kernel.h

Go to the documentation of this file.

/*
 CCCC: Comprehensiev C Compensation Compiler - Kernel Execution Model
 
 Copyright (C) 2025 George Watson
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.
 
 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
 along with this program.  If not, see <https://www.gnu.org/licenses/>.
*/
 
#ifndef CCCC_KERNEL_H
#define CCCC_KERNEL_H
 
#include <stddef.h>
 
#define CCCC_LOCAL_FENCE  1
#define CCCC_GLOBAL_FENCE 2
 
typedef struct {
    unsigned dims;
    size_t   size[3];
} cccc_range;
 
#define CCCC_RANGE_DIMS_(_1, _2, _3, N, ...) N
 
#define CCCC_RANGE(...)                                                        \
    ((cccc_range){CCCC_RANGE_DIMS_(__VA_ARGS__, 3, 2, 1), {__VA_ARGS__}})
 
#define cccc_launch(k, g, l, ...)                                              \
    __builtin_kernel_launch(k, g, l, ##__VA_ARGS__)
 
#define CCCC_LOCAL(bytes) __builtin_kernel_local(bytes)
 
size_t cccc_global_id(unsigned dim);
size_t cccc_local_id(unsigned dim);
size_t cccc_group_id(unsigned dim);
size_t cccc_global_size(unsigned dim);
size_t cccc_local_size(unsigned dim);
size_t cccc_num_groups(unsigned dim);
unsigned cccc_work_dim(void);
 
void cccc_barrier(unsigned fences);
 
#endif