January 2019
Beginner to intermediate
576 pages
14h 31m
Chinese
Content preview from 深度學習｜內行人的做法
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387
第九章
在 Spark 上使用
深度學習與 DL4J
十年路途上，盡是一夜情
年輕的歲月，正離我而去
再次告訴我，好讓我明白
你確定漢克，也是這樣嗎？
老漢克真的，也是這樣嗎？
— Waylon Jennings，「你確定漢克也是這樣嗎？（Are You Sure Hank
Done It This Way）」
DL4J 搭配 Spark 與 Hadoop 的使用簡介
資料中心（datacenter）過去十年出現了兩個關鍵的技術，分別是 Apache Hadoop 與
Apache Spark。尤其是 Hadoop，如今已成為資料倉儲（data warehouse）成長與演進
的中心。Spark 也成功讓 MapReduce 成為在 Hadoop 執行平行迭代演算法的主線執行
框架。
DL4J 支援在 Spark 上擴展網路的訓練工作。我們可以使用 Spark 來執行 DL4J，以顯著
降低網路訓練所需的時間。隨輸入資料量增加而增長的訓練時間，也有機會藉此達到降
低的效果。
388
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第九章：在 Spark 上使用深度學習與 DL4J
上雲端！
像亞馬遜的 AWS、Google Cloud 與微軟 Azure 這類的平台，都可以讓人
們按照自己的需求來設置 Spark 集群（cluster），花費僅需幾美元。 ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.