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  • World Community Grid News: A productive summer for the Clean Energy Project
    23.10.2014 14:17 Uhr
    The Clean Energy Project team has an end-of-summer update for all the World Community Grid volunteers. Several changes to the database and work units were put in place over the summer. The team sends a big thank-you to the volunteers who make this work possible, as well as to the lab’s summer students and the departing CEP web developer.
  • SAT@home: Competition 'SAT@home. Three years with the project.'
    23.10.2014 06:06 Uhr
    Competition SAT@home. Three years with the project. will be held from November 3 2014 to November 10 2014.

    Соревнование SAT@home. Три года с проектом. будет проведено с 3 по 10 ноября 2014 года.
  • yoyo@home: Bitcoin Donations
    22.10.2014 22:00 Uhr
    You can send donations now also via Bitcoin to our Bitcoin address. Infos on our donation page.
  • World Community Grid News: Decade of discovery: doubling carbon-based solar cell efficiency
    22.10.2014 20:41 Uhr
    To mark our 10th anniversary, we’re looking at key scientific discoveries of the last decade. This week, we’re driving the search for organic solar cells through The Clean Energy Project in partnership with Harvard University. So far, we’ve helped researchers identify over 35,000 compounds with the potential to double carbon-based solar cell efficiency. With your help, we can explore thousands more.
  • World Community Grid News: Get competitive for good with our 10th anniversary challenge
    22.10.2014 18:40 Uhr
    As we celebrate a decade of discovery, we’re inviting you to take part in a community-wide competition to introduce new volunteers to World Community Grid.
  • PrimeGrid: PPS MEGA Prime Found!
    19.10.2014 18:00 Uhr
    On 23 September 2014, 17:30:36 UTC, PrimeGrid’s Mega Prime Search found the Mega Prime: 179*2^3371145+1 The prime is 1,014,819 digits long and enters Chris Caldwell’s The Largest Known Primes Database ranked 105th overall. The discovery was made by John Christy of the United States using an Intel(R) Xeon(R) CPU E31220 @ 3.10GHz with 8GB RAM running Linux. This computer took about 1 hour 27 minutes to complete the primality test using LLR. John is a member of the USA team. The prime was verified on 23 September 2014, 21:47:43 UTC, by Patrick Martin (ptube974) of the United States using an Intel(R) Core(TM) i7-4770K CPU @ 3.50GHz with 8 GB RAM running Linux. This computer took about 4 hours and 22 minutes to complete the primality test using LLR. Patrick is a member of the Overclock.net team. The prime was reported to The Largest Known Primes Database by Patrick following a period of non-reporting by the discoverer . For more details, please see the official announcement.
  • WEP-M+2 Project: 12-digit factor of P2203 has now been found by the project…
    19.10.2014 10:53 Uhr
    …56186 times
  • Wildlife@Home: deleted spammers
    18.10.2014 01:00 Uhr
    To deal with the spam accounts, I went through and deleted every account with 0 credit, no wildlife@home activity, no team, and no attached computers. This ended up being a whopping 72599 spam accounts. I apologize if I deleted your account and you’re not a spammer, but due to the massive amount of accounts I had no choice but to bring a sledgehammer to the problem. I did do a database back up, so if I wrongly deleted your account and you want it restored you can either send me an email and I’ll restore it (or just make a new one since you had no credit or activity anyways).

