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Operating Systems and Porting / Re: [NEWS] FreeBSD 13 is out
« on: April 19, 2021, 01:28:01 pm »
FINALLY el support.
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Not to be a (terrible) pedant, but while they do indeed implement (at least most of) the later ISA, the QorIQ e5500 microarchitecture doesn't have much in common with POWER7's. It's essentially a 64-bit e500 without the SPE crap and an FPU borrowed from the e600, itself an evolution of the 744x G4. The lack of AltiVec/VMX is a terrible omission, however, and limits its utility for general purpose computing. It's really an embedded part and meant for that application, and I have said in other places how much of a disservice I think running such CPUs in pricey desktops is to the Amiga community.
1080p 10-bit video works perfectly fine with no framedrops on mine (aircooled dualcore 2.3GHz) - using mpv. The bottleneck there was GPU - after putting in a more modern Radeon (currently HD4670), there are no issues. It's not loud either, unless you load it a lot. The performance seems generally alright as well. I mostly use it for testing, and occasionally I need to trigger a build job on it or something, and it handles that fine (though obviously nowhere near as fast as my POWER9 metal)
edit: just tested pure CPU decoding performance on a 10bit 1080p h264 sample, it averages at ~40FPS, which is plenty headroom for 24fps video...)
The G5s are pretty capable, especially the late 2005 PCIe ones. Up to 4 cores and 16GB RAM, can use a modern GPU with Linux, can use NVMe SSDs, USB3, and so on. The 32-bit stuff is dated, but still makes for reasonable testing machines at least (there isn't any better 32-bit PowerPC hardware out there unless you count the Wii U, which doesn't let you run mainline kernels at least yet, has no accelerated graphics drivers and has the 1 core limitation)
that's kind of a bad attitude to have, considering it's largely thanks to those older systems that the ppc desktop stack is in as good of a shape as it is (IBM doesn't give a shit about anything but headless server/HPC stuff) as well as that support for the platform exists on minority OSes like freebsd at all
besides, i see no reason to kill off older hardware that still serves its purpose perfectly fine for many people - doing otherwise just reeks of planned obsolescence
there's a sizeable community of people running older ppc machines who often couldn't afford buying a blackbird or whatever in the first place