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Project "Headless Linux CLI Multiple GPU Boinc Server" - Ubuntu Server 12.04.4/14.04.1 64bit - Using GPU's from GeForce GT610/GT640/GTX750ti/+ to crunch data. - Page 7

post #61 of 343
Thread Starter 
Hi Magic 8192, Tex and DarkRyder wink.gif

Quote:
I am considering running linux on my dedicated BOINC box.
Well, I'll poste my Todo here. You guy's will be the first to know. You have shown the most interest, so it'll be here, I'll post it.
I was waiting for Ubuntu to fix the bug, that appeared when upgrading to version 12.04.4, but it doesn't seem to come!?!?
Therefore, I'll show the ToDo for running a Headless Linux Boinc Server with multiple GPU's crunching wink.gif The Linux version will be Ubuntu Server 12.10 ...
Quote:
That is serious stuff... and serious electric bill too..
Hi, Tex...
Yes, you are quite right my friend wink.gif I'm using about 2 or 3 times the amount of Kw now, that I was using before.. That's why I'm trying to make the system, "headless", using SSD's, etc. It's not much, but maybe all together it will mean that we'll save a little wink.gif
Before running Boinc Systems, I had a e-bill on/of/at* about US$ 100,- a month. My last bill was US$ 308,-
* can't remember the right word
Quote:
i think i should change my screenname to "Electric Bill" lol
Yeah, it's not the hardware, it's the electric that's costly wink.gif But then again, thats why I'm attending DTU in denmark for 3 more years this winter. I'm trying hard to find a way to make "green" power" at home, without having to buy a costly system..


Well, I'll show the things for this test beneath. Got the last part yesterday! The special fan, which we have to use.
Mobo: ASRosck Z87 OC Formula
CPU: i5-4690K
Memory: 2 x 4Gb Kingston HyperX DDR3 1866MHz
GPU's: Asus GeForce GT640 Low Profile
Harddrive: SanDisk Ultra 60Gb SSD
Other stuff: AeroCool X-vision Fan/temp.-control

Now, what's most exiting, is if we need to "cut" the mounting bracket for the industrial cooler/fan like we had to using Asus mobo! The bracket didn't fit in any of the 3 models of Asus mobo's. I'm a little nervous, because I was able to fix it using the Asus mobo's. But what if this mobo is even worse designed? (Not that the mobo's are badly designed, they are just not designed for industrial use) Hope I doesn't offend anyone!!!

Forgot to tell about the reason, I chose AeroCool X-vision Fan/temp. control for this system. X-vision has got 5 temp. sensors and 5 fan controls. This means we can monitor 5 places and control 5 fans. The reason why this is so perfect, is, that we have 1 CPU and 4 GPU's !! There's 1 industrial CPU cooler and 4 additional Case fan's !! This way we can monior all working Processors and the fan's that will keep it all cool!! I'll show it a little better later on.






Let's begin.....
I'll take picutres along the way.. And I'll post the ToDo of making a "Headless Linux Multiple GPU Boinc Server" too wink.gif

Time: 13:59
Checking the mobo for space. To make sure, that the reinforcing bracket for the industrial cooler will fit !!




Time: 14:11
Close, but no cigars !!!! Let's take a look at the problem. It was very near, but the there is still the same issue. Not as many places of course, but never the less, we will have to "cut" the problem away! It's a lot better than with the Asus mobo, but still, we'll have to use hard measures to make it work and I hate to use tools on a peace of electrical hardware.
You can see the issue here. At the first image you can se how the mobo is, when using a standard cooler from e.g. Intel. At the second image you can see the reinforcing bracket for the industrial cooler and the problem there is when trying to fit it on/in* to the mobo.


It's possible, that we can "cut" the leg/pin directly on the mobo, but I don't like that idea very much. Why? Because the bracket can be replaced, the mobo can't wink.gif
I'll go into my workshop and start working on the mobo/bracket, so that we can get on with it wink.gif OK, it's irritating, but it's a lot less work than with the Asus board, so we'll live wink.gif
Edited by DanHansenDK - 8/6/14 at 5:21am
post #62 of 343
Yikes that bracket is so close... should be easy to grind some material off...

Dremel to the rescue!

biggrin.gif
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post #63 of 343
Very nice setup. Are you going to Overclock the i5-4690K?
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post #64 of 343
Thread Starter 
Hi Guys,
Quote:
Yikes that bracket is so close... should be easy to grind some material off...
Dremel to the rescue!
Tex is so right! Dremel is exactly what I used to "kiss" the bracket. I don't now what it's called in english/american, but a grinder has got a spinning disc and this is what I used. Just a miniature version of it.
After grinding/cutting the little bit away/off, I remove any small metal pieces with a sharp scalpel or knife and then I seal it with nail-polish (the stuff girls has on their fingers;) so that there will be no short-cut's/glitches!!



