Posts by noderaser

1) Message boards : Number crunching : CPU Time Versus Run Time (Message 66908) Posted 31 Dec 2017 by noderaser Post: Unfortunately, BOINC doesn't really give you much information on GPU utilization; the CPU time you see is the time that was spent doing I/O operations between your GPU and hard drive. Some projects require a lot of I/O, some take longer to compute; Einstein is one that requires a lot of I/O, and typically reserves an entire CPU core to take care of that operation.
2) Message boards : Number crunching : M@H seems to be freezing the progress of other tasks (Message 66287) Posted 10 Apr 2017 by noderaser Post: Have you configured your preferences so that you only get GPU work? There are CPU tasks for this project as well, including both single core tasks and multi-threaded ones.
3) Message boards : Cafe MilkyWay : Team Stealing (Message 66034) Posted 26 Dec 2016 by noderaser Post: I just got notification that someone tried to claim ownership of my team; this user (highlander) has just joined the team and has completed no work for the project. I can see that having this feature can be useful in case the team admin goes is no longer active, but perhaps there should also be a minimum credit/RAC requirement?
4) Message boards : Number crunching : Is this project OVER, semi abandoned or DYING? (Message 65619) Posted 8 Nov 2016 by noderaser Post: Might I suggest a backup project or project(s)? Things happen to even the best funded projects with super-attentive admins, that cause shortages of work.
5) Message boards : Application Code Discussion : MilkyWay@Home for Android (and not only) (Message 64573) Posted 26 May 2016 by noderaser Post: http://milkyway.cs.rpi.edu/milkyway/apps.php
6) Message boards : Number crunching : Using GPU? (Message 64400) Posted 22 Mar 2016 by noderaser Post: MilkyWay doesn't support your card, but other projects do.
7) Message boards : Number crunching : old 3 ghz hyper thread (Message 64267) Posted 22 Jan 2016 by noderaser Post: Goofyxgrid is similar: [urlhttp://goofyxgridathome.net/[/url] They are both NCI, non computation intensive, projects. Really? Looks more like a monkeys-on-typewriters simulator.
8) Message boards : Number crunching : old 3 ghz hyper thread (Message 64263) Posted 21 Jan 2016 by noderaser Post: If you can figure out what model it is, check WUprop for a compatible project. http://wuprop.boinc-af.org/results.py
9) Message boards : Application Code Discussion : Why I've ceased participating in MilkyWay@Home via BOINC (Message 64248) Posted 16 Jan 2016 by noderaser Post: I would worry about running out of work that way, and I do have a personal hierarchy for the projects. My "top" project is heavily weighted; because it's one that does not have work very often, I want to artificially increase the credit debt on my hosts so that when there is work available it will keep asking for more until the project is dry.
10) Message boards : Application Code Discussion : Why I've ceased participating in MilkyWay@Home via BOINC (Message 64244) Posted 15 Jan 2016 by noderaser Post: I've participated in BOINC for nearly 10 years on the basis of sharing my desktop's idle time equally among the projects in which I participate; and I should like to continue on what seems to me to be an equitable basis for sharing idle time. The BOINC Manager is designed to even out your recent credit (not time share) based on the project weights you specify. As pointed out, it will also try and avoid sending in tasks after their deadlines, so if you have a job that looks like it's going to be very computationally intensive and could possibly not finish before the deadline based on your computer's uptime it will shift priority to those tasks before requesting more work from any project. There are some ways you can get around that; increasing your work cache, for example. However, when the "credit debt" shifts towards another project, you may end up with a large cache of tasks that you weren't expecting. I must say that this is a common topic at various projects; users who see their host(s) linger on one project over another for a while and assume that the project is doing something to steal time from other projects. I've yet to see any conclusive evidence for that case; since all of the projects have different lengths of tasks and deadlines to maximize the return rate, conflicts can arise when BOINC Manager tries to juggle many projects. This problem is compounded when you add more projects.
11) Message boards : Application Code Discussion : Remove "The Knights Who Say 'Ni!'" (Message 64046) Posted 28 Oct 2015 by noderaser Post: They have discontinued their stats service. http://stats.kwsn.info/
12) Message boards : Number crunching : N-body code - preference to limit # of CPUs? (Message 64045) Posted 28 Oct 2015 by noderaser Post: Personally, I prefer the multi-threaded apps for the lower memory overhead and other benefits. If you're concerned about splitting up your contribution between multiple projects, the BOINC resource share is supposed to do that.
13) Message boards : MilkyWay@home Science : GPU v non-gpu tasks (Message 64020) Posted 21 Oct 2015 by noderaser Post: are there applications that can't run on GPU? Or can anything Milkyway needs to calculate be done on GPU? http://milkyway.cs.rpi.edu/milkyway/apps.php
14) Message boards : MilkyWay@home Science : GPU v non-gpu tasks (Message 63968) Posted 5 Oct 2015 by noderaser Post: If you don't want to use CPU, you can go to your account page and uncheck the "Use CPU" box under "MilkyWay@Home preferences". But, I would hope that you're using your CPU for at least another BOINC project, because there are plenty that don't have the benefit of GPU crunching.
15) Message boards : Number crunching : Lowering required cpus (Message 62978) Posted 8 Jan 2015 by noderaser Post: What model is your GPU? It's possible that it is supported by other projects; Moo! and Collatz seem to have pretty good support for older cards.
16) Message boards : Number crunching : ATI Card Recommendation (Message 62957) Posted 5 Jan 2015 by noderaser Post: Although many GPUs are less power-hungry than their manufacturers claim (my entire system with an R9 280X rarely draws more than 300W, though it's recommended you use it with a 600 W or more power supply) you should still make sure you have a power supply up to the task, lest it go up in smoke.
17) Message boards : Number crunching : Getting work units (Message 62758) Posted 1 Dec 2014 by noderaser Post: "Don't need" typically means that BOINC has enough work to meet your preferences at the time, although there are some cases where this can happen in error.
18) Message boards : Number crunching : Not getting enough Workunits (Message 62667) Posted 7 Nov 2014 by noderaser Post: I know it's probably not the solution you're looking for, but it's always a good idea to have a couple backup projects to get you through the times when tasks are scarce, whether that's due to high traffic, server problems, etc...
19) Message boards : Number crunching : Milkyway@Home preventing other applications from running (Message 62647) Posted 30 Oct 2014 by noderaser Post: I don't know for sure (and every project is a little different) but I think BOINC credit is something like work done times the time it took equals how much credit. (the exceptions are projects like Bitcoin Utopia that give out way too much credit) Because credit is usually based on how much work is done, BOINC might be trying to use that to give an equal amount of scientific data to each project, which is different from just giving the same amount of processing time. http://boinc.berkeley.edu/wiki/Computation_credit It should average out to credit distribution, but there are a lot of factors that affect it, such as work dry spells, changing priorities and preferences, etc. BOINC will do the best it can, but I doubt anybody gets a perfect distribution unless they've not touched anything since installing BOINC.
20) Message boards : Number crunching : run multiple wu's on r9 280x (Message 62633) Posted 27 Oct 2014 by noderaser Post: I don't think it's currently possible to run multiple tasks on a single GPU... At least, not with the current BOINC software capabilities. Is there any particular reason you want to?

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