Immediate computation error on Zotac GTX 770
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Profile James Lee*
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Message 23890 - Posted: 23 Feb 2017, 22:16:00 UTC
Last modified: 23 Feb 2017, 22:19:03 UTC

Just received the GPU and I used the drivers that came with it. Then tried 341, and now on 378.49. Is there a specific driver? I have tried with and without using a config file.

I can run other projects just fine. Only Collatz is giving me fits.
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Message 23891 - Posted: 24 Feb 2017, 12:24:35 UTC - in response to Message 23890.

Just received the GPU and I used the drivers that came with it. Then tried 341, and now on 378.49. Is there a specific driver? I have tried with and without using a config file.

I can run other projects just fine. Only Collatz is giving me fits.


I have a GTX 760 and it works just fine using no config file and driver 378.49, did you go thru the stuff on the Collatz home page under System Requirements and load the Visual Studio runtime etc?

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Message 23892 - Posted: 24 Feb 2017, 13:24:33 UTC

https://www.microsoft.com/en-us/download/details.aspx?id=30679

Install both 32bit and 64 Bit run-times and all will work.
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Profile James Lee*
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Message 23893 - Posted: 24 Feb 2017, 13:28:15 UTC

MIkey.. Thank you! That was all it was. I had completely forgotten about the C++ runtime needed. Time to buy more memory juice - if I don't forget. lol
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Message 23895 - Posted: 25 Feb 2017, 12:01:47 UTC - in response to Message 23893.

MIkey.. Thank you! That was all it was. I had completely forgotten about the C++ runtime needed. Time to buy more memory juice - if I don't forget. lol


No problem, it's pretty common to need that stuff and forget about it when we just want to crunch.

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Message 24019 - Posted: 27 May 2017, 16:42:37 UTC - in response to Message 23892.
Last modified: 27 May 2017, 17:12:58 UTC

https://www.microsoft.com/en-us/download/details.aspx?id=30679

Install both 32bit and 64 Bit run-times and all will work.


"We're sorry, this download is no longer available."

Thanks so much, Microsoft. Home page still gives this link as well...

Stupid question? Why not statically link the executable? Do away with this requirement? I found the 2013 and 2015 runtimes and downloaded them, no joy. Can't find the 2012 one on MS site, they continually link to the same 'removed' page.

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Message 24037 - Posted: 5 Jun 2017, 14:18:00 UTC

bump

Profile BarryAZ
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Message 24040 - Posted: 5 Jun 2017, 23:46:18 UTC - in response to Message 24037.

Yup -- I get that Microsoft - no longer available -- perhaps one of these days Microsoft will get a clue regarding how to maintain their download site <sigh>

One can track down the files on the web -- but going to Microsoft's download page SHOULD be the way to do this.

That being said, I've encountered the SAME issue with reinstall of a Win 7 professional system -- and this after doing the a clean resinstall of the C++ stuff -- 2013 and/or 2017.

Not sure what is going on here.

Perhaps after deploying the full set of post SP1 updates to Win 7 things will work again.

Like you for me it is specifically Collatz.
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Message 24041 - Posted: 5 Jun 2017, 23:52:54 UTC - in response to Message 24037.

Here is the link for the 2015 C++ from the Microsoft site:

https://www.microsoft.com/en-us/download/details.aspx?id=52685
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Message 24043 - Posted: 6 Jun 2017, 2:25:03 UTC - in response to Message 24041.

Thanks! Will try it now, have 2 PCs that can't do Collatz that were working before some MS update...

This needs to replace the incorrect link on the home page!

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Message 24044 - Posted: 6 Jun 2017, 3:20:40 UTC - in response to Message 24043.

I suspect those were Windows 10 updates -- Windows 10 is evil stuff -- I though Win 8.1 was bad but Win 10 makes it look mellow.

I have decided that I have one workstation which will never run Collatz again.

It is now running Windows 7.0 SP1 fully patched, latest nvidia driver, 2015 C++, and BOINC 7.6.33

I did the full uninstall of C++, the nvidia drivers, BOINC -- a few times.

All give the same immediate computation error with Collatz -- and only with Collatz.

I shifted out a card between two systems -- the one which Collatz won't run on now has the GTX 750 -- I sent the GTX 1050ti to the other system.

I figure I'm done with fiddling on the system at this point -- no options available.

Perhaps someone will look at this thread and offer some other magic bullet.
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Message 24045 - Posted: 6 Jun 2017, 8:15:41 UTC - in response to Message 24044.

I suspect those were Windows 10 updates -- Windows 10 is evil stuff -- I though Win 8.1 was bad but Win 10 makes it look mellow.


Yep! Although from a UI standpoint, Win 10 is better IMHO. But I've reinstalled GPU drivers MULTIPLE times on multiple systems when MS "decides they don't like what I'm running" and give me no choice on what I want them to do. Apple is looking better and better... (I'd say Linux, but the UI is still FAR from "user friendly" - and I've been playing with it off and on for 15 years now, several distros.) Oh, for the days when we had a dozen OSes to choose from, and the competition kept everybody "improving for the user" instead of "improving for the seller". (Amiga anyone? CP/M? Atari? MPE? VMS? PICK?? ALL had good points, now gone...)

