block_size == 64) ||
(prec && !(opt_params.vector_width == 1 || opt_params.vector_width == 2)) ||
(!prec && !(opt_params.vector_width == 1 || opt_params.vector_width == 2 || opt_params.vector_width == 4)) ||
opt_params.cr_wg_size % opt_params.work_block_size != 0 ||
(global_solver && !middle_solver && opt_params.cr_local_mem_size < 2*opt_params.cr_wg_size) ||
(!global_solver && !middle_solver && opt_params.cr_local_mem_size != POW2(k3))) {
printf(
"(error) b4pdf2D / init solver: Invalid opt_params. \n");
*error = B4PFM_INVALID_OPTS;
return NULL;
}
if(!force_radix2) {
if( opt_params.other_wg_size_11 % opt_params.work_block_size != 0 ||
opt_params.other_wg_size_12 % opt_params.work_block_size != 0 ||
opt_params.other_wg_size_21 % opt_params.work_block_size != 0 ||
opt_params.other_wg_size_22a % opt_params.work_block_size != 0 ||
opt_params.other_wg_size_22b % opt_params.work_block_size != 0 ||
opt_params.other_wg_size_11 <= 0 ||
opt_params.other_wg_size_12 <= 0 ||
opt_params.other_wg_size_21 <= 0 ||
opt_params.other_wg_size_22a <= 0 ||
opt_params.other_wg_size_22b <= 0 ||
opt_params.max_sum_size1 < 4 || opt_params.max_sum_size1 % 4 != 0 ||
opt_params.max_sum_size2a < 4 || opt_params.max_sum_size2a % 4 != 0 ||
opt_params.max_sum_size2b < 4 || opt_params.max_sum_size2b % 4 != 0 ) {
printf(
"(error) b4pdf2D / init solver: Invalid opt_params. \n");
*error = B4PFM_INVALID_OPTS;
return NULL;
}
}
if(force_radix2) {
if( opt_params.other_wg_size_q2_11 % opt_params.work_block_size != 0 ||
opt_params.other_wg_size_q2_12 % opt_params.work_block_size != 0 ||
opt_params.other_wg_size_q2_11 <= 0 ||
opt_params.other_wg_size_q2_12 <= 0 ||
opt_params.max_sum_size_q2_1 < 2 || opt_params.max_sum_size_q2_1 % 2 != 0) {
printf(
"(error) b4pdf2D / init solver: Invalid opt_params. \n");
*error = B4PFM_INVALID_OPTS;
return NULL;
}
}
if(k2 & 1 || force_radix2) {
if( opt_params.other_wg_size_q2_21 % opt_params.work_block_size != 0 ||
opt_params.other_wg_size_q2_22 % opt_params.work_block_size != 0 ||
opt_params.other_wg_size_q2_21 <= 0 ||
opt_params.other_wg_size_q2_22 <= 0 ||
opt_params.max_sum_size_q2_2 < 2 || opt_params.max_sum_size_q2_2 % 2 != 0 ) {
printf(
"(error) b4pdf2D / init solver: Invalid opt_params. \n");
*error = B4PFM_INVALID_OPTS;
return NULL;
}
}
if(!force_radix2) {
if( ldf < opt_params.other_wg_size_11 ||
ldf < opt_params.other_wg_size_12 ||
ldf < opt_params.other_wg_size_21 ||
ldf < opt_params.other_wg_size_22a ||
ldf < opt_params.other_wg_size_22b)
printf(
"(warning) b4pdf2D / init solver: ldf is smaller than given workgroup sizes. \n");
}
if(force_radix2) {
if( ldf < opt_params.other_wg_size_q2_11 ||
ldf < opt_params.other_wg_size_q2_12)
printf(
"(warning) b4pdf2D / init solver: ldf is smaller than given workgroup sizes. \n");
}
if(k2 & 1 || force_radix2) {
if( ldf < opt_params.other_wg_size_q2_21 ||
ldf < opt_params.other_wg_size_q2_22)
printf(
"(warning) b4pdf2D / init solver: ldf is smaller than given workgroup sizes. \n");
