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      /  How much more powerful is P5040 over PA6T-1682M?
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Deniil715 
How much more powerful is P5040 over PA6T-1682M?
Posted on 30-Sep-2014 19:19:40
#1 ]
Elite Member
Joined: 14-May-2003
Posts: 4236
From: Sweden

Just wondering how much more power we can expect to get out of the AmigaOne X2000 compared to the X1000. I am mostly concerned about the ability to decode h264 HD video fast enough, something I was kind of expecting the X1000 to handle. The X1000 currently struggles a lot with 720p, not to mention 1080p which is a slideshow.

I sure hope A-EON has chosen the Cyrus CPU based on processing power and not energy efficiency, which is kind of irrelevant in a flagship low-volume desktop/tower computer.

I was trying to find performance benchmarks of comparisons but it seemed a bit hard. So is the (single-core) performance of P5040 about 5%, 20%, 100% or more faster, or is it even slower (considering I heard it doesn't have Altivec)?!?

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pavlor 
Re: How much more powerful is P5040 over PA6T-1682M?
Posted on 30-Sep-2014 19:27:14
#2 ]
Elite Member
Joined: 10-Jul-2005
Posts: 9578
From: Unknown

@Deniil715

Single core integer performance should be faster (2.2 vs 3.0 DMIPS/MHz). However, PA6T has AltiVec (e5500 not). I didn ´t find ANY benchmarks of e5500 based SoCs.

P5040 has 4 cores (PA6T only 2).

Quote:
AmigaOne X2000


X5000...

Quote:
a lot with 720p


Even with both cores (Linux)?

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Deniil715 
Re: How much more powerful is P5040 over PA6T-1682M?
Posted on 30-Sep-2014 19:32:26
#3 ]
Elite Member
Joined: 14-May-2003
Posts: 4236
From: Sweden

@pavlor

Quote:
Quote:
a lot with 720p

Even with both cores (Linux)?


No idea. Probably not if the gfx subsystem is good. But there is a long way until SMP and MPlayer being able to fully utilize it in AmigaOS I feel.

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pavlor 
Re: How much more powerful is P5040 over PA6T-1682M?
Posted on 30-Sep-2014 19:34:08
#4 ]
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Joined: 10-Jul-2005
Posts: 9578
From: Unknown

@Deniil715

P5040 is pointless without SMP (or similar support for multiple cores).

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billt 
Re: How much more powerful is P5040 over PA6T-1682M?
Posted on 30-Sep-2014 20:01:30
#5 ]
Elite Member
Joined: 24-Oct-2003
Posts: 3205
From: Maryland, USA

@pavlor

Quote:
P5040 is pointless without SMP (or similar support for multiple cores).


Well, comparing with the P5020, you'd probably be right. Only because, for single-core only software, the 040 probably costs a bit more than the 020.

Comparing with PA6T, there may be a price differential that makes it worth ignoring 3 cores compared to PA6T system.

I'm surprised that no one has thought of SMP before in terms of OS4.x, and that, allegedly, no one is working on that. (/sarcasm)

If you wanted to build toward a goal of SMP, do you think it is easier to build the hardware as single-core only and then write SMP software and test it there, or is it easier to build MP hardware, and then write and test SMP software on it?

My opinion is that hardware guys should build the hardware as advanced and with as many features as they can, and then we'll all have to wait for software to use it. If the hardware was designed only to those features already existing in software at the time, then how can software guys accomplish anything new? Even if they write code, they cannot test or debug it this way. And even if they find a way to prove their code is good, there are no users that have the capability of using it. Kindof a pointless order of events...

Sorry, but I don't think your post has a point to make.

Last edited by billt on 30-Sep-2014 at 08:02 PM.

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pavlor 
Re: How much more powerful is P5040 over PA6T-1682M?
Posted on 30-Sep-2014 20:18:30
#6 ]
Elite Member
Joined: 10-Jul-2005
Posts: 9578
From: Unknown

@billt

Quote:
Only because, for single-core only software, the 040 probably costs a bit more than the 020.


