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  • theSkyNet POGS – the PS1 Optical Galaxy Survey: TheSkyNet turns 3
    17.09.2014 04:28 Uhr
    Heaven’s to Betsy.
  • theSkyNet POGS – the PS1 Optical Galaxy Survey: Pause in Galaxies
    17.09.2014 01:04 Uhr
    I’ve now heard back from the samples department of Eset with the following news:

    "Thank you for your submission. It is a false positive of our scanner and this issue will be fixed in our next signature update."

    Just goes to show that sometimes, actually telling the correct person does work!

    true… and good on Eset for a proper, responsible response.

    _aD – you are exactly right – telling an AV to ignore some files is not smart computing.
  • theSkyNet POGS – the PS1 Optical Galaxy Survey: Wikipedians
    16.09.2014 23:51 Uhr
    WikiPedia is known for having very scrutinious moderators. The world’s foremost expert on polar bears found his edits reversed because of ‘original research’, a deadly sin according to WikiPedia…
  • Potential influences on the United Kingdom’s floods of winter 2013/14
    16.09.2014 15:17 Uhr

    A new paper has been published in Nature Climate Change by scientists including Chris Huntingford, Friederike Otto, Neil Massey, Nathalie Schaller and Myles R. Allen.

    The paper, entitled, “Potential influences on the United Kingdom’s floods of winter 2013/14″ looks at the possible drivers behind the floods last winter, which affected large parts of the UK.

    Dr Chris Huntingford, from the Centre for Ecology & Hydrology and the lead author of the paper, explains:

    In this paper, along with my co-authors, we have tried to provide a summary document that collates and discusses all possible drivers behind the major flood events that affected the UK last winter. It has three themes.

    First, a very brief overview of the large-scale meteorological events leading up to the storms is presented. None of the individual rainfall events was unprecedented, but the weather patterns behind them persisted for three months causing a near-continuous succession of Westerly storms. This had the cumulative effect that for much of the Southern UK, the total winter rainfall was record-breaking. Preliminary analysis suggests that particularly warm ocean conditions and heavy rainfall in and around Indonesia triggered wind patterns across the Pacific that travelled northwards before ultimately drawing cold air down across the USA. This in turn forced a particularly strong and persistent Jet Stream across the Atlantic and towards the UK. The Met Office is now studying this sequence of events in significantly more detail. In our paper, we show how the winter storms affected river flows, and place the events within a historical context.

    chalgrove street Feb 2014 Alle BOINC Projektnews
    Flooding in Oxfordshire, February 2014. Photo: Julia Lawrence

    Second, questions mount as to whether fossil fuel burning could have a role. We have reviewed existing research literature for Earth system factors that may be both changing through global warming, and additionally are identified as influences on storm features for the UK. As expected, this confirms how complex and inter-connected the climate system is. Multiple possible UK rainfall drivers are identified that link to the state of the oceans, the atmosphere and sea-ice extent. Interestingly the recent rapid decrease in Arctic sea-ice that is widely attributed to global warming, for the UK at least is often portrayed as likely to bring more Easterly winds and colder conditions. The previous three winters had these features for some of the time, in marked contrast to winter 2013/14. Although the precise details of linkages between changing large-scale features of the climate system and UK rainfall intensity are still not fully understood, we hope our review article is a complete list of such connections. To apply that frequently used expression, we trust there are no “unknown unknowns” lurking out there we have yet to consider.

    Third, we provide some thoughts on how best to proceed. Assuming that we do have a pretty good idea of all drivers expected to affect rainfall, and that require on-going computer modelling, three challenges are noted. These are: (1) the need for continued enhancement of physical process representation via ever better parameterized differential equations of the oceans, atmosphere and ice sheets, (2) increase further the numerical grid resolution of climate models, on which these equations are calculated and (3) undertake significantly higher numbers of simulations, all with slightly different initial conditions, creating a large ensemble of projections. The call for better resolution is because some characteristics of storms occur on fine spatial detail, thus needing small spacings between gridpoints on which calculations are updated. The request for large ensembles is because extremes, by definition, are rare events, and so we need to ensure that all heavy rainfall “return times” are fully sampled. This is both for pre-industrial and for raised levels of atmospheric greenhouse gases.

