I think it's probably better, for now, for Ubuntu users to adapt to using Pi OS rather than adapting to Ubuntu's lower performance on the Pi. I suspect this will change in the future, as Canonical and the Pi Foundation continue working hand in hand to improve Ubuntu's integration on the Pi-but Raspberry Pi OS, like Ubuntu, is for the most part just Debian under the hood. We suspect that most of the people who are habituated to Ubuntu's Gnome3-based desktop will find it easier to adapt to Raspberry Pi OS' functional LXDE-based desktop than to deal with the lower performance that Groovy Gorilla offers right now. It's noticeably slower to boot, slower to open applications, and the 60fps YouTube video that dropped frames here and there under Raspberry Pi OS only renders a frame here or there under Ubuntu. With that said, it is significantly slower than Raspberry Pi OS, and for the moment, I wouldn't particularly recommend it on the Pi 400 yet. If you're familiar with Ubuntu Desktop, you'll be familiar with Ubuntu on the Pi 400-it just works, and it looks exactly the same as it would on a traditional x86 system. In general, Ubuntu 20.10 is exactly as Desktop Engineering Director Martin Wimpress promised me-a fully functional distribution ready-to-go with the Pi 400, without any quibbles about things that don't work here or there. The Ubuntu image is actually an installer itself, not a fully installed OS on first boot, it walks the user through a few basic questions prior to running the actual installation process, which also goes to the SD card. However, during our tests, the application failed to load some of the results and did not detect the operating system type correctly.Īll in all, Pi Calculation Speed Test can be used for timing your CPU's capabilities of computing a large number of digits or simply calculating the Pi number with a large number of decimals (over 11,000).I also tested the Pi 400 under Ubuntu 20.10, which was preflashed on a second SD card that the Pi Foundation shipped specially to us along with the Pi 400 kit. The operating system type, the processor model, speed and other specifications are automatically detected by Pi Calculation Speed Test, but you can enter a custom user name and computer description. Therefore, you can identify if your PC's capabilities are above or below other similar computers and view your position in the online result top, for each computing method. The generated results can be uploaded online, in order to compare the processing time of your CPU with other results, obtained by other application users. The calculation time is determined for each computing method and the total time is also displayed. The application priority is set to highest, in order to ensure that the results are really conclusive. Once you start the benchmarking test, you are advised to avoid mouse movements or keyboard input during the process. The application provides support for multiple calculation methods, including John Machin's formula, the Leibniz infinite serie or the Monte Carlo algorithm, which are popular techniques for computing Pi to a large number of digits. The main interface is clean and well-organized, enabling you to start the speed test with just a click. Initially designed as a simple calculator for the Pi number, this benchmarking application can record the calculation time and help you compare the results with those obtained by similar computer configurations. As its name implies, Pi Calculation Speed Test provides you with lightweight tool that can test your CPU's capacity to calculate Pi with as many decimals as possible.
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