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ACisnero210
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Message 898548 - Posted 23 May 2009 5:16:58 UTC

    I'm looking for help in understanding how to choose and install an appropriate optimized version of seti@home for my machine. In the past, before BOINC, I was able to run a command line version completely hidden. Is this possible nowadays? If not, how can I improve my numbers? I'd also like to thank the folks who have already replied to my posts.

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    Message 898550 - Posted 23 May 2009 5:32:09 UTC - in response to Message 898548.

      Last modified: 23 May 2009 5:37:30 UTC

      The command line program increased speed because Windows 95 and Windows 98 were simply shell programs running on top of DOS 7 and DOS 7.10 respectively, and therefore more speed was gained through running under DOS.

      The Windows NT series, including Windows 2000, XP, Vista and Windows 7 all have a "DOS shell", but it is not the real DOS, and therefore the raw power provided by the original DOS is not there anymore.

      The closest you can get is to install BOINC as a system service (a.k.a. "Protected Mode" in BOINC v6.x) and not run the BOINC Manager at startup, but that will not net you very much of a performance boost since the BOINC Manager consumes very little CPU time (the CPU is only used when the BOINC Manager window is opened, and even less when run in the system tray).

      As for the optimized application, things are getting much easier these days. First, you should run CPU-Z to determine the maximum capability of your CPU (i.e. what's the highest level SSE instruction set supported by your CPU), then download the 32bit Unified Installer from Lunatics here, run it and select the appropriate options discovered when running CPU-Z. Reboot and all should be well.
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      ACisnero210
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      Message 898559 - Posted 23 May 2009 6:25:45 UTC - in response to Message 898550.

        I went ahead and downloaded the Unified Installer from Lunatics and set it up according to the informatin provided by CPU-Z. The first thing I noticed after I rebooted my machine is that my CUDA WU's time to completion jumped from two hours forty minutes to just about eleven hours. I'm not sure if I should be concerned about this though. I will let it run for a bit and see what happens. Thanks again OzzFan. You my friend are on the ball. I'm not sure how you keep up with everything to be honest with you.

        ACisnero210
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        Message 898668 - Posted 23 May 2009 15:16:49 UTC - in response to Message 898559.

          So I woke up this morning and noticed that my machine crunched several WU's in just 6 hours. I also noticed that they did not reflect in my RAC in any way and aren't in the "Pending" list. When I look at the number of tasks assigned to my machine according to the SETI@Home website, it still shows 193 (same as last nigt when I went to bed) despite the fact that my machine downloaded 40+ work units this morning. Running WU's quicker is nice but I would also like to see the numbers for it.

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          Message 898670 - Posted 23 May 2009 15:35:50 UTC - in response to Message 898668.

            The replica database server that is taking care of showing tasks and credit is offline. You'll have to wait for it to come back on line.
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            Message 898675 - Posted 23 May 2009 16:04:44 UTC - in response to Message 898670.

              The replica database server that is taking care of showing tasks and credit is offline. You'll have to wait for it to come back on line.

              Shouldn't there be some notice about that when viewing those pages?

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              Message 902284 - Posted 1 Jun 2009 2:26:07 UTC - in response to Message 898675.

                Last modified: 1 Jun 2009 2:26:51 UTC

                I have systems with dual NVIDIA FX5200 graphics cards, can I run an optimized ap and get WU for both graphics adapters? Will any NVIDIA card work or is there a prefered model for best performance?
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                Message 902290 - Posted 1 Jun 2009 2:51:38 UTC - in response to Message 898675.

                  The replica database server that is taking care of showing tasks and credit is offline. You'll have to wait for it to come back on line.

                  Shouldn't there be some notice about that when viewing those pages?


                  There probably should be, but it isn't automated and requires one of the Admins to add it to the front page. It won't show on the actual Pending View pages though.

                  You can also check for yourself by clicking the link on the front page that says "Server Status".
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                  Message 902292 - Posted 1 Jun 2009 2:52:39 UTC - in response to Message 902284.

                    I have systems with dual NVIDIA FX5200 graphics cards, can I run an optimized ap and get WU for both graphics adapters? Will any NVIDIA card work or is there a prefered model for best performance?


                    As long as you don't run them in SLI mode, I believe Raistmer's optimized CUDA app will work.

                    I believe the minimum requirement for CUDA is any nVidia 8000 series chip or newer.
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                    Message 902481 - Posted 1 Jun 2009 13:58:12 UTC

                      Last modified: 1 Jun 2009 13:58:37 UTC

                      Sorry, but the FX 5200 isn't on the list of Cuda capable cards. http://www.nvidia.com/object/cuda_learn_products.html
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                      Mike46360
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                      Message 902526 - Posted 1 Jun 2009 17:23:57 UTC

                        Wait..so there's a optimized Seti app for us GPU folders? Link?

