Click the blue text to follow! Heard your image processing code is running slow? Ha, don’t worry! Once upon a time, my code crawled like a snail. Today, let me introduce you to the “black technology” in Java—SIMD vectorization, which will make your image filtering performance soar! What is SIMD? Single Instruction, Multiple Data. In … Read more
Optimizing Python Code Performance: Enhancing Execution Speed In the daily programming process, writing a fully functional program is just the first step; subsequent performance optimization is also an essential aspect of development that cannot be overlooked. Especially when using Python, due to its interpreted and dynamically typed nature, the execution efficiency may be relatively lower … Read more
Complete Guide to Python Matplotlib: The Art of Visualization from Basic Plots to Advanced Techniques 1. Data Visualization: The “Visual Language” of Telling Stories with Charts An excellent chart is worth a thousand lines of data—Matplotlib, as the cornerstone of Python visualization, can transform dull numbers into intuitive insights. This article will guide you from … Read more
Performance Revolution! Enhancing Python Key Algorithm Efficiency with C Extensions At three o’clock that morning, the CPU usage of the online server suddenly soared to 95%, and the alarm message woke me from my sleep. When I opened my laptop, I found that the data processing module I had restructured a few days ago was … Read more
Question 4: What other methods does nftables use, besides hash tables, to address the pain points and bottlenecks of iptables? nftables is a modern framework for network traffic filtering in the Linux kernel, designed to replace iptables and address its pain points in terms of performance and flexibility. In addition to using hash tables to … Read more
Introduction In modern game development, the performance of the game physics engine is crucial for creating a realistic gaming experience. From collision detection to complex rigid body motion simulation, the physics engine needs to handle a large number of mathematical calculations. The traditional Single Instruction Single Data (SISD) processing method gradually reveals performance bottlenecks when … Read more
1. Hardware Isolation of Nvidia MIG: From Architectural Design to Engineering Compromise MIG implements 7 independent instances in A100/H100, each exclusively occupying32-512 SM units, 1.8-24GB of VRAM, and independent L2 cache slices. Hardware-level isolation is achieved throughinstance ID tags: the instruction queue, register file, and memory controller access of each SM carry the instance ID, … Read more
With the rapid development of the internet, HTTP/2 has become the standard protocol for modern website optimization. Compared to HTTP/1.1, HTTP/2 introduces features such as multiplexing, header compression, and server push, which can significantly improve webpage loading speed, especially for resource-intensive websites. This article will detail how to enable HTTP/2 support on Nginx and perform … Read more
Optimizing Polars Expressions: Core Techniques for Accelerating String Processing with SIMD Instruction Sets When I first used Polars to clean up millions of usernames, I stared at the progress bar on the screen in disbelief—what originally took 30 seconds suddenly dropped to 3 seconds. The magic behind this is the perfect combination of SIMD instruction … Read more
“This is a gathering place for millions of modified car enthusiasts” We provide the following exciting modification content for you every day Hot Topics News Cases Videos Interactions Source: Modified Car (WeChat ID: iModifiedCar) Author: Mod Brother (Please retain this paragraph when reprinting, otherwise, we will report plagiarism) Among the group of modification enthusiasts, almost … Read more