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Spinlock versus Semaphore
... means that acquiring a spinlock is a "busy" operation that possibly burns CPU cycles for a long time (maybe forever!) while it effectively achieves "nothing".
The main incentive for such an approach is the fact that a context switch has an overhead equivalent to spinning a few hundred (or maybe tho...
What Process is using all of my disk IO
If I use "top" I can see what CPU is busy and what process is using all of my CPU.
7 Answers
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How to discover number of *logical* cores on Mac OS X?
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You can do this using the sysctl utility:
sysctl -n hw.ncpu
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Android studio using > 100% CPU at all times - no background processes appear to be running
I've noticed Android Studio (when running) uses greater than 100% CPU at all times, even when it appears there are no background processes that the IDE is running (indexing, etc). I might suspect this were something specific to my box, but some fellow developers are encountering this as well.
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redmine开源项目管理工具介绍 - 开源 & Github - 清泛网 - 专注IT技能提升
...开放源码软件的解决方案，它提供集成的项目管理功能，问题跟踪，并为多个版本控制的选项的支持。
二、模块介绍
1.概述
该页面提供一个关于该项目的总体概述。其中问题跟踪标签的列出了每种类型大开的数量及总共的数...
redmine开源项目管理工具介绍 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...开放源码软件的解决方案，它提供集成的项目管理功能，问题跟踪，并为多个版本控制的选项的支持。
二、模块介绍
1.概述
该页面提供一个关于该项目的总体概述。其中问题跟踪标签的列出了每种类型大开的数量及总共的数...
What does the Visual Studio “Any CPU” target mean?
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An AnyCPU assembly will JIT to 64-bit code when loaded into a 64-bit process and 32 bit when loaded into a 32-bit process.
By limiting the CPU you would be saying: There is something being used by the assembly (something likely
u...
一分钟明白 VS manifest 原理 - C/C++ - 清泛网 - 专注C/C++及内核技术
...xp及早前的windows版本，external manifest会比embed manifest有更高的优先级，但对于windows server及后的版本，相反。
为什么我的manifest明明指明
name="Microsoft.VC80.DebugCRT" version="8.0.50608.0"，
但是用depends.exe工具却发现引用的是8.00.50727.42呢...
新浪微博 阿里巴巴囊中物？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...为了整体出售给阿里时控制成本以优化财报，借此获得更高的卖身筹码。
多位业内人士对记者表示，阿里收购新浪微博可能性极大，甚至有人认为是“早晚的事”。一方面，阿里需要获得新浪微博这个媒介，补齐短板；另一方...
全球首例3D彩色全息图面世 VR技术再获重大突破 - 资讯 - 清泛网 - 专注C/C+...
...力线下体验市场，充分发挥国内商区人流大、用户集中度高的特点，2016年有望开拓百亿市场。
华创证券表示，明年第一季度或有虚拟现实杀手级产品推出。2014年Facebook以20亿美元收购的Oculus已是该行业领头羊，预计将于2016年推...