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Software News   Software News : AltiVec-enabled distributed.net Client released
   posted by Futaura on 31-Aug-2004 17:16:04 (7511 reads)
I'm pleased to announce the initial release of a fully (RC5-72 and OGR-P2) AltiVec-enabled build (494b) of the distributed.net client for AmigaOS 4.0 which is now available from the usual place: http://www.distributed.net/download/prerelease.php

To be able to use the AltiVec cores, you'll obviously need a G4, and more importantly kernel 51.12 (previous kernels do not have working AltiVec support). Of course, this client will work ok on non-AltiVec cpus too, for which the usual scalar cores will be used as before.


For more information on the client, RC5-72 and OGR please visit the Distributed Amiga website and be sure to join the team.
    

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PosterThread
Crumb 
Re: AltiVec-enabled distributed.net Client released
Posted on 1-Sep-2004 7:38:30
#21 ]
Elite Member
Joined: 12-Mar-2003
Posts: 2209
From: Zaragoza (Aragonian State)

Yeah! well done! that's the way to go


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Ferry 
Re: AltiVec-enabled distributed.net Client released
Posted on 1-Sep-2004 8:11:55
#22 ]
Cult Member
Joined: 26-Aug-2003
Posts: 696
From: Valencia, Spain

I installed it yesterday, with proper kernel w/altivec support and my A1/G4@933Mhz, and I get

RC5-72: 9879 KKeys/s
OGR: 22285 KNodes/s

Quote:
(My P4 - 3,06 GHz does RC72 - 4 million and OGR 11 million BTW)


Really?! :¬)

Saluditos,

Ferrán.


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ikir 
Re: AltiVec-enabled distributed.net Client released
Posted on 1-Sep-2004 8:45:29
#23 ]
Elite Member
Joined: 18-Dec-2002
Posts: 5647
From: Italy

LOL my A1 beats my P2400


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rossv 
Re: AltiVec-enabled distributed.net Client released
Posted on 1-Sep-2004 8:46:30
#24 ]
Regular Member
Joined: 22-Mar-2003
Posts: 383
From: Sydney, Australia

Quote:
Now if it was for something useful, Like Ligandfit (search for cure for cancer) I'd download the client immediately.


But we don't have Ligandfit, and it is useful to do OGR-P2, not to mention helping to boost the ranking of AmigaOS PPC on the Stats pages, in the meantime.

I encourage you to get the client, and join the effort . Once you get the update, it will FLY with Altivec. It's very fast compared to my PC.

E.g:

RC5-72 on my AMD 1GHz - 3, 800 KKeys/sec
RC5-72 on my A1 800MHz - 8, 500 KKeys/sec

OGR-P2 on my AMD 1GHz - 7, 300 KNodes/sec
OGR-P2 on my A1 800MHz - 19 ,200 KNodes/sec

Regards,

Ross..


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DaveAE 
Re: AltiVec-enabled distributed.net Client released
Posted on 1-Sep-2004 9:19:05
#25 ]
Super Member
Joined: 21-Mar-2003
Posts: 1091
From: The Netherlands

Note that the new kernel only enables the possibility of using Altivec. It's not that everything gets a 3x speed bump automatically. You have to code for it manually and, from personal experience, this is a pain in the *ss.


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KimmoK 
Re: AltiVec-enabled distributed.net Client released
Posted on 1-Sep-2004 9:33:39
#26 ]
Elite Member
Joined: 14-Mar-2003
Posts: 5211
From: Ylikiiminki, Finland

hmmm.... Is this the first "application" that makes G4 A1 more sensible than G3 A1? Perhaps, except that this use is not sensible.


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Toaks 
Re: AltiVec-enabled distributed.net Client released
Posted on 1-Sep-2004 9:50:36
#27 ]
Elite Member
Joined: 10-Mar-2003
Posts: 8042
From: amigaguru.com

bennymee: yes OGR =OGR-P2 , and if yours do 14million then i guess u have clocked your machine, anyway if not then it must be me who remeber wrong, i could double check but i dont wanna

cheers


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Toaks 
Re: AltiVec-enabled distributed.net Client released
Posted on 1-Sep-2004 10:20:12
#28 ]
Elite Member
Joined: 10-Mar-2003
Posts: 8042
From: amigaguru.com

kimmoK: yes it is, and much more to come.

im looking forward to see "LAME" , "Dvplayer" , "moovid" and heaps more to use altivec.....

whohoo


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Crumb 
Re: AltiVec-enabled distributed.net Client released
Posted on 1-Sep-2004 10:40:19
#29 ]
Elite Member
Joined: 12-Mar-2003
Posts: 2209
From: Zaragoza (Aragonian State)

G4 rules


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Vader 
Re: AltiVec-enabled distributed.net Client released
Posted on 1-Sep-2004 11:33:37
#30 ]
Regular Member
Joined: 18-Sep-2003
Posts: 195
From: UK

@ ToAks

Quote:
bennymee: yes OGR =OGR-P2 , and if yours do 14million then i guess u have clocked your machine, anyway if not then it must be me who remeber wrong, i could double check but i dont wanna


The previous client to the altivec enabled one was doing approx 14million with the OGR-P2 optimised cores. The initial releases were around 10million iirc, but improved several times since then.

