Special thanks for AK V8 application


log in

Advanced search

Message boards : Number crunching : Special thanks for AK V8 application

Previous · 1 · 2 · 3 · 4 · Next
Author Message
Profile MarkJ
Volunteer tester
Avatar
Send message
Joined: 17 Feb 08
Posts: 936
Credit: 19,434,276
RAC: 7,273
Australia
Message 746902 - Posted: 2 May 2008, 10:59:06 UTC

I too will add my voice to the chorus of Thank You's

Thank you guys for all your hard work.

Now how do we get Alex to look at optimizing some of the other BOINC projects like Einstein? :-)
____________
BOINC blog

Spear
Volunteer tester
Send message
Joined: 15 Nov 01
Posts: 49
Credit: 6,301,416
RAC: 0
Ireland
Message 746905 - Posted: 2 May 2008, 11:11:35 UTC - in response to Message 746899.


Correct, they do. I have a couple P4 laptops, Toshiba 2435-s255, that I cant seem to find the information on.

Also, both the Athlon and Phenom, are running Vista. Is Vista supported? I could only find mention of earlier Windows versions.


Use something like CPU-Z to check the older CPU's where it's less certain. And there are x64 version of the V8 app and I'm running them on Vista x64 and Xp64.

____________

derFunkenstein
Send message
Joined: 26 Apr 02
Posts: 25
Credit: 1,314,593
RAC: 0
United States
Message 746965 - Posted: 2 May 2008, 14:29:33 UTC

yes, thanks to all for a great new worker - the SETI project will really benefit!
____________

zoom314
Avatar
Send message
Joined: 30 Nov 03
Posts: 45742
Credit: 36,378,895
RAC: 8,360
Message 746996 - Posted: 2 May 2008, 15:46:30 UTC - in response to Message 746902.

I too will add my voice to the chorus of Thank yous

Thank you guys for all your hard work.

Now how do we get Alex to look at optimizing some of the other BOINC projects like Einstein? :-)

Last I looked unless Einstein is open source, He can't, It would be nice though.
____________

Sniper
Avatar
Send message
Joined: 9 Jul 99
Posts: 310
Credit: 2,829,774
RAC: 2
United States
Message 747045 - Posted: 2 May 2008, 17:44:36 UTC

WoW!!! My Triple-Core Phenom is processing nearly TWICE as fast. (Will this make ET only half as far away?) :)
____________

zoom314
Avatar
Send message
Joined: 30 Nov 03
Posts: 45742
Credit: 36,378,895
RAC: 8,360
Message 747063 - Posted: 2 May 2008, 18:17:43 UTC - in response to Message 747045.

WoW!!! My Triple-Core Phenom is processing nearly TWICE as fast. (Will this make ET only half as far away?) :)

I doubt It, Space is vast and ET could be anywhere in space.
____________

Profile Andy Worth
Volunteer tester
Avatar
Send message
Joined: 23 Oct 02
Posts: 5807
Credit: 10,408,581
RAC: 3
United Kingdom
Message 747083 - Posted: 2 May 2008, 19:06:24 UTC

Just wanted to post my "thanks" to all involved too. Tremendous improvement in crunch times seen here and no other apparent issues.
____________


Profile John Clark
Volunteer tester
Avatar
Send message
Joined: 29 Sep 99
Posts: 16515
Credit: 4,418,829
RAC: 0
United Kingdom
Message 747121 - Posted: 2 May 2008, 20:01:49 UTC - in response to Message 747083.

Just wanted to post my "thanks" to all involved too. Tremendous improvement in crunch times seen here and no other apparent issues.


I want to echo Andy's thanks to the port team and to Alex for the code.
____________
It's good to be back amongst friends and colleagues



Profile the silver surfer
Avatar
Send message
Joined: 24 Feb 01
Posts: 131
Credit: 3,734,972
RAC: 0
Austria
Message 747128 - Posted: 2 May 2008, 20:15:24 UTC - in response to Message 746595.

A big " THANK YOU " to all the people involved in the porting !!!

Kurt




Just wait a few days, Your RAC will or maybe already is gonna surprise You, Mine sure enough has, It's going up and I'm not sure where It'll stop. :D I've shaved on average of about 32 minutes per WU from 2.4V, AK_V8 ROCKS! Now we're cookin, Pedal to the metal guys. ;) :D

I, for one, have had nothing but mid AR units (between 0.4 and 0.5) since the new App was released. This band is where the new Apps have greatest impact (not accidentally as I understand it). As and when we get some VLAR or VHAR WU's, the improvement, while still very impressive, is not quite so mind-blowing.