    On a positive note, it looks like the measures I took yesterday has stopped the flood of spam accounts, so hopefully we’re in the clear for awhile!
  • Wildlife@Home: [dna] started another new run 'test_hg19_1000fa_2'
    17.10.2014 23:45 Uhr
    The problem with the work unit info should be fixed for this largest sized run as well. Let me know how it’s crunching.
  • Wildlife@Home: [dna] badge size fixed
    17.10.2014 20:13 Uhr
    The DNA badges were size 512×512 and being downsized to 28×28 on the webpages. I’ve fixed this so now that they’re 32×32 pixels.
  • Wildlife@Home: [wildlife] updated watch and review video pages to bootstrap 3
    17.10.2014 16:26 Uhr
    Took some time but it looks like everything is bootstrap 3 now! Have one tweak to make with the CSS, but other than that it should be working.
  • Wildlife@Home: taking down the old websites/forums
    17.10.2014 15:17 Uhr
    Due to all the spam accounts being created/etc, I’m going to take down the old project websites for wildlife@home, dna@home and subsetsum@home (so basically everything will be here on citizen science grid), so the old forums are going to go away. I plan to do this by the end of the weekend. I’ll be keeping the old databases (so account linking will still be possible), but I really want to get the web pages and accounts cleaned up due to the mass of spam in recent weeks/days. After I’m done the old webpages will redirect to the citizen science grid home page. Let me know if there’s any issue with this.
  • Wildlife@Home: [dna] new run, cancelled erroring ones
    17.10.2014 14:51 Uhr
    I started a new run ‘test_hg19_100fa_2′, and removed all the work units and tasks for ‘test_hg19_100fa_1′ and ‘test_hg19_1000fa_1′ because they were all erring out. Let me know if this new run is working.
  • Wildlife@Home: spam accounts
    17.10.2014 01:42 Uhr
    I’ve also added a custom math challenge to the account creation page, as seems have appeared to have gotten worse since I enabled ReCaptcha (13000 new accounts in the last day?!?). I’m hoping this fixes it. I’m still working on the script to go through and delete these junk accounts.
  • Wildlife@Home: [dna] two more runs
    17.10.2014 01:21 Uhr
    I’ve added two more runs for DNA@Home: test_hg19_100fa_1 and test_hg19_1000fa_1, these should take approx 10x and 100x longer than test_hg19_10fa_1. Let me know how they’re working!
  • PrimeGrid: Another TRP Prime!
    17.10.2014 00:45 Uhr
    On 4 October 2014, 22:32:24 UTC, PrimeGrid’s The Riesel Problem project eliminated k=502573 by finding the mega prime: 502573*2^7181987-1 The prime is 2,162,000 digits long and enters Chris Caldwell’s The Largest Known Primes Database ranked 20th overall. This is the largest prime found in The Riesel Problem and PrimeGrid’s 14th elimination. 50 k’s now remain. The discovery was made by Denis Iakovlev (Goliaf-RS) of Russia using an Intel(R) Core(TM) i5-4570 CPU @ 3.20GHz with 8 GB RAM running Windows 7 Professional. This computer took about 19 hours and 40 minutes to complete the primality test using LLR. Denis is a member of the Russia Team. The prime was verified on 5 October 2014, 11:48:03 UTC, by Russell Mathers (Russ) of the United Kingdom using an Intel(R) Core(TM) i7-3960X CPU @ 3.30GHz with 16 GB RAM running Microsoft Windows 7 Professional. This computer took about 18 hours and 46 minutes to complete the primality test using LLR. For more details, please see the official announcement.
  • NFS@Home: Planned outage
    16.10.2014 23:13 Uhr
    The NFS@Home project will be offline for part of this weekend due to a planned data center outage. Everything should be back online Sunday.
  • Wildlife@Home: deleting spam accounts
    16.10.2014 19:06 Uhr
    Given the massive amount of spam accounts created recently, I need to write some scripts to go through and delete those spam accounts. It would be impossible to go through by hand and delete thousands of these.

