GPUGRID and Fermi

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Message 16639 - Posted: 29 Apr 2010, 19:38:34 UTC

Just gave it a shot on win7 64bit and instant computation error, that was with 197.41 drivers. Tried to install the DEV cuda 3.0 drivers version 197.13 and said I had no supported hardware. This is on a evga gtx 480.
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Message 16640 - Posted: 29 Apr 2010, 19:49:15 UTC

Generally speaking, when Nvidia comes out with a card that is supposed to compete with ATI (and the converse) one expects that the new card will have 1.5 to 3 times the performance of the rival;s top-of-the-line card...


Assuming this would turn practically every card into a failure. Consider this:

- GP-GPU wise it's still a little wild west, but gaming wise both design are quite mature - thei're using their transistors in an efficient way and there's no easy to dramatically improve this, the low hanging fruits are all eaten by now

- both use the same process at the same manufacturer and thus get similar power efficiency at the transistor level

Apart from special new feature the only way left to (greatly) improve performance is by using more transistors. Asking for an advantage of a factor of 3 would require about 3 times as many transistors. And such a chip could likely not be clocked as high (longer signal lengths for cross-chip communication, larger scatter of transistor performance across the chip) you'd probably need anywhere from 3 to 4 times as many transistors. Fine - but you can't use an infinite amount of them. Power consumption goes up linearly with transistor count and you're currenty capped at a maximum of 300 W. And you have to be able to manufacture the huge chip at all.. :p

As you see, nVidia is already pushing it quite hard (some say too hard) at 3.2 billion transistors. Yet at best they could expect about 50% higher performance than Cypress (not talking about fancy architecture tricks or new features).

So you can't blame them for not trying to give you 1.5 times the performance of the best ATI chip - actually they failed because they tried to do so!

Except Fermi should have been backwards compatible, and does not appear to be so ...


It does run general CUDA code just fine (if it doesn't it's probably a driver bug). However, it doesn't run the code hand-crafted for GT200 - because it's a different chip.

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Message 16641 - Posted: 29 Apr 2010, 20:23:52 UTC - in response to Message 16640.  

http://www.gpugrid.net/show_host_detail.php?hostid=63357
http://www.gpugrid.net/results.php?hostid=63357

The betas are doing well on a GTX470. Tried a shutdown boinc, and a restart. It started at the begining (but I would expect that on such short tasks).
GPU at 54% use (EVGA Precision; might not tell you much, but suggests potential).
GPU Temp at 81 deg C.
http://www.techpowerup.com/gpuz/79dud/
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Message 16642 - Posted: 29 Apr 2010, 20:46:30 UTC - in response to Message 16634.  

Where do i have to change that in windows-xp-pro?
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Message 16643 - Posted: 29 Apr 2010, 20:58:47 UTC - in response to Message 16642.  
Last modified: 29 Apr 2010, 21:23:50 UTC

MyComputer/right click -> Manage -> Computer managent(Local)/right click -> properties -> Advanced -> environment variables -> settings -> new system variable -> add


Should it work on 6.22 + GTX260? It seems not to work. CPU load 0 - 3% on 4CPU Xeon for both values 0 and 1.
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Message 16647 - Posted: 29 Apr 2010, 22:03:57 UTC - in response to Message 16643.  
Last modified: 29 Apr 2010, 22:26:38 UTC

Tried another close & open Boinc after 13min run time of a task. It picked up at 12min and completed OK.
Also tried Suspend & Resume; the tasks started from zero, again.

PS. The SWAN_SYNC=0 variable works on Binc 6.10.43 W7 Pro, after closing and opening Boinc.
Excellent, Thank You!

Already starting to see the difference, task.

how to set SWAN_SYNC=0 on win7...
Just enter SWAN_SYNC=0 twice ;)
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Message 16648 - Posted: 29 Apr 2010, 22:28:50 UTC - in response to Message 16647.  

Your card seems to run at lower clocks that what it should be.
gdf

Tried another close & open Boinc after 13min run time of a task. It picked up at 12min and completed OK.
Also tried Suspend & Resume; the tasks started from zero, again.

PS. The SWAN_SYNC=0 variable works on Binc 6.10.43 W7 Pro, after closing and opening Boinc.
Excellent, Thank You!

