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Re: Latest DOSBOX : with PPC dinamic recompiler and stuff , right there!

Subject: Re: Latest DOSBOX : with PPC dinamic recompiler and stuff , right there!
by kas1e on 2020/1/20 12:07:20

@BSzili
Quote:

Here's an example of how to run Doom timedemos:
https://thandor.net/benchmark/32
I wonder how the JIT compares to the normal core.


3 times faster :

dynamic : time 3863 gametics in 2483 realtics = 54.4 fps
normal : time 3863 gametics in 7099 realtics = 19 fps

Through, 54.4 fps its just on level of what, on the level of pentuim90 :)

But from the PNCBench, it says with dynamic core we on "pentium 133" level, but those JIT things always a bit different in different conditions.

What i also noticed, is that CPU loading is never 100%. Not with "core:normal" , not with "core:dynamic". Doom's timedemo with dynamic never reached more than 50%. Maybe it all about "pressure on the cache" thingy ? I probably will try to apply Corto's changes to see if it will make any differences togehter with jit.

@tlosm
Quote:

By the way Kas1e can be possible have the link with the original inculde for make i build it in a dosbox for lnx?


Yeah i will soon create repo on github will all stuff.

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