    Right now my plan is to delete accounts with no attached computers, no credit (on CSG or any subproject), and no activity at wildlife@home. Anyone see any flaws in this, or anything I should change?
  • Wildlife@Home: dealing with spam profiles
    16.10.2014 16:33 Uhr
    I’ve added ReCAPTCHA to account creation on the site, so I’m hoping that this will stop a lot of the spam profile creation. I’m going to go through and try to clean up the mass of recent spam accounts that have been made.
  • Wildlife@Home: new test runs/more work units
    16.10.2014 15:44 Uhr
    We have some more data sets to analyze to test things here, and I’ve started up a run with one of them ‘test_hg19_10fa_1′. These should run a lot quicker than the previous batch of work units, but I wanted to check if my custom checkpointing frequency code is working (so they’re not checkpointing every second). If these are working I’ll add some other longer running runs.
  • World Community Grid News: Project Launch: Uncovering Genome Mysteries
    16.10.2014 10:46 Uhr
    To kick off World Community Grid’s 10th anniversary celebrations, we’re launching Uncovering Genome Mysteries to compare hundreds of millions of genes from many organisms that have never been studied before, helping scientists unearth some of the hidden superpowers of the natural world.
  • GPUGRID: GPUGRID statistics graphs
    16.10.2014 01:17 Uhr
    Following up on the announcement to discontinue support for old hardware and the oldest application, here are two graphs showing the normalised throughput of GPUGRID broken down by compute capability and application version. http://www.gpugrid.net/graphs/ The legends are messed up for some reason – the first graph is cc, {1.3, 2.0, 2.1, 3.0, 3.5, 5.0, 5.2 }, the second app version {42, 60, 65} These will update daily. Matt
  • The Lattice Project: GARLI 2.1 released
    15.10.2014 17:48 Uhr
    I have just released GARLI 2.1 for five platforms (32 and 64 bit Linux, 32 and 64 bit Windows, 64 bit OS X), and have deprecated the 32 bit OS X app version. This version should improve data set load times for large analyses, and may include other improvements that you would notice. Please post if you encounter any problems running the new version.
  • MilkyWay@Home: Server Reboot and Maintenance
    15.10.2014 12:55 Uhr
    Hey everyone,

    We will be doing a quick server reboot and some updating today. If you notice any issues please post them here.

    Jake W.
  • SIXTRACK: 17:00 CET, 15th October, Service back to "normal".
    14.10.2014 15:47 Uhr
    I believe we have finally resolved various issues as of about 16:00 today. Apologies for the downtime. Eric.
  • climateprediction.net: New publication about extreme summer rainfall in England and Wales
    14.10.2014 14:38 Uhr

    A new publication by our Science Coordinator, Dr Friederike Otto, has been published in Climatic Change about our recent research into extreme summer rainfall events in England and Wales as an example for probabilistic event attribution.

    In the summer of 2007 England and Wales experienced very heavy flooding. Summer precipitation and subsequently flooding are harder to model than winter or autumn rainfall and this recent publication highlights this again. We look at different possible drivers of high precipitation in summer and do not find a conclusive signal apart for the July precipitation which might have been exacerbated due to anthropogenic forcing. However, the focus of the paper is not so much the attribution of the extreme precipitation to external climate drivers but the quantification of the uncertainties involved in such a study. The paper is part of a special issue dedicated to exactly these issues which will soon be published in full.

    Read the full article, which is open source, here.

  • PrimeGrid: TRP Mega Prime!
    14.10.2014 11:31 Uhr
    On 2 October 2014, 3:02:44 UTC, PrimeGrid’s The Riesel Problem project eliminated k=402539 by finding the mega prime: 402539*2^7173024-1 The prime is 2,159,301 digits long and enters Chris Caldwell’s The Largest Known Primes Database ranked 20th overall. This is the largest prime found in The Riesel Problem and PrimeGrid’s 13th elimination. 51 k’s now remain. The discovery was made by Walter Darimont (Walter Darimont) of Belgium using an Intel(R) Core(TM) i7-3770 CPU @ 3.40GHz with 4 GB RAM running Linux. This computer took about 11 hours and 10 minutes to complete the primality test using LLR. Walter is a member of the Aggie the Pew Team. The prime was verified on 2 October 2014, 9:51:42 UTC, by Tom Greer (tng*) of the United States using an Intel(R) Xeon(R) CPU E5520 @ 2.27GHz with 24 GB RAM running Microsoft Windows 7 Professional. This computer took about 25 hours and 35 minutes to complete the primality test using LLR. Tom is a member of the Sicituradastra. Team. For more details, please see the official announcement.
  • SAT@home: Version 2.02 of pdsat_crypto released
    14.10.2014 06:12 Uhr
    Выпущено приложение pdsat_crypto версии 2.02. Ускорен процесс решения на задачах криптоанализа Bivium примерно на 15 %.

