NVIDIA GeForce GTX Titan

Message boards : Number crunching : NVIDIA GeForce GTX Titan

Author	Message
Sakletare Send message Joined: 18 May 99 Posts: 124 Credit: 17,108,382 RAC: 13,022	Message 1340978 - Posted: 26 Feb 2013, 9:03:23 UTC - in response to Message 1340748.
	if someone buy one please share with us the test results, i'm considering of buying one or GTX 690. Thanks If I were to choose between 690 and Titan I'd go with Titan for SETI purposes. Titan is geared more towards computation while 690 scores better for gaming. But they are both very pricey and keeping either one fed with work would be a pain. I'm not sure it's worth it.
	ID: 1340978 · Reply Quote

Mike Davis Volunteer tester Send message Joined: 17 May 99 Posts: 203 Credit: 4,488,331 RAC: 8,809	Message 1341123 - Posted: 27 Feb 2013, 0:59:21 UTC
	http://www.overclockers.co.uk/productlist.php?groupid=701&catid=1914&subid=1576&sortby=priceDesc Gigabyte eta on there is the 27th Feb so later today Asus is 28th Both EVGA 15th March OCUK H2O version just says for preorder I wish I had enough to just blow some money on 1 or 2... ____________
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ExchangeMan Volunteer tester Send message Joined: 9 Jan 00 Posts: 67 Credit: 41,899,710 RAC: 212,304	Message 1341126 - Posted: 27 Feb 2013, 1:12:48 UTC - in response to Message 1340978.
	if someone buy one please share with us the test results, i'm considering of buying one or GTX 690. Thanks If I were to choose between 690 and Titan I'd go with Titan for SETI purposes. Titan is geared more towards computation while 690 scores better for gaming. But they are both very pricey and keeping either one fed with work would be a pain. I'm not sure it's worth it. A Titan would turn around any individual work unit faster than a 690, but in terms of work units over time the 690 would crunch more (at least according to the numbers I've seen so far). GPU for GPU the Titan is faster but the 690 should win on throughput because of 2 GPUs with each being maybe 70% of a Titan GPU. Keeping either one of them fed would be challenging. ____________
	ID: 1341126 · Reply Quote

juan BFB Volunteer tester Send message Joined: 16 Mar 07 Posts: 2451 Credit: 152,925,658 RAC: 416,637	Message 1341136 - Posted: 27 Feb 2013, 3:15:34 UTC - in response to Message 1341126. Last modified: 27 Feb 2013, 3:15:53 UTC
	Keeping either one of them fed would be challenging. I agree 100%, I can´t even keep my 690 feeded, imagine a 2x780 host... ____________
	ID: 1341136 · Reply Quote

Vipin Palazhi Send message Joined: 29 Feb 08 Posts: 218 Credit: 74,177,751 RAC: 125,261	Message 1341141 - Posted: 27 Feb 2013, 3:31:30 UTC
	The Titan is available here for around $1035 including shipping and delivery. Not really sure if I want to get one of these, even if I had the money right now, given the status of work availability. Saw this video on youtube, an hour and a half long review of the card. ______________
	ID: 1341141 · Reply Quote

Richard Haselgrove Volunteer tester Send message Joined: 4 Jul 99 Posts: 7461 Credit: 39,734,983 RAC: 34,464	Message 1342377 - Posted: 2 Mar 2013, 15:03:22 UTC
	If anybody here gets a chance to test a Titan card, no matter how briefly, could they please check whether: 1) It still errors out all tasks run with the stock v6.10 'fermi' application 2) The 'CUDA_GRID_SIZE_COMPAT' environment variable workround still makes the stock app work again Thanks.
	ID: 1342377 · Reply Quote

