diff options
| -rw-r--r-- | ChangeLog | 18 | ||||
| -rw-r--r-- | benchmark/bm_vm1_gc_wb_ary.rb | 6 | ||||
| -rw-r--r-- | benchmark/bm_vm1_gc_wb_ary_promoted.rb | 14 | ||||
| -rw-r--r-- | benchmark/bm_vm1_gc_wb_obj.rb | 6 | ||||
| -rw-r--r-- | benchmark/bm_vm1_gc_wb_obj_promoted.rb | 17 |
5 files changed, 53 insertions, 8 deletions
@@ -1,3 +1,21 @@ +Tue Mar 17 18:51:43 2015 Koichi Sasada <ko1@atdot.net> + + * benchmark/bm_vm1_gc_wb_ary(_promoted).rb: separate fastpath and + slowpath for WB. + + Before this change bm_vm1_gc_wb_ary.rb tried to check the performance + for WB slowpath (making a reference from oldobj to newobj). However, + from Ruby 2.2, 3 GCs are needed to promote new objects because + only 3 age objects are promted objects. + + To compare fastpath and slowpath, introduce new "promoted" version + benchmark. + + bm_vm1_gc_wb_ary.rb is for fastpath and + bm_vm1_gc_wb_ary_promoted.rb is for slowpath. + + * benchmark/bm_vm1_gc_wb_obj(_promtoed).rb: ditto. + Tue Mar 17 17:23:11 2015 Nobuyoshi Nakada <nobu@ruby-lang.org> * dir.c (glob_helper): distinguish not-yet-stated and DT_UNKNOWN diff --git a/benchmark/bm_vm1_gc_wb_ary.rb b/benchmark/bm_vm1_gc_wb_ary.rb index ecfab51dbf..e80538a2da 100644 --- a/benchmark/bm_vm1_gc_wb_ary.rb +++ b/benchmark/bm_vm1_gc_wb_ary.rb @@ -1,10 +1,8 @@ -long_lived = [] -GC.start -GC.start +short_lived_ary = [] i = 0 short_lived = '' while i<30_000_000 # while loop 1 - long_lived[0] = short_lived # write barrier + short_lived_ary[0] = short_lived # write barrier i+=1 end diff --git a/benchmark/bm_vm1_gc_wb_ary_promoted.rb b/benchmark/bm_vm1_gc_wb_ary_promoted.rb new file mode 100644 index 0000000000..612ec9f888 --- /dev/null +++ b/benchmark/bm_vm1_gc_wb_ary_promoted.rb @@ -0,0 +1,14 @@ +long_lived = [] + +if RUBY_VERSION > "2.2.0" + 3.times{ GC.start(immediate_mark: false, lazy_sweep: false) } +elsif + GC.start +end + +i = 0 +short_lived = '' +while i<30_000_000 # while loop 1 + long_lived[0] = short_lived # write barrier + i+=1 +end diff --git a/benchmark/bm_vm1_gc_wb_obj.rb b/benchmark/bm_vm1_gc_wb_obj.rb index 017eff4f94..9e0aadbbaf 100644 --- a/benchmark/bm_vm1_gc_wb_obj.rb +++ b/benchmark/bm_vm1_gc_wb_obj.rb @@ -1,13 +1,11 @@ class C attr_accessor :foo end -long_lived = C.new -GC.start -GC.start +short_lived_obj = C.new i = 0 short_lived = '' while i<30_000_000 # while loop 1 - long_lived.foo = short_lived # write barrier + short_lived_obj.foo = short_lived # write barrier i+=1 end diff --git a/benchmark/bm_vm1_gc_wb_obj_promoted.rb b/benchmark/bm_vm1_gc_wb_obj_promoted.rb new file mode 100644 index 0000000000..7967e83726 --- /dev/null +++ b/benchmark/bm_vm1_gc_wb_obj_promoted.rb @@ -0,0 +1,17 @@ +class C + attr_accessor :foo +end +long_lived = C.new + +if RUBY_VERSION > "2.2.0" + 3.times{ GC.start(immediate_mark: false, lazy_sweep: false) } +elsif + GC.start +end + +i = 0 +short_lived = '' +while i<30_000_000 # while loop 1 + long_lived.foo = short_lived # write barrier + i+=1 +end |