In 1983, Acorn Computers needed a CPU. So 10 people built one. It was 1983, and Acorn Computers was on top of the world. Unfortunately, trouble was just around the corner. The small UK company was famous for winning a contract with the British Broadcasting Corporation to produce a computer for a national television show. … Read more
1. Project Background and Objectives With the rapid development of artificial intelligence technology and the continuous expansion of application scenarios, computing chip architectures are undergoing unprecedented changes. CPU (Central Processing Unit), GPU (Graphics Processing Unit), and NPU (Neural Processing Unit) are currently the mainstream computing architectures, each playing a key role in different fields. 2. … Read more
Arm Holdings Limited (NASDAQ: ARM, hereinafter referred to as Arm) today announced the launch of the new Arm® Lumex™ Compute Subsystem (CSS) platform, an advanced computing platform designed to accelerate the artificial intelligence (AI) experience for flagship smartphones and next-generation personal computers. The Lumex CSS platform integrates the highest performance Arm CPUs, GPUs, and system … Read more
In 1983, Acorn Computers was at its peak. Unfortunately, troubles were also on the horizon. This small British company became famous for winning a contract with the BBC to produce computers for a national television program. The sales of its BBC Micro computers skyrocketed, with expectations to surpass 1.2 million units. BBC Micro magazine advertisement. … 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
In October 2023, Qualcomm launched the new Snapdragon X Elite platform, making another attempt to enter the PC laptop market, which subsequently led to the development of Snapdragon X Plus and Snapdragon X. In the past two years, the Snapdragon X series laptops have gradually flourished, with major OEM manufacturers releasing approximately 150 different product … Read more
Recently, based on the requirements of the “Guidelines for Security and Reliability Evaluation Work V3.0”, the China Information Security Evaluation Center and the National Confidentiality Technology Evaluation Center, two national-level authoritative institutions, jointly released a significant document – the Security and Reliability Evaluation Results Announcement (2025 No. 3), valid for three years from the date … Read more
The SG2042 uses the T-head Xuantie C910 core. It has a clock speed of 2.0GHz, with a total of 64 cores, where every 16 cores form a NUMA node, and there are 4 memory channels. The following tests were conducted using the vendor-provided GCC 10.2 version on an Ubuntu system with SSH remote access. In … Read more
Composition and Measurement of Computing Power: Architectures of CPU, GPU, NPU, and More Composition: The core of computing power (computational capability) is the number of calculations a processor can complete in a unit of time. This is based on the processor’s clock frequency, core count, parallel processing capability, and memory bandwidth. Measurement: FLOPS is the … Read more
On September 18, 2025, NVIDIA announced a $5 billion investment in Intel at a price of $23.28 per share, establishing a long-term strategic partnership between the two companies. In the future, Intel is expected to produce x86 SoCs integrated with NVIDIA GPU chips, coupled together via NVLink to enhance performance. Intel’s custom x86 CPUs will … Read more