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Profiling CPU使用

Posted by nanxiao on 三月 1, 2016 in 技术 |

本文内容取自于《Systems Performance: Enterprise and the Cloud》。 […]

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Linux kernel 笔记 (60)——scheduling domain

Posted by nanxiao on 二月 28, 2016 in Linux kernel 笔记 |

在NUMA系统上,由于不同CPU直接访问本地内存和远端内存的时间相差很大,所以更好地调度算法就显得很重要。Li […]

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UMA vs NUMA

Posted by nanxiao on 二月 2, 2016 in 技术 |

本文选自Non-Uniform Memory Access (NUMA)。 流行的并行体系结构计算机分为以下两 […]

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CPU,GPU和GPGPU的区别

Posted by nanxiao on 一月 5, 2016 in 技术 |

下面摘自Why are we still using CPUs instead of GPUs?: GPUs […]

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为什么单CPU没有“memory reorder”问题?

Posted by nanxiao on 十一月 27, 2015 in 技术 |

这篇文章提到单核系统上不会有“memory reorder”问题: Two threads being tim […]

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“Memory order”分析笔记

Posted by nanxiao on 十一月 25, 2015 in 技术 |

以下图片摘自Memory Reordering Caught in the Act,它描述了memory re […]

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*NIX & Hacking —— 第10期

Posted by nanxiao on 十月 22, 2015 in 《*NIX & Hacking》杂志 |

做一本我感兴趣的杂志,就这么简单! Git Some of git internals Kernel A Hi […]

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“/dev/tty”,“/dev/console”和“/dev/tty0”的区别

Posted by nanxiao on 九月 28, 2015 in 技术 |

这篇笔记来自于stackoverflow的一篇帖子,答案如下: From the documentation( […]

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*NIX & Hacking —— 第8期

Posted by nanxiao on 九月 7, 2015 in 《*NIX & Hacking》杂志 |

做一本我感兴趣的杂志,就这么简单! C C Programming Substance Guidelines […]

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PCI寻址笔记

Posted by nanxiao on 九月 4, 2015 in 技术 |

Linux现在支持多个PCI domain,每个PCI domain管理256个bus(2^8),每个bus上 […]

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