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bennymee 
Re: AltiVec-enabled distributed.net Client released
Posted on 1-Sep-2004 11:52:25
#31 ]
Cult Member
Joined: 19-Aug-2003
Posts: 696
From: Netherlands

Quote:
bennymee: yes OGR =OGR-P2 , and if yours do 14million then i guess u have clocked your machine, anyway if not then it must be me who remeber wrong, i could double check but i dont wanna


Just standard 800 Mhz G4, I checked twice it is 14 million OGR-P2

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Bodie 
Re: AltiVec-enabled distributed.net Client released
Posted on 1-Sep-2004 12:54:19
#32 ]
Super Member
Joined: 9-Jan-2003
Posts: 1439
From: Azjol-Nerub

@bennymee

I get 14million with the 750fx too OGR-P2 (prerelease, not that it makes a difference in this case).

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poweramiga2002 
Re: AltiVec-enabled distributed.net Client released
Posted on 1-Sep-2004 13:52:56
#33 ]
Super Member
Joined: 29-Jul-2003
Posts: 1389
From: Flinders NSW Australia

just tried new dnetc am getting
rc5-72 4.1 million keys/sec
ogr-p2 18.2 million nodes/sec

am running os4 pre-release G4XE@1000mhz

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Geomol 
Re: AltiVec-enabled distributed.net Client released
Posted on 1-Sep-2004 14:25:47
#34 ]
Regular Member
Joined: 19-May-2003
Posts: 214
From: Denmark

Quote:
LOL my A1 beats my P2400

Great, isn't it?

Comparing different design of CPUs on the MHz (clock) is like comparing top-speed of cars from the horse power. When it comes to CPUs, people seem to think, that a bus would run faster than a sports-car, because the bus has more horse power. PCs are like the bus, an A1 is like a sports-car.

/John.

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Leo 
Re: AltiVec-enabled distributed.net Client released
Posted on 1-Sep-2004 14:26:27
#35 ]
Super Member
Joined: 21-Aug-2003
Posts: 1597
From: Unknown

Would be interesting to see the difference between "normal" core and Altivec-enabled one: anyone could do such comparison tests ?

Regards,
Leo.


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L8-X 
Re: AltiVec-enabled distributed.net Client released
Posted on 1-Sep-2004 16:33:52
#36 ]
Elite Member
Joined: 24-Dec-2002
Posts: 2630
From: Glasgow, UK

Installed and running as we speak. My benchmarks are.

RC5-72: 3,108,717 keys/sec
OGR-P2: 14,229,396 nodes/sec

This is on my A1XE G4@800mhz with pre-release (not a beta test version).


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Toaks 
Re: AltiVec-enabled distributed.net Client released
Posted on 1-Sep-2004 17:38:03
#37 ]
Elite Member
Joined: 10-Mar-2003
Posts: 8042
From: amigaguru.com

guys, i know atleast one thing..altivec was supposedly only going to speed up Rc-5 and not ogr but we got that too, anyway im sure thomas frienden could post what his 1.4ghz crunches codes at ;-D , im sure it kills all the pc's out there

anyway...SIGN UP TO THE AMIGA TEAM NOW AND MAKE AMIGA FAMOUS AGAIN

cheerios

ps:for you pre release guys use OGR only since rc5 is rather slow imho, atleast if you want to beat the hell out of u know who..


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Vader 
Re: AltiVec-enabled distributed.net Client released
Posted on 1-Sep-2004 18:14:45
#38 ]
Regular Member
Joined: 18-Sep-2003
Posts: 195
From: UK

@L8-X

and for comparison,

RC5-72: 8,465,892 keys/sec
OGR-P2: 19,070,470 nodes/sec

on my A1XE G4@800Mhz

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Bodie 
Re: AltiVec-enabled distributed.net Client released
Posted on 2-Sep-2004 4:13:59
#39 ]
Super Member
Joined: 9-Jan-2003
Posts: 1439
From: Azjol-Nerub

@Vadar

For comparison:

http://mitglied.lycos.de/ursmed/bench/bench-ogr-p2.htm
http://mitglied.lycos.de/ursmed/bench/bench-rc5-72.htm

Your figures seem quite favourable .

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Hammer 
Re: AltiVec-enabled distributed.net Client released
Posted on 2-Sep-2004 6:23:34
#40 ]
Elite Member
Joined: 9-Mar-2003
Posts: 5246
From: Australia

Quote:
Comparing different design of CPUs on the MHz (clock) is like comparing top-speed of cars from the horse power. When it comes to CPUs, people seem to think, that a bus would run faster than a sports-car, because the bus has more horse power. PCs are like the bus, an A1 is like a sports-car.

Note that MPUs such as Sparc and Alpha based systems also do poorly with RC5 algorithms.

Certain used instructions (e.g. barrel shift, vector rotate) in RC5 package are being emulated/translated by micro-code engine or being done with scalar units (i.e. missing equivalent SIMD instructions**) in X86 MPUs.

**Not being frequently use in X86 mainstream applications and games?


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