using simix_match_func_t = bool (*)(void*, void*, simgrid::kernel::activity::CommImpl*);
using simix_copy_data_func_t = void (*)(simgrid::kernel::activity::CommImpl*, void*, size_t);
using simix_match_func_t = bool (*)(void*, void*, simgrid::kernel::activity::CommImpl*);
using simix_copy_data_func_t = void (*)(simgrid::kernel::activity::CommImpl*, void*, size_t);