ExchangeMan Volunteer tester Send message Joined: 9 Jan 00 Posts: 67 Credit: 41,899,710 RAC: 212,304	Message 1342424 - Posted: 2 Mar 2013, 17:24:01 UTC - in response to Message 1342377.
	If anybody here gets a chance to test a Titan card, no matter how briefly, could they please check whether: 1) It still errors out all tasks run with the stock v6.10 'fermi' application 2) The 'CUDA_GRID_SIZE_COMPAT' environment variable workround still makes the stock app work again Thanks. Hi Richard, I just took delivery of a Titan a couple of days ago and have it running. I'm using the 314.09 NVidia driver which is the launch driver for the Titan. As far as I know, this driver only works in the Titan, but EVGA tells me that an updated driver is on the way which will allow you to mix Titans and other NVidia GPUs in the same machine. I just removed this environment variable from the machine. It's a leftover from when I had a 690 in this machine. I believe that one of the 310.90 versions removed the need to have this environment variable. As for the stock 6.10 app, I don't even know where to get it. I'm running the optimized ZC version with Cuda 5.0. If you know where I can get the original stock app, I'll be glad to try it for you. ____________
	ID: 1342424 · Reply Quote

Richard Haselgrove Volunteer tester Send message Joined: 4 Jul 99 Posts: 7461 Credit: 39,734,983 RAC: 34,464	Message 1342428 - Posted: 2 Mar 2013, 17:49:22 UTC - in response to Message 1342424.
	I just removed this environment variable from the machine. It's a leftover from when I had a 690 in this machine. I believe that one of the 310.90 versions removed the need to have this environment variable. May I ask where you got that belief from? I was prompted to ask for the test by a message posted on another board by the owner of host 6922055 - that machine is running driver 310.90, and so far has trashed every cuda task in a way consistent with a missing environment variable. (I've drawn their attention to the sticky thread about workrounds, but I don't think they've been back to read the reply to their post yet) As for the stock 6.10 app, I don't even know where to get it. I'm running the optimized ZC version with Cuda 5.0. If you know where I can get the original stock app, I'll be glad to try it for you. If you wouldn't mind testing, I'll put together a package with the stock app, matching DLLs, and app_info stub - I'll PM you a with a download location a little later, when I've had time to make sure I've done it right.
	ID: 1342428 · Reply Quote

ExchangeMan Volunteer tester Send message Joined: 9 Jan 00 Posts: 67 Credit: 41,899,710 RAC: 212,304	Message 1342437 - Posted: 2 Mar 2013, 18:16:22 UTC - in response to Message 1342428.
	I just removed this environment variable from the machine. It's a leftover from when I had a 690 in this machine. I believe that one of the 310.90 versions removed the need to have this environment variable. May I ask where you got that belief from? I was prompted to ask for the test by a message posted on another board by the owner of host 6922055 - that machine is running driver 310.90, and so far has trashed every cuda task in a way consistent with a missing environment variable. (I've drawn their attention to the sticky thread about workrounds, but I don't think they've been back to read the reply to their post yet) As for the stock 6.10 app, I don't even know where to get it. I'm running the optimized ZC version with Cuda 5.0. If you know where I can get the original stock app, I'll be glad to try it for you. If you wouldn't mind testing, I'll put together a package with the stock app, matching DLLs, and app_info stub - I'll PM you a with a download location a little later, when I've had time to make sure I've done it right. Richard, maybe I'm a little mixed up but I've read so many posts and threads about this that I may very well be wrong. Anyway if you have a way of getting me a package of files for this app, I'll test it for you. I've got to be careful since I have a heavily modified app_info file and don't want to trash the existing work units. Thanks ____________
	ID: 1342437 · Reply Quote

Richard Haselgrove Volunteer tester Send message Joined: 4 Jul 99 Posts: 7461 Credit: 39,734,983 RAC: 34,464	Message 1342447 - Posted: 2 Mar 2013, 19:17:33 UTC - in response to Message 1342437.
	Anyway if you have a way of getting me a package of files for this app, I'll test it for you. I've got to be careful since I have a heavily modified app_info file and don't want to trash the existing work units. Thanks PM sent.
	ID: 1342447 · Reply Quote

_heinz Volunteer tester Send message Joined: 25 Feb 05 Posts: 680 Credit: 5,129,243 RAC: 327	Message 1342465 - Posted: 2 Mar 2013, 20:15:10 UTC
	Looking at the host GTX590 / Titan 433,50 / 527,20 x41g / x41zc, Cuda 5.00 wuid=1179732154 how many wu's at once they run ? once ? if so, results are not so impressed as I thought _heinz
	ID: 1342465 · Reply Quote

