Can Xinchang Virtualization Extend Clusters Like VMware?

◉ In terms of disaster recovery, can Xinchang virtualization extend clusters like VMware? Or must it rely on load balancing and disaster recovery software to achieve virtual machine disaster recovery effects?*The question comes from community member @loveoct10th, a system engineer at a commercial bank in a certain city. The following sharing is from community peers … Read more

Comparison of Linux Virtualization Solutions: VirtualBox vs KVM

Comparison of Virtualization Solutions: VirtualBox vs KVM Comparison Dimension VirtualBox KVM (based on QEMU) Performance – High resource usage, suitable for lightweight virtualization– Does not support hardware acceleration (requires third-party extensions) – High performance, supports Intel VT-x/AMD-V hardware virtualization– Low resource usage, suitable for high-density virtualization Use Cases – Personal development and testing– Teaching demonstrations– … Read more

HarmonyOS Device Virtualization Technology: Transforming Your Phone into a Smart Home Hub

Is your phone just a phone? No! In the world of HarmonyOS, it can become much more. Today, let’s discuss the device virtualization technology of HarmonyOS, a cutting-edge technology that allows your phone to instantly transform into a smart home control center, managing your home’s lights, curtains, and refrigerator—all without the need to purchase expensive … Read more

100 Essential Virtualization Concepts

1. What is virtualization?Answer: Virtualization is the process of simulating hardware resources through software, abstracting physical devices into multiple virtual instances, enabling flexible allocation and isolation of resources.2. What are the core advantages of virtualization?Answer: It enhances hardware utilization, reduces operational costs, simplifies resource deployment, and supports rapid migration and disaster recovery.3. What are the … Read more

Enabling Virtualization on AMD: Detailed Steps to Activate VT Virtualization Features

In today’s digital age, virtualization technology has become a key technology in the field of information technology. Virtualization not only improves the utilization of hardware resources but also provides a more flexible and efficient deployment method for software applications. Below are the detailed steps to enable virtualization on AMD. Background of Virtualization Technology The purpose … Read more

ARMv8/ARMv9 Memory Barrier Mechanism (Observer & Barrier)

ver0.3 Introduction Those who have persisted in reading this article are already remarkable, as they now understand the weak memory ordering architecture of ARM. You not only understand the types of memory, the memory sharing mechanisms, and the memory consistency mechanisms, but also the CPU architecture and the microarchitecture of processors, all of which lay … Read more

Introduction to NVIDIA BlueField-3 DPU and the DOCA Development Kit

BlueField The DPU is developed based on SmartNIC technology after NVIDIA acquired the Israeli network chip company Mellanox. The latest version is theBlueField-3 DPU, which began full production in 2023.The next generationBlueField-4 is expected to be released in 2025. Compared to theBlueField-3 DPU, the AI acceleration will use an ARM processor, while theBlueField-4 DPU will … Read more

The 2020 Flagship Processor Relies on This!

Recently, ARM launched the Cortex-A77 CPU core and the Mali-G77 GPU core. As we know, ARM cores have always been the foundation of mobile platforms for Huawei, Samsung, and Qualcomm. Although both Samsung and Qualcomm are actively developing their own CPUs or GPUs, they still rely on ARM. It is foreseeable that these two cores … Read more

What GUI to Use for Arm-2D?

[Continuing from Last Time] Last time we discussed: Arm-2D is a GUI toolkit for microcontrollers with limited resources, and we systematically introduced how to deploy the Arm-2D library in an MDK project, further explaining how to use the PFB Helper to achieve “infinitely variable speed” between “frame rate and RAM usage”. Today, we will continue … Read more

MSI Z790MPOWER Review: D5 Memory Overclocking at 8400MHz, Transforming You into an Overclocking Master!

In today’s DIY computer market, overclocking is no longer a forbidden zone for ordinary players. However, we must accept the reality: graphics cards are essentially maxed out, and processors can easily reach 5GHz+ with automatic turbo boost. Overclocking memory, especially DDR5 memory, has also become a field that ordinary DIY players can experiment with. As … Read more