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When should one use a spinlock instead of mutex?
...r, the operating system will forcefully switch to another thread, once the CPU runtime quantum of the current thread has been exceeded, of course).
The Problem
The problem with mutexes is that putting threads to sleep and waking them up again are both rather expensive operations, they'll need quit...
node.js child process - difference between spawn & fork
...hout effecting other things. Scheduling, shared cache usage, BUS traffic, etc. However, it should take advantage of a separate core, and leave your main run loop MOSTLY unaffected. As in, not the severe negative effects you'd expect of having two processes run on the same single core processor. A...
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...
Task vs Thread differences [duplicate]
...now it will be a separate thread, rather than executing on the thread pool etc.
Task is more than just an abstraction of "where to run some code" though - it's really just "the promise of a result in the future". So as some different examples:
Task.Delay doesn't need any actual CPU time; it's jus...
How do I debug Node.js applications?
... from any browser supporting WebSocket. Breakpoints, profiler, livecoding, etc... It is really awesome.
Install it with:
npm install -g node-inspector
Then run:
node-debug app.js
share
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impro...
What are the differences between virtual memory and physical memory?
...ith fragmentation, transparent copy-on-write memory techniques require VM, etc...
– Kaganar
Jul 9 '14 at 15:05
2
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开源邮件传输代理软件 -- Postfix 介绍 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...。还有一种情况时，如果postfix在处理邮件过程中遇到了问题，则该值会开始降低。
当接收到的新邮件的数量超过postfix的投递能力时，postfix会暂时停止投递deferred队列中的邮件而去处理新接收到的邮件。这是因为处理新邮件的...
Why do you program in assembly? [closed]
...CPU architecture and optimization. For example, things you know about the fetching mechanism, caching, etc. This is supposed to be transparent to the developer, but the fact is that it is not, that's why compiler writers can optimize.
Certain hardware level accesses are only possible/practical via a...
Why do stacks typically grow downwards?
I know that in the architectures I'm personally familiar with (x86, 6502, etc), the stack typically grows downwards (i.e. every item pushed onto the stack results in a decremented SP, not an incremented one).
...