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                        Message 902546 - Posted 1 Jun 2009 18:46:39 UTC - in response to Message 902526.

                          Raistmers app helps eliminate teh VLAR WU's that are slow to process on CUDA cards. It also does something with multiple CUDA cards which escapes me at the moment.
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                          Message 902547 - Posted 1 Jun 2009 18:48:12 UTC - in response to Message 902526.

                            Wait..so there's a optimized Seti app for us GPU folders? Link?


                            If you're going to use optimized CUDA, you may as well use optimized apps for the CPU as well. You should try using the new Unified Installer which makes it easy to install all the apps without fiddling with the app_info.xml file. The Unified Installer is on my BOINC page (link is in my sig, "BOINC & SETI Repository"). Make sure you use the right one for 32bit or 64bit.
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                            Message 902551 - Posted 1 Jun 2009 19:01:41 UTC

                              Last modified: 1 Jun 2009 19:22:09 UTC

                              Okay..I looked at your site and I'm confused as to which one I need..I don't run the CPU WU's on the GPU cruncher I have..but I also don't want to go fiddling around with xml files or what not.

                              I'm sure there is a guide somewhere for this?

                              EDIT: I believe I found it..but I selected all 3 for it to install ..being that I thought you could control what your computer crunches in my Seti control menu on the site here?

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                              Message 902561 - Posted 1 Jun 2009 19:37:10 UTC - in response to Message 902551.

                                Okay..I looked at your site and I'm confused as to which one I need..I don't run the CPU WU's on the GPU cruncher I have..but I also don't want to go fiddling around with xml files or what not.


                                I didn't know you were doing GPU-only crunching. In that case, you probably could have select the CUDA app only in the installer and it would have been OK.

                                I'm sure there is a guide somewhere for this?


                                Over in Number Crunching there's a confusing guide! :)

                                EDIT: I believe I found it..but I selected all 3 for it to install ..being that I thought you could control what your computer crunches in my Seti control menu on the site here?


                                They complement each other. For instance, I have a machine that I've installed the optimized SETI app onto, but left the web preferences to accept AP, but it will never get AP because the app_info.xml file overrides the web preferences. You'll get a message in red on your Messages tab stating that you don't have a compatible AP app installed, but its a harmless message.

                                The opposite is also true, if you install optimized apps for all three but your preferences do not allow for SETI CPU or AP, then you will not get them.

                                Basically, in my MCSA classes, we called this "the rule of most restrictive between two settings is honored".
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                                Message 902570 - Posted 1 Jun 2009 20:10:28 UTC

                                  Is there a way to delete the optimized clients I downloaded and try re-downloading to only select the Cuda optimized app?

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                                  Message 902580 - Posted 1 Jun 2009 20:31:26 UTC - in response to Message 902570.

                                    Re-running the installer and changing your options will remove the apps you don't want.
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                                    Message 902614 - Posted 1 Jun 2009 22:07:50 UTC

                                      Okay, I'm not really noticing any improvement and some WUs are getting computation errors..

                                      How do I go back to just the regular Seti Cuda app?

                                      Thanks for your help btw

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                                      Message 902628 - Posted 1 Jun 2009 22:26:38 UTC - in response to Message 902614.

                                        Last modified: 1 Jun 2009 22:28:10 UTC

                                        Okay, I'm not really noticing any improvement and some WUs are getting computation errors...

                                        Yes, but they are intentional!!! They kill the VLARs (Task 1245862512):
                                        <stderr_txt>

                                        VLAR WU (AR: 0.011156 )detected... autokill initialised
                                        SETI@home error -6 Bad workunit header

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                                        Message 902630 - Posted 1 Jun 2009 22:29:52 UTC - in response to Message 902614.

                                          Since BOINC does not show GPU time, you won't notice an improvement if you're watching the estimated time to completion metric. You'd have to wait and see you're RAC increase in the long run.

                                          As a note that I probably should have mentioned, but the optimized CUDA app forces an error on all VLAR CUDA workunits that are the most intensive (which usually cause screen stuttering on many machines).

                                          At any rate, if you don't want to use the optimized app, all you need to do is remove the app_info.xml file in the proper directory, and where that director is located depends on the OS and BOINC version being used. The folders are usually hidden by default, so you won't be able to find them by browsing to them.

