Posts by Ageless


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21) Message boards : Number crunching : How to limit size of job_log_setiathome.berkeley.edu.txt (Message 1600958)
Posted 9 days ago by Profile Ageless
I can see this would be a problem on Boinc for Android, as not all devices there have multiple gigabytes of room to spare. The other where it might be a problem is on devices as the Parallella, Raspberry Pi, etc.
22) Questions and Answers : GPU applications : Not downloading GPU wu's for my GTX 260's (Message 1600951)
Posted 9 days ago by Profile Ageless
When checking the project preferences, have you checked that it says "Use Nvidia GPU"? If not, enjoy your preference accordingly. Make sure they are for the correct venue/location that your computer is set for: home.
23) Message boards : Number crunching : How to limit size of job_log_setiathome.berkeley.edu.txt (Message 1600890)
Posted 9 days ago by Profile Ageless
If you don't want to keep it, you can delete it.
If you want to keep it, you can also compress it.

In either case, exit Boinc before doing so, then restart it afterwards. The file will be remade from zero.
24) Message boards : Number crunching : BOINC 7.4.27? (Message 1600172)
Posted 11 days ago by Profile Ageless
Download BOINC for Linux x64 (3.25 MB) BOINC 7.2.42

Forwarded that to development. I think it's because of the problem with wxwidgets 3.0.1 not working on all systems, or perhaps they forgot to add 7.4.25 (which is the Linux version) to the download link.
25) Message boards : Number crunching : BOINC 7.4.27? (Message 1600169)
Posted 11 days ago by Profile Ageless
7.4.27 allows graphics on GPU crunching!!! ...however, Einstein's screensaver just came up for me. It shocked me when I saw it!!! I thought I was hallucinating!!!

This isn't something that 7.4.27 does specifically, it's a function in the science application itself, whether or not it can work together with a simultaneously sent graphics app. Einstein has been sending out graphics applications with all their GPU applications since March 2011, so it's not something awfully new.

Seti doesn't have it yet. They'll look into it for the Seti v8 applications.
26) Message boards : Number crunching : why no graphics/screensaver for v7 7.03 (opencl_intel_gpu_sah) files? (Message 1599578)
Posted 12 days ago by Profile Ageless
Note that the transition from SETI@home Enhanced to SETI@home v7 did not add any graphics display for the Autocorr search. I've not seen any complaints about that, perhaps those who like to watch the graphics are less interested in what the program is finding than the raw display of the output of the FFTs in the lower part.

Funny that, you're posting in a thread in which the OP asks why there is no screensaver/graphics for 7.03 on the Intel GPU. There are still plenty of people asking every now and then why they do have work but their screen saver is showing only BOINC images. It's not like they went away since v7 of everything was released.

Something comes to mind by the way, I see that the OP is specifically asking about the graphics/screen saver on an Intel GPU. These do tend to lose the bottom part of the graphics, because of what appears to be a problem with the OpenGL module in the drivers that Intel have released. Perhaps that that was his question and we've now totally gone off topic without answering him on that.
27) Message boards : Number crunching : why no graphics/screensaver for v7 7.03 (opencl_intel_gpu_sah) files? (Message 1599431)
Posted 13 days ago by Profile Ageless
OpenCL - OpenGL interoperability may come into play, but it's separate field to study, not connected with computations at all.

OpenCL uses the same hardware device components as OpenGL, it's just a different language for programming. So there will be a small hit on the calculation speed of the GPU when it also shows graphics. But then that's up to the user to decide if he minds that or not.

CUDA and OpenGL can interact with each other. An example of that: http://http.developer.nvidia.com/GPUGems3/gpugems3_ch31.html (take a night off to read that, it doesn't read easily).
28) Message boards : Number crunching : why no graphics/screensaver for v7 7.03 (opencl_intel_gpu_sah) files? (Message 1599386)
Posted 13 days ago by Profile Ageless
So the main reason for no screensavers being available in the GPU applications is that they would take significant development effort to produce in any efficient form, and the priority for the developers concerned has been to focus on the primary search for ET.

Development effort on code that's already freely available in the source code? Seeing how the stock CPU apps have the graphics application (and thus screen saver), and that these apps have the same source code as the GPU apps, that's a bold thing to state. Do you want to claim next it's difficult to add? :P
29) Message boards : Number crunching : why no graphics/screensaver for v7 7.03 (opencl_intel_gpu_sah) files? (Message 1599359)
Posted 13 days ago by Profile Ageless
I asked why the original CUDA apps didn't come with a graphics app, and here's what David answered me:
At one point the main app updated the shared-mem structures used by the graphics app even if no graphics app is running. This imposed a small but significant overhead.
I believe this is fixed, and it should be possible to release a version that includes a graphics app without impacting performance if the graphics app doesn't run.
30) Message boards : Number crunching : why no graphics/screensaver for v7 7.03 (opencl_intel_gpu_sah) files? (Message 1599339)
Posted 13 days ago by Profile Ageless
Other than claims on these forums (and for the moment still in my BOINC FAQs - but those are being rewritten) there is no one out there who says that running 2D or 3D graphics together with CUDA and OpenCL slows down the calculations being done.

When looking at the CUDA page at Nvidia, they have a lot of applications that use CUDA to do all kinds of things, including Folding@Home which does the calculations plus real time rendering output of what it is being calculating. Nvidia even has some CUDA screen savers.

