mrkn	2017-04-14 14:19:12 +0900 (Fri, 14 Apr 2017)

  New Revision: 58347

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=58347

  Log:
    Improve performance of type conversion using to_r
    
    * object.c: Add to_r in conv_method_tbl.
    
    * defs/id.def: add to_r.
    
    * benchmark/bm_int_quo.rb: added.
    
    * benchmark/bm_time_subsec.rb: added.
    
    [Bug #13426]
    [ruby-core:80665]
    [Fix GH-1582]

  Added files:
    trunk/benchmark/bm_int_quo.rb
    trunk/benchmark/bm_time_subsec.rb
  Modified files:
    trunk/defs/id.def
    trunk/object.c
Index: defs/id.def
===================================================================
--- defs/id.def	(revision 58346)
+++ defs/id.def	(revision 58347)
@@ -38,6 +38,7 @@ firstline, predefined = __LINE__+1, %[\ https://github.com/ruby/ruby/blob/trunk/defs/id.def#L38
   to_a
   to_s
   to_i
+  to_r
   bt
   bt_locations
   call
Index: object.c
===================================================================
--- object.c	(revision 58346)
+++ object.c	(revision 58347)
@@ -2619,6 +2619,7 @@ static const struct conv_method_tbl { https://github.com/ruby/ruby/blob/trunk/object.c#L2619
     M(a),
     M(s),
     M(i),
+    M(r),
 #undef M
 };
 #define IMPLICIT_CONVERSIONS 7
Index: benchmark/bm_int_quo.rb
===================================================================
--- benchmark/bm_int_quo.rb	(nonexistent)
+++ benchmark/bm_int_quo.rb	(revision 58347)
@@ -0,0 +1 @@
+5000000.times { 42.quo(3) }
Index: benchmark/bm_time_subsec.rb
===================================================================
--- benchmark/bm_time_subsec.rb	(nonexistent)
+++ benchmark/bm_time_subsec.rb	(revision 58347)
@@ -0,0 +1,2 @@ https://github.com/ruby/ruby/blob/trunk/benchmark/bm_time_subsec.rb#L1
+t = Time.now
+4000000.times { t.subsec }

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