Posts by ivan

1) Message boards : Number crunching : SETI/BOINC Milestones [ v2.0 ] - XXIX (Message 1874309)
Posted 21 Jun 2017 by Profile ivan
Post:
250M SETI credits. Helped in a small part by finally having my exploded work Linux box replaced by a new machine with more memory and more cores -- and a C2070 Tesla GPU alongside a GTX440 that came out of a very proprietary [(hp)] machine when I finally found that a GTX750 Ti didn't require supplementary power. Some of my machines have had to be throttled back to 50% cores this week though, as there's a heatwave in London (soon to be replaced by thunderstorms). It was over 32 C in my south-facing office today, and just as hot at home. :-( Fortunately the big iron is in a single rack in an air-conditioned optics lab.
2) Message boards : Number crunching : SETI/BOINC Milestones [ v2.0 ] - XXIX (Message 1863051)
Posted 22 Apr 2017 by Profile ivan
Post:
My slightly older Linux server has reached 50 M credits! I recently had to upgrade it to Scientific Linux CERN 6 because a certain security update was not being released for SLC5. I had to remove a first-generation Nvidia Tesla C1060 because it's not compatible with the latest drivers and CUDA release, while the second GPU (a Palit GTX460 which runs fanless with forced cooling due to the fan disintegrating when I accidentally touched it with my finger when it was running -- I never felt a thing!) is still soldiering on. I tried putting a fanless Gigabyte GTX 550 Ti in it (Gigabye fans fail far too often in my experience) but it's not being recognised so I guess it was fried when the fans gummed up.
I've had a lot of computer failures lately, plus I'm running some machines on CMS@Home, which I help manage, so my total RAC has been taking a beating. :-(
3) Message boards : Number crunching : GUPPI Rescheduler for Linux and Windows - Move GUPPI work to CPU and non-GUPPI to GPU (Message 1812827)
Posted 26 Aug 2016 by Profile ivan
Post:
Mr. Kevvy;
I haven't been following the message boards here too much lately, CMS@Home takes up most of my energy. However, I'm pleased to find your little project and have installed it on most of my Windows and Linux machines with Nvidia cards this week. The effect seems to be worth it, tho' it does need a bit of handholding with regards to how frequently it's run. I'm a bit loth to run it too often on boxen where I'm also running CERN VM-based projects, as I'm not sure we've cracked all the problems with shutting down and restarting the VMs (and their interaction with the HTCondor servers).

Nonetheless, I must report an apparent success on my ARM-based Jetson Tegra TK1 Ubuntu system. I copied the files across from one of my Scientific Linux boxes, compiled the C++ code and ran the executable. It seems to have worked! Now to see if the wee beastie will get back closer to the 2,000 RAC it was achieving last year. I think I'll set up a cron job to run automagically, maybe once per day, as I don't log in very often.

Thanks.
4) Message boards : Number crunching : SETI/BOINC Milestones [ v2.0 ] - XXIX (Message 1799869)
Posted 1 Jul 2016 by Profile ivan
Post:
My little Tegra development board just hit 1 Million credit!
5) Message boards : Number crunching : Show and tell your machine. Here's mine. (Message 1774248)
Posted 26 Mar 2016 by Profile ivan
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One has a new computer. A Viglen 8.9" Windows-10 Tablet available for Stg£59.00 at your nearest large Tesco store. I'm not sure if it will survive running S@H overnight...
6) Message boards : Number crunching : SETI/BOINC Milestones [ v2.0 ] - XXIX (Message 1754816)
Posted 8 Jan 2016 by Profile ivan
Post:
Just got another notch on my pistol -- now up to 44th overall. I won't get any further for quite some time it seems, and in fact might get caught by some coming up behind me. Next stop, 200 mill.