    During the major flood events affecting much of Southern England from December 2013 to February 2014, it was inevitable that questions would be asked as to whether fossil burning could have a role. It is always (and correctly) stated that no single observed extreme event can be formally attributed to human-induced changes to atmospheric composition. But a statistic can be derived that assesses any changing probability of a particular extreme event occurring, a quantity sometimes referred to as “Fractional Attributable Risk”. By satisfying the three challenges we listed above, we will get near to stating if humans are increasing, decreasing or leaving invariant the chances of rainfall events of the type witnessed. However, even now limitations remain on computer speed and resource, and expenditure on climate research can only ever be finite. Hence an especially lively debate will now occur as to what constitutes the optimal balance between pursuing these three challenges, in order to get us most quickly towards the required answers.

    Anyone studying meteorological systems, or the full Earth system, soon realizes of course how tightly coupled all features are of the climate system. In this review, by trying to collate in to a single paper the main factors affecting UK rainfall, this did though provide a timely reminder of such comprehensive interconnections. Understanding these further suggests a very interesting time lies ahead for climate change research.

    Chris Huntingford is a climate modeller based at the Centre for Ecology & Hydrology in Wallingford, Oxfordshire.

    This article was originally posted on the CEH website – read the original here.

    Read more about this publication on the CEH website.

  • SIMAP – Similarity Matrix of Proteins: Network outages and service limitations Sep 13/14
    13.09.2014 21:08 Uhr
    The network connections within and to the university of Vienna was broken for 8 hours on Sep 13. Additional network outages may occur on Sep 14. We have therefore stopped the generation of new workunits. The project will return to its full functionality by Monday Sep 15. We are sorry for these unexpected problems. Best regards Thomas
  • Wildlife@Home: traveling this week
    13.09.2014 00:10 Uhr
    Of course while I travel halfway around the world the spammers decide to come out in full force. I’m currently in Ljubljana, Slovenia for the 13th International Conference on Parallel Problem Solving from Nature, which should be really interesting! I’ll be checking up with the webpages and things like that while I’m gone (especially to deal with the stupid spammers), but am not sure how much time I’ll have for application updates as I need my desktop at home to do all the compiling. I’ve made the changes to the DNA@Home code to get the application updated which should fix the validation issues, so when I get back I’m hoping to push out a new application version for that.
  • PrimeGrid: SR5 Mega Prime!
    12.09.2014 18:32 Uhr
    On 17 August 2014, 13:00:59 UTC, PrimeGrid’s Sierpinski/Riesel Base 5 Problem project eliminated k=133778 by finding the mega prime: 133778*5^1785689+1 The prime is 1,248,149 digits long and enters Chris Caldwell’s The Largest Known Primes Database ranked 56th overall. This is the largest known base 5 mega prime. 38 k’s now remain in the Sierpinski Base 5 Problem. The discovery was made by Guo Hua Miao (前朝遗少) of China using an Intel Xeon(R) CPU E5-4617 @ 2.90GHz with 504GB RAM running Linux. This computer took about 27 hours and 9 minutes to complete the primality test using LLR. Guo is a member of the Team China team. For more details, please see the official announcement.
  • Wildlife@Home: [dna] you can cancel the test_hg19_2_… workunits
    09.09.2014 12:06 Uhr
    I’m working on a fix, hopefully the next batch will be fine (I’ll be generating a smaller one so I don’t waste too many of your cycles). Hopefully have them out sometime this evening.
  • Wildlife@Home: new set of work units 'test_hg19_2_…'
    09.09.2014 02:07 Uhr
    I’ve sent out a new batch of work units which should (hopefully) fix the validation problem the other ones were having. Let me know how these are running. Feel free to cancel anything starting with ‘test_hg19_1_…’.
  • Wildlife@Home: please cancel all the test_hg19_XXXX workunits
    09.09.2014 02:00 Uhr
    Looks like there’s a problem with these. They’re printing too much out to standard error which is busting the validator. I need to alter their command line options to fix these. On another note, how is the runtime for these — should I make them longer? At what % should they checkpoint (I was thinking every 5%).
  • Wildlife@Home: longer DNA@home workunits
    08.09.2014 22:02 Uhr
    I’ve created a new set of work units from DNA@Home using a new data file (from human genome revision 19 — hg19). These should run a bit longer than the other work units, so please let me know if the time estimates and credit is okay. They’re actually not as long as I’d like them to be, so depending on how things are working work units after this could be 10x longer.
  • MilkyWay@Home: New Version of Separation Modified Fit (1.32)
    08.09.2014 20:58 Uhr
    Hello All, We are happy to announce a new version of the Separation Modified Fit application. Version 1.32 will introduce a few new features including: New Optimization Parameters Support for Windows 32-bit A Few Bug Fixes Along with this release I would like to mention that I also started a couple of new runs: de_modfit_15_3s_132_wrap_1 de_modfit_15_3s_132_wrap_2 de_modfit_16TestStars_1s_132_wrap_1 ps_modfit_15_3s_132_wrap_1 ps_modfit_16TestStars_1s_132_wrap_1 As per usual, if you notice any issues relating to these runs or this release version, please post them here and I will be glad to help. Thank you for your continued support, Jake W.
  • Moo! Wrapper: New app v1.4 with OpenCL support deployed
    07.09.2014 05:18 Uhr
    Finally we have a newer application version that supports OpenCL! Updated versions of both AMD/ATI Stream and OpenCL apps for Windows have been offered by our server since yesterday to participants meeting requirements.

