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How to determine whether a given Linux is 32 bit or 64 bit?
... ==> 32-bit kernel
Otherwise, not for the Linux kernel, but for the CPU, you type:
cat /proc/cpuinfo
or:
grep flags /proc/cpuinfo
Under "flags" parameter, you will see various values: see "What do the flags in /proc/cpuinfo mean?"
Among them, one is named lm: Long Mode (x86-64: amd64, a...
Multiprocessing vs Threading Python [duplicate]
...m though if there are too many processes being spawned too often since the CPU might run out of processes/memory. But it can be the same in case of too many threads spawned too often but still lesser overhead than multiple processes. Right?
– TommyT
Feb 23 '15 ...
How to create a CPU spike with a bash command
...It's quad core system and I want all cores going full speed. Ideally, the CPU load would last a designated amount of time and then stop. I'm hoping there's some trick in bash. I'm thinking some sort of infinite loop.
...
Is volatile expensive?
...n the page I see that LoadLoad and LoadStore are effectively no-ops on X86 CPUs. Does this mean that volatile read operations can be done without a explicit cache invalidation on x86, and is as fast as a normal variable read (disregarding the reordering constraints of volatile)?
...
Why is Node.js single threaded? [closed]
...In my opinion that theory's been borne out. A node.js app that isn't doing CPU intensive stuff can run thousands more concurrent connections than Apache or IIS or other thread-based servers.
The single threaded, async nature does make things complicated. But do you honestly think it's more complica...
How do I check CPU and Memory Usage in Java?
I need to check CPU and memory usage for the server in java, anyone know how it could be done?
15 Answers
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What are the differences between the threading and multiprocessing modules?
...cores, and change your code to use 8 threads, it won't be able to use 800% CPU and run 8x faster; it'll use the same 100% CPU and run at the same speed. (In reality, it'll run a little slower, because there's extra overhead from threading, even if you don't have any shared data, but ignore that for ...
7-Zip for 32/64位 v16.02 - 软件下载 - 清泛网 - 专注C/C++及内核技术
...-Zip 主要特征
使用了 LZMA 与 LZMA2 算法的 7z 格式 拥有极高的压缩比
支持格式：
压缩 / 解压缩：7z, XZ, BZIP2, GZIP, TAR, ZIP and WIM
仅解压缩：ARJ, CAB, CHM, CPIO, CramFS, DEB, DMG, FAT, HFS, ISO, LZH, LZMA, MBR, MSI, NSIS, NTFS, RAR, RPM, SquashFS, UDF, VH...
App Inventor 2 UrsPahoMqttClient 拓展 - 物联网轻量级MQTT协议 · App Inventor 2 中文网
...质量等级会有额外的开销，一般用于安全性、可靠性要求高的场景，比如支付。
RetainFlag：保留消息
保留消息定义：如果PUBLISH消息的RETAIN标记位被设置为1，则称该消息为“保留消息”。
Broker对保留消息的处理：...
MySQL一次主从数据不一致的问题解决过程 - 数据库(内核) - 清泛网 - 专注C/...
MySQL一次主从数据不一致的问题解决过程情况时这样的：昨天晚上主动2个机器都迁移了，然后今天才把主动重新连接上，但是从库的偏移量是从今天当前时刻开始的，也就是说虽然现在主...情况时这样的：
昨天晚上主动2个机器...