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symbol.c: make dsym_fstrs an identity hash

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* symbol.c (Init_sym): make dsym_fstrs a hash compared by identity
  as the keys are unique fstrings, to get rid of running hash and
  compare methods and causing new object allocation during garbage
  collection phase.  [ruby-dev:48891] [Bug #10933]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49842 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2015-03-04 02:52:32 +00:00
parent d7628fcfd3
commit 5cd98697f8
2 changed files with 8 additions and 1 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
Wed Mar 4 11:52:30 2015 Nobuyoshi Nakada <nobu@ruby-lang.org>
* symbol.c (Init_sym): make dsym_fstrs a hash compared by identity
as the keys are unique fstrings, to get rid of running hash and
compare methods and causing new object allocation during garbage
collection phase. [ruby-dev:48891] [Bug #10933]
Wed Mar 4 10:16:57 2015 SHIBATA Hiroshi <shibata.hiroshi@gmail.com> Wed Mar 4 10:16:57 2015 SHIBATA Hiroshi <shibata.hiroshi@gmail.com>
* enum.c: Fix typo in slice_after's exception message. * enum.c: Fix typo in slice_after's exception message.

2
symbol.c
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@ -122,7 +122,7 @@ static const struct st_hash_type symhash = {
void void
Init_sym(void) Init_sym(void)
{ {
VALUE dsym_fstrs = rb_hash_new(); VALUE dsym_fstrs = rb_ident_hash_new();
global_symbols.dsymbol_fstr_hash = dsym_fstrs; global_symbols.dsymbol_fstr_hash = dsym_fstrs;
rb_gc_register_mark_object(dsym_fstrs); rb_gc_register_mark_object(dsym_fstrs);
rb_obj_hide(dsym_fstrs); rb_obj_hide(dsym_fstrs);