Quote:
Very nice setup. Are you going to Overclock the i5-4690K?
Hi Magic, No, no overclocking! Why? Because it's not so much datacrunching we gain by overclocking I guess. If I'm wrong, please correct me.
As you can see, I'm using the i5 CPU instead of the i7. This because theres only 0.3 % to gain by choosing the i7 CPU! I showed the tests earlier on in this post. It would run twice as many jobs, but at half the speed. The reason I don't overclock it, is that I'm trying to build a system which do not run hot, doesn't get to close to the CPU heat shut-down limit. And by running Linux/Boinc, the CPU will be used 100% 24/7 without any breaks! I'm pretty sure theres not much to gain by "tuning" this system. I get why gamers overclock! Indeed I do, but in this case, I think it would only add to the pile of issues wink.gif

I made a little image so that we can see the little difference between the i5-4790K and i7-4670K CPU.:



OK, I just noticed something! The i5-4690K is not, I repeat NOT a Z87 CPU... For a second or a little more than a second, I froze! Thought that the ASRock Z87 OC Formula mobo maybe wouldn't be compatible. The i5-4690K is a "Devil's Canyon" CPU architecture. But after reading a little, I learned that it should work just fine! That was a close one, to close! Let's test it wink.gif

Please help me with this Guys wink.gif!
1. Do you think it's best to test the system, using the "old" fans in the case (the original), measure it and then change the fans. To compare the results!?!? Or do I change to the new case fans right away to see if it runs with 4 GPU's/GT640 without overheating!?!?
2. Do I remove as much as possible from the back of the case, to get a better flow???

(please notice this is the old image. but it shows the issue pretty well. I had to add fan's, and couldn't close the case)



.
Edited by DanHansenDK - 8/6/14 at 1:38pm
post #65 of 343
Quote:
Originally Posted by DanHansenDK View Post

Hi Magic, No, no overclocking! Why? Because it's not so much datacrunching we gain by overclocking I guess. If I'm wrong, please correct me.
As you can see, I'm using the i5 CPU instead of the i7. This because theres only 0.3 % to gain by choosing the i7 CPU! I showed the tests earlier on in this post. It would run twice as many jobs, but at half the speed. The reason I don't overclock it, is that I'm trying to build a system which do not run hot, doesn't get to close to the CPU heat shut-down limit. And by running Linux/Boinc, the CPU will be used 100% 24/7 without any breaks! I'm pretty sure theres not much to gain by "tuning" this system. I get why gamers overclock! Indeed I do, but in this case, I think it would only add to the pile of issues wink.gif

The biggest argument against overclocking a 24/7 cruncher to me is the power consumption and heat. It is almost a linear performance gain. A 20% overclock would probably provide a 20% performance gain.
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post #66 of 343
Quote:
Originally Posted by magic8192 View Post

The biggest argument against overclocking a 24/7 cruncher to me is the power consumption and heat. It is almost a linear performance gain. A 20% overclock would probably provide a 20% performance gain.

I HAVE to jump in here and say with authority....

Magic is right but didn't tell it all...

1) NOT TRUE HT doesn't benefit you much depending on the project WU makeup. For instance, this new Universe project... it runs avg 14 minutes per WU on 2700K 4.5GHz. The SAME tasks running on 4670K 4.2GHz take 11 minutes. Call it 10 minutes if I could run it at 4.5GHz... (waiting for new heatsink to do that!) Also included is compare to 1045T @ 3.25GHz...

2700K: 1440 / 14m * 8t = 822 Wu/Day
4670K: 1440 / 10m * 4t = 576 Wu/Day
1045T 1440 / 21m * 6t = 411 Wu/Day

For Universe tasks, HT is a huge benefit.

2) Now, for OTHER projects, the tables turn like Edges....which is more equal....

2700K: 1440 / 10m * 8t = 1152 Wu/Day
4670K: 1440 / 5m * 4t = 1152 Wu/Day
1045T 1440 / 9m * 6t = 960 Wu/Day

I could go on, but you see my point. Some coding mixes (compares, memory fetches, FPU operations, etc.) give benefit to HT or not... and also to AMD vs. Intel or not... SIMAP favors AMD in the way HT favors Universe! (Too bad SIMAP going away...)

