Posts by Bryn Mawr

1) Message boards : Number crunching : Is it just me? (Message 2118)
Posted 22 Oct 2023 by Bryn Mawr
Post:
It was the benchmarks after all, just took a little longer than I expected to take effect.
2) Message boards : Number crunching : Is it just me? (Message 2117)
Posted 22 Oct 2023 by Bryn Mawr
Post:
Hello Bryn!

There have been no changes in recent weeks (or even months). Looks like credit "arranging" due computing stats gathering and counting.


Thanks, I’ll investigate further.
3) Message boards : Number crunching : Is it just me? (Message 2115)
Posted 21 Oct 2023 by Bryn Mawr
Post:
Due to a wasp infestation whilst I was away from home both of my desktops crashed, one being dead for 9 days and the other being dead for about a week, up for an hour or so (in which time it aborted the SiDock tasks it had been working on and then loaded a new set) before crashing again and being down for 14 days.

When I sorted the problem the existing tasks ran to completion in the normal 24 hours(ish) and were granted the normal 1,000 to 1,500 credits. All the tasks downloaded after the recovery have run successfully in the same timescale but have only been granted 100 to 150 credits.

As soon as I noticed this I ran benchmarks on both machines guessing that the values had reset but tasks downloaded after the benchmark are still being granted reduced credits.

Is it only me or has there been a change in the past week or so?
4) Message boards : Number crunching : establish new subprojects for new hours on WUprop? (Message 2055)
Posted 16 Apr 2023 by Bryn Mawr
Post:
Hello Natalia, hello hoarfrost. I am reaching 25.000 hours
25,000


How very parochial - not everyone lives in the UK or uses British conventions.
5) Message boards : Number crunching : process exited with code 195 (Message 2052)
Posted 29 Mar 2023 by Bryn Mawr
Post:
The WUs that are running should complete soon and I’ll confirm when they do.

This is good news! Thank you for notice!


The next 6 WUs have all finished clean in just over 24 hours with several more about to finish. Happy days :-)


WOO HOO!!! You may have just solved a problem since the beginning of Boinc!! I sure hope so anyway!!! You should get that adde4d to the Wiki page of Boinc errors.


If you point me at it I'll update it :-)
6) Message boards : Number crunching : process exited with code 195 (Message 2050)
Posted 28 Mar 2023 by Bryn Mawr
Post:
The WUs that are running should complete soon and I’ll confirm when they do.

This is good news! Thank you for notice!


The next 6 WUs have all finished clean in just over 24 hours with several more about to finish. Happy days :-)
7) Message boards : Number crunching : process exited with code 195 (Message 2048)
Posted 28 Mar 2023 by Bryn Mawr
Post:
I have just restarted my secondary pc after a year’s absence and I’m seeing many WUs crashing with the above exit code, mostly after a few seconds. (So far no WUs have successfully completed but a couple are running ok).

The system is a Ryzen 9 3900 with 16gb ram and 256gb nvme running Ubuntu 22.04 and Boinc 7.18.1.

My first guess is memory, maybe fuzz on the connectors but I thought I’d ask if anyone had had similar problems?


It's not confined to the SiDock Project so probably a workunit config that works on most systems but not on every one for some reason...I don't know.
https://yafu.myfirewall.org/yafu/forum_thread.php?id=305#1157

Now that thread is from 2018 but I see it on other Projects as well.


Thanks, that was exactly the stderr output I was seeing but it looks clean now.
8) Message boards : Number crunching : process exited with code 195 (Message 2047)
Posted 28 Mar 2023 by Bryn Mawr
Post:
I have just restarted my secondary pc after a year’s absence and I’m seeing many WUs crashing with the above exit code, mostly after a few seconds. (So far no WUs have successfully completed but a couple are running ok).

Hello!
Would you try:
1. Project reset;
2. If reset didn't help:
2.1. Get multiple tasks;
2.2. Suspend network activity immediately after that;
2.3. After errors occur, copy files with names like <task_name>_1 and <task_name>_0 (if present) into separate directory and post it (or link to download) here. Perhaps, these files will contain a clue.

Thank you for participation!


I shut down the pc, removed the memory and cleaned the connectors, reseated the memory and restarted. Since then it’s run clean overnight so I think it was just that the machine had been sitting unused for too long.

The WUs that are running should complete soon and I’ll confirm when they do.
9) Message boards : Number crunching : process exited with code 195 (Message 2041)
Posted 27 Mar 2023 by Bryn Mawr
Post:
I have just restarted my secondary pc after a year’s absence and I’m seeing many WUs crashing with the above exit code, mostly after a few seconds. (So far no WUs have successfully completed but a couple are running ok).

The system is a Ryzen 9 3900 with 16gb ram and 256gb nvme running Ubuntu 22.04 and Boinc 7.18.1.

My first guess is memory, maybe fuzz on the connectors but I thought I’d ask if anyone had had similar problems?
10) Message boards : Number crunching : i7-8700K performance (Message 2023)
Posted 3 Mar 2023 by Bryn Mawr
Post:
My R9 3900 averages about 40 so that sounds about right.

