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User profile Profile NullCoding*
Photographer, multi-instrumentalist, and computer nerd to boot.

7 instruments and about as many computers in my house/bedroom...I want...

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Challenge results
First, wow and thanks everyone who participated! A special thanks to the Polish National Team for their work on the OpenCL app version for ATI cards.

The server held up nicely and as far as work hand out and return the only glitches that were raised relate to ATI cards having trouble receiving work and the massive bandwidth demands for the uploads.

Statistics are now final in the data for the team and user stats on the project home page. You will note that the timestamp on it is 10 mins after the end of the challenge but after comparing the team data from 16:05:03 to 16:10:03 there we no changes. There were some changes in points from 16:00:03 to 16:05:03 and this is because we counted all work by the reported time and not all the validation on the server side completed until the 16:05:03 update. These few changes are 10947.5 points for the Polish National Team, 3124.5 points for the SETI@klamm.de, 7823 points for Ars Technica, and 10947.5 points for TaiwainROC. Additionally, we have an archive of most of the statistics from the challenge available for public visibility, scrutiny, historical data, etc. via this archive.

From the start it looked like the Polish National Team was really putting some massive computation power to work and it began to look like Sicituradastra. was to be held at the number two rank. In the end Sicituradastra. did manage to finish in the top spot with a lead of approximately 353 (GPU) WUs in total where each team completed approximately 22000 WUs if just looking at credit of GPU WUs against the total.

On the user side [GPU Force] Robert 7NBI and STE\/E put out insane crunching efforts! They finished first and second.

The battles within various ranks of team and user are much more than just those at the top but equally interesting and best told by all those who wish to do so here. Congratulations to everyone!

The server saw some 40% increase in computational power from clients during the 3 day build up to the challenge and during the challenge. Initially it was only about a 12% increase towards the start.

Our biggest glitches related to getting boincstats.com data working correctly and some rather strange data for the last hour stats on our part. Then, of course no countdown clock, a wrong clock, etc.

Everyone wants to know if there will be another challenge and given how well this one seemed to go the answer is YES! No, we do not have a date or time yet. For now there is lots of work to do besides planning another challenge :)
10 Apr 2012 | 17:17:19 UTC · Comment


First ever project challenge
I am pleased to announce that we will be hosting our first project challenge!

Rainbow Resurrection: 2012-04-07 16:00:00 GMT - 2012-04-10 16:00:00 GMT

This 72 hour challenge will feature Primegrid style user and team statistics and only work handed out after the start time and returned before the completion time will be counted. In addition all WUs that are part of the challenge will receive 1.25x the credit that is received ordinarily.

The reason for this challenge is two fold:
1) The new hardware has been performing excellently and is averaging less than 20% utilization
2) An ATI/OpenCL app version is in early alpha stages and this challenge will be helpful in seeing if we can handle full 24/7 CPU+GPU where ATI will be added in the future.
31 Mar 2012 | 2:20:24 UTC · Comment


New server status 2012-03-17
We are fully moved to the new machine that was racked yesterday.

Update: the issues below are believed to be resolved for all new WU handout.

There are some known issues including:

1) some GPUs get no work (including my GPU)
2) some GPU WUs get incorrect credits for the work
3) some CPU WUs are monsters

The problem of very long tasks on the CPU I think are all GPU tasks going on to the cpu by mistake. Right now all the GPU tasks will be algorithm md5 (and later ntlm again) and the CPU tasks are mysqlsha1. That dynamic won't change for at least another 2 months. Also, the important thing in the tasks will be the chain length:
mysqlsha1_loweralpha#1-10_0_40000
md5_mixalpha-numeric#1-9_0_755000

https://www.freerainbowtables.com/en/tableprogress/

That's 40k chain length and 755k chain length. I think the longest chain length we've ever done on the CPU side is 60k. Our GPU work I believe has been 200k+ once we could no longer have the GPUs do the shorter CPU intended chain lengths without 100% crushing the server.
17 Mar 2012 | 20:22:17 UTC · Comment


2012-03-12 status
New WUs coming next weekend.

full details
12 Mar 2012 | 4:09:21 UTC · Comment


new status post and server 7.0.7
The server version has been updated and a longer status post maybe found in this post 13 Feb 2012 | 3:31:31 UTC · Comment


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