Well, there's the 200 million at last. RAC's dropping like a stone as I lose GPUs to MB V8, but there are enough CPUs to keep me ticking along.
7) Message boards : Number crunching : Intel Compute Stick (Message 1748677)
Posted 12 Dec 2015 by Profile ivan
Post:
Thanks everyone for your input. Looks like I save myself eighty squid and burn gas rather than electricity to top up the heat in the Rechenzentrum.
8) Message boards : Number crunching : Intel Compute Stick (Message 1748117)
Posted 10 Dec 2015 by Profile ivan
Post:
Is anyone using an Intel compute stick for S@H? I bought myself a 4K monitor fot £200 in the Black Friday sales, and am driving it from my Linux Mate PC (GTX 660 Ti) via Display Port. This means the HDMI port is available for another device...
eBuyer are selling the Windows version of the Compute Stick very cheaply at the moment -- cheaper even than the less-provisioned Ubuntu version! If it managed around 2,000 RAC like my similarly-equipped J1900 it might be a cheap addition to my stable.
9) Message boards : Number crunching : SETI/BOINC Milestones [ v2.0 ] - XXIX (Message 1747931)
Posted 9 Dec 2015 by Profile ivan
Post:
Just got another notch on my pistol -- now up to 44th overall. I won't get any further for quite some time it seems, and in fact might get caught by some coming up behind me. Next stop, 200 mill.
10) Message boards : Number crunching : I've Built a Couple OSX CUDA Apps... (Message 1746153)
Posted 1 Dec 2015 by Profile ivan
Post:
I thought Apples were supposed to be all shiny and you just mash things with your forehead.... apparently not.

No, that's watermelons.
11) Message boards : Number crunching : Christmas Wish List! (Message 1742504)
Posted 16 Nov 2015 by Profile ivan
Post:
Well folks, it's that time of year again when we seriously start thinking what we want for Christmas. So, I'll get it started. http://www.guru3d.com/news-story/intel-core-i7-6950x-broadwell-e-has-10-cores-and-20-threads.html I'll even settle for the 6800K.

Hmm, I had ten-core Xeons over a year ago.
12) Message boards : Number crunching : NVIDIA getting ready to unleash Jetson TX1 module (Message 1741332)
Posted 11 Nov 2015 by Profile ivan
Post:
http://nvidianews.nvidia.com/news/tiny-nvidia-supercomputer-to-bring-artificial-intelligence-to-new-generation-of-autonomous-robots-and-drones

I can't wait to pre-order one of these... to crunch SETI WUs, what else?

I hope they don't mark it up in the UK as much as they did the TK1. Mine's happily crunching MB on four 32-bit cores and the Kepler GPU, at a RAC of just over 2,000. Assuming all 8 64-bit cores are usable (the fifth core of the TK1 doesn't show up on Ubuntu), and the larger, newer GPU, I'd expect the new version to probably double that.
13) Message boards : Number crunching : Panic Mode On (101) Server Problems? (Message 1736271)
Posted 22 Oct 2015 by Profile ivan
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Of course when a tape is "slit"[...]
Careful with that axe, Eugene!
14) Message boards : Number crunching : Updating GPU drivers in Linux. (Message 1731575)
Posted 3 Oct 2015 by Profile ivan
Post:
My win install is running fine again.
So i tried my Mint 17.1 partition.
It does nothing, just a black screen.
Anyone complains about windows ?
Tried the recovery mode without luck.

How do i update the drivers when i can`t get into the system ?

Any help is much appreciated.

What happen if you type Ctrl+Alt+F1 or Ctrl+Alt+F2 simultaneously? That should drop you into a console session. Beyond that it gets hairy, so let's see if you get that far first of all.
15) Message boards : Number crunching : CMS@Home needs about fifty good volunteers... (Message 1731573)
Posted 3 Oct 2015 by Profile ivan
Post:
Will be any testing status updates here or SETI-originated participants need to look CMS-project site for any news now?

Well, there's a fairly good dialogue going on at http://boincai05.cern.ch/CMS-dev/forum_thread.php?id=79 so I won't repeat myself here. Bottom line, I think we're almost there but more work than expected has fallen on my shoulders. At present we don't need more testers, but we're not going to turn anyone away (numbers may have some impact on a presentation I'm to give at CERN on the 15th, I will admit).
16) Message boards : Number crunching : Panic Mode On (100) Server Problems? (Message 1730387)
Posted 30 Sep 2015 by Profile ivan
Post:
And it's getting worse. Now it fails every time. An hour or so ago it worked about every third attempt.

I blame the Pope.

Edit: And now the Replica DB went on a vacation too :-(

I'm not seeing any problems here, except one download failure (which is not that unusual inside our firewall/proxy). Ready-to-send buffer had taken a nosedive on the SSP earlier but seems to be recovering.
17) Message boards : Number crunching : SETI/BOINC Milestones [ v2.0 ] - XXIX (Message 1727572)
Posted 21 Sep 2015 by Profile ivan
Post:
40 mil SETI

and 100 mil all projects.

Well done, Kev!
18) Message boards : Number crunching : Panic Mode On (100) Server Problems? (Message 1726975)
Posted 18 Sep 2015 by Profile ivan
Post:
If those are the Opencl_nvidia_sah, that is normal for them.

