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Posts by Dave Jackson

Posts by Dave Jackson

21) Message boards : Number crunching : Batch 1008, and test batches 1009 to 1014 for Windows - issues (Message 70783)
Posted 9 Apr 2024 by Profile Dave Jackson
Post:
I've got one of these v8.24 tasks. It's survived one restart, so is there some difference to the tasks that almost always crashed on restart?


Impossible to say if the surviving one restart is due to any change yet. This test is to confirm that two particular ancillary files were not responsible for the failures that seemed to happen on all Intel machines. I would guess that if these run OK, there will be two or three other small batches to test the other ancillary files/to narrow down further what the issue is. Glenn is the one who could really answer that question but he may be too busy trying to find the answer right now!
22) Message boards : Cafe CPDN : Off-Grid Solar/Renewable Energy Discussion (Message 70781)
Posted 9 Apr 2024 by Profile Dave Jackson
Post:
Ah, a BT engineer told me this was why my 1979 phone line was rubbish. He said something about them coming loose. But for the price I'll stick to aluminium!


See Terry Pratchett.

The reason that the rich were so rich, Vimes reasoned, was because they managed to spend less money,” wrote Pratchett. “Take boots, for example. He earned thirty-eight dollars a month plus allowances. A really good pair of leather boots cost fifty dollars. But an affordable pair of boots, which were sort of okay for a season or two and then leaked like hell when the cardboard gave out, cost about ten dollars. Those were the kind of boots Vimes always bought, and wore until the soles were so thin that he could tell where he was in Ankh-Morpork on a foggy night by the feel of the cobbles. But the thing was that good boots lasted for years and years. A man who could afford fifty dollars had a pair of boots that’d still be keeping his feet dry in ten years’ time, while a poor man who could only afford cheap boots would have spent a hundred dollars on boots in the same time and would still have wet feet.
23) Message boards : climateprediction.net Science : Climate change in the News (Message 70778)
Posted 9 Apr 2024 by Profile Dave Jackson
Post:
Tenth consecutive monthly heat record alarms and confounds climate scientists If the anomaly does not stabilise by August, ‘the world will be in uncharted territory’, says climate expert.
24) Message boards : Number crunching : Batch 1008, and test batches 1009 to 1014 for Windows - issues (Message 70776)
Posted 9 Apr 2024 by Profile Dave Jackson
Post:
Both new batches appear to be the older "Weather At Home 2 (wah2) v8.24" application, so it looks like a bit of benchmarking is going on.
Small batch of 60 tasks. Checking a couple specific ancillary files for natural forcing I believe.
25) Message boards : Number crunching : Batch 1008, and test batches 1009 to 1014 for Windows - issues (Message 70774)
Posted 9 Apr 2024 by Profile Dave Jackson
Post:
Small batch 1011 appears to have dropped. I have one running and 1st trickle has uploaded.

Bill F
Sounds like progress as all your machines are Intel.
26) Message boards : Number crunching : Completing a WU? Impossible. How's the situation today? (Message 70761)
Posted 6 Apr 2024 by Profile Dave Jackson
Post:
There is an issue with the current batch (1008/9) that means they are failing but only on Intel machines. So far they seem to behave on AMD ones. Glenn is doing some serious debugging work to track down the source of the problem. With luck the two remaining batches and a fixed 1008 with a new number might go out next week. Follow the thread for batch 1008 for news on this.
27) Message boards : Cafe CPDN : Off-Grid Solar/Renewable Energy Discussion (Message 70754)
Posted 6 Apr 2024 by Profile Dave Jackson
Post:
I mean seriously, warnings on chainsaws not to stop them with your genitals?!
Where do you buy your chainsaws from? Neither of mine came with any such warnings!

And health and safety measures are only common sense for someone who fully understands what is involved. A chainsaw for example can under certain circumstances kick up which is why I always wear a safety helmet while using mine and modern ones all have a safety chain brake that will stop the chain by hitting against the top hand in such situations. Someone with no knowledge of chainsaws could buy one of the old fashioned ones and have no idea how dangerous it is. Health and safety warnings and measures are designed to protect those who don't understand what is involved.
28) Message boards : Number crunching : Batch 1008, and test batches 1009 to 1014 for Windows - issues (Message 70750)
Posted 5 Apr 2024 by Profile Dave Jackson
Post:
Starting to get some tasks from batch 1009 - I assume these are the test run.
I can confirm these are from the test batch of 100 tasks.

Edit: And I would guess they have all gone now so I won't get any unless there are failures.
29) Message boards : Number crunching : Batch 1008, and test batches 1009 to 1014 for Windows - issues (Message 70748)
Posted 5 Apr 2024 by Profile Dave Jackson
Post:
I have deleted the last resend. It was a _2 so won't be sent again now. I have left the five started tasks from 1008 going and there is a resend from 1007 at 88%. I have also set the machine to no new tasks till I get some hints about the imminentness of the 100 tasks being released.