_heinz Volunteer tester Send message Joined: 25 Feb 05 Posts: 680 Credit: 5,129,243 RAC: 327	Message 1342484 - Posted: 2 Mar 2013, 21:37:47 UTC
	GTX470 / Titan 656,09 / 536,20 wuid=1179622789 looks like titan did not use its full resources.... _heinz
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ExchangeMan Volunteer tester Send message Joined: 9 Jan 00 Posts: 67 Credit: 41,899,710 RAC: 212,304	Message 1342563 - Posted: 3 Mar 2013, 0:46:35 UTC Last modified: 3 Mar 2013, 0:47:25 UTC
	OK guys, I ran some work units through the Titan to get some meaningful stats. Here's what I came up with. Scenario 1 - 1 task only. http://setiathome.berkeley.edu/result.php?resultid=2856244593 CPU time - 100.76, Run time - 338.33, AR - .383, credit - 111.64 Scenario 2 - 2 tasks at one time - both started at same time and finished within several seconds of each other. http://setiathome.berkeley.edu/result.php?resultid=2856244675 http://setiathome.berkeley.edu/result.php?resultid=2856244481 CPU time - 121.57, Run time - 513.60, AR - .383 - no credit yet CPU time - 122.62, Run time - 516.66, AR - .383 - credit - 141.85 At some point, I'll run 3 at a time but based on testing with Fred's tool you only gain a few more percent going to 3. I found this to be true on the 690s also. Going from 1 to 2 gains you 30% to 35% more throughput. Now, APs are another topic that I need to get some better information on. Edit: BTW, I ran this with x41zc and Cuda 5.0. ____________
	ID: 1342563 · Reply Quote

Filipe Send message Joined: 12 Aug 00 Posts: 72 Credit: 1,954,206 RAC: 6,422	Message 1342654 - Posted: 3 Mar 2013, 11:48:13 UTC
	what is your Gpu % rate of utilisation when running 2 wu at once? ____________
	ID: 1342654 · Reply Quote

