Click the blue “Most Programmer” to follow me! Add a “star“, every day at 18:03 to learn technology together The commands include: 1. The free command, which displays the system memory status, including physical memory, swap memory, shared memory, and system cache usage; 2. The cat /proc/meminfo command, which reads the contents of the /proc/meminfo … Read more
This is a study note, original text: https://mp.weixin.qq.com/s/6GFHt6JY1eyz85k6xZtCVA 1. Introduction In this world, the operation of any system requires energy. Just as trees grow by relying on light energy, horses run by relying on food, and computer systems operate by relying on electrical energy. However, acquiring energy comes at a cost, so if we can … Read more
This article aims to introduce the memory usage methods in the Linux kernel, detailing the various regions of memory allocation and their functions. 1. Physical Memory Allocation 1. Physical Memory Allocation Diagram Linux kernel’s physical memory allocation General Overview: The entire physical memory is divided into four blocks. Block 1: Linux Kernel Program This is … Read more
Huawei has released several LINUX laptops, and there are a lot of hype articles online, all looking the same, clearly official promotional content that feels like swallowing a bunch of flies! “Wow, Huawei laptops can actually install WINDOWS!” — as if other laptops can’t install WINDOWS as well; “After installing WINDOWS on Huawei, the experience … Read more
In the era of smart cars, the smoothness of the in-car system has become one of the important factors for consumers when purchasing a vehicle. One of the core hardware components that determine the in-car experience is the automotive-grade chip – the Qualcomm 8155. As a mainstream high-performance automotive chip, the 8155 is widely used … Read more
This issue’s content is compiled from: Beijing News, China News Weekly Original authors: Li Cong, Liang Xiaoyan Audio material source: China News Network Recording material: Jiang Feng If you enjoy drinking or have friends who are struggling with alcohol addiction, you may have recently come across a surgical treatment method called the “alcohol abstinence chip.” … Read more
Shijia Photonics (SH:688313) primarily produces PLC optical splitter chips, AWG chips, VOA chips and device modules, OSW chips, WDM devices and modules, optical fiber connector jumpers, FP laser chips, DFB laser chips, EML laser chips, indoor optical cables, and polymer materials for cables. The products applied in AI data centers include: 4CH AWG wafer chips … Read more
Recently, the escalating US-China tariff war has become the core battleground of the economic strategic game between the two countries.In the short term, the US-China tariff war will accelerate the decoupling of technology and industrial chains, impacting domestic manufacturers that rely on US technology and chips. In the long run, the tariff war is beneficial … Read more
In the previous issue, we introduced the wafer preparation process (link). Silicon ingots and wafers Today, we will continue discussing the manufacturing process of chips (die). This stage is the most challenging part of the chip manufacturing process. I will try to explain it in a simple and understandable way, and I hope everyone can … Read more
By Reporter Li Cong from the New Beijing News Editor 丨Chen Xiaoshu Proofreader 丨Yang Li ► This article has 5706 words and takes about 10 minutes to read. Under the shadowless lamp, the scalpel steadily cuts open the skin 1 centimeter below Yuan Qizhi’s navel, about the width of a finger. Ten white pills, the … Read more