Anyways, so far as BOINC goes, perhaps half (or more) the CPU projects tend to equalize HT or not... but there are a high percentage of exceptions...

biggrin.gif
Edited by Tex1954 - 8/6/14 at 1:28pm
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post #67 of 343
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Hí Tex and Magic,

Thanks for the facts!! In this case, I think it's better to solve the heat issues and then find another Low Profile card, which is faster. So far all I've been able to find, is a ATI card. But the difference is only 5%. But, to gain 5% per GPU (times 4) all ready exceeds what we gain overclocking the CPU. I totally get it, to "squeeze" all that's possible out of the CPU's !! It's just that there's a reason for the setup/configuration of the CPU's. We need to make a system which will last. I've already succeeded in making this system running, using all 4 GPU's. But the temp. gets close to maximum. This is why I'm trying to find a hardware configuration which will decrease the heat inside the case. So that we are not close to the limit all the time.
I've got a test bench, AeroCool X case and the Asus Maximus Extreme board, where there is a CPU overclocking device (a kind of a remote control), so that you can change CPU speed by pressing a button. So I do overclock, using this bench, but when building a system which has to run 100 % 24/7/365 for 5-10 years built in a Rack, I think it's better to follow the standard settings. In this case, anyway.

Am I talking total nonsense?

Tex and Magic, Please help me with this....
1. Do you think it's best to test the system, using the "old" fans in the case (the original), measure it and then change the fans. To compare the results!?!? Or do I change to the new case fans right away to see if it runs with 4 GPU's/GT640 without overheating!?!?
2. Do I remove as much as possible from the back of the case, to get a better flow???

(please notice this is the old image. but it shows the issue pretty well. I had to add fan's, and couldn't close the case)




.
post #68 of 343
Now you know why data centers have such high A/C bills and use low power stuff...

In any case, The fans you use will make a difference I'm sure. I presume you want to close the case and let things go...

Well, I would do one step at a time, take measurements and go to next step. Also, where the air flows in the case is at least as important as how much...

Best to do all testing in final configuration IMHO...

biggrin.gif
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post #69 of 343
I would want a baseline with the old stuff, but it is really just a personal preference.
There is another thing you can do besides overclock the CPU. You can lower the voltage of the CPU to the minimum stable. You can also underclock the memory and even lower the voltage on the GPU. Some projects don't mind lower memory clocks on the GPU. This can reduce the power consumption and heat of the system with little or no drop in computing power, depending on the project.
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post #70 of 343
Thread Starter 
Hi Tex and Magic,

Quote:
In any case, The fans you use will make a difference I'm sure. I presume you want to close the case and let things go...
Hi Tex. Yes, those CoolSpot Fans was a test, to see if the temp. could be lowered. The problem is, if there's not much space and 1cpu + 4 gpu's running, the heat will just increase and increase if it's not "removed" A kind of a "bad circle" or what it's called.
Quote:
Well, I would do one step at a time, take measurements and go to next step. Also, where the air flows in the case is at least as important as how much... Best to do all testing in final configuration IMHO...
I agree! BTW what does IMHO mean? Something like in my opinion? Sorry wink.gif I'm not quite up to date with the "online talk" wink.gif


Hi Magic,
Thanks for the info/ideas wink.gif When the heat issues and setup/configuratin issues has been solved, maybe these thing could be worth working on! To "tune" the system for maximum results and minimum power consumption!?!?


QUESTION:
I've only got 2 x 4Gb Kingston DDR3 Memory and I was wondering, isn't 1 x 4Gb enough? It's Linux and Boinc only. I had older systems running on 2Gb earlier on. I'm asking, because to make DCMT (Dual Channel Memory Technology" work, there has to be a pair in the memory slots. But, then again, what's to gain securing DCMT ????

STATUS:
I'm currently mounting stuff on to the mobo. As we talked about, we are going to test the system using the old fans first. Then we can se the difference. It's the 4'th graphic card/GPU which is the problem! This is why Test system 1 had 1 graphic card, test system 2 had 2 graphic cards etc. etc.
Well, let's go wink.gif

TEST:
"Headless Linux Multiple GPU Boinc Server". Test system 4. A new brand/mobo Asus Z87 OC Formula, Intel i5-4690K*, 4 GPU's (Asus GT640 Low Profile)



* OK, I just noticed something! The i5-4690K is not, I repeat NOT a Z87 CPU... For a second or a little more than a second, I froze! Thought that the ASRock Z87 OC Formula mobo maybe wouldn't be compatible. The i5-4690K is a "Devil's Canyon" CPU architecture. But after reading a little, I learned that it should work just fine! That was a close one, to close! Let's test it wink.gif

I may have to update the BIOS to make this system work. When I chose the CPU, I made a mistake! I chose a wrong CPU architecture. I thought it was right. i5-4670 and i5-4670K was Haswell, but i5-4690K wasn't . But, when using BIOS version 2.1 + the "Devil's Canyon" architecture is supported wink.gifthumb.gif

BIOS 2.10 - 7/22/2014 - Instant Flash - 4.69MB
1. Update InstantFlash Module.
2. Update Intel(R) ME.
3. Support i7-4790K, i5-4690K and Intel® Pentium® G3258 EZ OC.
4. Adjust "Intel(R) Smart Connect Technology" setting.

Edited by DanHansenDK - 8/7/14 at 2:47am
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