P5040 has higher clockrate than P5020 (2.2 vs 2.0 GHz).

Quote:
Sorry, but I don't think your post has a point to make.


PA6T has 2 cores, P5020 has 2 cores - you don´t need 4 cores to test these new features. That doesn´t mean A-Eon shouldn´t produce P5040 based A1 - price difference is not that great (in comparison to current PA6T).

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Overflow 
Re: How much more powerful is P5040 over PA6T-1682M?
Posted on 30-Sep-2014 20:42:00
#7 ]
Super Member
Joined: 12-Jun-2012
Posts: 1628
From: Norway

Isnt the main issue lack of drivers and software that fully utilize both x1000 and 2000?

Without that sorted im assuming the cpu speed is somewhat moot...?

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WolfToTheMoon 
Re: How much more powerful is P5040 over PA6T-1682M?
Posted on 30-Sep-2014 20:42:52
#8 ]
Super Member
Joined: 2-Sep-2010
Posts: 1351
From: CRO

Are P5 chips pin compatible with any E6500 core chips? If yes, than they should seriously reconsider goung with E6500 based system if no major redisign is needed...

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billt 
Re: How much more powerful is P5040 over PA6T-1682M?
Posted on 30-Sep-2014 20:49:59
#9 ]
Elite Member
Joined: 24-Oct-2003
Posts: 3205
From: Maryland, USA

Quote:

WolfToTheMoon wrote:
Are P5 chips pin compatible with any E6500 core chips? If yes, than they should seriously reconsider goung with E6500 based system if no major redisign is needed...


No

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tlosm 
Re: How much more powerful is P5040 over PA6T-1682M?
Posted on 30-Sep-2014 20:57:31
#10 ]
Elite Member
Joined: 28-Jul-2012
Posts: 2746
From: Amiga land

with X1000 on Debian Wheezy PPC or Lubuntu PPC you will have 1080p video full Gallium Mesa 3d accelerated thru VLC and full altivec supported h264 decoded in gpu hardware... plus are 64bit full boosted.
better will be your video board better will be everything on Linux. RadeonHd 4450 will be too much for it.
Sed but thru for now amigaos isnt really speedy for Video and Multimedia Playback

On my Quad G5 with an old Nvidia 7800gtx on MacOs X 10.5.8 (is 32bit) i can open 6 Mkv full HD Ac3 bd rip

Last edited by tlosm on 30-Sep-2014 at 09:01 PM.
Last edited by tlosm on 30-Sep-2014 at 08:59 PM.
Last edited by tlosm on 30-Sep-2014 at 08:58 PM.

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tommysammy 
Re: How much more powerful is P5040 over PA6T-1682M?
Posted on 1-Oct-2014 4:46:26
#11 ]
Cult Member
Joined: 20-Jan-2010
Posts: 662
From: Isselburg,Germany

@Deniil715

P5020 should be 6 times faster then a X1000
P5040 should be 12 times faster then a X1000

I can play very well 720p videos on my X1000
I can`t play smooth 1080p videos in Ubuntu on my X1000 (maybe wrong settings)
I think with Multicoresupport my X1000 can play 1080p videos without any problems

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tlosm 
Re: How much more powerful is P5040 over PA6T-1682M?
Posted on 1-Oct-2014 5:21:59
#12 ]
Elite Member
Joined: 28-Jul-2012
Posts: 2746
From: Amiga land

@tommysammy

for sure tommy , im pretty sure somthing is not going well on your configuration.
i was able to play an mkv 1080p on an old p4 2.4 ghz 2001 machine with a radeonhd on pci pcie adaptor. x1000 is more faster of it.
what lubuntu you had been set ? do you had been installed the mesa patch from xeno74?
check if you have the gallium/mesa running desktop and not the softrasterizer .
the lubuntu 14.04 is the last and better distro for radeonhd support :)

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MacBook Pro Retina I7 2.3ghz;
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Niolator 
Re: How much more powerful is P5040 over PA6T-1682M?
Posted on 1-Oct-2014 6:20:49
#13 ]
Super Member
Joined: 3-May-2003
Posts: 1420
From: Unknown

@all

How many applications use Altivec on Amiga? I can think of two or three. The only use you have of it today is Linux, I guess, but running Linux on AmigaNG seems stupid to me. Most of us have a PC and those are a lot more effective for Linux than PPC.

