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わくわく MSIL 入門
第2回 学生エンジニア限定LT大会!!!
ゴール
 MSIL を考慮したプログラムをかけるように
 遅いC# コードを書かないようにする
Who an I ?
@Fumiya_kume
01
JXUG (Japan
Xamarin User
Group)
02
C#
03
愛知県の人
04
Microsoft
Student Partners
05
MSIL
 MSIL は CPU に依存しない一連の命令で、効率的
にネイティブ コードに変換できます。MSIL には、
オブジェクトに対する読み込み、格納、初期化、
および呼び出し用の命令の他に、算術演算と論
理演算、制御フロー、DMA (Direct Memory
Access)、例外処理、およびその他の操作のため
の命令も含まれています。
MSIL へのコンパイル – MSDN
https://msdn.microsoft.com/ja-jp/library/windows/hardware/496e4ekx(v=vs.90).aspx
C# 実行状況
Native
Code
各プラットフォーム向け
MSIL 中間言語
C#, F#,VB
…
.NET 基盤で動く言語
Why MSIL?
 様々な環境で動かしたいから
 仮想マシン で動作
 ISO/IEC 23271:2012
Source
Library.NET framework MSIL File
構文解析
最適化
Executable Program
実際にMSILを
眺めていく
 Visual Studio に ILSPY という拡張機能をインストールする
 Visual Studio で適当なConsoleApplication を作る
 ILAPY をプロジェクト上で起動!
5000兆円表示
プログラム
実行結果
MSIL
FROM
ILSPY
今後は…  式木, ILGenerator, などで調べるといいかも!
宣伝
 なごやでXamarin 開発者とXamarin 勉強会
 Xamarin.Android の開発者の Eno さんに来てもらえるよ!
 ちょまどさんも来ちゃう!
まとめ
 MSIL はおいしい

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わくわく Msil 入門 LT

Notas del editor

  1. 様々な環境で動かすときに共通的にする処理をMSILにするときにしている