* thread.c (rb_thread_schedule_limits): minor optimization.

eliminate machine context saving when running time is enough small.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32303 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
kosaki 2011-06-29 17:43:58 +00:00
Родитель 5e15194561
Коммит c90ff68d32
2 изменённых файлов: 11 добавлений и 8 удалений

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@ -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

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@ -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");
}
}
}