}
size_t var_size = prec ? sizeof(cl_double) : sizeof(cl_float);
/* Malloc new solver if possible */
r_b4pfm2D *solver = malloc(sizeof(r_b4pfm2D));
if(solver == NULL) {
printf(
"(error) b4pdf2D / init solver: Can't malloc solver.\n");
*error = B4PFM_UNKNOWN_ERROR;
return NULL;
}
/* Pre-initialize solver */
solver->context = 0;
solver->force_radix2 = force_radix2;
solver->k1 = k1;
solver->k2 = k2;
solver->k3 = k3;
solver->ldf = ldf;
solver->double_prec = prec;
solver->kernel_2D11 = 0;
solver->kernel_2D12 = 0;
solver->kernel_2D21 = 0;
solver->kernel_2D22A = 0;
solver->kernel_2D22B = 0;
solver->kernel_2DCR = 0;
solver->kernel_Q2_2D11 = 0;
solver->kernel_Q2_2D12 = 0;
solver->kernel_Q2_2D21 = 0;
solver->kernel_Q2_2D22 = 0;
solver->max_sum_size1 = opt_params.max_sum_size1;
solver->max_sum_size2a = opt_params.max_sum_size2a;
solver->max_sum_size2b = opt_params.max_sum_size2b;
solver->max_sum_size_q2_1 = opt_params.max_sum_size_q2_1;
solver->max_sum_size_q2_2 = opt_params.max_sum_size_q2_2;
/* Sets opencl context for solver */
err = clRetainContext(context);
if(err != CL_SUCCESS) {
printf(
"(error) b4pdf2D / init solver: Invalid context. " \
"OpenCL errorcode: %d\n", err);
*error = B4PFM_INVALID_ARGS;
return NULL;
}
solver->context = context;
/* TODO: Move this! */
cl_program program = 0;
#define free_all() \
if(program) clReleaseProgram(program); \
free_2d_solver(solver)
/* Find the OpenCL device corresponding to given context */
cl_device_id device;
err = clGetContextInfo(solver->context, CL_CONTEXT_DEVICES,
sizeof(cl_device_id), &device, 0);
if(err != CL_SUCCESS) {
printf(
"(error) b4pdf2D / init solver: Can't query device id from context. " \
"OpenCL errorcode: %d\n", err);
free_all();
*error = B4PFM_OPENCL_ERROR;
return NULL;
}
/* Check device specific opt_params */
/* Find out the amount of local memory in device */
cl_ulong max_local_mem_size;
clGetDeviceInfo(device, CL_DEVICE_LOCAL_MEM_SIZE,
sizeof(cl_ulong), &max_local_mem_size, 0);
/* Determine maximum work-group size */
size_t max_work_item_sizes[3];
clGetDeviceInfo(device, CL_DEVICE_MAX_WORK_ITEM_SIZES,
sizeof(max_work_item_sizes), max_work_item_sizes, 0);
int cr_local_mem_usage = (opt_params.cr_local_mem_size + (opt_params.use_local_coef ? 2*k3 : 0))*var_size + CR_LOCAL_MEM_BIAS;
int max_cr_work_group_size = MIN(max_work_item_sizes[0], ((max_local_mem_size-((opt_params.use_local_coef ? 2*k3 : 0 )*var_size)-CR_LOCAL_MEM_BIAS))/var_size);
if( opt_params.cr_wg_size > max_cr_work_group_size ||
cr_local_mem_usage > max_local_mem_size) {
printf(
"(error) b4pdf2D / init solver: Invalid opt_params. \n");
free_all();
*error = B4PFM_INVALID_OPTS;
return NULL;
}
if(!force_radix2) {
/* Check */
if( opt_params.other_wg_size_11 > max_work_item_sizes[0] ||
opt_params.other_wg_size_12 > max_work_item_sizes[0] ||
opt_params.other_wg_size_21 > max_work_item_sizes[0] ||
opt_params.other_wg_size_22a > max_work_item_sizes[0] ||
