Posts by Michael Goetz

1) Message boards : Number crunching : Somewhat limiting.... (Message 54)
Posted 3 Nov 2021 by Michael Goetz
Post:
Does this app use any extensions like AVX/AVX2/AVX-512 if available?


CPU temps say no. :)
2) Message boards : News : iThena GRAPH - version for i686-pc-linux-gnu platform (Message 53)
Posted 3 Nov 2021 by Michael Goetz
Post:
The iThena GRAPH application (v1.03) is now available for the i686-pc-linux-gnu platform.

Please test it ;)

Twitter: https://twitter.com/iThenaProject/status/1455800525371453443


1.03 seems to be working. It seems the same as 1.02.
3) Message boards : Number crunching : Checkpointing? (Message 44)
Posted 2 Nov 2021 by Michael Goetz
Post:
Will a future version of the app checkpoint?
4) Message boards : Number crunching : Somewhat limiting.... (Message 33)
Posted 1 Nov 2021 by Michael Goetz
Post:
I've noticed problems.
I increased 10x the possible execution time.
I set it to 40 credits per WU at this moment.
There is a new specification for tasks in the new series "TESTS_1A_T..."


Looks like my slow machine is going to need about 8 to 10 hours per task. That's a 1st gen i3 (2c/4t) laptop, with your tasks run on two threads and some heavy computational stuff (prime95-ish) on the other 2 threads.
5) Message boards : Number crunching : Somewhat limiting.... (Message 32)
Posted 1 Nov 2021 by Michael Goetz
Post:
First "Success":
https://comp.ithena.net/usr/workunit.php?wuid=5321 :)



Cool, that one's mine. For reference, it's a real Linux machine, not a VM. It's a Haswell-class Intel i5.

I set up everything linuxy last night to automatically grab tasks here when they became available. That may lead to some problems with timeouts., since there's now multiple VMs plus host systems overcommitting cpu cores. I've paired it back a bit.

One of the systems running tasks is an *old* laptop. Really slow. We'll see how long it takes.

If I'm setting time limits on tasks, I generally look at the slowest active computer in the database, figure out how long it should take to run a task, and multiply *that* by 10. There's all sorts of reasons why tasks will run slower than 'normal',




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