    These apps require BOINC Client v7.2.28 or newer and Windows XP or newer. The Stream app is not available to AMD Radeon HD 7870/7950/7970/R9 280X series (Tahiti) or newer cards due to compatibility issues. OpenCL app is preferred for those cards.

    The old app version is still available for systems running older BOINC Client. However, if your system has multiple GPUs, please consider updating it’s BOINC Client to a support version. There are known issues running the old app on systems with multiple GPUs. New apps fix these by running one cruncher per device.

    For detailed app change history, please read application changelog. For latest requirements enforced by our server, please read latest requirements.

    Please report any problems you might encounter with new apps and our changes. Especially if you no longer get any work from our server where you previously did. You can report them by posting at our forum.

    Happy crunching!
  • PrimeGrid: PRPNet server upgraded!
    06.09.2014 02:55 Uhr
    The new and improved PRPNet server is now online. Information and discussion can be found here.
  • Wildlife@Home: [wildlife] merged seconds watched
    05.09.2014 15:19 Uhr
    I’ve merged the seconds watched from the old watch interface and the new watch interface, so the total seconds watched should be showing up correctly on the top lists, in the badges and on the forums. Let me know if there are any problems!
  • Asteroids@home: Server maintenance
    05.09.2014 09:56 Uhr
    There is going to be server maintenance on 09.09.2014 starting at 08:00 UTC. It will take approximately 30 hours.

    edit: The maintenance will be tommorow.

    Radim Vančo (Kyong)
  • PrimeGrid: 27 Mega Prime!
    05.09.2014 00:29 Uhr
    On 22 August 2014, 4:33:59 UTC, PrimeGrid’s 27121 Prime Search, through PRPNet and in collaboration with the 12121 Search (k=27 sister project), has found the mega prime: 27*2^4583717-1 The prime is 1,379,838 digits long and enters Chris Caldwell’s The Largest Known Primes Database ranked 48th overall. The discovery was made by Hans Joachim Böhm (SEARCHER) of Germany using an Intel(R) Core(TM)2 Quad CPU Q9550 @ 2.83GHz Processor with 4GB RAM, running Microsoft Windows 7 Ultimate. This computer took just over 15 hours 24 minutes to complete the primality test using LLR. Hans is a member of the SETI.Germany team. For more details, please see the official announcement.
  • OpenMalaria looking for a new systems administrator/software engineer
    03.09.2014 10:25 Uhr
    The team that developed the OpenMalaria software that runs on is looking for a new systems administrator/software engineer to work in Basel, Switzerland. For details see:
  • Wildlife@Home: [wildlife] problems with watching videos
    01.09.2014 22:37 Uhr
    Of course when I leave for the weekend everything breaks! It looks like Susan and her students have been busy uploading video from this summer (they’ve got a whole lot more!) and the wildlife video server’s hard drives have completely filled up. Not too big of a problem, we have a storage server set up for this, and they just uploaded to the wrong spot which filled up the hard drive. Hopefully have things fixed soon.
  • Leiden Classical: Project News 2 september 2014
    01.09.2014 22:00 Uhr
    We are experiencing network issues again. The IT dep boys are trying to figure out the problem.
  • SETI@home: Wow!-event results
    29.08.2014 22:07 Uhr
    The 3rd annual SETI.Germany Wow!-event has completed, with 838 participants from 48 countries generating a record 463 million credits. See a list of the winners.
  • World Community Grid News: The Clean Energy Project – Phase 2 work unit issues – Resolved
    29.08.2014 15:42 Uhr
    Due to validation issues, The Clean Energy Project – Phase 2 work units are not currently being sent out. Beta tests to fix the issue are underway. -Resolved Aug 29, 2014
  • GPUGRID: layout upgrade
    29.08.2014 14:14 Uhr
    Hi fellows! The GPUGRID team wishes you are having (or had) good summer vacations! For September we are planning to release some changes in the web layout. Among others, extended statistic data will be provided so you can follow the progress of your contribution more closely. We are still under development and we are open to any suggestions to make improve your experience as users. Specifically, we would be happy to hear which statistical data you find the most relevant or interesting and therefore susceptible of being displayed as graphs. We thank you for your collaboration! Gerard M.
  • Moo! Wrapper: We have badges!
    29.08.2014 10:58 Uhr
    As a result of our recent server code update, we can now have badges. I’ve enabled the badge assignment task and first ones are now granted and getting exported in our stats. You can also see them all over our website where users are mentioned.

