erts: Optimize hashing in process dictionary

by limiting table sizes to powers of 2.

This will change the default size from 10 to 8.

1 files changed, 1 insertions, 0 deletions

diff --git a/erts/emulator/beam/erl_process_dict.h b/erts/emulator/beam/erl_process_dict.h
index 9aa21b7c38..ab50d45c63 100644
--- a/erts/emulator/beam/erl_process_dict.h
+++ b/erts/emulator/beam/erl_process_dict.h
@@ -31,6 +31,7 @@ typedef struct proc_dict {
     Eterm data[1]; /* The beginning of an array of erlang terms */
 } ProcDict;
 
+int erts_pd_set_initial_size(int size);
 Uint erts_dicts_mem_size(struct process *p);
 void erts_erase_dicts(struct process *p);
 void erts_dictionary_dump(int to, void *to_arg, ProcDict *pd);