Don't expect the gravy train to keep going full tilt :)

F.


@ Joker
@ Fred

The new app works like a charm ! Unfortunately I`m only feeding my PENDING cache
at the moment - Therefore my RAC is on the same level as usual, although I spend
about 1/3 time less for each wu. But that`s no big deal, I`ll sit it out !

Happy crunchin`
Kurt


____________

Profile [KWSN]John Galt 007
Volunteer tester
Avatar
Send message
Joined: 9 Nov 99
Posts: 2441
Credit: 18,348,501
RAC: 65
United States
Message 747142 - Posted: 2 May 2008, 20:57:05 UTC - in response to Message 747128.

A big " THANK YOU " to all the people involved in the porting !!!

Kurt




Just wait a few days, Your RAC will or maybe already is gonna surprise You, Mine sure enough has, It's going up and I'm not sure where It'll stop. :D I've shaved on average of about 32 minutes per WU from 2.4V, AK_V8 ROCKS! Now we're cookin, Pedal to the metal guys. ;) :D

I, for one, have had nothing but mid AR units (between 0.4 and 0.5) since the new App was released. This band is where the new Apps have greatest impact (not accidentally as I understand it). As and when we get some VLAR or VHAR WU's, the improvement, while still very impressive, is not quite so mind-blowing.

Don't expect the gravy train to keep going full tilt :)

F.


@ Joker
@ Fred

The new app works like a charm ! Unfortunately I`m only feeding my PENDING cache
at the moment - Therefore my RAC is on the same level as usual, although I spend
about 1/3 time less for each wu. But that`s no big deal, I`ll sit it out !

Happy crunchin`
Kurt



Pending??? I blew my cache down to .5 days before the switch to V8 and my pendings dropped to 32k. Right now I sit at 60k in pendings, and RAC has increased slightly.
____________
Clk2HlpSetiCty:::PayIt4ward

Profile Carlos
Volunteer tester
Avatar
Send message
Joined: 9 Jun 99
Posts: 10141
Credit: 25,751,884
RAC: 2,936
United States
Message 747174 - Posted: 2 May 2008, 22:09:05 UTC

THANK YOU. Just installed it last night. My cruch time were about 1:20 per wu. Now they are getting done in about 55 mins. Well done guys.
____________

Sniper
Avatar
Send message
Joined: 9 Jul 99
Posts: 310
Credit: 2,829,774
RAC: 2
United States
Message 747325 - Posted: 3 May 2008, 5:02:07 UTC

My crunch times for 74 point work units went from over 14k seconds, down to 6.6k seconds.

Way to go with that app optimization!!!!!!!!
____________

Profile Mr. Majestic
Volunteer tester
Avatar
Send message
Joined: 26 Nov 07
Posts: 4752
Credit: 258,845
RAC: 0
United States
Message 747326 - Posted: 3 May 2008, 5:03:33 UTC

I would like to say a big thank you to those who tirelessly ported and optimized this new app. I just installed it and I love it!
____________

Profile Misfit
Volunteer tester
Avatar
Send message
Joined: 21 Jun 01
Posts: 21790
Credit: 2,510,901
RAC: 0
United States
Message 747358 - Posted: 3 May 2008, 6:50:50 UTC

archae86
Send message
Joined: 31 Aug 99
Posts: 886
Credit: 1,572,037
RAC: 0
United States
Message 747454 - Posted: 3 May 2008, 13:19:03 UTC - in response to Message 746685.

Fred W said:

From the charts I published I was quite confident that the SSSE3x and SSE4.1 Apps were much faster than the SSE3. I have run through over 100 WU's using the SSE4.1 on my Q9450 since yesterday (all in the same AR band) and it looks like there are still a lot in the same AR band coming next, so I have just swapped to the SSSE3x App to do a direct comparison.

I can provide additional support for your confidence from a small experiment on two Conroe-class systems.

I tried downgrading my Q6600 and E6600 from the SSSE3x to the SSE3 ap versions overnight.

By chance the Q6600 has caught a number of VLAR work units at exactly .008341 Angle Range (on the low end of VLAR). The advantage of the SSSE3x version is clear and substantial.