Then there's this thing where people here run stock applications on their CPU, which do have the graphics application and they run the screen saver with that, while then doing work on their GPU without that work slowing down too much. Since BOINC is still set by default to only use the processors available when the system is idle, I don't see why a project would mind if their work came in a bit later when people also used a screen saver. Added to that, it does not explain why an application running on the stock GPU doesn't have the graphics app. One won't be forced to run with the graphics or screen saver, but if one wants to one should be able to.

On an optimized application you might not want a screen saver because of the credit hunger. But on the stock application it should just be available.
Otherwise, also tell people not to use their system when they run work, for rendering the desktop and anything that is being done on it will then slow down the processing. If you're worried about a couple of polygons in OpenGL taking up some cycles, you should be extremely worried about DirectX 3D rendering a full Aero desktop while moving around full open windows.
31) Questions and Answers : Wish list : Auto-update / refresh of main index page. (Message 1599278)
Posted 13 days ago by Profile Ageless
In comparison, PrimeGrid has such a feature built into their main index page and my suggestion is that this should be implemented here as well.

Primegrid doesn't auto-refresh any of its indexes on my browser (Pale Moon 25.0.2 (x64)). It's even using older forum software, without pages in threads. A feature available since 2012.

But the thing of reloading is easily solved: instead of using the back button, click e.g. the Number Crunching link top or bottom of the thread you're in (depending, that it isn't a 592 posts thread without pages and you're in the middle of it, and that you're in a thread in the Number Crunching forum).
32) Message boards : Number crunching : @Pre-FERMI nVidia GPU users: Important warning (Message 1599028)
Posted 14 days ago by Profile Ageless
About terminology:
The only reason I had a video card with a GPU was to use it for SETI.

Every videocard and videochip out there has or is a GPU. This abbreviation stands for graphics processing unit and is used to render anything on the monitor. Without a GPU, no images on the screen, not 2D and not 3D.

So a GPU is not something awfully new.

The awfully new thing about these is that since a couple of years they've become so powerful that they can be used for doing calculations or their own. This in general is called a GPGPU, or general purpose computing on graphics processing units.
33) Questions and Answers : Getting started : how to delete a post in a thread? (Message 1599001)
Posted 14 days ago by Profile Ageless
Click on the image below that post, the moderation window will come up. Ask in it that the moderators hide your post. Do this on the actual post, not here.

Just stating which post number it is about isn't helpful without also knowing which thread it's in.
34) Questions and Answers : Windows : CPU cores Actual vs Virtual (Message 1598988)
Posted 14 days ago by Profile Ageless
Also some other thing, the advice to run 100% CPU cores at 100% usage with not much impact would only be true for Seti. I see you also run Einstein BRP4s, which run predominantly on the CPU and only run partially on the GPU. There it is best to keep one CPU core free (run 99% of CPU cores at 100% usage), to be able to run these tasks at fast paced speeds.

Apropos, the "On multiprocessors, use at most X% of the processors" value is an integer. This means that you don't have to set an exact number to tell BOINC how many cores to use. On an 8 core that means that 100% means all cores, 88-99% means 7 cores, 75-87% means 6 cores, 63-74% means 5 cores, 50-62% means 4 cores, 38-49% means 3 cores, 25-37% means 2 cores, 13-24% means 1 core and any number below that means no cores.
35) Questions and Answers : GPU applications : display driver has failed and restarted error (Message 1598147)
Posted 16 days ago by Profile Ageless
I see you're ujsing stock applicatgions. Instead you could opt for running optimized "Lunatics" applications on that GPU. I run them on my HD7870, rock stable.

For more info and download details, see this thread.
36) Questions and Answers : GPU applications : display driver has failed and restarted error (Message 1598125)
Posted 16 days ago by Profile Ageless
You don't want to know how much AMD's "remove everything" option leaves behind, mostly in the system32 folder and the registry.
37) Questions and Answers : Macintosh : ATI tasks not available (Message 1598065)
Posted 16 days ago by Profile Ageless
Looking at the application list the only application for the Mac capable of running on AMD/ATI is Astropulse. These tasks are not always available, they are split from the same disks that the Multibeam tasks are split from, but because of their size, there are less Astropulse made from each data disk than there are Multibeam.

Therefore once all Astropulse are split and sent out to computers, there's a while that only Multibeam tasks are split and sent. Until new data disks are loaded and Astropulse are split again from those.
38) Questions and Answers : GPU applications : display driver has failed and restarted error (Message 1598015)
Posted 16 days ago by Profile Ageless
even with a clean reinstall

How do you do a clean reinstall of the drivers? Do you clean out the remnants of the old drivers before installing the new drivers?
39) Message boards : Number crunching : Panic Mode On (91) Server Problems? (Message 1597834)
Posted 17 days ago by Profile Ageless
That said, it does look like the RSS feed and the News forum don't match up. I'll fire David a note. Never hurts to check.


Yes, this is what I was referring to in my post. FWIW, they updated the news on the home page today, and it is still not reflected in the forum or the RSS feed.

David Anderson wrote:
rss_main.php only returns things newer than 30 days.

The "broken upload server" item is actually not a forum post.
S@h has a separate, file-based mechanism for temporary stuff like that.
Such items don't appear in RSS feeds.

It's not a notice because it's not a condition that
volunteers can fix, and it's not of interest to most volunteers.
40) Questions and Answers : GPU applications : display driver has failed and restarted error (Message 1597703)
Posted 17 days ago by Profile Ageless
(I'm not sure cASe mattERs but it's best to Copy/Paste it from Microsoft article: TdrDelay TdrLevel)

In the Windows registry case and correct spelling matters.


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