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annotate example/HelloWorld/README @ 839:1001c4bea1a0 draft

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author Yutaka_Kinjyo
date Fri, 28 May 2010 03:24:52 +0900
parents 69e32bb76373
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1 /*
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2 * $Id: README,v 1.5 2008/11/01 02:37:12 gongo Exp $
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3 */
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4
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5 - 概要
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6
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7 "Hello, World!!" を出力するプログラムです。
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8 タスク Hello が文字列を表示します。
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9
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10 - 実行方法
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11
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12 % ./hello [-count COUNT]
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13
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14 -count 表示する "Hello, World!!" の数(つまり、タスク Hello の数)です。
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15
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16 - 実行例 (-cpu は Cerium 標準のオプションです)
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17
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18 % ./hello
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19 [0] Hello, World!!
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20
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21 % ./hello -count 10
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22 [0] Hello, World!!
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23 [1] Hello, World!!
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24 [2] Hello, World!!
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25 [3] Hello, World!!
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26 [4] Hello, World!!
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27 [5] Hello, World!!
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28 [6] Hello, World!!
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29 [7] Hello, World!!
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30 [8] Hello, World!!
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31 [9] Hello, World!!
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32
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33 % ./hello -count 10 -cpu 3
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34 [0] Hello, World!!
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35 [2] Hello, World!!
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36 [3] Hello, World!!
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37 [5] Hello, World!!
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38 [6] Hello, World!!
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39 [8] Hello, World!!
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40 [9] Hello, World!!
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41 [1] Hello, World!!
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42 [4] Hello, World!!
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43 [7] Hello, World!!
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44
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45 上の例では、Hello タスク 10 個を、
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46 3 つの CPU に振り分けて実行しているので
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47 表示が順になっていない -> 並列に実行されていることがわかります。