Attempt to Rank Nvidia Cards based on crunching ability

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Message 1028709 - Posted: 26 Aug 2010, 19:01:29 UTC - in response to Message 1028702.  

[BoincTasks has not had a -177 error show up since the 23rd of this month, I need no help, My PC works perfectly.

Not for nothing, but there's tons of -177 errors in you list, including a few from Aug 24, the last day before the outage. But if your PC runs perfect what do I know :))
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Message 1028712 - Posted: 26 Aug 2010, 19:22:38 UTC - in response to Message 1028709.  

[BoincTasks has not had a -177 error show up since the 23rd of this month, I need no help, My PC works perfectly.

Not for nothing, but there's tons of -177 errors in you list, including a few from Aug 24, the last day before the outage. But if your PC runs perfect what do I know :))

-177 errors just mean not in time and I downloaded just before the outage, So how could they not be in or on time? My PC is not slow nor is It pushed to It's limit, Nor is My video card for that matter and I use the 258.96 WHQL video driver for XP x64 sp2 which is the latest from Nvidia. As to the Date, BT says August 23rd and the earliest was no earlier than August 21st 2010, I can cite the time to the second(11:59:23PM). Before and after these dates they don't exist as On these dates I'd tried to use the <flop> tag and a couple of numbers supplied by Josef W. Segur and that did not do what He expected or that I wanted, So I'm leaving well enough alone, My RAC will go back up I expect, It'll just take a day or less.
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Message 1028716 - Posted: 26 Aug 2010, 19:41:02 UTC - in response to Message 1028629.  


I've found I don't need to use any type of Rescheduler anymore Sutaru, But to each their own. But then I'm only seeing this now, As I haven't seen any new vlars sent to the gpu in over a week or so. Just vlars to the cpu.


As a help

you will not know that you have vlars on your GPU as they will not be tagged .vlar unless you check directly

the ones you may get are resends before they put the .vlar tag on - e.g. ghosts etc - i have several on my PC's _2, _3 etc are a good clue it appears although not full proof

if you did use Fred's Reschedule tool (even if you did not actually use it to reschedule just in test mode) it tell you if you have any vlars or vhars for your gpu - if you did run it of course it could fix any potential -177 errors

I suspect looking at your screen shot that your DCF is well outside the expected norm of 1 for opp apps hence why you have 286+days of work for your gpu's and 124d for your Cpu's and this is why Boinc is in panic mode (Running High Priority) as it calcs that your GPU's cannot do the work in the time - as you have estimates of almost 4 hours per cuda wu - boinc is actually giving you a strong hint something is out of sync

you could fix this by putting in flops and setting your dcf back to 1 - this is explained well in other treads and why to do it - but this will only solve the problem fully for future downloads being realistic after you have cleared the backlog in approx 15 days time looking at your completion times in the screen shot

you may want to extend your history period in boinctasks so you have a couple of weeks of history as you may well have missed the -177 errors with a short history period if thats what you have set

its up to you if you take the advice freely offered to help out and its also about time we got back on topic

happy crunching and don't let those -177 bite :)
Tim

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Message 1028721 - Posted: 26 Aug 2010, 20:04:21 UTC - in response to Message 1028716.  
Last modified: 26 Aug 2010, 20:09:46 UTC

I do know about that, I've been around since 2003, But then rescheduler 1.9 would tell Me if I had any on either gpu and I do not, Ok? Thank You. See the picture below as I just ran rescheduler 1.9 and I ran a Test, See?


No vlars on the gpus Ok?

Here's the DCF It's varies It never gets down to 1.0 nor does It get above 1.5, At least I've never seen the DCF here do that, So I'm not worried, So please don't bother.
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Message 1028729 - Posted: 26 Aug 2010, 20:40:42 UTC - in response to Message 1028600.  

Which tool you use for OC your GPU?
Normally you can make a 'OC profile' which will be loaded automatically always after reboot of your system.

AFAIK, WinXP is still the fastest Windows crunching OS for SETI@home.
But it's maybe only ~ 5 % or something. But for hardcore cruncher is this a lot! ;-)
If you are happy with Win7 and it's a daily use machine, maybe it would be well to sticky with Win7.

Yes I have 'anonymous' in the PC overviews.
But I have app_info.xml with stock MB 6.09 cuda23 for GPU and AK v8b for CPU. On both machines.
And I need to use the BOINC Rescheduler for to protect my GPUs for VLAR WUs.

My GIGABYTE have avg. ~ 45 % and peak ~ 70 % memory controller load if SETI@home CUDA.
It's the secondary GPU in this PC and only for CUDA. Display only to onboard GPU. But both with WinDesktop - without, no CUDA possible.

The 940 BE machine, only to the first GPU display connected. The other 3 GPUs no WinDesktop (which will maybe increase the performance).


Hi Sutaru

To get us off giving advice and back on topic and share a bit of experience to learn from...

