Understanding the Relationship Between Linux Threads, Cores, and CPUs, and Generating Timestamp Logs with RF from XML

Understanding the Relationship Between Linux Threads, Cores, and CPUs, and Generating Timestamp Logs with RF from XML

Understanding the Relationship Between Linux Sockets, Cores, Threads, and CPUs **CPU(s)**: Represents the total number of logical CPUs in the system. It is calculated by multiplying the number of physical CPU cores, the number of threads per core, and the number of physical CPUs in the system. For example, a system with 2 physical CPUs … Read more

Vol.03 HTTP and SOCKET

Vol.03 HTTP and SOCKET

“I previously wrote a paid column on the architecture of SaaS products for Xiaobaotong, but due to starting a business, I didn’t have time to continue improving it, so it was put on hold. Now I will share the content of the column on the public account, with an expected update once a month. If … Read more

How to Check Port Usage in Linux

How to Check Port Usage in Linux

(Add to your favorites for Linux enthusiasts to enhance Linux skills) Source: Zifimu www.cnblogs.com/wangtao1993/p/6144183.html Today, I want to write a small program in Python to detect whether specific service ports are occupied. I suddenly realized that I didn’t know how to check port usage in Linux. Oh no, I need to learn this quickly. 😁 … Read more

Efficient Combination of mmap and Socket in Embedded Linux

Efficient Combination of mmap and Socket in Embedded Linux

Hello everyone, I am the Information Guy~ In the pursuit of extreme performance in server development, how to reduce the number of data copies and lower CPU usage is an eternal topic. Today, I will introduce the combination of <span><span>mmap</span></span> and <span><span>socket</span></span>, which is a powerful tool to address this pain point, and has been … Read more

Variable Frequency Air Conditioner MCU Programming Socket: Offline and Online Read/Write, G-Matrik Chip, QFP80 Programming Socket!

Variable Frequency Air Conditioner MCU Programming Socket: Offline and Online Read/Write, G-Matrik Chip, QFP80 Programming Socket!

The variable frequency air conditioner supports both online and offline read/write operations, requiring a programming socket to be inserted into the programmer. It can directly support reading and writing of .hex and .bin format files without manual conversion. When used with the RT809H programmer sold in home appliance repair forums, it supports both online and … Read more