diff options
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | thread.c | 14 |
2 files changed, 11 insertions, 8 deletions
@@ -1,3 +1,8 @@ +Thu Jun 30 02:41:47 2011 KOSAKI Motohiro <kosaki.motohiro@gmail.com> + + * thread.c (rb_thread_schedule_limits): minor optimization. + eliminate machine context saving when running time is enough small. + Thu Jun 30 02:28:11 2011 KOSAKI Motohiro <kosaki.motohiro@gmail.com> * thread.c (rb_thread_schedule_rec): move interrupt_flag check to @@ -1008,15 +1008,13 @@ rb_thread_schedule_limits(unsigned long limits_us) if (!rb_thread_alone()) { rb_thread_t *th = GET_THREAD(); - thread_debug("rb_thread_schedule/switch start\n"); - - RB_GC_SAVE_MACHINE_CONTEXT(th); - - if (th->running_time_us >= limits_us) + if (th->running_time_us >= limits_us) { + thread_debug("rb_thread_schedule/switch start\n"); + RB_GC_SAVE_MACHINE_CONTEXT(th); gvl_yield(th->vm, th); - - rb_thread_set_current(th); - thread_debug("rb_thread_schedule/switch done\n"); + rb_thread_set_current(th); + thread_debug("rb_thread_schedule/switch done\n"); + } } } |