I use the nvidia control panel to OC - as the newer drivers give you the option to OC and store a profile to apply on OS boot - don't think its available in the 190+ series drivers as it came in with the approx 257+ series

Yep XP is probably faster for now until (hopefully) MS get their new WDM sorted and Nvidia take advantage - dont hold out much hope but you never know

Must try the 6.09 in my app info to see if it makes any difference

My average is about 65%, peak at 90% - more a burst

Dont have a pc with two gpu's yet but hope to in near future which should speed things up a bit :)


Tim

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Message 1028731 - Posted: 26 Aug 2010, 20:49:27 UTC

Well I would like some advice :)

I have an GTX 260-192 running stock speed, I use my PC for all things so no SETI PC...

I know nothing about overclocking, but can I "safely" do some minimal overclocking while still use my PC as normal, or should I just stick with stock?

Nvidia control panel gives these number on my current clock speed:

Graphics clock: 518 MHz
Memory clock 1008 MHz
Processor clock 1080MHz
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Message 1028741 - Posted: 26 Aug 2010, 21:33:56 UTC - in response to Message 1028731.  

lmao - happy to help

i assume you are talking about

http://setiathome.berkeley.edu/show_host_detail.php?hostid=5284345

You can try some small increases and see how you go - thats what i did

My GTX260-216 was at 576mhz but i have now got it up to 666mhz (control panel shows 670!)

If you do normal stuff on your pc - i.e. not games but email, word, web etc then generally you should be fine 99% of the time - you may see the odd slow screen refresh - depends on the load on the gpu at the time - i have two 24" high res monitors hooked up to mine and have no problem at all

First thing to do is (assuming you have not done so) download the "Nvidia system tools with esa support" http://www.nvidia.com/Download/index.aspx?lang=en-us

once installed you get extra options in the Nvidia Control panel

Under performance you should see "Device Settings" - i think you have to accept a disclaimer first before it shows you the OC options

click the custom radio button on the current settings tab

you now have four options to play with :)

first off up your fan speed - its usually set quite low (30%) to keep the noise down but a bit extra cooling will be needed as you are going to OC - say 50% to start with

once you change something the apply button will appear - this will make the changes immediately no reboot required and no need to shut down boinc - if you do reboot the stock settings will re apply - more on this below

if you get a little too carried away - when you press apply it will either accept the change or "computer says no" :) so you are covered to a degree

as i do not have a 192 i am not sure how far you can push the graphics clock/ memory and processor clock - i am sure some friendly soul will post some examples

my current settings are 670/1020/1340 - respectively - fan at 65%

what i have found is that if you want to increase the gpu speed you usually have to tweak the processor clock as well - but your mileage may vary

Save profile button - and save your new settings to a file

Ok so how do you know the card is actually running at the higher speed you have just set? - i use a windows gadget call GPU Observer - which shows the settings and the temp of the gpu - as you have win7 this is an easy option - you need to keep an eye on the temp to ensure for the first few hours (at least) that it does not climb to high - even with my oc - mine runs at 61-62c which is fine

Ok final thing (this is getting a bit long :))

you need to be able to apply the profile on boot - you could run up the control panel and apply it but there is a more fool proof way - under device settings you should see Profile policies

a profile will be shown but its not looking at the file you just saved - you do not appear to be able to edit a profile for some reason

so create a new one and choose these options and accept

load a profile, the system first starts windows and pick your file you saved earlier (hint click on profile)

finally uncheck the "old" profile

save etc - you only have to do this once as when you make more changes just resave the profile file etc

i think thats it - i hope i did not miss anything out


one final thing it sounds complicated but its relatively easy just take your time and do not get too greedy on the OC until you a confident of the process and run your card for a day or so to see if it gets unstable or you start returning wu with errors - if it does just back off a bit.

You will probably shorten the life of the card by OC and possibly void any warranty but you probably need an excuse to buy a new one anyway - lol

good luck - pm me if you get stuck
Tim

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Message 1028746 - Posted: 26 Aug 2010, 22:11:10 UTC
Last modified: 26 Aug 2010, 22:23:05 UTC

Thanks Tim, will try that tomorrow :)

Edit: I tried the GPU Observer and the temp says 74c with fan at 41%. Isn't that rather high when I haven't done any O/C yet?
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Message 1028771 - Posted: 26 Aug 2010, 23:47:59 UTC - in response to Message 1028746.  

John

if those temps are after running seti for awhile then not a surprise

fans are set to cover off average use so after time temps begin to rise - also there will be a point when the fan will auto increase if the card gets too hot which i has hot reached yet as you have not mentioned it doing so - you could look it up if you want it will be listed somewhere but as you will be manually setting it now its up to you to pick the point to keep it below :)

once you up the fan to 50-60 then temp will fall back down into mid to low sixties while running seti - probably mid 50 if no load - mine goes back to about 50 when no load

74 is a bit high but the cooler you can make it run the better for oc - i.e. higher fan speed

fan will get noisy so its a trade off

does you case have any additional fans to aid cooling? If not you could take the side off to aid air flow - is it a home built of "shop" purchase pc?

you could do other things like water cooling or change the stock fan for a more powerful one but thats more extreme i think you should be able to get another 10-20% out of the card easy enough without the temps getting to high

i think some people have their cards running hotter than yours is now but it can cause the card to fail quicker

in simple terms oc is about heat management :)
Tim

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Message 1028936 - Posted: 27 Aug 2010, 16:21:07 UTC

Yes the 74c is when doing Seti. The PC is a Dell with only the fans supplied by them.

