Taylor Kidd

针对“普通级(以上)厨师”的高级计算机概念: 简介

之前在与一位非常聪明但不是专业工程师的同事交谈时,我发现有必要对线程化和英特尔® 至强融核™ ⅹ100 和 ⅹ200 架构的其他组件稍作解释。 首先关于超线程,(说的更具体一点)以及协处理器的超线程版本。 经过冥思苦想,我终于想到可以用公共厨房来进行恰当的比喻。

Image of cook, oven & appliances

Power Management Policy: You Mean There’s More Than One?

Power management policy has evolved over the years. The earliest policies consisted of little more than some critical temperature sensors and an interrupt routine that attempted (often unsuccessfully) to cleanly shut down the system before something really bad happened.

Power Management: So what is this policy thing?

Unlike a lot of previous recent blogs, this series is about power management in general. At the very end of the series, I’ll write specifically about the Intel® Xeon Phi™ coprocessor.

I have talked incessantly over the years about power states (e.g. P-states and C-states), and how the processor transitions from one state to another. For a list of previous blogs in this series, and well as other related blogs on power and power management, see the article at [List0]. But I have left out an important component of power management, namely the policy.

Performance BKMs: Introduction and Super-secret Intel Tools

At SC13 (Super Computing 2013)*, someone commented that Intel seems to have some super-secret set of tricks in its pocket, allowing us to optimize “far beyond those of mortal man”+. We don’t really have any super-secret tricks. Even if we did, we wouldn’t use them. We want mortal man (you) to be able to reproduce whatever we do. It is also in our business interest to insure that you can optimize on Intel hardware to the fullest extent possible.

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