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We've twice seen jumps in the bias level of r2 in darks in the last two weeks.
![image](https://github.com/user-attachments/assets/cfa4f25a-c6b3-42fd-b554-e097d9ce5ac7)
These are visible in the ni…
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OSTEP[^ostep]是一本免费的操作系统教材,围绕着操作系统三个基础的概念展开:虚拟化,并发和持久性。
- [ ] Atomic operations
- [ ] Locks (mutex)
- [ ] Conditonal variables
- [ ] Semaphores
Thanks CSAPP, jyy OS, OSTEP for providing good i…
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What i've found to be the best resource for learning about Operating Systems while i was in college.
It dives reasonably deep into the subject, and its completely free (The online version ):
http…
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大概是比MIT的OS课更加易懂一点,课程project质量也非常高,基本上也是Xv6的东西,remzi讲课最好玩而且非常容易听懂
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In Chapter 8.1 Paragraph 4.
“MLFQ 没有为每个工作指定不变的_优先情绪而已_,而是根据观察到的行为调整它的优先级。” should be "MLFQ 没有为每个工作指定不变的_优先级_,而是根据观察到的行为调整它的优先级。"
It is an obvious spelling error.
Hope to help you.
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- 载入程序时分配的是栈,运行时用malloc之类的函数申请的内存是堆。
- 程序是如何跑起来的?
- CPU的作用就是执行指令,详细可以了解指令的执行过程,计算机组成原理有介绍。
- 了解进程的状态(运行,就绪,阻塞(等待io,就是等着文件内容从磁盘等设备中加载进内存),还可能有僵尸,初始态等状态)
- 进程的结构,包括地址空间,寄存器,打开的文件描述符,上下文。
- 多查man手册
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Following up on an [issue raised on slack](https://desisurvey.slack.com/archives/C01HNN87Y7J/p1725985420426669) by @LNapolitano during survey ops: on 20240909, expid 252286 a hot region was spotted in…
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**Problem:**
OSSU recommends [Modern C](https://hal.inria.fr/hal-02383654/file/ModernC.pdf) in the [OSTEP page](https://github.com/ossu/computer-science/tree/master/coursepages/ostep) for learning C …
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This two lines of code are made for DIRECT type of pid controller. What if user wants reverse type? Output will never step in other direction. We have to swap +'s and -'s.
```
//oscillate the out…
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如下:
- [操作系统导论](https://book.douban.com/subject/33463930/)