Here's a little info for you on that. If you run 2 at a time of those, the usage will actually go down to about 85% of a core for each work unit.

I would not recommend going over 2 OpenCl_nviidia_sah per card.

On the plus side, you will help to get rid of all those VLARS ;)

I think the only machine I run >2 GPU jobs on is my work Linux machine, which is running anonymous. Not got the feedback yet (because the replica DB was still catching up last I looked) to see how this will affect my RAC -- I don't expect it to go down! What happens when the next batch of AP WUs are available is another matter.
19) Message boards : Number crunching : Panic Mode On (100) Server Problems? (Message 1726959)
Posted 18 Sep 2015 by Profile ivan
Post:
We-e-ll, I was just watching Great British Menu on iPlayer (my broadband is currently at 2268 kbps, just enough to watch 1280x720 HD) when it all stopped, even though gkrellm was showing the net flatlining at 248 kBps. Looked at BOINC and it was downloading shedloads of new jobs and a new executable. When the dust settled, there had been 91 new jobs and setiathome_7.08_x86_64-pc-linux-gnu__opencl_nvidia_sah -- so I guess that's out of beta. My RAC should go up, as I'd never got around to setting up the anonymous mechanism on this PC, so I've only had GPU work when there are AP jobs to be had. We shall see...

Might need some tuning -- the GPU jobs are hogging a CPU each!
top - 22:01:36 up 5 days, 19:07,  6 users,  load average: 15.07, 14.97, 14.72
Tasks: 274 total,  13 running, 261 sleeping,   0 stopped,   0 zombie
%Cpu(s):  2.0 us,  7.1 sy, 77.1 ni, 13.7 id,  0.1 wa,  0.0 hi,  0.0 si,  0.0 st
KiB Mem:   8129424 total,  6893796 used,  1235628 free,   396776 buffers
KiB Swap:  5119996 total,       36 used,  5119960 free.  3226776 cached Mem

  PID USER      PR  NI    VIRT    RES    SHR S  %CPU %MEM     TIME+ COMMAND                            
 8112 ivan      30  10 28.277g  80788  32484 R  99.7  1.0   8:10.46 setiathome_7.08                    
 8610 ivan      30  10 28.279g 104412  48080 R  99.7  1.3   5:58.53 setiathome_7.08                    
 4032 ivan      39  19  108976  39884     12 R  81.8  0.5  26:53.10 setiathome_7.01                    
 4791 ivan      39  19  107752  38664     12 R  74.5  0.5  21:07.65 setiathome_7.01                    
30201 ivan      39  19  109012  39972     12 R  72.1  0.5  81:36.75 setiathome_7.01                    
 6779 ivan      39  19  108060  39252     12 R  52.5  0.5  11:25.18 setiathome_7.01                    
 6643 ivan      39  19  107548  38568     12 R  49.5  0.5  11:20.55 setiathome_7.01                    
20264 ivan      39  19  110816  42320     12 R  47.9  0.5 165:22.65 setiathome_7.01                    
32684 ivan      39  19  108824  39732     12 R  47.2  0.5  58:39.61 setiathome_7.01                    
 7160 ivan      39  19  109356  40016     12 R  42.9  0.5   8:52.95 setiathome_7.01                    
 


[homepc01:BOINC] > nvidia-smi
Fri Sep 18 22:03:55 2015       
+------------------------------------------------------+                       
| NVIDIA-SMI 352.30     Driver Version: 352.30         |                       
|-------------------------------+----------------------+----------------------+
| GPU  Name        Persistence-M| Bus-Id        Disp.A | Volatile Uncorr. ECC |
| Fan  Temp  Perf  Pwr:Usage/Cap|         Memory-Usage | GPU-Util  Compute M. |
|===============================+======================+======================|
|   0  GeForce GTX 660 Ti  Off  | 0000:01:00.0     N/A |                  N/A |
| 30%   65C    P0    N/A /  N/A |    644MiB /  2043MiB |     N/A      Default |
+-------------------------------+----------------------+----------------------+
20) Message boards : Number crunching : Panic Mode On (100) Server Problems? (Message 1726955)
Posted 18 Sep 2015 by Profile ivan
Post:
setiathome_7.08_x86_64-pc-linux-gnu__opencl_nvidia_sah --

Wonder if there is an equivalent Windows release as well?

Not according to http://setiathome.berkeley.edu/apps.php , though there are some new Mac CPU apps as well.

I'd like to take a whack at it outside of Beta as well.

Hmm.. But you are right, anonymous platform will mean modification to try and get that app and executable...


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