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KimmoK 
Re: How much more powerful is P5040 over PA6T-1682M?
Posted on 1-Oct-2014 7:31:30
#14 ]
Elite Member
Joined: 14-Mar-2003
Posts: 5211
From: Ylikiiminki, Finland

@tommysammy

>P5020 should be 6 times faster then a X1000

I think in integer it should be like 6000MIPS vs 4000MIPS per core (if both fully optimized).

So P5020 runs at the 1,5* the speed of x1000, in integer.
(most likely not faster in floatingpoint operations due to Altivec on x1000)

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Deniil715 
Re: How much more powerful is P5040 over PA6T-1682M?
Posted on 1-Oct-2014 7:44:15
#15 ]
Elite Member
Joined: 14-May-2003
Posts: 4236
From: Sweden

@KimmoK

So about 50% faster in integer performance. That sounds reasonable. And for video we obviously need GPU assisted h264 decoding to make it really happening. Average CPUs simply can't do it (on a single core), at least not 1080p@60. Might be able to squeeze every bit out of Altivec to do 720p.

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broadblues 
Re: How much more powerful is P5040 over PA6T-1682M?
Posted on 1-Oct-2014 10:05:26
#16 ]
Amiga Developer Team
Joined: 20-Jul-2004
Posts: 4446
From: Portsmouth England

@Niolator

Quote:

How many applications use Altivec on Amiga? I can think of two or three.


Every single one, as newlib and ceratin exec functins are optimised to used it.

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Niolator 
Re: How much more powerful is P5040 over PA6T-1682M?
Posted on 1-Oct-2014 12:08:36
#17 ]
Super Member
Joined: 3-May-2003
Posts: 1420
From: Unknown

@broadblues

Ok, my mistake.

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billt 
Re: How much more powerful is P5040 over PA6T-1682M?
Posted on 1-Oct-2014 17:15:46
#18 ]
Elite Member
Joined: 24-Oct-2003
Posts: 3205
From: Maryland, USA

Quote:

pavlor wrote:
PA6T has 2 cores, P5020 has 2 cores - you don´t need 4 cores to test these new features. That doesn´t mean A-Eon shouldn´t produce P5040 based A1 - price difference is not that great (in comparison to current PA6T).


As you say th eprice difference is not htat great, then why go for the 2 instead of the 4? If I bought a 2-core, because that was what was available, then SMT support is finished and released, and then after that they sell the 4-core board, I would want the 4-core. Why not just have that from the beginning, and then later I can fully use it, just as only then can I fully use the 2-core design? Especially, as you say, 5040 clocks a little higher as a single-cpu thing until then anyway.

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WolfToTheMoon 
Re: How much more powerful is P5040 over PA6T-1682M?
Posted on 1-Oct-2014 17:28:50
#19 ]
Super Member
Joined: 2-Sep-2010
Posts: 1351
From: CRO

Seems like T2080 is 160$ a piece in 100 quantity.

Why not use this, it's quad(8 virtual) core, dual threaded e6500 core with Altivec...

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Rob 
Re: How much more powerful is P5040 over PA6T-1682M?
Posted on 1-Oct-2014 18:04:01
#20 ]
Elite Member
Joined: 20-Mar-2003
Posts: 6344
From: S.Wales

@WolfToTheMoon

Quote:
Seems like T2080 is 160$ a piece in 100 quantity. Why not use this, it's quad(8 virtual) core, dual threaded e6500 core with Altivec...


They didn't begin sampling until last November. Completed Cyrus boards were show last June/July.

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