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News
411 items
News of the research projects that Gridcoin pays for and of the Gridcoin releases, newest first. Press releases that companies pay to publish here are in the list too, marked as sponsored: Gridcoinstats does not write them and does not stand behind what they say.
Maxwell I Zimmerman , Justin R Porter , Michael D Ward , Sukrit Singh , Neha Vithani , Artur Meller , Upasana L Mallimadugula , Catherine E Kuhn , Jonathan H Borowsky , Rafal P Wiewiora , Matthew F D…
Hey everyone,
On July 28th, our server will be temporarily inaccessible due to a scheduled campus-wide internet outage. As such, job queues may not update for the day. However, everything should return to working order by the next day. We apologize for any inconvenience this may cause.
-Eric
Hey all,
The last set of N-body runs we set up started converging to compact progenitors due to an overly restrictive data histogram. We have fixed the data histogram and placed new runs up on the server:
-de_nbody_07_07_2020_v176_40k__data__1
-de_nbody_07_07_2020_v176_40k__data__2
-de_nbody_07_07_2020_v176_40k__data__3
Please let us know if these runs cause any problems, and thank you all for your support.
-Eric
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Hello Everyone,
I have put up the following separation runs:
de_modfit_80_bundle4_4s_south4s_bgset_3
de_modfit_81_bundle4_4s_south4s_bgset_3
de_modfit_82_bundle4_4s_south4s_bgset_3
de_modfit_83_bundle4_4s_south4s_bgset_3
de_modfit_84_bundle4_4s_south4s_bgset_3
de_modfit_85_bundle4_4s_south4s_bgset_3
de_modfit_86_bundle4_4s_south4s_bgset_3
And I have taken down the following separation…
Dear volunteers,
First of all, I hope that all of you and those close to you are well in this global pandemic.
This week is the anniversary of one of the hardest moments of this project. Three years ago, during a database update, it was corrupted. With this failure we detected that the backup system of the data base was not working as it should and we were only able to restore a 6-months-old backup. All this situation coincided just at the moment in which we stopped having a person dedicated…
Hey everyone,
We realized that the comparison histogram in the last set of runs contained incorrect data. As such we have replaced the last set of runs on 05/30/2020 with the following runs in their place:
-de_nbody_06_08_2020_v176_40k__data__1
-de_nbody_06_08_2020_v176_40k__data__2
-de_nbody_06_08_2020_v176_40k__data__3
We apologize for any inconvenience,
-Eric
Hey everyone,
We are really close to releasing a new version of NBody. Hopefully, after the next two sets of optimizations, we'll have all the bugs in the newer version fixed. So for the time being, here are the new runs:
-de_nbody_05_30_2020_v176_40k__data__1
-de_nbody_05_30_2020_v176_40k__data__2
-de_nbody_05_30_2020_v176_40k__data__3
Thank you all for your continued support,
-Eric
Ion channels act as doors for cells: they open and close to let in and out the particles that carry electrical charge, the ions. Ion channels are therefore at the basis of the function of excitable…
Hello,
I am writing to let you all know that we have just put some new runs up:
-de_nbody_03_20_2020_v176_40k__sim__1
-de_nbody_03_20_2020_v176_40k__sim__2
-de_nbody_03_20_2020_v176_40k__sim__3
Thank you all for your support,
-Eric
We apologize once again, but it seems we have run into another error with the last set of runs. These runs will be replaced by the following runs:
-de_nbody_02_10_2020_v176_40k__data__1
-de_nbody_02_10_2020_v176_40k__data__2
-de_nbody_02_10_2020_v176_40k__data__3
Rest assured that these errors do not affect the ability of your computers to run the milkyway_nbody application and will not cause you to lose credit. Thank you for your patience and your continued support.
-Eric
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Hello all,
I have put up some new runs for milkyway_nbody. Unfortunately, there was an error with last set of runs put up 3 days ago, so these runs will be replacing those:
-de_nbody_02_06_2020_v176_40k__data__1
-de_nbody_02_06_2020_v176_40k__data__2
-de_nbody_02_06_2020_v176_40k__data__3
We apologize for any inconvenience this may cause, and we once again thank you for your continued support.
