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I don't use Ubuntu but as far as I know, resent versions use systemd. goldilocks noted in a comment: Most of the boot time is the userland OS. The kernel only does what it needs to do, which is service that userland. Compiling the kernel won't change any of that or the time it takes. If you want to reduce boot time, you need to consider what services are ...


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You are telling a long story by finally coming to the questions in two small paragraphs. I would say the main reasons that there is no installer program available for Raspberry Pis is, that it is seen as an embedded device, a System On Chip (SOC). It does not have a Basic IO System (BIOS) that can boot an installer program from any medium like CD-ROM, USB-...


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to obtain the frame rates that you want, you need hardware frame buffers (at least two) then while one frame buffer is being displayed, the other frame buffer is receiving new data.


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Graphic displays normal rely upon a GPU, and the RPi is no different. There are details here for optimising code using it. I can't say that the RPi GPU will help you out in this case, but it may be worth a look at. There is a compiler to make things easier by Pete Warden here.


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