opt_params.other_wg_size_22b > max_work_item_sizes[0]) {
printf(
"(error) b4pdf2D / init solver: Invalid opt_params. \n");
free_all();
*error = B4PFM_INVALID_OPTS;
return NULL;
}
}
if(force_radix2) {
if( opt_params.other_wg_size_q2_11 > max_work_item_sizes[0] ||
opt_params.other_wg_size_q2_12 > max_work_item_sizes[0]) {
printf(
"(error) b4pdf2D / init solver: Invalid opt_params. \n");
free_all();
*error = B4PFM_INVALID_OPTS;
return NULL;
}
}
if(k2 & 1 || force_radix2) {
if( opt_params.other_wg_size_q2_21 > max_work_item_sizes[0] ||
opt_params.other_wg_size_q2_22 > max_work_item_sizes[0]) {
printf(
"(error) b4pdf2D / init solver: Invalid opt_params. \n");
free_all();
*error = B4PFM_INVALID_OPTS;
return NULL;
}
}
/* TODO: Same checks for other_wg_size */
/* Checks double precision support */
char *extensions = malloc(1000*sizeof(char));
clGetDeviceInfo(device, CL_DEVICE_EXTENSIONS, 1000, extensions, 0);
int double_support = strstr(extensions, "cl_khr_fp64") != 0;
int ati_double_support = strstr(extensions, "cl_amd_fp64") != 0;
free(extensions);
if(solver->double_prec && double_support == 0 && ati_double_support == 0) {
printf(
"(error) b4pdf2D / init solver: Device doesn't support double precision. \n");
free_all();
*error = B4PFM_INVALID_ARGS;
return NULL;
}
/* Creates a new opencl program-object */
program = clCreateProgramWithSource(solver->context, 1, &kernels2D, 0, &err);
if(err != CL_SUCCESS) {
printf(
"(error) b4pdf2D / init solver: Can't create program. " \
"OpenCL errorcode: %d\n.", err);
free_all();
*error = B4PFM_OPENCL_ERROR;
return NULL;
}
/* Build opencl program */
char *format =
" -D Q2SOLVER=%d" \
" -D Q4SOLVER=%d" \
" -D DOUBLE=%d" \
" -D AMD_FP64=%d" \
" -D D=%d" \
" -D HILODOUBLE=%d" \
" -D GLOBAL_SOLVER=%d" \
" -D MIDDLE_SOLVER=%d" \
" -D USE_LOCAL_COEF=%d" \
" -D FORCE_PRIV_COEF=%d"\
" -D CR_LOCAL_MEM_SIZE=%d" \
" -D CR_WG_SIZE=%d" \
" -D OTHER_WG_SIZE_2D11=%d" \
" -D OTHER_WG_SIZE_2D12=%d" \
" -D OTHER_WG_SIZE_2D21=%d" \
" -D OTHER_WG_SIZE_2D22A=%d" \
" -D OTHER_WG_SIZE_2D22B=%d" \
" -D OTHER_WG_SIZE_Q2_2D11=%d" \
" -D OTHER_WG_SIZE_Q2_2D12=%d" \
" -D OTHER_WG_SIZE_Q2_2D21=%d" \
" -D OTHER_WG_SIZE_Q2_2D22=%d" \
" -D MAX_SUM_SIZE1=%d" \
" -D MAX_SUM_SIZE2A=%d" \
" -D MAX_SUM_SIZE2B=%d" \
" -D MAX_SUM_SIZE_Q2_1=%d" \
" -D MAX_SUM_SIZE_Q2_2=%d" \
" -D K1=%d" \
" -D K2=%d" \
" -D K3=%d" \
" -D LDF=%d";
char opt[strlen(format)+100];
sprintf(opt, format,
k2 & 1 || force_radix2,
!force_radix2,
solver->double_prec,
ati_double_support,
opt_params.vector_width,
opt_params.hilodouble,
global_solver,
middle_solver,
opt_params.use_local_coef,
opt_params.force_priv_coef,
opt_params.cr_local_mem_size,
opt_params.cr_wg_size,
opt_params.other_wg_size_11,
opt_params.other_wg_size_12,
opt_params.other_wg_size_21,
opt_params.other_wg_size_22a,
opt_params.other_wg_size_22b,
opt_params.other_wg_size_q2_11,
opt_params.other_wg_size_q2_12,
opt_params.other_wg_size_q2_21,