-Eric
Hello all,
We have put up new runs for milkyway_nbody under the following names:
-de_nbody_02_03_2020_v176_40k__data__1
-de_nbody_02_03_2020_v176_40k__data__2
-de_nbody_02_03_2020_v176_40k__data__3
If any of these runs cause trouble to your computer, please let us know so that we may resolve any issues.
Thank you all for your support!
-Eric
Happy New Year everyone!
I hope you all had a fantastic new year's celebration. To start off the new year, I thought we should put up a few new runs for Nbody as the previous one have converged nicely. The new runs I put up are:
-de_nbody_01_15_2020_v176_40k__sim__7
-de_nbody_01_15_2020_v176_40k__sim__8
-de_nbody_01_15_2020_v176_40k__sim__9
Thank you all for your continued support, and I wish you all the best for the new decade.
-Eric
Hey all,
We are putting up the following new runs for MilkyWay@home N-body:
-de_nbody_11_25_2019_v176_40k__sim__4
-de_nbody_11_25_2019_v176_40k__sim__5
-de_nbody_11_25_2019_v176_40k__sim__6
In other news, we're almost ready to report our results from the last few parameter optimizations on the Orphan Stream. Thank you all for your support. We could not have gotten these results without your time and patience.
-Eric
As Linux is almost perfect if you get the same problem two times in short time, that means that there is an hardware problem behind!
The first time I can think it was due to the 3 working people that add new devices in my network for having three more connection speed of actual one as they manage to add cables and move devices during the operation.. and after them you got a DB related problem into the server just 5 minutes after they gone...
But after having rebuild the DB from scratch…
Hello all,
I am writing to let you all know that new runs for milkyway_nbody have been put up. Two of our runs have been taken down and replaced with two new ones. The runs that are currently up are the following:
-de_nbody_08_06_2019_v176_40k__dataExpand__3
-de_nbody_10_03_2019_v176_40k__dataExpand__5
-de_nbody_10_03_2019_v176_40k__dataExpand__6
Thank you all for your continued support.
-Eric
Hello all,
I am writing to inform you all that the single-threaded Nbody application has been temporarily deprecated. We may bring back the single-threaded app if the multi-threaded app begins causing problems. As always, please let us know if you experience any difficulties with the application. Thank you all for your support.
-Eric
Hello everyone,
We decided to once again provide support for the milkyway_nbody multi-threaded application. If you discover any issues with the new application, please do not hesitate to contact us so that we may expeditiously resolve them. Thank you all for your continued support.
-Eric
Hi everyone,
The Milkyway server will be down this Thursday, 9/12/2019 starting at 4PM. The server should be back up by midnight. You will not be able to download or return workunits during this time, and the website will also be down. Any issues/questions can be directed at our email [email protected] while the server is down.
- Tom
Hello all,
I've just placed two new runs up onto MilkyWay@home:
-de_nbody_08_06_2019_v176_40k__dataExpand__1
-de_nbody_08_06_2019_v176_40k__dataExpand__2
These runs are going to search over a larger phase space, however, due to the technological limitations of simulating incredibly dense dwarf galaxies, a significant portion of this phase space will be skipped. This limitation has been placed in previous runs using the current version of Milkyway_nbody, however, the larger phase space will…
Hi Everyone,
Looking at all of the previous runs (including those from previous projects), there are patterns of interesting and unexpected behavior from the optimization results. In order to better understand these results, I have planned a series of extensive testing runs. These tests will allow us to learn how the optimization routine's responds to specific circumstances and inputs. I will make a comment attached to this post describing the tests & reasons for the tests in greater detail if…
Hi Everyone,
I just put some new Separation runs up on the server and took down the old ones. You may still see new workunits from old runs in your queues for a few days as those runs finish validating.
The names of the new runs are:
de_modfit_80_bundle4_4s_south4s_bgset
de_modfit_81_bundle4_4s_south4s_bgset
de_modfit_82_bundle4_4s_south4s_bgset
de_modfit_83_bundle4_4s_south4s_bgset
de_modfit_84_bundle4_4s_south4s_bgset
de_modfit_85_bundle4_4s_south4s_bgset
de_modfit_86_bundle4_4s_south4s_bgset…
Hey all,
Something happened with de_nbody_07_10_2019_v176_40k__data__4 that caused it to end prematurely. As such a new run has been implemented to replace it, titled de_nbody_07_10_2019_v176_40k__data__7.
We apologize for any inconvenience.
-Eric
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