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Software News   Software News : AltiVec-enabled distributed.net Client released
   posted by Futaura on 31-Aug-2004 18:16:04 (6635 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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FuZion 
Re: AltiVec-enabled distributed.net Client released
Posted on 31-Aug-2004 18:56:33
#1 ]
Super Member
Joined: 22-Nov-2003
Posts: 1962
From: Birmingham, England

This all looks very nice... But what is it?

Please don't say, read the site

I've seen loads of people say we want "AltiVec" bu I've never know what it is. I didn't seem to need it so I never got into what it was.

Again, nice to see some news that everyone wants again.

Keep em comin, FuZion.

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BrianK 
Re: AltiVec-enabled distributed.net Client released
Posted on 31-Aug-2004 19:07:33
#2 ]
Elite Member
Joined: 30-Sep-2003
Posts: 8111
From: Minneapolis, MN, USA

Quote:

I've seen loads of people say we want "AltiVec" bu I've never know what it is.


AltiVec are high performance extensions to the PowerPC core. Apple calls it 'Velocity Engine'. IBM calls is 'VMX'. Motorola/Freescale call it 'Altivec'. Architecturally, AltiVec adds 128-bit-wide vector execution units. G4 400 is ~ 90 MegaFlops in processing power. Using Altivec it acheives about 340 MegaFlops. Most people like the idea of getting a 3 fold improvement on parts of their processing needs.

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ikir 
Re: AltiVec-enabled distributed.net Client released
Posted on 31-Aug-2004 19:40:27
#3 ]
Elite Member
Joined: 18-Dec-2002
Posts: 5646
From: Italy

A lot of AmigaOne users on the team! I'll join soon.


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FuZion 
Re: AltiVec-enabled distributed.net Client released
Posted on 31-Aug-2004 19:56:34
#4 ]
Super Member
Joined: 22-Nov-2003
Posts: 1962
From: Birmingham, England

Quote:
AltiVec are high performance extensions to the PowerPC core. Apple calls it 'Velocity Engine'. IBM calls is 'VMX'. Motorola/Freescale call it 'Altivec'. Architecturally, AltiVec adds 128-bit-wide vector execution units. G4 400 is ~ 90 MegaFlops in processing power. Using Altivec it acheives about 340 MegaFlops. Most people like the idea of getting a 3 fold improvement on parts of their processing needs.


Nice explanation. Cheers BrianK.

Er... I'd like to order an AltiVec please. Yes, to go.

Thanks, FuZion.

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DWolfman 
Re: AltiVec-enabled distributed.net Client released
Posted on 31-Aug-2004 19:57:44
#5 ]
Super Member
Joined: 18-Jun-2003
Posts: 1442
From: Kansas City, MO USA

Hmm, a lot of good this does without the said kernel version.

So, any word on the update?

I know,

I looked and didn't see any mention if this could be run on the older kernel? I'd go ahead and replace the one I have now if it would automatically revert to the scalar cores when the newer kernel is not available.


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Toaks 
Re: AltiVec-enabled distributed.net Client released
Posted on 31-Aug-2004 20:09:19
#6 ]
Elite Member
Joined: 10-Mar-2003
Posts: 8042
From: amigaguru.com

yeah, not much point in posting this as news since only BETA TESTERS have the kernel it needs etc.

anyway i can tell that "its ALOT faster" than older versions using non altivec


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Toaks 
Re: AltiVec-enabled distributed.net Client released
Posted on 31-Aug-2004 20:12:43
#7 ]
Elite Member
Joined: 10-Mar-2003
Posts: 8042
From: amigaguru.com

fuzion: dnetc /rc5-72 etc is a tool to calculate space (yes abit scifi..)

read more about it on the site

ps:it wont use any cpu if u need it, ie mine idles when i have to do something important or whatever, mine even calculates while im playing in FPSE...

and when i sleep or whatever i set dnetc to PRIORITY 9..

cheers


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Vader 
Re: AltiVec-enabled distributed.net Client released
Posted on 31-Aug-2004 20:33:13
#8 ]
Regular Member
Joined: 18-Sep-2003
Posts: 195
From: UK

@DWolfman

Quote:
I looked and didn't see any mention if this could be run on the older kernel? I'd go ahead and replace the one I have now if it would automatically revert to the scalar cores when the newer kernel is not available.


It can be run on the older kernels, yes. It will drop back to the scalar cores in those cases.

