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author Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
date Tue, 31 Jul 2018 18:28:00 +0900
parents
children
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49
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents:
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1 title: CbCによるMoarVMの改良
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents:
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2 author: Takahiro Shimizu
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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3 profile:
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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4 lang: Japanese
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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5
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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6
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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7 # 研究目的
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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8 - Perl5の後継言語として開発されているPerl6はMoarVMと呼ばれるVMを搭載している．
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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9 - Perl6はMoarVM,JVM,JavaScript上で動くRakudoと呼ばれる実装と，コンパイラ開発者用のサブセットであるNQPが主な実装となっている．
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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10 - 現在Perl6及びMoarVMは全体的な速度がPerl5と比較し低下しており，実務として利用できるレベルに達していない．
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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11 - さらにPerl6の実装自体巨大なcase-switch文など見通しが悪くなっている．
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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12 - この問題を解決するために現在当研究室で開発している継続を中心にしたContinuation based Cを用いて改良を行う
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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13 - CbCの設計理念からVMの実装と親和性が高い事も推測できる為，実際にCbCを用いてどのようにVMが実装できるかを検証する
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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14
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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15 # 今週の進捗
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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16 * 評価用のスクリプトを作成して計測していました
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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17
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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18 # 評価の例題
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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19 * 青空文庫のテキストファイルを1つ読み込んで，かなと漢字を正規表現でキャプチャ，総数をカウントする
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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20 * 例 `蜜蜂《みつばち》`
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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21 * 今回はPerl5,Perl6,Rubyで実装しベンチマークを計測した
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22
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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23 # Perl5実装
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24
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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25 ```perl
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26 #!/usr/bin/env perl
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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27 use strict;
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28 use warnings;
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29 use utf8;
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30 use feature 'say';
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31 use Encode;
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32
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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33 my $filename = "./dogura_magura.txt";
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34 open my $fh,'<:encoding(utf-8)',$filename or die qw/can't open/;
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35
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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36 my @kana;
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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37
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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38 while (my $line = <$fh>) {
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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39 chomp $line;
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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40 while( $line =~ m![、。]?(\p{Han}+)《(\p{Hiragana}+)》!g){
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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41 push @kana,[$1,$2];
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42 }
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43 }
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44
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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45 print scalar @kana;
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46 ```
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47
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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48 # Ruby実装
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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49
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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50 ```ruby
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51 #!/usr/bin/env ruby
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52
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53 File.open("./dogura_magura.txt",'r') do |f|
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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54 hoge = f.read.scan(/[、。]?(\p{Han}+)《(\p{Hiragana}+)》/)
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55 p hoge.count
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56 end
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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57 ```
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58
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59 # Perl6実装
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60
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61 ```
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62 #!/usr/bin/env perl6
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63 use v6;
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64
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65 my $file = "./dogura_magura.txt";
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66 my $fh = open $file, :r;
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67 my $hoge;
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68
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69 for $fh.lines -> $line {
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70 if ($line ~~ m:g/<[、。]>?(<:Han>+)"《"(<:Hiragana>+)"》"/ ) {
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71 say $/[0];
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72 $hoge += $/.conj;
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73 }
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74 }
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75
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76 say $hoge;
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77
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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78 $fh.close;
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79 ```
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80
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81 # 測定結果
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82
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83 ```
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
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84 sh test.sh
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85 perl
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86 6726
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87
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88 real 0m0.209s
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89 user 0m0.153s
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90 sys 0m0.045s
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91
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92 ruby
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93 6726
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94
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95 real 0m0.206s
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96 user 0m0.147s
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97 sys 0m0.048s
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98
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99 perl6
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100 6726
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101
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102 real 0m3.052s
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103 user 0m3.176s
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104 sys 0m0.057s
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105 ```
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106
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107 # 測定結果
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108
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109 ```
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110 zsh test.zsh
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111 perl
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112 6726
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113 perl test.pl 0.15s user 0.04s system 95% cpu 0.196 total
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114 ruby
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115 6726
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116 ruby test.rb 0.17s user 0.06s system 94% cpu 0.235 total
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117 perl6
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118 6726
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119 /Users/anatofuz/workspace/cr/Basic/build_perl6/bin/perl6 test.p6 3.21s user 0.07s system 106% cpu 3.090 total
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120 ```
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents:
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121
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents:
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122 * Perl6ではuser timeが圧倒的にかかっているが,systemは他と同レベル
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Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
parents:
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123 * 生成されたprofilerを見た所JITも吐いているらしい