April 2014
Beginner to intermediate
830 pages
15h 21m
Chinese
Content preview from Mathematica 錦囊妙計
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第十六章
圖 16-3 Lightweight Grid 服務的平行運算設定 [Page-647]
ch16.indd 644 2014/4/2 下午 04:10:48
16.3 傳送指令至多重運算核心進行同步運算
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645
討論說明
設定好 Lightweight Grid 後，遠端運算核心就像本機運算核心般容易使用，Mathematica
會自動在所設定的遠端電腦啟動指定數目的核心。如果網路上有其他使用者也正在使用
該遠端電腦，則可用核心數目減低，因為每台電腦的核心數目上限是固定的，而且也無
法啟動大於處理器核心數目的運算核心。
LaunchKernels
指令可用來啟動指定電腦的運算核心，前提是此電腦需執行 Lightweight
Grid 服務。
延伸資訊
Lightweight Grid 服 務 的 教 學 文 件 與 下 載 連 結 請 見 網 址：
http://www.wolfram.com/
products/lightweightgrid/
。[Page-648]
16.3 傳送指令至多重運算核心進行同步運算
問題點
你想在數個運算核心上同時執行指令。
解決方案
使用
ParallelEvaluate
指令將命令送至數個運算核心執行，當各核心均回傳結果時即結
束。使用
With
指令將區域
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