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Topics - lepidotos

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Applications and Porting / XenonRecomp
« on: March 03, 2025, 07:54:20 pm »
It's not for PowerPC (yet(, but this seems like a very interesting project to me. It currently depends on amd64 intrinsics, but a similar project, N64Recomp, doesn't, so I wonder if that's a hard cap. Apparently it's already building games for Linux, so DirectX isn't needed... I'd be interested in this because it'd be some of the most intensive games you could theoretically natively run, and it'd just feel neat to play something that was made for IBM + Radeon on IBM + Radeon.

https://github.com/hedge-dev/XenonRecomp

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General CPU Discussion / Has anyone done the Phoronix suite recently?
« on: February 23, 2025, 06:18:10 pm »
I know that the Phoronix suite isn't the best benchmarking suite around, but it's at least an option. I went looking and all I could find were the 2019 results, has anyone done any more recent benchmarks to see how optimized things got in the last 6 years?

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So I just watched this video by everyone's favorite 5'1" Canadian, and it has me daydreaming a little. Be warned, there will be copious amounts of unsupported claims and baseless optimism ahead.
https://www.youtube.com/watch?v=8EXrxGByJJg
If chipsets can be flashed to support brand new hardware, I wonder if you could reverse engineer and flash an AM5 chipset like X770 to support an OpenPOWER or ARM processor down the line, even if it means erasing support for AMD ones. It could be a good budget option to get people into the ecosystem; even if it's not free, I think most of the people here are willing to bend that a little considering the widespread use of graphics cards. I know one of the main reasons there isn't more development is that the hardware is too expensive (the main reason I've heard people say they were interested in Blackbird but didn't plan on getting one), and while Raptor is I'm sure working on that and hopefully getting Talos III/BBII back down toward 2019 prices, for someone who cares less about how fully open their hardware is and cares more about simpler ISAs that run more efficiently or don't want to buy into the big duopoly (which admittedly I'm kind of more toward, not that end user ownership isn't important to me, just not an end-all-be-all), that might be interesting.
Now, yes, this would require getting new processors made, and that would be fairly pricey, particularly in whittling something desktop-class out of presumably licensed Power11 IP (or potentially backporting libreSoC innovations back into Microwatt and beefing it up from there)... but if someone could just flash their chipset on an AMD processor, take the cooler off, and drop in a PowerPC or ARM part, it might generate some interest. I'm sure the kind of person interested in this would be more than willing to drop $450 or even $500 on a drop-in replacement, should this be a realistic and viable thing in the first place, rather than spend $1600 on a whole new build. I mean, 7800X3D is about $450 and it's in many ways about on par with POWER9, some wins, some losses. And with the coming node freeze circa 2028 at 1nm, it might get fairly cheap to get it down to 5 or 3 nm by the circa 2030 date of arrival I would imagine it would have at the earliest.
Unlikely and a lot of money put in, sure, but it certainly seems like at present, X99/C612 upgrades of a similar sort to this (if staying within amd64) are very common in places like China, Russia, and Brazil. And I know that chipsets can be flashed to support new processors, the AMD 300 chipsets were. AM5 is shaping up to be a very common generation it seems considering the Intel 13th/14th blunder, so if this is doable and viable, it might be a good option to pick in terms of potential install base since there probably will be an AM6 circa 2030 or so, around the time that something like this would be out, and this would give at least some of those boards an even longer life. And, if you wanted, you could also use those same AM5 PowerPC CPUs in new boards with new chipsets for selling consumer-level PCs. That's something I'd been interested in if somewhat distantly, I have a vision for what prebuilt PowerPC... PCs could look like. That's absolutely cocky to say, I admit, but I do have that level of confidence in this one area... and a few others, but those are entirely unrelated. All I can say is it takes that old Commodore 64 slogan, "Welcome to the world of friendly computing", entirely seriously.

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Yes, 9070 XT is... kind of stretching this nearly 10 year old CPU a little considering it's meant to be roughly 7900 XTX-tier, especially for people like me with paired CPUs, but it's also 2.0-slot and is guaranteed not to be $1,500 used or $3,000 new like the Radeon Pro W7800 is. Plus, it can always move on to the next generation when Raptor puts out the S1-based boards. I think it'll be my next move after the RX 570... I'd almost certainly need to get a stouter PSU than 550 W though, even that's cutting it close when I got a 231 (to be fair, it was a really good price).

Hopefully, RDNA 4 is similar enough to 3 that compatibility is pretty much already taken care of even before it's out, I know AMD has been doing some kernel work recently regarding it on AMD64.

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Blackbird / Availability of P9 hardware post-ISA 3.1 HW launch
« on: April 13, 2024, 12:38:51 am »
As far as I know, the plan for the Solid Silicon hardware is to release late this year. Will there be a period where you can buy either a Blackbird or the new offering, or will it directly replace it? I assume Vikings keeps a couple in stock at any one time so they'll wait until they run out to discontinue their listing, but I'm not in Europe.

Thanks.

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Operating Systems and Porting / Haiku
« on: January 26, 2022, 08:44:39 pm »
Anyone interested? They recently cleaned up their PPC branch, though it's still way behind x86. Personally, I think it would be a great OS for people who are a little less comfortable with command lines, and I enjoy using it too for how simple it is, how fast it is on my Pentium M laptop, and how it doesn't recognize its panel and lets me use it at 85 Hz. Hardware support isn"t amazing, however.

I recognize their PPC efforts are focused around Macintosh, but there was a little bit of talk about OpenPOWER hardware on their forums and the response was basically "the only reason it couldn't be done is nobody's doing it".

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