opt_params.other_wg_size_q2_22,
opt_params.max_sum_size1,
opt_params.max_sum_size2a,
opt_params.max_sum_size2b,
opt_params.max_sum_size_q2_1,
opt_params.max_sum_size_q2_2,
k1,
k2,
k3,
ldf);
if(debug == B4PFM_DEBUG_FULL || debug == B4PFM_DEBUG_TIMING)
printf("(debug) b4pdf2D / init solver: Compiler args: %s\n", opt);
err = clBuildProgram(program, 0, 0, opt, 0, 0);
if (err || debug == B4PFM_DEBUG_FULL || debug == B4PFM_DEBUG_TIMING) {
char *log = malloc(102400);
clGetProgramBuildInfo(program, device, CL_PROGRAM_BUILD_LOG,
102400, log, NULL );
printf("(debug) b4pdf2D / init solver: OpenCL compiler output:\n");
printf("======================================================\n");
printf("%s\n", log);
printf("======================================================\n");
free(log);
}
if(err != CL_SUCCESS) {
printf(
"(error) b4pdf2D / init solver: Can't build program. " \
"OpenCL errorcode: %d\n", err);
free_all();
*error = B4PFM_OPENCL_ERROR;
return NULL;
}
/*
size_t bin_size;
clGetProgramInfo(program, CL_PROGRAM_BINARY_SIZES, sizeof(size_t), &bin_size, 0);
char *log = malloc(bin_size);
clGetProgramInfo(program, CL_PROGRAM_BINARIES, sizeof(char *), &log, 0);
printf("======================================================\n");
printf("%s\n", log);
printf("======================================================\n");
free(log);
*/
clUnloadCompiler();
if(!force_radix2) {
/* Creates opencl kernel handels */
solver->kernel_2D11 = clCreateKernel(program, "b4pfm_11", &err);
if(err != CL_SUCCESS) {
printf(
"(error) b4pdf2D / init solver: Can't create kernel b4pfm_11. " \
"OpenCL errorcode: %d\n.", err);
free_all();
*error = B4PFM_OPENCL_ERROR;
return NULL;
}
solver->kernel_2D12 = clCreateKernel(program, "b4pfm_12", &err);
if(err != CL_SUCCESS) {
printf(
"(error) b4pdf2D / init solver: Can't create kernel b4pfm_12. " \
"OpenCL errorcode: %d\n.", err);
free_all();
*error = B4PFM_OPENCL_ERROR;
return NULL;
}
solver->kernel_2D21 = clCreateKernel(program, "b4pfm_21", &err);
if(err != CL_SUCCESS) {
printf(
"(error) b4pdf2D / init solver: Can't create kernel b4pfm_21. " \
"OpenCL errorcode: %d\n.", err);
free_all();
*error = B4PFM_OPENCL_ERROR;
return NULL;
}
solver->kernel_2D22A = clCreateKernel(program, "b4pfm_22a", &err);
if(err != CL_SUCCESS) {
printf(
"(error) b4pdf2D / init solver: Can't create kernel b4pfm_22a. " \
"OpenCL errorcode: %d\n.", err);
free_all();
*error = B4PFM_OPENCL_ERROR;
return NULL;
}
solver->kernel_2D22B = clCreateKernel(program, "b4pfm_22b", &err);
if(err != CL_SUCCESS) {
printf(
"(error) b4pdf2D / init solver: Can't create kernel b4pfm_22b. " \
"OpenCL errorcode: %d\n.", err);
free_all();
*error = B4PFM_OPENCL_ERROR;
return NULL;
}
}
solver->kernel_2DCR = clCreateKernel(program, "b4pfm_CR", &err);
if(err != CL_SUCCESS) {
printf(
"(error) b4pdf2D / init solver: Can't create kernel b4pfm_CR. " \
"OpenCL errorcode: %d\n.", err);
free_all();
*error = B4PFM_OPENCL_ERROR;
return NULL;
}
if(force_radix2) {
