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time.c: benchmark recovery

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* time.c (time_localtime): check if `vtm.zone` is a simple zone
  name string before trying to call the conversion method.  since
  r64952, `Time.getlocal` on UTC time has lost the performance
  about 45%, due to this call.  the performance is about 90% of
  r64951 by avoiding it.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65360 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2018-10-25 00:36:23 +00:00
parent f8dbff557a
commit 4c875b6e66
1 changed files with 3 additions and 1 deletions
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4
time.c
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@ -3623,6 +3623,7 @@ time_localtime(VALUE time)
{
struct time_object *tobj;
struct vtm vtm;
VALUE zone;
GetTimeval(time, tobj);
if (TZMODE_LOCALTIME_P(tobj)) {
@ -3633,7 +3634,8 @@ time_localtime(VALUE time)
time_modify(time);
}
if (!NIL_P(tobj->vtm.zone) && zone_localtime(tobj->vtm.zone, time)) {
zone = tobj->vtm.zone;
if (maybe_tzobj_p(zone) && zone_localtime(zone, time)) {
return time;
}