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Raspberry pi pi os ubuntu arstechnica11/22/2023 It's performance is either the same or in some cases noticably better than 64 bit PI OS, specifically, Bork file encryption and SD write speed were noticably better. Well, I spent the last day and a half running benchmarks on 32bit PI OS, the 64bit beta of PI OS, and 64 Ubuntu, and I have my answer. I'm already guessing there won't be much difference, if any between the 64bit platforms, so we shall see. I can then see what these potentially missing optimisations actually mean in real terms. Using Phoronix to do 3 or so typical use benchmarks: Benchmarking current 32bit raspbian (that is just my rpi3 sdcard plonked in rpi4 and updated), to 64bit raspberry pi os, and finally 64bit server Ubuntu. I have resorted to just benchmarking some typical applications I use. Given the 64bit Ubuntu RPI build can only run on a RPI4, you would hope it was build using sensible optimisations, but who knows. Trying to find actual information on say what compiler flags are used for both builds seems quite hard. I need newer packages, so my options are bloating apt and using pinning, and all the compatabilty headaches that causes, or not use raspberry pi os.l and going Ubuntu server 64. Also note that Ubuntu 20.04 for Pi is a server version, so there is no GPU acceleration for the display. There may also be other micro-optimisations, but for the Pi 4 I would not expect those to make much difference unless you are doing some very compute-intensive tasks. The onyl real optimisation that I am aware of versus Ubuntu is the NEON accelerated crypto, which I'm assuming is not present in Ubuntu (although it may be). Perhaps you have to choose the compromise that suits you?įortunately, there is no cost involved - other than your own time - in trying both.Įven if you loose performance by not using the Operating System recommended and supported by the hardware manufacturer, there is so much power in an RPi4B board that you may never notice the loss incurred by running a third-party OS. I really wanted to know If I am losing any performance optimisations, functionality, or servicing features by not choosing PI OS. Ubuntu feels like a better balance, still going toward stability, but not using ancient packages. Essentially it moves way to slow to be useful in an ever changing world. My real issue with Debian based OS are some of the packages are so old, it's really hard to get stuff working, many current packages in Debian maintainer's eyes are actually considered obsolete by the software authors. So just picked up a RPI4 8GB, and pondering what OS to put on there (I have a Pi3B at the moment, running Raspbian).
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