solver->kernel_Q2_2D11 = clCreateKernel(program, "b2pfm_11", &err);
if(err != CL_SUCCESS) {
printf(
"(error) b4pdf2D / init solver: Can't create kernel b2pfm_CR11. " \
"OpenCL errorcode: %d\n.", err);
free_all();
*error = B4PFM_OPENCL_ERROR;
return NULL;
}
solver->kernel_Q2_2D12 = clCreateKernel(program, "b2pfm_12", &err);
if(err != CL_SUCCESS) {
printf(
"(error) b4pdf2D / init solver: Can't create kernel b2pfm_12. " \
"OpenCL errorcode: %d\n.", err);
free_all();
*error = B4PFM_OPENCL_ERROR;
return NULL;
}
}
if(k2 & 1 || force_radix2) {
solver->kernel_Q2_2D21 = clCreateKernel(program, "b2pfm_21", &err);
if(err != CL_SUCCESS) {
printf(
"(error) b4pdf2D / init solver: Can't create kernel b2pfm_21. " \
"OpenCL errorcode: %d\n.", err);
free_all();
*error = B4PFM_OPENCL_ERROR;
return NULL;
}
solver->kernel_Q2_2D22 = clCreateKernel(program, "b2pfm_22", &err);
if(err != CL_SUCCESS) {
printf(
"(error) b4pdf2D / init solver: Can't create kernel b2pfm_22. " \
"OpenCL errorcode: %d\n.", err);
free_all();
*error = B4PFM_OPENCL_ERROR;
return NULL;
}
}
/* Check work group sizes */
/* Finds out what is the optimal work group size for each kernel */
#define handle_wrong_wg_size(kern,param,max,err) \
if(opt_params.param <= max) { \
solver->kern = opt_params.param; \
} else { \
printf( \
"(error) b4pdf2D / init solver: param is too big. " \
"Max value: %d\n", (int) max); \
free_all(); \
*err_info = max; \
*error = err; \
return NULL; \
}
size_t tc_cr;
clGetKernelWorkGroupInfo(solver->kernel_2DCR, device,
CL_KERNEL_WORK_GROUP_SIZE, sizeof(size_t), &tc_cr, 0);
handle_wrong_wg_size(kernel_2DCR_threads, cr_wg_size, tc_cr, B4PFM_CR_WG_TOO_BIG);
if(!force_radix2) {
size_t tc11, tc12, tc21, tc22a, tc22b;
clGetKernelWorkGroupInfo(solver->kernel_2D11, device,
CL_KERNEL_WORK_GROUP_SIZE, sizeof(size_t), &tc11, 0);
clGetKernelWorkGroupInfo(solver->kernel_2D12, device,
CL_KERNEL_WORK_GROUP_SIZE, sizeof(size_t), &tc12, 0);
clGetKernelWorkGroupInfo(solver->kernel_2D21, device,
CL_KERNEL_WORK_GROUP_SIZE, sizeof(size_t), &tc21, 0);
clGetKernelWorkGroupInfo(solver->kernel_2D22A, device,
CL_KERNEL_WORK_GROUP_SIZE, sizeof(size_t), &tc22a, 0);
clGetKernelWorkGroupInfo(solver->kernel_2D22B, device,
CL_KERNEL_WORK_GROUP_SIZE, sizeof(size_t), &tc22b, 0);
handle_wrong_wg_size(kernel_2D11_threads, other_wg_size_11, tc11, B4PFM_OTHER_WG_2D11_TOO_BIG);
handle_wrong_wg_size(kernel_2D12_threads, other_wg_size_12, tc12, B4PFM_OTHER_WG_2D12_TOO_BIG);
handle_wrong_wg_size(kernel_2D21_threads, other_wg_size_21, tc21, B4PFM_OTHER_WG_2D21_TOO_BIG);
handle_wrong_wg_size(kernel_2D22A_threads, other_wg_size_22a, tc22a, B4PFM_OTHER_WG_2D22A_TOO_BIG);
handle_wrong_wg_size(kernel_2D22B_threads, other_wg_size_22b, tc22b, B4PFM_OTHER_WG_2D22B_TOO_BIG);
}
if(force_radix2) {
size_t q2_tc11, q2_tc12;
clGetKernelWorkGroupInfo(solver->kernel_Q2_2D11, device,
CL_KERNEL_WORK_GROUP_SIZE, sizeof(size_t), &q2_tc11, 0);
clGetKernelWorkGroupInfo(solver->kernel_Q2_2D12, device,
