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CMS job shortage Wednesday 13th November
CMS IT will be installing a new version of WMAgent on Wednesday. This will impact job availability for the duration of the intervention. We might be able to eliminate the little gremlin that's been plaguing us for the last few weeks, too.
So, please set your CMS processors to No New Tasks sometime tomorrow, Tuesday 12th, so that current tasks will stop requesting new jobs before the queues get cut. I'll let you know when jobs are available again.
I will be going on a 2 week vacation starting in a couple days. Internet access will be spotty, so I apologize in advance for any delays responding to the boards.
The rest of the project is fully automated and there is plenty of work in the backlog, so no worries there.
New GPU OpenCL versions available
I just deployed the windows AMD openCL version as a beta app. I will monitor results for errors, but please report any strange behavior.
I also deployed newer openCL versions for AMD linux and Nvidia windows. The openCL code had a couple minor tweaks; nothing major.
The search up to 10^21
The search up to 1021 has started! Over 50,000 new amicable pairs have been found in the first few days.
Due to the huge size of search space, first stage of the search will only look for all amicable pairs where smaller number is of the form 3N*...*p where N > 0 and p < 1011. I expect that this will find 2-3 million new amicable pairs in a year or so.
Note that system memory requirements are higher now because all prime numbers < 1011 need to be stored in memory for the search.
I just got info that we finally got new server for project and new database server.
Depend on when I arrive to Warsaw we will be off for about one to two days to move everything to the new machines.
It will happen probably from Thursday 24th October until Friday 26th or week later same days.
SETI@home news for Alexa
SETI@home member Morris Penasso has developed a SETI@home News "skill" for Amazon Alexa/Echo that can tell you the latest from our news feed.
You can get it [Link] here.
All acemd3 apps updated (210)
Currently there should be no major *known* bugs. We should cover Win64 and Linux, with reasonably recent cards.
Unfortunately, an internal cleanup in the filenames will make *existing* WUs fail. Sorry about that. Will send new test WUs soon.
By the way, the scheduler for this app will base its decision simply on the CUDA version supported by your driver, rather than other heuristics.
Servers Remain Up During Power Outage
Large swaths of Northern California, including the UC Berkeley Campus, are under a Public Safety Power Shutoff due to high winds and the associated wildfire risks. Our servers are located in the campus Data Center which is protected by a high capacity UPS. We expect that our servers will remain up for the duration of the outage. Thus far Internet connectivity also remains up although this depends on factors outside of the Data Center.
I know some of you like to know the batch plan, so here it is...
Batch 13x270 is nearing completion for subfield 3. After that, we will spend a week or two picking some of the low hanging fruit on subfield 7. Then it's back to subfield 3, batch 13x271. This is a very big batch, so I expect it to last until the end of December, possibly into January.