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Author Topic: Toni Wilen adding PPC emulation in WinUAE?  (Read 26731 times)

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Offline magnetic

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Re: Toni Wilen adding PPC emulation in WinUAE?
« Reply #44 on: August 06, 2014, 11:01:56 PM »
Wow just wow. If this really happens wow (again)
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Offline bloodline

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Re: Toni Wilen adding PPC emulation in WinUAE?
« Reply #45 on: August 06, 2014, 11:46:54 PM »
Quote from: xeno74;770467
Unexpected progress!
I wasn't expecting this!

Offline TheMagicM

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Re: Toni Wilen adding PPC emulation in WinUAE?
« Reply #46 on: August 07, 2014, 12:47:16 AM »
I thought that I read somewhere that emulating a PPC system on a x86 system would be unbearably slow?
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Offline matthey

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Re: Toni Wilen adding PPC emulation in WinUAE?
« Reply #47 on: August 07, 2014, 02:39:56 AM »
Quote from: TheMagicM;770509
I thought that I read somewhere that emulating a PPC system on a x86 system would be unbearably slow?


The newer x86 processors are x86_64. The x86_64 ISA gains 8 mostly general purpose registers and all 16 registers are now 64 bits. The x86_64 processors 16 registers still can't hold the PPC's 32 registers but it's a lot better situation than the x86. The x86/x86_64 register memory architecture can do some operations, especially in caches/memory faster than the PPC. The x86_64 processors now have huge caches as well. There was probably some truth that x86 emulation of PPC code would be slow at one time but that is probably less true with x86_64 processors today.
 

Offline donpalmera

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Re: Toni Wilen adding PPC emulation in WinUAE?
« Reply #48 on: August 07, 2014, 03:21:22 AM »
Quote from: TheMagicM;770509
I thought that I read somewhere that emulating a PPC system on a x86 system would be unbearably slow?


What matthey said and:

Consider that you now have 3ghz+ x86 chips and presumably the intention is to emulate the BPPC or CSPPC which are 240MHz.
 

Offline persia

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Re: Toni Wilen adding PPC emulation in WinUAE?
« Reply #49 on: August 07, 2014, 03:46:30 AM »
How does it handle the X86_64 cores?  Say you only have two cores and you run it, will  you get a 2 core PPC emulation?
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Offline psxphill

Re: Toni Wilen adding PPC emulation in WinUAE?
« Reply #50 on: August 07, 2014, 06:46:08 AM »
Quote from: persia;770521
How does it handle the X86_64 cores? Say you only have two cores and you run it, will you get a 2 core PPC emulation?

 What do you mean by "it"? A lot of emulators run everything using a single core.
 

Offline amigadave

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Re: Toni Wilen adding PPC emulation in WinUAE?
« Reply #51 on: August 07, 2014, 12:04:04 PM »
When it comes to what Toni Wilen can accomplish, I guess we should get used to expecting the unexpected good results and faster than usual (specially compared to most Amiga projects) progress.

Toni, you are a Wizard!  Thanks for taking on this challenge and for all of the great work you have done to continue improvement on WinUAE.  I still remember the days when many Amiga users said that an accurate and useful emulation of the Amiga computer on any x86 computer was impossible, or would never happen.  Just like the many users who also stated that one programmer could not complete the design and coding of the MiniMig and a couple of other Amiga related projects that were thought impossible or improbable, before they became a reality.

Amiga users, hardware designers and programmers are amazing, which just proves the old saying "only Amiga makes it possible".

We still have an fantastic community of creative and smart people, even though we rarely agree on much of anything any more.
How are you helping the Amiga community? :)
 

Offline KimmoK

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Re: Toni Wilen adding PPC emulation in WinUAE?
« Reply #52 on: August 07, 2014, 01:04:19 PM »
Quote from: TheMagicM;770509
I thought that I read somewhere that emulating a PPC system on a x86 system would be unbearably slow?

Nintendo WII uses 733Mhz PPC.
Here is benchmark run natively on WII and on Dolphin (WII) emulator on x86:
http://images.anandtech.com/graphs/graph7933/62699.png

So, with PPC JIT the CPU emulation "might be" fully usable with a fast x86.

(now... if AOS4 would be made to run on dolphin ... would it run also on real WII ... )
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Offline TheMagicM

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Re: Toni Wilen adding PPC emulation in WinUAE?
« Reply #53 on: August 07, 2014, 02:45:14 PM »
Quote from: KimmoK;770537
Nintendo WII uses 733Mhz PPC.
Here is benchmark run natively on WII and on Dolphin (WII) emulator on x86:
http://images.anandtech.com/graphs/graph7933/62699.png

So, with PPC JIT the CPU emulation "might be" fully usable with a fast x86.

(now... if AOS4 would be made to run on dolphin ... would it run also on real WII ... )



Ok..now I remember.  It was PearPC I read the review about.  It must have been a long time ago.  At the time they said it was really slow.  

It would be VEERRRYYYY interesting if this new WinUAE can run OS 4.1.  I wonder how Hyperion would react to that.  Guess they wouldnt be too pissed if they sell more copies of OS 4.1.
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Offline Pentad

Re: Toni Wilen adding PPC emulation in WinUAE?
« Reply #54 on: August 07, 2014, 03:08:43 PM »
Quote from: TheMagicM;770509
I thought that I read somewhere that emulating a PPC system on a x86 system would be unbearably slow?


That must have a been a loooong time ago.

I was running PearPC with OS X on my Windows notebook in 2005.  I used it until I bought a Macbook Pro in 2006.  Dolphin runs great in my MBP now (both in Windows and OS X).



Cheers!
-P
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Offline Nickman

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Re: Toni Wilen adding PPC emulation in WinUAE?
« Reply #55 on: August 07, 2014, 08:13:08 PM »
----
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Offline magnetic

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Re: Toni Wilen adding PPC emulation in WinUAE?
« Reply #56 on: August 07, 2014, 09:37:00 PM »
Quote from: Nickman;770562
Its out :D

WinUAE 2.8.2 beta 9 with PPC


Cool! I'm running a recent version of amiga forever can I just install it over that?
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Offline TheMagicM

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Re: Toni Wilen adding PPC emulation in WinUAE?
« Reply #57 on: August 08, 2014, 02:48:35 AM »
Quote from: Nickman;770562
Its out :D

WinUAE 2.8.2 beta 9 with PPC


Can someone break this down as to what is can ACTUALLY RUN emulating a PPC Amiga?   I'm anxious to read the results.
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Offline amoskodare

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Re: Toni Wilen adding PPC emulation in WinUAE?
« Reply #58 on: August 08, 2014, 03:40:45 AM »
Quote from: yssing;770142
Any way I would get me a copy of AOS4 for classic ppc if winUAE could run it.
So count me in for an extra copy of AOS4!
+1

Count me in for an extra copy of OS4 too! :)
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Offline TheMagicM

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Re: Toni Wilen adding PPC emulation in WinUAE?
« Reply #59 from previous page: August 08, 2014, 04:02:00 AM »
Quote from: amoskodare;770574
+1

Count me in for an extra copy of OS4 too! :)


Honestly... I'd buy a copy also.
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