CL_KERNEL_WORK_GROUP_SIZE, sizeof(size_t), &q2_tc12, 0);
handle_wrong_wg_size(kernel_Q2_2D11_threads, other_wg_size_q2_11, q2_tc11, B4PFM_OTHER_WG_Q2_2D11_TOO_BIG);
handle_wrong_wg_size(kernel_Q2_2D12_threads, other_wg_size_q2_12, q2_tc12, B4PFM_OTHER_WG_Q2_2D12_TOO_BIG);
}
if(k2 & 1 || force_radix2) {
size_t q2_tc21, q2_tc22;
clGetKernelWorkGroupInfo(solver->kernel_Q2_2D21, device,
CL_KERNEL_WORK_GROUP_SIZE, sizeof(size_t), &q2_tc21, 0);
clGetKernelWorkGroupInfo(solver->kernel_Q2_2D22, device,
CL_KERNEL_WORK_GROUP_SIZE, sizeof(size_t), &q2_tc22, 0);
handle_wrong_wg_size(kernel_Q2_2D21_threads, other_wg_size_q2_21, q2_tc21, B4PFM_OTHER_WG_Q2_2D21_TOO_BIG);
handle_wrong_wg_size(kernel_Q2_2D22_threads, other_wg_size_q2_22, q2_tc22, B4PFM_OTHER_WG_Q2_2D22_TOO_BIG);
}
if(debug != B4PFM_DEBUG_NONE) printf(
"(debug) b4pdf2D / init solver: Solver is now initialized. \n");
#undef free_all
/* Everything is ready. Return. */
*error = B4PFM_OK;
return solver;
}
int run_2d_solver(r_b4pfm2D *solver, cl_command_queue o_queue, cl_mem f, cl_mem o_tmp, int count, int r1, int debug, int *o_err_info) {
int *err_info;
int tmp_err_info;
if(o_err_info == 0)
err_info = &tmp_err_info;
else
err_info = o_err_info;
if(solver == NULL)
return B4PFM_INVALID_SOLVER;
if(debug == B4PFM_DEBUG_FULL || debug == B4PFM_DEBUG_TIMING) printf(
"(debug) b4pdf2D / run solver: count=%d, r1=%d\n", count, r1);
else if(debug != B4PFM_DEBUG_NONE) printf(
"(debug) b4pdf2D / run solver\n");
int err;
int var_size = solver->double_prec ? sizeof(cl_double) : sizeof(cl_float);
int cmd_queue_prof_was_enabled = 0;
int cmd_queue_prof_enabled = 0;
/* Creates a new opencl command queue if necessary. */
cl_command_queue queue;
if(o_queue == 0) {
if(debug != B4PFM_DEBUG_NONE) printf(
"(debug) b4pdf2D / run solver: No OpenCL Commandqueue given. "\
"Creating OpenCL Commandqueue... \n");
cl_device_id device;
err = clGetContextInfo(solver->context, CL_CONTEXT_DEVICES,
sizeof(cl_device_id), &device, 0);
if(err != CL_SUCCESS) {
printf(
"(error) b4pdf2D / run solver: Can't query device id from context. " \
"OpenCL errorcode: %d\n", err);
return B4PFM_OPENCL_ERROR;
}
if(debug == B4PFM_DEBUG_TIMING) {
queue = clCreateCommandQueue(solver->context, device, CL_QUEUE_PROFILING_ENABLE, &err);
printf(
"(debug) b4pdf2D / run solver: OpenCL command queue profiling enabled. \n");
} else
queue = clCreateCommandQueue(solver->context, device, 0, &err);
if(err != CL_SUCCESS) {
printf(
"(error) b4pdf2D / run solver: Can't create command queue. " \
"OpenCL errorcode: %d\n.", err);
return B4PFM_OPENCL_ERROR;
}
} else {
queue = o_queue;
clRetainCommandQueue(queue);
if(debug == B4PFM_DEBUG_TIMING) {
cl_command_queue_properties old_cmd_queue_pro;
err = clSetCommandQueueProperty(queue, CL_QUEUE_PROFILING_ENABLE, CL_TRUE, &old_cmd_queue_pro);
cmd_queue_prof_was_enabled = old_cmd_queue_pro & CL_QUEUE_PROFILING_ENABLE;
if(err == CL_SUCCESS)
cmd_queue_prof_enabled = 1;