Right, within project. But with TN-Grid or Universe the difference is at most 10% to 15%. What makes SiDock so different?


40 credits an hour seems to be normal across the projects I work. Sometimes better when a new type of task is introduced but there or thereabouts.
11) Message boards : Number crunching : i7-8700K performance (Message 2021)
Posted 3 Mar 2023 by Bryn Mawr
Post:
I'm averaging just around 29 points per hour with this cpu. Full resources committed .. running Linux .. at 4.5Ghz. My newer Ryzen 5700's produce considerably more, over 52. Are there optimizations (SSE,AVX, etc) missing with the i7 which explains the considerable difference?

The differences aren't nearly as pronounced in other projects like TN-Grid or Universe.


My R9 3900 averages about 40 so that sounds about right.
12) Message boards : News : Target # 22: corona_RdRp_v2 (Message 1911)
Posted 21 Jan 2023 by Bryn Mawr
Post:
Mmm I couldn't find how to "restart" a task, I tried to suspend it and let it run again, but it seemed to continue the same way, so I cancelled it :/

Thanks for the answer anyway.


You need to turn “leave non GPU tasks in memory” off before you suspend the task or it won’t force a checkpoint restart.
13) Message boards : Number crunching : Tasks hanging - (Message 1860)
Posted 18 Jan 2023 by Bryn Mawr
Post:
I haven't looked at the logs but most all my WU's are showing 2d+ left till completion and the returned credit at Free-DC for this project has taken a sharp nosedive today implying it's a systemic problem in the WU's.


No, they’ve moved from tasks taking an hour or so to tasks taking a day or so. Credits will pick up when the long tasks finish and the average 1,500 credits per task kick in.
14) Message boards : Number crunching : Tasks hanging - (Message 1822)
Posted 16 Jan 2023 by Bryn Mawr
Post:
Hi folks! I caught one of them and now try to reproduce the problem. If it succeeds, it will greatly help.
Thank you for reports!


I note that all the tasks giving me problems are RdRp_v2_sample whereas all of the successful tasks are Sprot_delta_v1_RM_sidock

Are the sample jobs a faulty batch and should I abort them on sight?


Not so for me, I have not got to the RdRp yet.
The ones I have hangs on are Sprot.
Current is
https://www.sidock.si/sidock/workunit.php?wuid=49502557

Paul.


Having reset the 3 that appeared to be hanging they’re running ok for now with an apparent 17 hour expected run time.
15) Message boards : Number crunching : Tasks hanging - (Message 1820)
Posted 16 Jan 2023 by Bryn Mawr
Post:
Hi folks! I caught one of them and now try to reproduce the problem. If it succeeds, it will greatly help.
Thank you for reports!


I note that all the tasks giving me problems are RdRp_v2_sample whereas all of the successful tasks are Sprot_delta_v1_RM_sidock

Are the sample jobs a faulty batch and should I abort them on sight?
16) Message boards : Number crunching : how long can "long tasks" be? (Message 1818)
Posted 15 Jan 2023 by Bryn Mawr
Post:
The circumstances that led to the unit hanging hasn't changed so I just abort them to avoid the possibility the same thing happens again to the same task.


No, the circumstances that led to the unit hanging are intermittent, by going back to the last checkpoint the likelihood of it happening again is the same as the likelihood of it happening in the first place.
17) Message boards : Number crunching : how long can "long tasks" be? (Message 1812)
Posted 15 Jan 2023 by Bryn Mawr
Post:
Something might be wrong with those tasks.
Use your Process Manager and see if they actually are using CPU.

I'd kill those.

Or do what the admin says in this message:
https://www.sidock.si/sidock/forum_thread.php?id=224&postid=1787#1787


They are most likely using 100% CPU.

In computing options set leave on memory off, then read config files.
Suspend the task(s) then resume
Set leave in memory back on then read config files.

That will force the task(s) to restart at the last checkpoint and all should be ok.
18) Message boards : Number crunching : Tasks hanging - (Message 1794)
Posted 12 Jan 2023 by Bryn Mawr
Post:
Confirmed, this issue was caused by low memory - running 3 CPDN OpenIFS apps and 21 mixed SiDock, TN-Grid and WCG tasks in 16GB was always going to be tight but having upgraded to 64GB the hanging tasks have disappeared.
19) Message boards : Number crunching : Tasks hanging - (Message 1790)
Posted 9 Jan 2023 by Bryn Mawr
Post:
Percentage static and time remaining increasing over a 5 minute period.
20) Message boards : Number crunching : Tasks hanging - (Message 1786)
Posted 8 Jan 2023 by Bryn Mawr
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i have 2 of these hanging tasks ongoing - should i abort them?
both are using a full core of cpu time.
in both cases, the only files in the slot directory that is being updated is boinc_mmap_file and init_data.xml


I've suspended the 3 I have in progress until admin have a chance to review them.


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