Armadillo is a high-performance C++ linear algebra library that strikes a good balance between usability and speed. Its syntax is designed to be similar to Matlab, making it easy to get started if you are familiar with Matlab. This library supports integers, floating-point numbers, and complex numbers, providing a rich set of linear algebra, matrix … Read more
⏰ Ansible Firefighting Hotline | Memory Utilization Spiking? One-Click Automated Diagnosis Turns You into a Memory Optimization Expert! Are you still struggling with server memory utilization alerts? Today, we bring you a comprehensive automated diagnosis solution for high memory utilization on RHEL servers, allowing you to say goodbye to the nightmare of manual troubleshooting! 🎯 … Read more
Abstract On the Linux 6.15 test kernel, a series of patches submitted by Google engineer Zecheng Li significantly reduces pointer jumps and cache misses by merging the <span><span>cfs_rq</span></span> (Completely Fair Scheduler run queue) with the <span><span>sched_entity</span></span> (scheduling entity) structure and switching to a per-CPU allocator. In large-scale cgroup hierarchical scenarios, this patch reduces LLC (Last … Read more
Table of Contents 1. Multi-level Cache of CPU 2. Improving Data Cache Hit Rate 3. Improving Instruction Cache Hit Rate 4. Improving Cache Hit Rate on Multi-core CPUs 5. Conclusion 🎉 Accumulating knowledge, sharing, and growing, so that both you and others can benefit! 😄 For more project courses, you can add me on WeChat … Read more
Introduction String handling is one of the most common operations in C++ development, but it is also one of the easiest places to make mistakes. Have you encountered performance issues with string concatenation? Are you troubled by the conversion between string and const char*? Are you plagued by issues with Chinese character garbling? From the … Read more
The following are specific call examples for controlling object display and culling with a perspective camera based on UEC++, including usage in different scenarios (such as initializing the camera, dynamically updating the view distance, manually hiding objects, etc.): Example 1: Initializing the Clipping Planes of the Perspective Camera When initializing the player controller or camera … Read more
In non-standard automation projects, the delivery of equipment is just the beginning; the real test lies in subsequent maintenance. A standardized PLC program not only allows maintenance engineers to quickly get up to speed but also significantly reduces equipment failure rates and maintenance costs. Naming Conventions: Let the Program “Speak for Itself” The Golden Rules … Read more
—————————————————————————————————————————— Copyright Statement: Author: Wang Weiwei. Mainly engaged in ISP/GPU/video/automotive chips/AI chips/SoC architecture design Zhihu Column: Advanced Path of Chip Design WeChat Official Account: Advanced Path of Chip Design (x_chip) Can be forwarded without authorization, but this statement must be retained, otherwise legal action will be taken! —————————————————————————————————————————— Currently, we are in a data-driven intelligent … Read more
Scan to FollowLearn Embedded Together, learn and grow together In embedded system development, a logging system is a crucial debugging and diagnostic tool. A well-designed logging system can help developers quickly locate issues, analyze system behavior, and monitor operational status. This article will detail how to develop a fully functional embedded software logging system. Requirements … Read more
Author: Xu Sang 1. Introduction In front-end development, performance optimization has always been a key focus. HTTP caching, as an important means to improve page loading speed, can significantly reduce network requests. However, while developing an image processing feature recently, I encountered a puzzling issue: even though the images were preloaded, they did not hit … Read more