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   /  General Technology (No Console Threads)
      /  ps3 cell now perfect emulated.
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tlosm 
ps3 cell now perfect emulated.
Posted on 28-Sep-2017 21:34:37
#1 ]
Elite Member
Joined: 28-Jul-2012
Posts: 2302
From: Amiga land

Like the topic now with an i7 is possible emulate the complete Ps3 thanks to a jit compiler of the cpu

Just for remember the Ps3 cell was a PPC SPE 3.2 Ghz CPU six thread
cell dnetc benchmark

Here the link to the emulator with video of it running emulator

Last edited by tlosm on 28-Sep-2017 at 09:36 PM.
Last edited by tlosm on 28-Sep-2017 at 09:36 PM.
Last edited by tlosm on 28-Sep-2017 at 09:35 PM.
Last edited by tlosm on 28-Sep-2017 at 09:35 PM.

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Hammer 
Re: ps3 cell now perfect emulated.
Posted on 28-Sep-2017 21:37:31
#2 ]
Elite Member
Joined: 9-Mar-2003
Posts: 3925
From: Australia

@tlosm

I have Skylake X i7-7820X 8C/16T for very fast PS3 emu.

Last edited by Hammer on 28-Sep-2017 at 09:39 PM.

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tlosm 
Re: ps3 cell now perfect emulated.
Posted on 28-Sep-2017 21:41:14
#3 ]
Elite Member
Joined: 28-Jul-2012
Posts: 2302
From: Amiga land

@Hammer

im curious to test it on my macbook ... but really soon i will buy an i9 desktop workstation

Last edited by tlosm on 28-Sep-2017 at 09:41 PM.

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WolfpackN64 
Re: ps3 cell now perfect emulated.
Posted on 29-Sep-2017 16:04:24
#4 ]
Regular Member
Joined: 9-Oct-2016
Posts: 272
From: Unknown

@tlosm

Why not a Threadripper system instead of i9?

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tlosm 
Re: ps3 cell now perfect emulated.
Posted on 29-Sep-2017 17:23:01
#5 ]
Elite Member
Joined: 28-Jul-2012
Posts: 2302
From: Amiga land

@WolfpackN64

my first choice was a xeon but i sow the benchmark of a single core i9 and become shocked.
10 core of i9 are really good in prize/performances .
i9 benchmark
compare with general benchmarks

here

_________________
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A 500 + ; CDTV; CD32; A4k.
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Hypex 
Re: ps3 cell now perfect emulated.
Posted on 29-Sep-2017 17:38:33
#6 ]
Elite Member
Joined: 6-May-2007
Posts: 8628
From: Greensborough, Australia

@tlosm

Can Power 9 emulate an older x86/64? Then again an i7 is CISC so emulating a RISC should be easy enough. A RISC emulating a CISC is another matter.

Last edited by Hypex on 30-Sep-2017 at 04:21 PM.

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tlosm 
Re: ps3 cell now perfect emulated.
Posted on 29-Sep-2017 17:54:00
#7 ]
Elite Member
Joined: 28-Jul-2012
Posts: 2302
From: Amiga land

@Hypex

Quote:
Can Power 9 emulate an older x86/64?




yes it can and it can fast, thanks to LE is more faster then before in emulating...

Check here the Power8 Talos

but for me this is an long time investment and i was thinking:
there are every 1 programmer RISC/Power about 10.000 in CISC/X86 in proportion and this make me more simple find what i need.

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WolfpackN64 
Re: ps3 cell now perfect emulated.
Posted on 29-Sep-2017 17:54:41
#8 ]
Regular Member
Joined: 9-Oct-2016
Posts: 272
From: Unknown

@tlosm

A Xeon on the same microarchitecture has exactly the same performance as a comparable i9.
But again, why not a Threadripper system?

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tlosm 
Re: ps3 cell now perfect emulated.
Posted on 29-Sep-2017 18:03:01
#9 ]
Elite Member
Joined: 28-Jul-2012
Posts: 2302
From: Amiga land

@WolfpackN64

If you see I9 is quite faster than the Ryzen.
i check the performance of Ryzen too ,but in past i have not good experiences on AMD machine ... example today after 16 years i can do pratically everything on my old 2001 Pentium 4 i can use last browers too ... this cant be possible on my 2005 amd athlon because some intel cpu specs are not available on it ... eg sse2 .

Last edited by tlosm on 29-Sep-2017 at 06:04 PM.

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WolfpackN64 
Re: ps3 cell now perfect emulated.
Posted on 29-Sep-2017 18:23:52
#10 ]
Regular Member
Joined: 9-Oct-2016
Posts: 272
From: Unknown

@tlosm

If you want an i9 you want multicore performance right? Unleass you opt for the 18 or 16 core i9, which both cost a lot more then Threadripper, Threadripper will beat out all other i9's in multicore performance.

Let alone most i9's seem to be suffering heat issue's.

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tlosm 
Re: ps3 cell now perfect emulated.
Posted on 29-Sep-2017 18:52:12
#11 ]
Elite Member
Joined: 28-Jul-2012
Posts: 2302
From: Amiga land

@WolfpackN64

but in single thread power ? will be better i9 or the Ryzen?
let me explain for me is more important have 10 core more powerful in single thread than have 20 core with less single threads performances

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Hypex 
Re: ps3 cell now perfect emulated.
Posted on 1-Oct-2017 16:17:57
#12 ]
Elite Member
Joined: 6-May-2007
Posts: 8628
From: Greensborough, Australia

@tlosm

Quote:
yes it can and it can fast, thanks to LE is more faster then before in emulating..'


It shouldn't matter if the host kernel is running in LE mode or not, as PPC can read "backwards" from an index register pointer. Power should support the LE instructions. Of course it may be slower that way than in exclusive LE.

x86/64 has MOVEBE which means it can read/write BE directly so faster in emulation. But I don't know also how much overhead it has. Traditionally a BSWAP would handle a conversion.

In either case it looks like QEMU doesn't support vectors natively. And Power vectors are lost in LE mode from what I read. So using LE mode to work around "broken" software on Power will just cripple it other wise if so.

Bit of a worry that Raptor has no PPC computers listed in the shop section. Dare I say Varisys should be dumped for Raptor. Still expensive but a damn bit more powerful than an X5000 I reckon. And a Cell BBE.

Quote:
but for me this is an long time investment and i was thinking:


It's always going to be the case now that any x86 power horse will be cheaper and more powerful than any thing else along with better software support.

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