From c4b78dcacf24f871cbd2ecc6375c3af2c229d299 Mon Sep 17 00:00:00 2001 From: Rickard Green Date: Thu, 18 Nov 2010 14:02:05 +0100 Subject: Do not use more reader groups for schedulers than schedulers When the runtime system had fewer schedulers than logical processors, the system could get an unnecessarily large amount reader groups. --- erts/emulator/beam/erl_init.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'erts/emulator/beam/erl_init.c') diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c index 4ae656a3ad..e2f2cccb7e 100644 --- a/erts/emulator/beam/erl_init.c +++ b/erts/emulator/beam/erl_init.c @@ -786,6 +786,8 @@ early_init(int *argc, char **argv) /* elid.mem.ll.free = ethr_ll_free; #ifdef ERTS_SMP + if (erts_max_main_threads > no_schedulers) + erts_max_main_threads = no_schedulers; elid.main_threads = erts_max_main_threads; #else elid.main_threads = 1; -- cgit v1.2.3