Software > Operating Systems and Porting
[NEWS] Fedora 40 is officially released!
Hasturtium:
I'm not worried, Redneck Rampage was always flaky and in hours since it hasn't so much as burbled - which means DOSBox-Staging is at least as stable as any actual DOS machine I ever ran.
Incidentally, I did a performance comparison of DOSBox-Staging between my three machines by running Quake in 320x200, and both my M2 Air and Ryzen 5700GE notch over 200 fps, while the Power9 wrangles about 35. I want to be clear that I'm not complaining: the Power9 is delivering performance that feels very much like a midrange Pentium, which means it's sufficient for anything that all but crazy people would ask of MS-DOS, but I am curious about the sheer amount of that difference.
ClassicHasClass:
I'm not sure, actually. I'll have to load it up on my M1 Air and check it out. The x86_64 figure could be because those don't use dynrec, but ARM should ... unless you're running the Intel Mac build on your M2, not an Apple silicon build?
Hasturtium:
--- Quote from: ClassicHasClass on June 30, 2024, 09:02:37 pm ---I'm not sure, actually. I'll have to load it up on my M1 Air and check it out. The x86_64 figure could be because those don't use dynrec, but ARM should ... unless you're running the Intel Mac build on your M2, not an Apple silicon build?
--- End quote ---
You're right - I figured the Ryzen was largely running native code. To the point on Apple Silicon, the DOSBox Staging build I snagged indicated it was a Universal Binary for Apple Silicon and Intel, but I wonder if it it's running an Intel-native binary and doing an end run around dynrec. Let me know what you find on the M1.
ClassicHasClass:
Is Rosetta checked in Get Info?
Hasturtium:
It was not. Doing a comparison with Rosetta enabled versus ARM-native yielded this result:
Running timedemo demo1 for DOS Quake v1.07 at 320x200 in DOSBox-Staging:
Rosetta: 80.5 fps
Native: 145.0 fps
I don't know why I thought the Air pulled 200+ fps earlier, but 145 fps is easily high-end Pentium III territory regardless.
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