Already starting to see the difference, task.

how to set SWAN_SYNC=0 on win7...
Just enter SWAN_SYNC=0 twice ;)

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Message 16650 - Posted: 29 Apr 2010, 22:56:11 UTC - in response to Message 16648.  
Last modified: 29 Apr 2010, 23:04:38 UTC

It is running at stock GTX470 speeds!
Perhaps W7 64 is a bit slow?
Now only running 6 CPU Boinc tasks (mostly WCG), using 88% CPU. CPU @ 3.3GHz:

This task is much faster :)

It will be left running, as is; to only pick up betas tomorrow (30/04/10), but I may not be around much.

Good Luck,
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Message 16651 - Posted: 29 Apr 2010, 23:06:01 UTC - in response to Message 16650.  

It is running at stock GTX470 speeds!
Perhaps W7 64 is a bit slow?
Now only running 6 CPU Boinc tasks (mostly WCG), using 88% CPU. CPU @ 3.3GHz:

This task is much faster :)

It will be left running, as is; to only pick up betas tomorrow (30/04/10), but I may not be around much.

Good Luck,


If you look at the output of ACEMD here:
http://www.gpugrid.net/result.php?resultid=2243388
Your clock seems to be at only 0.8Ghz and indeed time per step is high.

gdf
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Message 16652 - Posted: 29 Apr 2010, 23:08:30 UTC - in response to Message 16647.  

So do we add SWAN_SYNC=0 in both the User and System?

Tried another close & open Boinc after 13min run time of a task. It picked up at 12min and completed OK.
Also tried Suspend & Resume; the tasks started from zero, again.

PS. The SWAN_SYNC=0 variable works on Binc 6.10.43 W7 Pro, after closing and opening Boinc.
Excellent, Thank You!

Already starting to see the difference, task.

how to set SWAN_SYNC=0 on win7...
Just enter SWAN_SYNC=0 twice ;)

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Message 16654 - Posted: 29 Apr 2010, 23:34:35 UTC - in response to Message 16651.  

yes, core count says 112

upgraded to latest Boinc Beta, but says,
30/04/2010 00:20:42 NVIDIA GPU 0: GeForce GTX 470 (driver version 19703, CUDA version 3000, compute capability 2.0, 1248MB, 726 GFLOPS peak)

8-GIANNI_TESTDHFR6-2-10-RND0996_0 took 11min 24sec.

will restart,
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Message 16655 - Posted: 29 Apr 2010, 23:43:56 UTC - in response to Message 16652.  

system
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Message 16656 - Posted: 29 Apr 2010, 23:45:12 UTC - in response to Message 16654.  

[quote]yes, core count says 112

This is wrong reporting. The problem is this:
# Clock rate: 0.81 GHz


g
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Message 16657 - Posted: 30 Apr 2010, 0:02:36 UTC - in response to Message 16656.  

After restart Boinc still thinks clock is 0.81 (6.10.50).

But, this task finished injust under 8min!
Odd.

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Message 16660 - Posted: 30 Apr 2010, 3:23:49 UTC


