machine.h

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#ifndef GHOST_MACHINE_H
#define GHOST_MACHINE_H

#include <stddef.h>
#include <stdbool.h>
#include <hwloc.h>
#include "error.h"
#include "types.h"

#define GHOST_NUMANODE_ANY -1


#ifdef __cplusplus
extern "C" {
#endif

    ghost_error ghost_topology_create();
    void ghost_topology_destroy();
    ghost_error ghost_topology_get(hwloc_topology_t *topo);
    ghost_error ghost_machine_innercache_size(uint64_t *size);
    ghost_error ghost_machine_outercache_size(uint64_t *size);
    ghost_error ghost_machine_cacheline_size(unsigned *size);
    ghost_error ghost_machine_ncore(int *nCores, int numaNode);
    ghost_error ghost_machine_nsmt(int *nLevels);
    ghost_error ghost_machine_npu(int *nPUs, int numaNode);
    ghost_error ghost_machine_nnuma(int *nNodes);
    ghost_error ghost_machine_nnuma_in_cpuset(int *nNodes, hwloc_const_cpuset_t set);
    ghost_error ghost_machine_npu_in_cpuset(int *nPUs, hwloc_const_cpuset_t set);
    ghost_error ghost_machine_ncore_in_cpuset(int *nCores, hwloc_const_cpuset_t set);
    ghost_error ghost_machine_numanode(hwloc_obj_t *node, int idx);
    bool ghost_machine_bigendian();
    ghost_error ghost_machine_string(char **str);

    int ghost_machine_alignment();

    int ghost_machine_simd_width();
    ghost_implementation ghost_get_best_implementation_for_bytesize(int bytes);
    int ghost_implementation_alignment(ghost_implementation impl);
#ifdef __cplusplus
}
#endif

#endif