juan BFB Volunteer tester Send message Joined: 16 Mar 07 Posts: 2451 Credit: 152,925,658 RAC: 416,637	Message 1342655 - Posted: 3 Mar 2013, 12:13:37 UTC
	Added some to my christmas wishes. ____________
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jason_gee Volunteer developer Volunteer tester Send message Joined: 24 Nov 06 Posts: 4048 Credit: 60,418,284 RAC: 58,067	Message 1342674 - Posted: 3 Mar 2013, 14:35:44 UTC - in response to Message 1342655.
	setiathome_CUDA: CUDA Device 1 specified, checking... Device 1: GeForce GTX TITAN is okay SETI@home using CUDA accelerated device GeForce GTX TITAN pulsefind: blocks per SM 4 (Fermi or newer default) pulsefind: periods per launch 100 (default) Priority of process set to BELOW_NORMAL (default) successfully Some suggested settings to see if it has some 'legs', would be at least 2 tasks at a time (preferably 3 or 4, for latency hiding purposes), and the following entries in mbcuda.cfg : [mbcuda] processpriority = abovenormal pfblockspersm = 15 ; maybe even 16, which is the max at the moment pfperiodsperlaunch = 200 ; maybe more... ____________ "It is not the strongest of the species that survives, nor the most intelligent that survives. It is the one that is the most adaptable to change." Charles Darwin
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ExchangeMan Volunteer tester Send message Joined: 9 Jan 00 Posts: 67 Credit: 41,899,710 RAC: 212,304	Message 1342782 - Posted: 3 Mar 2013, 20:06:01 UTC - in response to Message 1342674. Last modified: 3 Mar 2013, 20:41:38 UTC
	setiathome_CUDA: CUDA Device 1 specified, checking... Device 1: GeForce GTX TITAN is okay SETI@home using CUDA accelerated device GeForce GTX TITAN pulsefind: blocks per SM 4 (Fermi or newer default) pulsefind: periods per launch 100 (default) Priority of process set to BELOW_NORMAL (default) successfully Some suggested settings to see if it has some 'legs', would be at least 2 tasks at a time (preferably 3 or 4, for latency hiding purposes), and the following entries in mbcuda.cfg : [mbcuda] processpriority = abovenormal pfblockspersm = 15 ; maybe even 16, which is the max at the moment pfperiodsperlaunch = 200 ; maybe more... Thanks Jason for these suggestions. I experimented during the last few hours with varying some of these parameters using Fred's SetiPerf program. Running anywhere from 1 to 4 concurrent tasks resulted in little if any improvement. I know these changed parameters where being picked up by SetiPerf since I saw the change in process priority to above normal in task manager. And to a previous poster, with a single task running Precision X 4.0.0 shows 57% GPU usage. With 2 tasks, usage goes to 86% with spikes to 95%. 3 tasks puts usage at 98% and it stays there. One thing I should point out is that the machine the Titan is in at present is a Dell T7400 workstation. It's 5 years old and only has PCIe 2.0 slots. I don't think that makes much difference to Seti, but I'm not sure of any performance impacts. Eventually this GPU will be in a 3.0 machine. The problem I really got now is with AP. I keep getting the AP tasks to run a few seconds and then restart. They keep doing this until I suspend them. It keeps telling me to reset the project which I already did once and thinking about doing again - I have little faith that this will do any good. MB runs just fine on Titan. A couple of days ago I did get a few AP WU through, but don't know what happened. I have tried different versions including 1761 and 1766. I'm almost ready to install Seti@home from scratch and then recustomize the app_info. This has really got me scratching my head. If anybody out there has any ideas, I'm all ears. Edit: I should have mentioned that it appears that the AP work unit exits with a zero status. It also says that "...exited with zero status but no 'finished' file" What is a finished file? ____________
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Josef W. Segur Volunteer developer Volunteer tester Send message Joined: 30 Oct 99 Posts: 3932 Credit: 934,327 RAC: 15	Message 1342837 - Posted: 3 Mar 2013, 23:24:42 UTC - in response to Message 1342782.
	... It keeps telling me to reset the project which I already did once and thinking about doing again - I have little faith that this will do any good. ... That advice is completely useless when running anonymous platform. Even for stock where it gets fresh copies of the applications it is usually not the right thing to do, corrupted applications are rare. Joe
	ID: 1342837 · Reply Quote

ExchangeMan Volunteer tester Send message Joined: 9 Jan 00 Posts: 67 Credit: 41,899,710 RAC: 212,304	Message 1342852 - Posted: 4 Mar 2013, 0:34:46 UTC - in response to Message 1342837.
	... It keeps telling me to reset the project which I already did once and thinking about doing again - I have little faith that this will do any good. ... That advice is completely useless when running anonymous platform. Even for stock where it gets fresh copies of the applications it is usually not the right thing to do, corrupted applications are rare. Joe Thanks Josef, that's what I was thinking. Do you know what a 'finished file' is? I'm trying to figure out how to troubleshoot this. ____________
	ID: 1342852 · Reply Quote

Josef W. Segur Volunteer developer Volunteer tester Send message Joined: 30 Oct 99 Posts: 3932 Credit: 934,327 RAC: 15	Message 1342854 - Posted: 4 Mar 2013, 1:44:14 UTC - in response to Message 1342852.
	... Do you know what a 'finished file' is? I'm trying to figure out how to troubleshoot this. When an application finishes a task and exits normally, it creates an empty file named boinc_finish_called. If that's not present the BOINC client will restart the task, expecting the application to restart from its last checkpoint. For your AP tasks which you've aborted after going through several of those cycles, some have the stderr.txt produced by the application showing ERROR: clEnqueueNDRangeKernel: GPU_coadd_kernel_cl: -4 I don't know what the -4 error indicates. Raistmer would. Joe
	ID: 1342854 · Reply Quote

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Message boards : Number crunching : NVIDIA GeForce GTX Titan