    Version 2.02 of the application pdsat_crypto released. Performance on Bivium problem was increased by about 15%.
  • climateprediction.net: Live stream: IPCC AR5: Three numbers that matter, and numbers that matter less than you think
    13.10.2014 12:46 Uhr

    A talk by Professor Myles Allen, Tuesday 14 October, 9 am BST

    Watch it live. Tweet using #ecilive

    What the IPCC 5th Assessment Report has to say to the negotiators in Paris 2015

    “This lecture provides an overview of the climate change issue, highlighting what are, in my view, the most important findings of the latest IPCC report and their implications for climate negotiations under the United Nations Framework Convention on Climate Change (UNFCCC). We will focus on three numbers that matter a lot, and mention along the way some other numbers that matter rather less than you might think.

    The first important number is 95%, the level of confidence the climate science community now has that human influence is the dominant cause of the warming observed over the past 60 years. I will explain where this number comes from, with a quick (and colourful) introduction to the methods used for “detection and attribution” in the IPCC Working Group I report, and explain why the apparent “pause” in ocean surface warming over the past decade or so doesn’t really change the big picture.

    The second important number is 40.3 degrees C (105 degrees F), the national average temperature high over Australia on January 7th, 2013. While bad enough for Australia, the significance of that “Angry Summer” for the rest of the world is as an example of the kind of damaging weather event that, subsequent studies have shown, was made substantially more probable by human influence on climate. With the IPCC Working Group II finding that the impacts of climate change on human and natural systems are now evident on all continents and across the oceans, understanding the links between climate change and harmful weather events is becoming important for the UNFCCC’s new “Loss and Damage” agenda, and a key focus of Oxford’s climateprediction.net/weatherathome project.

    The third number is the big one: one trillion tonnes. That is the total amount of fossil carbon that the IPCC estimates can be dumped into the atmosphere over the entire Anthropocene epoch while keeping the resulting warming to likely less than two degrees Celcius. Over half a trillion tonnes has already been emitted, and accounting for warming due to other forms of pollution cuts down the remaining “carbon budget” further still. This puts the mitigation challenge into perspective, and helps explain why the IPCC Working Group III report found such a pivotal role for carbon capture and storage in scenarios that have some chance of meeting the two degree goal.

    What are the numbers that matter less than you might think? One of them, although much tweeted, is “97% of scientists agree…” I’ll explain how this kind of opinion poll isn’t really relevant to how science, or the IPCC, actually works. Another over-rated number is the Equilibrium Climate Sensitivity (the subject of earlier climateprediction.net experiments), which turns out to matter much less than people thought. Finally, if you are hoping for a purely scientific argument that two degrees is the threshold for dangerous anthropogenic interference in the climate system, you will be disappointed: the IPCC reports make it clear that the assessment of what is dangerous has an ethical and moral dimension and cannot be resolved by any purely technical assessment.”

     

  • PrimeGrid: SR5 Mega Prime!
    12.10.2014 20:51 Uhr
    On 21 September 2014, 18:43:31 UTC, PrimeGrid’s Sierpinski/Riesel Base 5 Problem project eliminated k=325918 by finding the mega prime: 325918*5^1803339-1 The prime is 1,260,486 digits long and enters Chris Caldwell’s The Largest Known Primes Database ranked 58th overall. This is the largest known base 5 mega prime. 79 k’s now remain in the Riesel Base 5 Problem. The discovery was made by Jörg Meili (meilijo) of Switzerland using an Intel(R) Core(TM) i7-3770K CPU @ 3.50GHz with 8GB RAM running Microsoft Windows 7 Home Premium. This computer took about 20 hours and 51 minutes to complete the primality test using LLR. Jörg is a member of the Aggie the Pew team. The prime was verified on 1 October 2014, 12:57:59 UTC by Yegor Ryabchikov (Yegor001) of Russia using an Intel(R) Core(TM) i5 CPU 760 @ 2.80GHz with 2GB RAM running Microsoft Windows 7 Home Basic. This computer took about 133 hours 16 minutes to complete the primality test using LLR. For more details, please see the official announcement.

Autor: crille
Datum: Samstag, 7. Mai 2011 11:11
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