Hi! please help I can't get beta WU for GTX470, my details are as below

4/30 Starting BOINC client version 6.10.50 for windows_intelx86
4/30 log flags: file_xfer, sched_ops, task
4/30 Libraries: libcurl/7.19.7 OpenSSL/0.9.8l zlib/1.2.3
4/30 Data directory: C:\Documents and Settings\All Users\Application Data\BOINC
4/30 Running under account admin
4/30 Processor: 4 AuthenticAMD AMD Phenom(tm) 9650 Quad-Core Processor [Family 16 Model 2 Stepping 3]
4/30 Processor: 512.00 KB cache
4/30 Processor features: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 htt pni cx16 syscall nx lm svm sse4a osvw ibs page1gb rdtscp 3dnowext 3dnow
4/30 OS: Microsoft Windows XP: Professional x86 Edition, Service Pack 2, (05.01.2600.00)
4/30 Memory: 3.00 GB physical, 4.84 GB virtual
4/30 Disk: 127.99 GB total, 72.23 GB free
4/30 Local time is UTC +8 hours
4/30 NVIDIA GPU 0: GeForce GTX 470 (driver version 19741, CUDA version 3000, compute capability 2.0, 1280MB, 1089 GFLOPS peak)
4/30 NVIDIA GPU 1: GeForce GTX 470 (driver version 19741, CUDA version 3000, compute capability 2.0, 1280MB, 1089 GFLOPS peak)
4/30 Version change (6.10.45 -> 6.10.50)
4/30 GPUGRID URL http://www.gpugrid.net/; Computer ID 51533; resource share 100
4/30 PrimeGrid URL http://www.primegrid.com/; Computer ID 124572; resource share 100
4/30 GPUGRID General prefs: from GPUGRID (last modified 13-Apr-2010 12:34:07)
4/30 GPUGRID Computer location: home
4/30 GPUGRID General prefs: no separate prefs for home; using your defaults
4/30 Reading preferences override file
4/30 Preferences:
4/30 max memory usage when active: 2763.38MB
4/30 max memory usage when idle: 2763.38MB
4/30 max disk usage: 10.00GB
4/30 max download rate: 1024000 bytes/sec
4/30 max upload rate: 1024000 bytes/sec
4/30 (to change preferences, visit the web site of an attached project, or select Preferences in the Manager)
4/30 Not using a proxy
4/30 Running CPU benchmarks
4/30 Suspending computation - running CPU benchmarks
4/30 Benchmark results:
4/30 Number of CPUs: 4
4/30 2296 floating point MIPS (Whetstone) per CPU
4/30 4740 integer MIPS (Dhrystone) per CPU
4/30 PrimeGrid Restarting task llr_sob_47464748_0 using llrSOB version 511
4/30 GPUGRID Sending scheduler request: To fetch work.
4/30 GPUGRID Requesting new tasks for GPU
4/30 GPUGRID Scheduler request completed: got 0 new tasks
4/30 GPUGRID Message from server: No work sent
4/30 GPUGRID Message from server: No work is available for ACEMD beta version

same problem on ealier beta version 6.10.45.
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Message 16661 - Posted: 30 Apr 2010, 5:04:08 UTC - in response to Message 16660.  

Hi! please help I can't get beta WU for GTX470, ....

Beta work is always hard to come by ... they only issue a few tasks to validate the code ... then make changes and repeat ...
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Message 16666 - Posted: 30 Apr 2010, 8:46:41 UTC - in response to Message 16657.  

After restart Boinc still thinks clock is 0.81 (6.10.50).

But, this task finished injust under 8min!
Odd.



If you use SWAN_SYNC=0 (if you should notice the use of a full CPU), then
# Time per step (avg over 30000 steps): 15.143 ms
should be around 7.1 ms
or at least that's what it is in Linux.

gdf
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Message 16667 - Posted: 30 Apr 2010, 8:50:47 UTC - in response to Message 16656.  

[quote]yes, core count says 112

This is wrong reporting. The problem is this:
# Clock rate: 0.81 GHz

g


So why the 0.81 clock rate?

30/04/2010 09:21:34 NVIDIA GPU 0: GeForce GTX 470 (driver version 19741, CUDA version 3000, compute capability 2.0, 1248MB, 726 GFLOPS peak)
GPUZ says 1215 or 1220MHz shaders,
http://www.techpowerup.com/gpuz/79dud/

http://www.gpugrid.net/results.php?hostid=63357
http://www.gpugrid.net/result.php?resultid=2244231

PS. EVGA precision (jan 2010) mixes the core & RAM readings up and cant change timings:
core 1674, shader 810 (correct), RAM 405.

My card is Lazy!
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Message 16679 - Posted: 30 Apr 2010, 14:43:10 UTC - in response to Message 16667.  

PS. EVGA precision (jan 2010) mixes the core & RAM readings up and cant change timings:
core 1674, shader 810 (correct), RAM 405.

My card is Lazy!

Try MSI Afterburner, the best GPU tweaking and fan control program I've used. Works better than EVGA precision for me:

MSI Afterburner GPU Control
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Message 16681 - Posted: 30 Apr 2010, 15:49:37 UTC

Did the beta WUs dry up?
the last one I got was at 30 Apr 2010 5:16:29 UTC.
Thanks - Steve
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