else
printf(
"(error) b4pdf2D / run solver: Can't enable OpenCL command queue profiling. "
"OpenCL errorcode: %d.\n", err);
if(cmd_queue_prof_enabled && !cmd_queue_prof_was_enabled)
printf(
"(debug) b4pdf2D / run solver: OpenCL command queue profiling enabled. \n");
}
}
/* Creates a new opencl memory buffer for temporar data */
cl_mem tmp;
if(o_tmp == 0) {
if(debug != B4PFM_DEBUG_NONE) printf(
"(debug) b4pdf2D / run solver: No global workplace given. " \
"Creating global workplace buffer... \n");
int tmp_mem_size = count*3*POW2(solver->k2-2)*POW2(solver->k3)*var_size;
if(debug == B4PFM_DEBUG_FULL || debug == B4PFM_DEBUG_TIMING) printf(
"(debug) b4pdf2D / run solver: Global workplace size = %d bytes. \n",
tmp_mem_size);
tmp = clCreateBuffer(solver->context, CL_MEM_READ_WRITE, tmp_mem_size, 0, &err);
if(err != CL_SUCCESS) {
printf(
"(error) b4pdf2D / run solver: Can't allocate device memory for " \
"workplace-buffer. OpenCL errorcode: %d\n.", err);
clReleaseCommandQueue(queue);
return B4PFM_OPENCL_ERROR;
}
} else {
clRetainMemObject(o_tmp);
tmp = o_tmp;
}
/* Set initial kernel arguments */
err = clSetKernelArg(solver->kernel_2D11, KARGS_2D11_O_F,
sizeof(cl_mem), (void *)&f);
err |= clSetKernelArg(solver->kernel_2D12, KARGS_2D12_O_F,
sizeof(cl_mem), (void *)&f);
err |= clSetKernelArg(solver->kernel_2D21, KARGS_2D21_O_F,
sizeof(cl_mem), (void *)&f);
err |= clSetKernelArg(solver->kernel_2D22B, KARGS_2D22B_O_F,
sizeof(cl_mem), (void *)&f);
err = clSetKernelArg(solver->kernel_2D11, KARGS_2D11_O_G,
sizeof(cl_mem), (void *)&tmp);
err |= clSetKernelArg(solver->kernel_2D12, KARGS_2D12_O_G,
sizeof(cl_mem), (void *)&tmp);
err |= clSetKernelArg(solver->kernel_2D12, KARGS_2D12_O_G,
sizeof(cl_mem), (void *)&tmp);
err |= clSetKernelArg(solver->kernel_2D21, KARGS_2D21_O_G,
sizeof(cl_mem), (void *)&tmp);
err |= clSetKernelArg(solver->kernel_2D22A, KARGS_2D22A_O_G,
sizeof(cl_mem), (void *)&tmp);
err |= clSetKernelArg(solver->kernel_2D22B, KARGS_2D22B_O_G,
sizeof(cl_mem), (void *)&tmp);
err |= clSetKernelArg(solver->kernel_2DCR, KARGS_2DCR_O_F,
sizeof(cl_mem), (void *)&tmp);
err |= clSetKernelArg(solver->kernel_2DCR, KARGS_2DCR_R1,
sizeof(cl_int), (void *)&r1);
int k1 = solver->k1;
int k2 = solver->k2;
cl_int zero = 0;
cl_int one = 1;
err |= clSetKernelArg(solver->kernel_2DCR, KARGS_2DCR_RADIX2_2D,
sizeof(cl_int), (void *)&zero);
if(k1 & 1 && r1 == k1)
err |= clSetKernelArg(solver->kernel_2DCR, KARGS_2DCR_RADIX2_3D,
sizeof(cl_int), (void *)&one);
else
err |= clSetKernelArg(solver->kernel_2DCR, KARGS_2DCR_RADIX2_3D,
sizeof(cl_int), (void *)&zero);
if(k2 & 1) {
err |= clSetKernelArg(solver->kernel_Q2_2D21, KARGS_Q2_2D21_O_F,
sizeof(cl_mem), (void *)&f);
err |= clSetKernelArg(solver->kernel_Q2_2D22, KARGS_Q2_2D22_O_F,
sizeof(cl_mem), (void *)&f);
err |= clSetKernelArg(solver->kernel_Q2_2D21, KARGS_Q2_2D21_O_G,
sizeof(cl_mem), (void *)&tmp);
err |= clSetKernelArg(solver->kernel_Q2_2D22, KARGS_Q2_2D22_O_G,