SSE3 5 results, average 4798 CPU seconds
SSSE3x 17 results, average 4094 CPU seconds

The distribution of individuals is very clearly different, not even close to overlapping at this sample size.

On the same host, I happen to have caught a single exact Angle Range in mid-AR also, .408612. Here the advantage of SSSE3x was much smaller:

SSE3 5 results, average 3248 CPU seconds
SSSE3x 11 results, average 3100 CPU seconds

The distribution of individuals here is not nearly so impressive as at VLAR, with plenty of overlap, and room for doubt on the large-sample result.

In case it matters, this Q6600 is running 25% SETI, with the rest being the current Beta Einstein Windows ap.

My E6600 caught smaller comparisons of the same populations, with very similar results (large, unambiguous SSSE3x advantage at VLAR, much smaller, possibly questionable advantage a mid-AR, no results for SSE3 at VHAR on either host). As it also runs 25% SETI, all these ran with a current Windows Beta Einstein on the other core.

I'm convinced enough of the SSSE3x advantage on these hosts to switch back, so won't be producing more data on this point.

If I understood Jason's comment about stride reduction and memory conflict correctly (for the tweaks bearing the Xeon label), it is likely that were the Q6600 running four SETI's rather than one SETI and three Einsteins that the SSSE3x advantage would be yet larger.



____________

Profile jason_gee
Volunteer developer
Volunteer tester
Avatar
Send message
Joined: 24 Nov 06
Posts: 4920
Credit: 72,608,865
RAC: 1,675
Australia
Message 747455 - Posted: 3 May 2008, 13:29:50 UTC - in response to Message 747358.
Last modified: 3 May 2008, 13:41:22 UTC


caw.... thanks Grace :D *blushes*


(Just an Old Fashioned Kindof Guy)
____________
"It is not the strongest of the species that survives, nor the most intelligent that survives. It is the one that is the most adaptable to change."
Charles Darwin

Profile [B^S] madmac
Volunteer tester
Avatar
Send message
Joined: 9 Feb 04
Posts: 1137
Credit: 3,488,742
RAC: 4,141
United Kingdom
Message 747499 - Posted: 3 May 2008, 15:45:01 UTC

I have installed it did I install the right one as it says Core 2 and I only have one cpu
____________

msattler
Volunteer tester
Avatar
Send message
Joined: 9 Jul 00
Posts: 38153
Credit: 555,679,670
RAC: 594,065
United States
Message 747509 - Posted: 3 May 2008, 16:05:46 UTC - in response to Message 747499.

I have installed it did I install the right one as it says Core 2 and I only have one cpu

You have the right app........
And judging from the last result you returned, your crunch time has dropped almost in half......very nice.
____________
*********************************************
Embrace your inner kitty...ya know ya wanna!

I have met a few friends in my life.
Most were cats.

Profile jason_gee
Volunteer developer
Volunteer tester
Avatar
Send message
Joined: 24 Nov 06
Posts: 4920
Credit: 72,608,865
RAC: 1,675
Australia
Message 747517 - Posted: 3 May 2008, 16:28:14 UTC - in response to Message 747499.
Last modified: 3 May 2008, 16:31:17 UTC

I have installed it did I install the right one as it says Core 2 and I only have one cpu


Yep, to explain that peculiarity with a piece of nonsensical technical gibberish:

The AMD/INTEL SSE3 build, actually uses "generic" core2 optimisation compiler flags ( /QxO ) and whatever the code runs on, it was still hand optimised by Alex for Core2 type machines ... So there you go, you're running a core2 optimised app on a p4 as it says ;D

(It's the "generic" bit that limits it to SSE3 & let's it run on AMDs too)

Jason
____________
"It is not the strongest of the species that survives, nor the most intelligent that survives. It is the one that is the most adaptable to change."
Charles Darwin

Profile KWSN Checklist
Avatar
Send message
Joined: 4 Jan 08
Posts: 46
Credit: 3,282,541
RAC: 0
United States
Message 748007 - Posted: 4 May 2008, 15:32:25 UTC

Thanks to all for making SETI@home a Greener project. IMHO, the best benefit.

Previous · 1 · 2 · 3 · 4 · Next

Message boards : Number crunching : Special thanks for AK V8 application

Copyright © 2014 University of California