Einstein@Home Monopolizes System
6 Mar 2018 20:46:17 UTC
Topic 213824
(moderation:
Recently I've noticed my system getting sluggish and even frozen as E@H start running. Nothing has changed except new jobs were recently downloaded.
Even though the parameters are set to suspend computation when my non-BOINC jobs take up more than 45% of CPU and / or memory, whenever E@H runs, my system will freeze for as much as 10-15 seconds.
I've noticed this in the past but nowhere near the impact I am experiencing now. It's almost as if E@H occasionally ignores the parameters and commands 100% of the system resources.
-_=G.g
Your host has 4GB of RAM.
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Your host has 4GB of RAM. Those 'Gamma-ray pulsar search #5 v1.08 () windows_intelx86' tasks take ~600MB while running. Your operating system (Windows 7) probably takes about 2GB on its own and then non-Boinc software take also something in addition.
Have you set Boinc to run 1 or 2 of those tasks at the same time?
How have you set the "Leave non-GPU tasks in memory while suspended" option in Boinc Manager... Options... Computing preferences... Memory ?
My guess is your system keeps swapping plenty of data from RAM to disk or vice versa every time that freeze happens. If the setting for those non-GPU tasks above is currently "off" you could try if opposite kind of approach would work better: Make Boinc run a CPU task (one task) all the time, without interruptions. Set "Run always".
If your non-Boinc activities on that host are not real-time-critical and if you're not using any massive software (heavily loading the available memory) then operating system might be able to better handle swapping when it becomes inevitable. Swapping a FGRP5 task to disk means 600MB, but those other programs may require swapping of much smaller chunks of data. That could result in a more fluid usability.