A Fundamental Turn Toward Concurrency in Software
A Fundamental Turn Toward Concurrency in Software
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发表时间：
2008
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通讯作者：
Herb Sutter
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作者：
Herb Sutter
您的免费午餐即将结束。你能做什么？你在做什么。从英特尔和AMD到SPARC和PowerPC的主要处理器制造商和体系结构都用大多数传统方法来促进CPU性能。与其驾驶时钟速度和直线指令吞吐量越来越高，不如将ensse转向超线程和多层体系结构。今天，这两个功能都可以在芯片上找到。特别是，当前的PowerPC和SPARC IV处理器可用多核物，并于2005年从Intel和AMD出现。确实，2004年内部/MDR秋季处理器论坛（http://www.mdronline.com/fpf04/index.html）的大主题是多层设备，许多公司都显示了新的或更新的多层处理器。回顾过去，称2004年为“多核心年”并不是一件很大的努力。
Your free lunch will soon be over. What can you do about it? What are you doing about it. The major processor manufacturers and architectures, from Intel and AMD to Sparc and PowerPC, have run out of room with most of their traditional approaches to boosting CPU performance. Instead of driving clock speeds and straight-line instruction throughput ever higher, they are instead turning en masse to hyperthreading and multicore architectures. Both of these features are available on chips today; in particular, multicore is available on current PowerPC and Sparc IV processors, and is coming in 2005 from Intel and AMD. Indeed, the big theme of the 2004 In-Stat/MDR Fall Processor Forum (http://www.mdronline.com/fpf04/index.html) was multicore devices, with many companies showing new or updated multicore processors. Looking back, it's not much of a stretch to call 2004 the year of multicore.