I was only thinking of maybe get getting a little higher clock speed or something without doing anything extra, not doing water cooling or anything. But with 74c already I guess I'll skip doing any O/C :)
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Message 1028945 - Posted: 27 Aug 2010, 16:53:23 UTC - in response to Message 1028936.  

Hi John

even if you do not oc you can cool it down a bit by increasing the fan speed so it runs a bit cooler

try suspending seti gpu for say 10 mins and see what you temp drops to

mine drop 10-15 degrees in a minute or so
Tim

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Message 1029142 - Posted: 28 Aug 2010, 3:54:35 UTC
Last modified: 28 Aug 2010, 4:09:43 UTC

Not doing cudas and temp drops to 48c. Cuda + 50% fan and the temp is 67c.

Actually, the 10% raise in fan speed is not loud but still a noticeable difference. I wonder why no matter the temp is 48c or 74c the auto fan speed is 40%.

Anyway, since the PC case sits on the table quite near my head I will stick with the default GPU/fan speed :)
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Message 1029349 - Posted: 29 Aug 2010, 0:35:54 UTC - in response to Message 1029142.  

I wonder why no matter the temp is 48c or 74c the auto fan speed is 40%.

You can download EVGA Precision 1.9.6 and control fan speed of your videocard.
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Message 1029350 - Posted: 29 Aug 2010, 1:05:58 UTC

If one wants to control their gpus, I found a program to adjust the gpu voltage, It doesn't work on all cards I've read, So here's the link:

GPU Voltage Tuner - All-new intuitive voltage tweaker!
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Message 1031097 - Posted: 5 Sep 2010, 6:03:42 UTC
Last modified: 5 Sep 2010, 6:05:37 UTC

As these are not on the list yet.
GTX285, @ Stock Speed, RAC approx 17,000, Crunching time for a "normal" 0.4AR unit 9-11 minutes.

GTX470, no multi-tasking, as above. The performance of these 2 cards is so close to identical that it doesn't matter.

Comparison made on the same machine, E7200 @ 3.2GHz, XP-32, GTX285 running stock CUDA V6.09 app on driver V191.07. GTX470 running stock CUDA V6.10 app on driver V258.96.

This machine has just been upgraded to a Q9550 @ 3.2GHz, running the 285 and the 470 in parallel on the Lunatic's V0.37 app. Initial impressions are that this might have given a slight edge to the GTX470 but with only 12 hours running time so far its too early to really tell.

T.A.
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Message 1031100 - Posted: 5 Sep 2010, 6:14:17 UTC

This Tuesday If I'm not busy with something else during the outage I'm thinking of blowing the dust bunnies out of My GTX295 with a can of air I think I have. Be wery quiet, I'm huntin wascally wabbits.
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Message 1031594 - Posted: 7 Sep 2010, 13:41:16 UTC

Here is my little input
Nvida Quadro 3600M 512MB GDDR3

- GPU: 500
- Shaders: 1250
- Memory: 800
- TDP: 70W

- Driver ForceWare 195.62
- Application : MB_6.08_CUDA_V12_VLARKill_FPLim2048.exe (Lunatics)

Based on the last 25 results my RAC ~4500


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Message 1031615 - Posted: 7 Sep 2010, 15:19:51 UTC - in response to Message 1031594.  

Here is my little input
Nvida Quadro 3600M 512MB GDDR3

- GPU: 500
- Shaders: 1250
- Memory: 800
- TDP: 70W

- Driver ForceWare 195.62
- Application : MB_6.08_CUDA_V12_VLARKill_FPLim2048.exe (Lunatics)

Based on the last 25 results my RAC ~4500



That app is in need of replacement now that vlars are done on the cpu, Also You could upgrade Your video driver to 257.15 at the very least.
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Message 1031636 - Posted: 7 Sep 2010, 16:19:18 UTC

Speaking of drivers My gts 250 has the 186.27 drivers. Do upgrading to the latest drivers,really give a noticeable boost in crunching?
[/quote]

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Message 1031642 - Posted: 7 Sep 2010, 16:34:32 UTC - in response to Message 1031636.  

Speaking of drivers My gts 250 has the 186.27 drivers. Do upgrading to the latest drivers,really give a noticeable boost in crunching?

Well I don't know about a boost per say, But for the x32f app from the lunatics You would need the 257.15 at the very least from what I'm told, In any case even 191 would be faster than 186...
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Message boards : Number crunching : Attempt to Rank Nvidia Cards based on crunching ability


 
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