                                          For BOINC v6.x under Windows XP:

                                          C:\Documents and Settings\All Users\Application Data\BOINC\projects\setiathome.berkeley.edu

                                          For BOINC v6.x under Windows Vista:

                                          C:\ProgramData\BOINC\projects\setiathome.berkeley.edu

                                          For BOINC v5, all OSes:

                                          C:\Program Files\BOINC\projects\setiathome.berkeley.edu

                                          For BOINC v5 32bit on a 64bit OS:

                                          C:\Program Files (x86)\BOINC\projects\setiathome.berkeley.edu
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                                          Message 902635 - Posted 1 Jun 2009 22:32:24 UTC

                                            Last modified: 1 Jun 2009 22:34:31 UTC

                                            What does VLAR mean?

                                            I'm still only seeing a couple minutes of improvement, and if they are going to be erroring out like that, there's really no need for the optimized app.

                                            I'm also seeing that it will start a WU, run it for a bit then go to the next WU, I seen this on the regular Seti app, but it seems to be happening more on the optimized app?

                                            I think I'll just go back to the regular Seti Cuda..

                                            Edit: Okay you just typed that up while I typed mine, so I'll give that a go.

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                                            Message 902641 - Posted 1 Jun 2009 22:43:00 UTC - in response to Message 902635.

                                              What does VLAR mean?

                                              Very Low Angle Range

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                                              Message 902664 - Posted 1 Jun 2009 23:51:42 UTC

                                                Last modified: 1 Jun 2009 23:54:38 UTC

                                                The optimized CUDA software was written to rejects VLAR WU because they take excessive time to process on CUDA compared to other angle ranges.

                                                Upgrade the new Boinc V6.6.31 and that should reduce the CUDA WU switching.
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                                                Message 902754 - Posted 2 Jun 2009 3:18:16 UTC - in response to Message 902664.



                                                  Upgrade the new Boinc V6.6.31 and that should reduce the CUDA WU switching.




                                                  Nope.

                                                  This is getting a little silly..

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                                                  Message 903417 - Posted 4 Jun 2009 1:29:54 UTC

                                                    I'm going to go ahead and try the optimized app again and see how my RAC goes..but I just thought of this..if the optimized app can't crunch some WU's why does it bother asking for them from the Seti server? Seems like a complete waste of resources..

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                                                    Message 903424 - Posted 4 Jun 2009 1:41:53 UTC - in response to Message 903417.

                                                      I'm going to go ahead and try the optimized app again and see how my RAC goes..but I just thought of this..if the optimized app can't crunch some WU's why does it bother asking for them from the Seti server? Seems like a complete waste of resources..


                                                      Because there's no way to specify what type of WUs to download from the server other than the two basic choices: MultiBeam or AstroPulse. Since AP cannot be crunched on the GPU (yet), you only have one choice: MultiBeam.
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                                                      Message 903428 - Posted 4 Jun 2009 1:54:52 UTC

                                                        I suppose there's no ETA on the optimized AP app?

                                                        btw- this should be a sticky in the Cuda forum..some good info in here for a n00b to get started on using the optimized app.

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                                                        Message 903430 - Posted 4 Jun 2009 2:05:56 UTC - in response to Message 903428.

                                                          As far as I'm aware, there's no ETA yet. An official AP app for CUDA hasn't even been released at this point.
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                                                          Message 905278 - Posted 8 Jun 2009 19:41:45 UTC

                                                            Okay, I'm stuck..

                                                            Trying to get the optimized app on this new machine I just got..

                                                            Its running XP Pro sp3 and under C:\Documents and Settings\All Users there is no "Application Data" folder, but when I try to make one there it says it can't make it because it already exists? But I can't seem to find it?

                                                            I can only find Boinc in the Program Files folder and projects folder is not in there.. this happened to me on my older computer to, but ended up giving up on that one.

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                                                            Message 905280 - Posted 8 Jun 2009 20:06:17 UTC

                                                              rt click on the start button then tools/folder options/view/hidden file and folders/show hidden files and folders click ok and close. yous should be able to see the folder now
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                                                              Message 905282 - Posted 8 Jun 2009 20:15:38 UTC

                                                                Hm..tried doing what you said right click start button and tools was not there? I just found a different way though..in the window of Documents and Settings, I clicked on Tools/Folder Options and found it there to unlock all folders..

                                                                I thought that was already disabled in XP..guess not

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                                                                Message 905293 - Posted 8 Jun 2009 21:19:05 UTC - in response to Message 905282.

                                                                  Hm..tried doing what you said right click start button and tools was not there? I just found a different way though..in the window of Documents and Settings, I clicked on Tools/Folder Options and found it there to unlock all folders..

                                                                  I thought that was already disabled in XP..guess not
                                                                  oopas my bad rt click then explore then follows with tools

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                                                                  Questions and Answers : Windows : Optimized Apps

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