On this issue: One host installed no problem, don't know yet if it worked, in the middle of a Genefer 22. (Host 468371, GTX 780).

Other host refused to install, said a newer version was already there. (# 468374, GTX 950). Deleted existing version, then successfully installed... no joy. Instant computation error.

I have decided that I have one workstation which will never run Collatz again.


I had a system that randomly powered down. Every few minutes or hours. Swapped PS, case power switch, updated BIOS, looked for micro-cracks in MB, bad solder joints, cooling problems, reseated (and tested) RAM and GPU, disassembled and reassembled more times than I can count, swapped HD's and installed Win10 fresh. Finally, just before breaking down and buying a new MB, tried "percussive debugging" - (picked it up six inches and dropped it on the floor). Stupid thing hasn't failed again yet. Collatz RAC 528,569.43, running in third or fourth GPU project priority. Guess I scared it. (DO NOT TRY THIS AT HOME! For professionals only...)

Perhaps someone will look at this thread and offer some other magic bullet.


Two of my four that "can" run Collatz are, one maybe, one no. Good enough, I guess, Collatz isn't one of my high-priority projects. The "magic bullet" is to do what all the OTHER projects do (eventually, after enough complaints, instead of putting a requirement on the home page and leaving it to us...[except of course LHC and LHC-dev, but they have an excuse of sorts; their poor design up front requires VirtualBox]) and static-link the library when they compile the application instead of requiring individual pieces (Linux-like) to be on every volunteer's computers, configured correctly, and redone every so often...

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Message 24061 - Posted: 12 Jun 2017, 4:26:35 UTC - in response to Message 24045.

OK, I appear to have solved the problem on my miscreant workstation.

For whatever reasons, one specifically needs the 2012 C++ redistributable.

Also for whatever reasons, that puppy is not available from Microsoft or nearly any other site.

I tracked down the files 32 bit and 64 bit.

I then uninstalled the 2013 redistributables (which the current nvidia drivers install) as you can not install an older version with newer iterations installed.

I then installed the 2012 c++ pair and voila Collatz now runs -- it is 4 minutes into an 80 minute run for a GTX 750ti

As I understand it, I can install newer versions of the C++ redistributable.

My **guess** is that the code in Collatz specifically needs to find the 2012 version to be happy.

I suspect that a rewrite of the collatz code to live with newer installed versions when 2012 is not found would be a more global solution since Microsoft has made the 2012 version unavailable.

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Message 24065 - Posted: 12 Jun 2017, 21:09:32 UTC - in response to Message 24061.

One of the other issues presented by the seeming requirement of the specific C++ 2012 version is the implication for any people seeking to join the project or add new workstations.

It won't be an issue for me as I have carefully saved off the 2012 C++ files on my server.

But it seems absent a recode which removes the specific version dependency, folks are going to be frustrated in their efforts to add new workstations.
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Message 24066 - Posted: 13 Jun 2017, 1:44:49 UTC - in response to Message 24065.

One of the other issues presented by the seeming requirement of the specific C++ 2012 version is the implication for any people seeking to join the project or add new workstations.

It won't be an issue for me as I have carefully saved off the 2012 C++ files on my server.

But it seems absent a recode which removes the specific version dependency, folks are going to be frustrated in their efforts to add new workstations.


Yes I agree, maybe the Admin can make it look for it and load it if it's missing on your pc when someone signs up for the Project instead of a complete rewrite.

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Message 24067 - Posted: 13 Jun 2017, 4:41:50 UTC - in response to Message 24066.

Yeah -- or alternatively, update the home page here to provide an active download link (which won't be a Microsoft site unfortunately).

Microsoft didn't version name their code for this so the files are vc_redist_x64 and vcredist_x86.

One could search specifically for the 2012 versions of these files. There are a number of sites which suggest they have them....

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Message 24068 - Posted: 13 Jun 2017, 14:18:14 UTC - in response to Message 24067.

Yeah -- or alternatively, update the home page here to provide an active download link (which won't be a Microsoft site unfortunately).

Microsoft didn't version name their code for this so the files are vc_redist_x64 and vcredist_x86.

One could search specifically for the 2012 versions of these files. There are a number of sites which suggest they have them....


Since as you say they are required to crunch here they could even be put on the Collatz set of hard drives and downloaded directly from here too, no more links, good or bad, and no more finding it on your own.

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Message 24069 - Posted: 13 Jun 2017, 21:51:59 UTC - in response to Message 24068.

Mikey -- indeed -- although as we know, Collatz is a one person shop and so this sort of thing might be something of a burden.

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Message 24070 - Posted: 14 Jun 2017, 2:50:37 UTC

I have asked Jon to look into this as hosting the files that MS dropped on the link seems the only solution. Not sure if updating to 2015 would be a good move or maybe moving off MS C into open source C solutions but I hope he will provide a solution soon.
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Message 24071 - Posted: 14 Jun 2017, 12:54:41 UTC - in response to Message 24070.

I have asked Jon to look into this as hosting the files that MS dropped on the link seems the only solution. Not sure if updating to 2015 would be a good move or maybe moving off MS C into open source C solutions but I hope he will provide a solution soon.


Thanks! Getting and keeping new people is essential for all projects, making it hard for them to stay won't keep a project up and running for long.

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