Gvl改善案

Ruby Development
#1

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    simple-mutex  r31433

vm4_pipe 1.262 2.495
vm4_thread_pass 0.183 2.034

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    simple-mutex  r31433  newgvl

vm4_pipe 1.262 2.495 1.493
vm4_thread_pass 0.183 2.034 0.089

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                            r31433     newgvl        ratio

(1$B0J2<$J$i9bB.!K(B
so_sieve 1.642 1.43 0.87088916
vm1_ivar_set* 1.401 1.647 1.175588865
vm3_thread_mutex 17.083 1.168 0.068372066
vm4_pipe 2.495 1.493 0.598396794
vm4_thread_pass 2.034 0.089 0.043756146

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                            1.8.7      r31433      newgvl

vm3_thread_mutex 1.106 17.083 1.168

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#2

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commit 21fcb1c3a19bf6b330aebf14f4c915c0d63925d6
Author: nobu [email protected]
Date: Sat May 7 14:52:54 2011 +0000

* test/ruby/test_io.rb (TestIO#test_readpartial_lock),
  (TestIO#test_read_lock): get rid of GVL fairness problem.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/[email protected]

b2dd03c8-39d4-4d8f-98ff-823fe69b080e

diff --git a/test/ruby/test_io.rb b/test/ruby/test_io.rb
index 07308a0…9171dc6 100644
— a/test/ruby/test_io.rb
+++ b/test/ruby/test_io.rb
@@ -904,7 +904,7 @@ class TestIO < Test::Unit::TestCase
with_pipe do |r, w|
s = “”
t = Thread.new { r.readpartial(5, s) }

  •  0 until s.size == 5

  •  Thread.pass until s.size == 5
 assert_raise(RuntimeError) { s.clear }
 w.write "foobarbaz"
 w.close

@@ -939,7 +939,7 @@ class TestIO < Test::Unit::TestCase
with_pipe do |r, w|
s = “”
t = Thread.new { r.read(5, s) }

  •  0 until s.size == 5

  •  Thread.pass until s.size == 5
 assert_raise(RuntimeError) { s.clear }
 w.write "foobarbaz"
 w.close
#3

(2011/05/08 21:10), KOSAKI Motohiro wrote:

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#4

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In message “Re: [ruby-dev:43469] Re: GVL$B2~A10F(B”
on Sun, 8 May 2011 21:10:03 +0900, KOSAKI Motohiro
[email protected] writes:

|0 until hogehoge
|
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#5

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In message “[ruby-dev:43483] Re: GVL$B2~A10F(B”
on May.09,2011 07:19:30, [email protected] wrote:

|0 until hogehoge
|
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[email protected]$H$3$s$J46$8!#(B
ruby -e 'Thread.new{loop{}}; loop{p Time.now.usec; Thread.pass}

ruby-core$B$G$O>^6b$^$G$+$1$i$l$F$^$9$,(B([ruby-core:42972])$B!"$:(B
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#6

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In message “[ruby-dev:45300] Re: GVL$B2~A10F(B”
on Mar.01,2012 06:35:56, [email protected] wrote:

usa$B$5$s$H([email protected]$7$?$s$G$9$,!"JRJ}$,(Bbusy loop $B$GJRJ}$,(B

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#7

[email protected]$H$3$s$J46$8!#(B
ruby -e 'Thread.new{loop{}}; loop{p Time.now.usec; Thread.pass}

ruby-core$B$G$O>^6b$^$G$+$1$i$l$F$^$9$,(B([ruby-core:42972])$B!"$:(B
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