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RedMelons 
Re: AltiVec-enabled distributed.net Client released
Posted on 31-Aug-2004 21:12:40
#9 ]
Super Member
Joined: 7-Mar-2003
Posts: 1062
From: Merrie Olde England

@Toaks

"only BETA TESTERS have the kernel it needs"

It's running nicely on my OS4 pre-release now

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tomazkid 
Re: AltiVec-enabled distributed.net Client released
Posted on 31-Aug-2004 21:43:15
#10 ]
Team Member
Joined: 31-Jul-2003
Posts: 11694
From: Kristianstad, Sweden

@RedMelons

Yes, but the Altivec is not used, or is it?


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RedMelons 
Re: AltiVec-enabled distributed.net Client released
Posted on 31-Aug-2004 21:58:24
#11 ]
Super Member
Joined: 7-Mar-2003
Posts: 1062
From: Merrie Olde England

@tomazkid

No. it doesn't use Altivec, but as DWolfman said

"I'd go ahead and replace the one I have now if it would automatically revert to the scalar cores when the newer kernel is not available."

I just thought that I'd mention that it does detect that Altivec is not used, and selects the appropriate core.

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_PAB_ 
Re: AltiVec-enabled distributed.net Client released
Posted on 31-Aug-2004 22:54:37
#12 ]
Regular Member
Joined: 20-Sep-2003
Posts: 189
From: Germany

Sorry, wrong thread...


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The_Editor 
Re: AltiVec-enabled distributed.net Client released
Posted on 31-Aug-2004 23:16:51
#13 ]
Elite Member
Joined: 7-Mar-2003
Posts: 7629
From: 192.168.0.02 ..Pederburgh .. Iceni

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


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Toaks 
Re: AltiVec-enabled distributed.net Client released
Posted on 1-Sep-2004 1:05:27
#14 ]
Elite Member
Joined: 10-Mar-2003
Posts: 8042
From: amigaguru.com

editor: a what?`there is one?...


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DWolfman 
Re: AltiVec-enabled distributed.net Client released
Posted on 1-Sep-2004 5:02:19
#15 ]
Super Member
Joined: 18-Jun-2003
Posts: 1442
From: Kansas City, MO USA

@Vader, etc

OK, I'll go ahead and load it up. At least it will work for now anyway, then I'll get a nice boost in speed once the OS4 update is out.


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The_Editor 
Re: AltiVec-enabled distributed.net Client released
Posted on 1-Sep-2004 5:43:07
#16 ]
Elite Member
Joined: 7-Mar-2003
Posts: 7629
From: 192.168.0.02 ..Pederburgh .. Iceni

yup

check out Ligandfit


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Anonymous 
Re: AltiVec-enabled distributed.net Client released
Posted on 1-Sep-2004 6:11:34
# ]



Okey, noone has asked yet so here it comes:

Anyone with performance numbers on a 800Mhz G3 compared to a 800Mhz G4 with altivec and a 800Mhz G4 without altivec ?

/Björn

 
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Toaks 
Re: AltiVec-enabled distributed.net Client released
Posted on 1-Sep-2004 6:45:28
#18 ]
Elite Member
Joined: 10-Mar-2003
Posts: 8042
From: amigaguru.com

origin: i only have 800 G4 but i can atleast say whats changed..

Without Altivec: Rc5-72 - 3 million
OGR - 8 Million

With Altivec: Rc5-72 9 Million
OGR 19 Million

might be that its even faster, this is just a test from my side anyway.

cheers


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Toaks 
Re: AltiVec-enabled distributed.net Client released
Posted on 1-Sep-2004 6:49:50
#19 ]
Elite Member
Joined: 10-Mar-2003
Posts: 8042
From: amigaguru.com

editor:ever been an amiga version of this thingy?? , sounds interesting and hoc come i never heard of it? new 'ish project?


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bennymee 
Re: AltiVec-enabled distributed.net Client released
Posted on 1-Sep-2004 7:26:46
#20 ]
Cult Member
Joined: 19-Aug-2003
Posts: 595
From: Netherlands

>Poster: Toaks Date: 1-Sep-2004 7:45:28

>origin: i only have 800 G4 but i can atleast say whats changed..

>Without Altivec: Rc5-72 - 3 million
>OGR - 8 Million

Is OGR = OGR-P2 ?

My AmigaONE with prerelease does 14 million nodes / sec without Altivec.



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

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