    Badges in use are the default user and team gold/silver/bronze badges for top 1%/5%/25% RAC. Please let me know if you have any ideas for other badges. Preferably with cool icons to use.

    Happy crunching while hunting those badges!
  • Deadline approaching for Research Computing Specialist job application
    28.08.2014 11:20 Uhr Research Computing Specialist

    Grade 7 – £30,434 – £37,394pa
    DEADLINE: 29th August 2014

    Within the Oxford eResearch Centre‘s Volunteer Computing Group we are seeking to appoint a Software and Systems specialist to strengthen the group to support new projects that utilise the platform.

    The particular focus of this work is two-fold, firstly to develop the current CPDN server platforms to support the deployment of large ensembles of global and regional climate models, manage the date they return and make this available to collaborating scientists, secondly the postholder will suppport the management of the production server infrastructure.

    Applicants will have a doctorate or equivalent experience in and ICT/Computer Science relevant subject.  Exceptionally well qualified candidates without a doctorate will be considered but may be appouinted on a lower salary scale (Grade 6 – £27,057 – £32,277pa), with an appropriate adjustment of duties.  You will manage the infrastructure and servers which run and weather@home, you will be developing the infrastructure to ease the projects operational management and supporting cutting edge climate modelling and attribution studies managing real and current big data problems.

    This post is fixed term until 31st May 2016 in the first instance; closing date for application is 12 noon on 29th August 2014,

    Contact - Dr David Wallom

    For further details and to apply for this position please visit the University Jobs page

  • Wildlife@Home: traveling this weekend
    28.08.2014 02:14 Uhr
    I’ll be traveling this weekend (my flight leaves tomorrow night and I get back monday night) and I’ll be without much any internet service on my trip. So if I don’t respond too quickly that’s why! Expect more updates when I get back next week.
  • Moo! Wrapper: Server moving
    27.08.2014 07:28 Uhr
    I’m migrating our primary server to a new host that has a newer OS and more modern hardware. It’s also closer to our DB server so any delays between the servers should be minimized. To top this all off, it’s also cheaper.

    As things are changing there might be one or more disruptions on services but I’ll keep an eye on things and don’t expect any loss of work as soon as dust settles. No action is needed on your part unless you are hard coding our server IP address somewhere like your firewall rules. In which case you should prepare to change the address and think about using name ( instead of hard coding an IP.

    I’ll let you know when I’m done. Thank you and happy crunching with a snappier server!
  • Wildlife@Home: [wildlife] updating the project's pages
    24.08.2014 21:13 Uhr
    I’ll be going through and updating all the Wildlife@Home webpages so they look like DNA@Home and SubsetSum@Home today. Let me know how they look! The front page is done so I have to work on the other ones.
  • Wildlife@Home: [dna, subset_sum, wildlife] publications page working
    24.08.2014 18:51 Uhr
    I’ve updated the publications page for all the projects here. Enjoy!
  • World Community Grid News: System Maintenance: Sunday, August 24, 2014 at 01:00 UTC – Complete
    24.08.2014 18:49 Uhr
    Routine system maintenance will be performed on Sunday, August 24th. – Complete 06:15 UTC

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