Edit:I think if BOINC were to cater for this type of test it would almost certainly mess something else up!

Edit2: Given the time I would not be surprised if the test doesn't arrive till Monday though I have been caught out before by batches being released over the weekend.
30) Message boards : Number crunching : Batch 1008, and test batches 1009 to 1014 for Windows - issues (Message 70746)
Posted 5 Apr 2024 by Profile Dave Jackson
Post:
I believe the Intel runs are behaving correctly and failing. It's the AMD runs not behaving.
The only reason I haven't asked why is I almost certainly will not understand the answer! ;)
31) Message boards : Number crunching : Batch 1008, and test batches 1009 to 1014 for Windows - issues (Message 70744)
Posted 5 Apr 2024 by Profile Dave Jackson
Post:
Thanks Glen. I will abort the two not started yet as credit isn't a issue for me.
I was clearly a bit premature with that as I have picked up one more resend from 1008.
32) Message boards : Number crunching : Batch 1008, and test batches 1009 to 1014 for Windows - issues (Message 70742)
Posted 5 Apr 2024 by Profile Dave Jackson
Post:
Thanks Glen. I will abort the two not started yet as credit isn't a issue for me.
33) Message boards : Number crunching : Batch 1008, and test batches 1009 to 1014 for Windows - issues (Message 70738)
Posted 4 Apr 2024 by Profile Dave Jackson
Post:
I believe the Intel runs are behaving correctly and failing. It's the AMD runs not behaving.
Should I just abort the two that are yet to start? I have five others that I can save files from that have all produced either 4 or 5 zips. Or would looking at what happens at the point where they fail on Intel machines be more useful?
34) Message boards : Number crunching : Batch 1008, and test batches 1009 to 1014 for Windows - issues (Message 70734)
Posted 4 Apr 2024 by Profile Dave Jackson
Post:
I would suggest that those with Intel processors set CPDN to no new tasks till this is sorted.

Edit: It is possible the batch might be closed which would stop resends and let those with work on AMD machines complete it.

Edit: I think it is being paused which will stop resends. I have looked at over 20 hard fails, every single one is at the same point on an Intel machine. I have seven from the batch on my machine, Four have produced 5zips and trickle up messages, one four and two waiting to start. It is most odd.
35) Message boards : Number crunching : Batch 1008, and test batches 1009 to 1014 for Windows - issues (Message 70727)
Posted 3 Apr 2024 by Profile Dave Jackson
Post:
Yes, phenom2, all Ryzen and thread ripper CPUs support SSE4.2
36) Message boards : Number crunching : New Work Announcements 2024 (Message 70717)
Posted 3 Apr 2024 by Profile Dave Jackson
Post:
Please! Keep this thread for announcements about new work. Any discussion should go in new thread(s.)
37) Message boards : Number crunching : Batch 1008, and test batches 1009 to 1014 for Windows - issues (Message 70714)
Posted 3 Apr 2024 by Profile Dave Jackson
Post:
Dave, you might recall your dev test did fail and that was on AMD.
And that one completed for Richard on an Intel machine
38) Message boards : Number crunching : Batch 1008, and test batches 1009 to 1014 for Windows - issues (Message 70710)
Posted 3 Apr 2024 by Profile Dave Jackson
Post:
The only pattern I've noticed (if it is a pattern), is that my failures were on a Win10 VM running on a intel chip, whereas the same VM running on a AMD has got 3 tasks past 1/Jan.


Any idea of the percentage of Intel vs AMD chips. I have been trawling and every single failure I have looked at has been Intel but, the overwhelming majority of tasks have not returned a zip yet so there is no evidence they are running correctly. Mine which have returned zips are all Wind10 in a VM as opposed to WINE which might mask failures. (All on AMD Ryzen 7 3700X )

I guess we might have more data by tomorrow morning when most computers running 24/7 should have either failed tasks or produced zips.
39) Message boards : Number crunching : Should full credit be given for time on non successful tasks? (Message 70687)
Posted 1 Apr 2024 by Profile Dave Jackson
Post:
I looked around a bit an several projects seem to have had people with this issue. If for any reason the benchmark for your machine is optimistic it can cause this error. Manually rerunning benchmarks should solve it for future tasks but not those already downloaded.
40) Message boards : Number crunching : Should full credit be given for time on non successful tasks? (Message 70680)
Posted 27 Mar 2024 by Profile Dave Jackson
Post:
It is the way over half the credit is quite often given to two or more in the case of some Linux tasks before someone finally completes the work that gets me. Really just floating it to get an idea of whether it would deter those who crash most tasks even if they gain a substantial amount of credit first. I certainly don't see it happening any time soon given the work Andy and Richard have put into sorting out the current system.


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