Comparison of ARM Cortex-A7 and Cortex-A53 Architectures and Selection Guide for Industrial Applications

Comparison of ARM Cortex-A7 and Cortex-A53 Architectures and Selection Guide for Industrial Applications

1. Architecture Overview In the field of industrial automation, the choice of processor cores directly affects the real-time performance, energy efficiency, and computational power of devices. The ARMxy series industrial controllers BL335 (dual-core Cortex-A7) and BL340 (quad-core Cortex-A53) represent two different technological paths, each targeting distinct industrial scenarios. ARM Cortex-A7 and Cortex-A53 are two classic … Read more

Comparison of C Language with Other Languages: Differences with Java, Python, and More

Comparison of C Language with Other Languages: Differences with Java, Python, and More

Comparison of C Language with Other Languages: Differences with Java, Python, and More In the world of programming languages, C is one of the most widely used and learned foundational languages. It has not only had a profound impact on the development of other programming languages but continues to play a significant role in system … Read more

Huawei Ascend 910B Outperforms H20, 910C Approaches H100!

Huawei Ascend 910B Outperforms H20, 910C Approaches H100!

The performance comparison between Huawei’s Ascend 910 series (including 910, 910B, 910C) and NVIDIA’s AI chips (such as A100, H100, B200) is a complex issue that involves multiple dimensions, including computing power, energy efficiency, ecosystem, and application scenarios. 1. Performance Comparison of Huawei Ascend 910 Series and NVIDIA Chips Overview of Huawei Ascend 910 Series … Read more

Four New 6.3″ Compact Flagship SOC Smartphones Starting at 2800: What Are the Differences in Configuration?

Four New 6.3" Compact Flagship SOC Smartphones Starting at 2800: What Are the Differences in Configuration?

With the release of OnePlus 13T, there are now at least 4 options for Android compact flagship (performance) smartphones equipped with the latest flagship SOC. They are: OnePlus 13T (Snapdragon 8 Elite) OPPO Find X8s (Dimensity 9400+) Xiaomi 15 (Snapdragon 8 Elite) vivo X200 Pro mini (Dimensity 9400) What are the differences among them? Which … Read more

Performance Comparison of Code Based on Different STM32 Library Functions

Performance Comparison of Code Based on Different STM32 Library Functions

Introduction ST has released three types of library functions to facilitate customers in quickly developing STM32 series MCUs. From the earliest standard peripheral driver library to the later Cube HAL, and then to Cube LL and direct register manipulation. How efficient is the code of these libraries? This article will provide a rough analysis of … Read more

DeepSeek Clarifies Why NanoFramework Runs Less Efficiently Than MicroPython on ESP32

DeepSeek Clarifies Why NanoFramework Runs Less Efficiently Than MicroPython on ESP32

Some time ago, I was considering using nanoFramework to develop industrial control boards or IO boards suitable for .NET developers, which led to the following article: Can C# nanoFramework be used to develop industrial controllers? A performance comparison between C language and C# on ESP32! I always thought that C# would run more efficiently than … Read more

Performance Comparison of AES and SM4 Encryption Algorithms Using OpenVPN: National Secret Algorithm Doesn’t Seem So Bad

Performance Comparison of AES and SM4 Encryption Algorithms Using OpenVPN: National Secret Algorithm Doesn't Seem So Bad

From the previous test (Performance Comparison of Different Encryption Algorithms in OpenVPN), we found that there are differences in forwarding performance when OpenVPN uses different encryption algorithms, as shown below: Comparing the encryption algorithms, we can see that the specific encryption algorithms are divided into three parts: the first part is the algorithm name, which … Read more

HTTP/3 Server Development: Performance Comparison of QUIC Protocol Implemented in Go

HTTP/3 Server Development: Performance Comparison of QUIC Protocol Implemented in Go

Click the above“blue text” to follow us I just returned from a meeting with my boss, and he immediately asked, “Why is our app so slow? Especially when the network is unstable, it’s so laggy that it makes people want to throw their phones!” I thought to myself, isn’t this just the old problem of … Read more

Performance Comparison of Different Encryption Algorithms in OpenVPN

Performance Comparison of Different Encryption Algorithms in OpenVPN

We previously introduced that the forwarding performance of IPsec VPN varies with different encryption algorithms (using vSRX to test the performance differences of various IPsec VPN encryption algorithms), but does OpenVPN have this issue? First, we need to confirm the algorithm information used during the OpenVPN negotiation process. For the default configuration, the algorithm information … Read more

Performance Comparison of Virtualization Software

Performance Comparison of Virtualization Software

Produced by Kong Sang First published on WeChat account Kong Sang WeChat ID: OpenDataFoundation After tinkering with the home network, it’s almost time to timeout. Here’s a simple article. Test Results CPU The detailed entries come from the GPGPU testing section of AIDA64. Due to many peculiar issues in this section, and the big-little core … Read more