sizeof(cl_mem), (void *)&tmp);
}
if(err != CL_SUCCESS) {
printf(
"(error) b4pdf2D / run solver: Can't set initial kernel arguments. " \
"OpenCL errorcode: %d\n", err);
clReleaseMemObject(tmp);
clReleaseCommandQueue(queue);
return B4PFM_OPENCL_ERROR;
}
cl_event begin, end;
if(cmd_queue_prof_enabled) {
clFinish(queue);
clEnqueueMarker(queue, &begin);
}
int r2;
for(r2 = 1; r2 <= k2/2 - (k2 & 1 ? 0 : 1); r2++) {
err = clSetKernelArg(solver->kernel_2D11, KARGS_2D11_R,
sizeof(cl_int), (void *)&r2);
err |= clSetKernelArg(solver->kernel_2DCR, KARGS_2DCR_R2,
sizeof(cl_int), (void *)&r2);
err |= clSetKernelArg(solver->kernel_2D12, KARGS_2D12_R,
sizeof(cl_int), (void *)&r2);
if(err != CL_SUCCESS) {
printf(
"(error) b4pdf2D / run solver: Can't set kernel arguments: stage 1 / r = %d. " \
"OpenCL errorcode: %d\n", r2, err);
if(cmd_queue_prof_enabled) clReleaseEvent(begin);
clReleaseMemObject(tmp);
clReleaseCommandQueue(queue);
return B4PFM_OPENCL_ERROR;
}
size_t global_size[2], local_size[2];
/* Lauches kernel */
global_size[0] = (POW2(k2-2*r2)-1) * 3*POW2(2*r2-2) * solver->kernel_2D11_threads;
global_size[1] = count;
local_size[0] = solver->kernel_2D11_threads;
local_size[1] = 1;
err = clEnqueueNDRangeKernel(queue, solver->kernel_2D11, 2, 0,
global_size, local_size, 0, 0, 0);
if(err != CL_SUCCESS) {
printf(
"(error) b4pdf2D / run solver: Can't launch kernel: stage 1 / r = %d / step 1." \
"OpenCL errorcode: %d\n", r2, err);
if(cmd_queue_prof_enabled) clReleaseEvent(begin);
clReleaseMemObject(tmp);
clReleaseCommandQueue(queue);
return B4PFM_OPENCL_ERROR;
}
global_size[0] = (POW2(k2-2*r2)-1) * 3*POW2(2*r2-2) * solver->kernel_2DCR_threads;
global_size[1] = count;
local_size[0] = solver->kernel_2DCR_threads;
local_size[1] = 1;
err = clEnqueueNDRangeKernel(queue, solver->kernel_2DCR, 2, 0,
global_size, local_size, 0, 0, 0);
if(err != CL_SUCCESS) {
printf(
"(error) b4pdf2D / run solver: Can't launch kernel: stage 1 / r = %d / CR. " \
"OpenCL errorcode: %d\n", r2, err);
if(cmd_queue_prof_enabled) clReleaseEvent(begin);
clReleaseMemObject(tmp);
clReleaseCommandQueue(queue);
return B4PFM_OPENCL_ERROR;
}
int part_count = 3*POW2(2*r2-2);
int prev_count;
do {
prev_count = part_count;
part_count /= MIN(part_count, solver->max_sum_size1);
err |= clSetKernelArg(solver->kernel_2D12, KARGS_2D12_PREV_COUNT,
sizeof(cl_int), (void *)&prev_count);
if(err != CL_SUCCESS) {
printf(
"(error) b4pdf2D / run solver: Can't set kernel arguments: stage 1 / r = %d / step 2. " \
"OpenCL errorcode: %d\n", r2, err);
if(cmd_queue_prof_enabled) clReleaseEvent(begin);
clReleaseMemObject(tmp);
clReleaseCommandQueue(queue);
return B4PFM_OPENCL_ERROR;
}
global_size[0] = (POW2(k2-2*r2)-1) * part_count * solver->kernel_2D12_threads;
global_size[1] = count;
local_size[0] = solver->kernel_2D12_threads;
local_size[1] = 1;
err = clEnqueueNDRangeKernel(queue, solver->kernel_2D12, 2, 0,
global_size, local_size, 0, 0, 0);
if(err != CL_SUCCESS) {