A group of actors gathers on stage to take their bows. They are dressed as fixed characters from the popular 18th-century French farce—improvisational comedy (commedia dell’arte). All the actors play their respective roles, interacting gracefully—except for the clown Pierrot, who stands in the center of the stage, seemingly afflicted by unrequited love. Dressed in a … Read more
Clue: A Lightweight C++ Logging Library In C++ development, logging is an important aspect that helps developers better understand the program’s runtime state and quickly locate issues. Clue is a very compact and practical C++ logging library. Introduction Clue is a single-file header library, which means it is very lightweight and easy to use. It … Read more
This is a fundamental choice that affects system architecture, performance, cost, and reliability. To better understand the core differences, we can use a metaphor: eFlash MCU is like a laptop with a massive built-in solid-state drive (SSD). All data and the operating system are directly integrated on the motherboard, providing extremely fast access, ready to … Read more
Cap’n Proto: An Efficient Data Serialization Library Cap’n Proto is an efficient binary serialization library developed and open-sourced by Kenton Varda. It aims to provide higher performance and lower memory overhead compared to other serialization formats such as Protocol Buffers and JSON. The design of Cap’n Proto focuses on zero-copy access and efficient memory management, … Read more
According to industry conventions, “small FPGAs” typically refer to FPGA products with a logic density of less than200K SLC (System Logic Cells). In December 2019, Lattice(Lattice) launched the industry’s firstNexus™ platform, which has set a “new benchmark” for small FPGAs with its five key features: low power consumption, high performance, high reliability, advanced security, and … Read more
In the realm of high-frequency trading (HFT), milliseconds are too slow, microseconds are competitive, and nanoseconds are victorious. The relentless pursuit of speed drives companies to explore technologies that push the boundaries of performance, determinism, and efficiency. Field Programmable Gate Arrays (FPGAs) are no longer optional in this race—they are the foundation of next-generation trading … Read more
The mini PC market has been very active recently, with Lenovo offering several models such as Xiaoxin, Yiner, and Laiku, while brands like Zero刻 are also becoming increasingly competitive with a rich product line. Now, Zero刻 has finally launched the i7-13620H computer, priced at 2995 Yuan, while Lenovo has had a product waiting for Zero刻, … Read more
Recently, while organizing the office desk, I suddenly discovered that my five-year-old laptop was protesting with the loud noise of its fan. Looking at its bulky body and the numerous ports filled with a docking station, I couldn’t help but ponder: should this traditional productivity tool really make way for more agile mini computer companions … Read more
C++ is an efficient system-level programming language, and its data type system is the foundation for building complex programs. 1. The Memory Essence of Basic Data Types 1. Memory Layout of Integer Family C++ provides a complete integer system from <span>short</span> to <span>long long</span>, and its memory usage follows the “increasing length” principle: #include <iostream> … Read more
Xiaomi’s first self-developed flagship chip, the Xuanjie O1, was launched in May 2025 alongside the Xiaomi 15S Pro and the Pad 7 Ultra. As a significant product marking Xiaomi’s return to the mobile SoC market after several years, its performance and market response have garnered considerable attention. 1. Technical Performance: Performance Ranks Among the Top … Read more