IRC logs of #boinc for Friday, 2009-07-17

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00:29 <PovAddict> efc had bad timing

00:54 <Tank_Master> sure did

00:54 <Tank_Master> wb jackygrahamez_

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01:23 <PovAddict> "611 of 614 images loaded"

01:24 <PovAddict> why are so many clueless people with websites?

01:24 <PovAddict> how is 614 images in a *blog* remotely reasonable?

01:51 <yoyo[RKN]> moin

01:51 <yoyo[RKN]> I tested a openMPI app in Boinc

01:51 <yoyo[RKN]> at least it runs, but boinc does not increase the used cpu time

01:52 <yoyo[RKN]> running was mpirun -np 4 app --mpi

01:53 <yoyo[RKN]> I think the wrapper captures only the runtime of mpirun, which is almost idle, and not also the forked childs

01:59 <PovAddict> what OS?

01:59 <Romulus> hmm... what OS is it, PovAddict

02:00 <PovAddict> on Mac, the wrapper uses wall time

02:00 <efc> ? timing?

02:01 <PovAddict> hehe

02:01 <PovAddict> nvm

02:01 <PovAddict> [00:52] <Nickuwo> eh.. group theory. i've never both loved and hated something so strongly at the same time before

02:01 <PovAddict> [00:57] <Nickuwo> women come in a close second

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02:02 <PovAddict> yoyo[RKN]: on Linux, the wrapper looks at /proc/<pid>/stat to get the CPU time

02:04 <PovAddict> oh wait, mpirun forks new *processes*?

02:04 <PovAddict> you can't use that without writing quite a custom wrapper...

02:04 <yoyo[RKN]> yes

02:04 <PovAddict> when BOINC suspends the wrapper, the wrapper suspends the process it started

02:04 <PovAddict> non-recursively; so the forked children won't get suspended

02:05 <PovAddict> when the user aborts the task, and BOINC tells the wrapper to quit, the wrapper kills the process it started; not any subprocesses that process may have started

02:05 <PovAddict> etc

02:05 <PovAddict> the official wrapperapp never knows if the wrapped app starts new processes

02:06 <yoyo[RKN]> I tested the wrapper with mpirun on the command line

02:06 <Tank_Master> well, unless the process is coded to kill the subprocesses?

02:06 <PovAddict> so they won't be suspended, killed, or considered for CPU time

02:06 <yoyo[RKN]> when I killed the wrapper, mpirun and the chields were killed

02:06 <PovAddict> killed how? task manager?

02:06 <yoyo[RKN]> linuc, ^C

02:06 <yoyo[RKN]> linux

02:07 <yoyo[RKN]> ./wrapper

02:07 <yoyo[RKN]> ^c

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02:07 <PovAddict> maybe because *children* check if parent quits

02:08 <yoyo[RKN]> in the wrapper source I see "return linux_cpu_time(pid);"

02:08 <PovAddict> yes, linux_cpu_time parses /proc/<pid>/stat

02:08 <yoyo[RKN]> where is linux_cpu_time defined

02:08 <PovAddict> lib/util.cpp

02:09 <PovAddict> the MPI parent can't possibly kill the children, because the wrapper uses SIGKILL to kill the parent, and that signal cannot be handled

02:09 <PovAddict> (SIGKILL is what is used when you do kill -9 from the command line)

02:10 <PovAddict> in fact it seems kinda dangerous... if the wrapper used a "nicer" signal, the wrapped app could handle it specially by saving state cleanly... a SIGKILL could very well happen in the middle of a file write

02:12 <yoyo[RKN]> use a different signal, sleep 10s, than sigkill

02:13 <PovAddict> yep, could be done

02:13 <yoyo[RKN]> I did it for ogr

02:13 <PovAddict> anyway, I really don't recommend using multiple processes unless you can add BOINC API calls to any process that ever acts as a parent

02:24 <CoderForLife> &wx 45140

02:24 <Romulus> CoderForLife: Temperature: 71.6F / 22.0C | Humidity: 90% | Pressure: 29.78in / 1008.4hPa (Falling) | Conditions: Light Rain | Wind Direction: SE | Wind Speed: 0.0mph / 0.0km/h ; Overnight - Mostly cloudy. A chance of showers...then a chance of showers and thunderstorms late. Lows in the lower 60s. Southwest winds around 5 mph. Chance of rain 40 percent.; Friday - Mostly cloudy with a chance of (1 more message)

02:25 <CoderForLife> &more

02:25 <Romulus> CoderForLife: showers and thunderstorms. Highs in the upper 70s. Southwest winds 5 to 10 mph...becoming west in the afternoon. Chance of rain 50 percent.; Friday Night - Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the mid 50s. Northwest winds 5 to 10 mph. Chance of rain 40 percent.;

02:25 <CoderForLife> back to bed

02:26 <PovAddict> actually, I dont recommend using muliple processes ever... (= no wrapper)

02:27 <PovAddict> but I know it's unavoidable sometimes

02:28 <PovAddict> off to bed

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06:24 <wdsmia> &wx 50319

06:24 <Romulus> wdsmia: Temperature: 56.6F / 13.7C | Humidity: 75% | Pressure: 30.00in / 1015.8hPa (Steady) | Conditions: Clear | Wind Direction: West | Wind Speed: 2.0mph / 3.2km/h ; Today - Sunny until late afternoon then becoming partly sunny. Breezy. High in the lower 70s. Northwest wind 10 to 20 mph with gusts to around 30 mph.; Tonight - Partly cloudy. Low in the lower 50s. Northwest wind 5 to 15 mph. Gusts (1 more message)

06:24 <wdsmia> &more

06:24 <Romulus> wdsmia: up to 25 mph through midnight.; Saturday - Partly sunny. High in the lower 70s. Northwest wind 10 to 15 mph.;

06:32 <hawmps> 'lo

06:33 <wdsmia> mornin Jay

06:33 <hawmps> mornin

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09:06 <KathrynM> 1 mil at ABC plus two weeks of vacation coming up

09:06 <KathrynM> Can life get any better?

09:06 <hawmps> good question...

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10:36 <hawmps> &wx 12020

10:36 <Romulus> hawmps: Temperature: 73.0F / 22.8C | Humidity: 86% | Pressure: 29.57in / 1001.2hPa (Rising) | Conditions: Mostly Cloudy | Wind Direction: SW | Wind Speed: 6.0mph / 9.7km/h ; Rest of Today - Partly sunny this morning...then mostly cloudy with a chance of showers and thunderstorms this afternoon. Highs in the lower 80s. South winds 5 to 10 mph. Chance of rain 30 percent.; Tonight - Showers likely (2 more messages)

10:36 <hawmps> &more

10:36 <Romulus> hawmps: with scattered thunderstorms. Some thunderstorms may produce gusty winds and heavy rainfall. Lows in the lower 60s. Southwest winds 5 to 10 mph in the evening...becoming light and variable. Chance of rain 70 percent.; Saturday - Mostly cloudy with a chance of showers in the morning... then partly sunny in the afternoon. Highs in the upper 70s. Southwest winds 5 to 10 mph...becoming west 10 (1 more message)

10:36 <hawmps> &more

10:36 <Romulus> hawmps: to 15 mph with gusts up to 30 mph in the afternoon. Chance of rain 40 percent.;

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12:43 <zombie67> yoyo_RKN

12:43 <yoyo_RKN> zombie67

12:43 <zombie67> I can't get any work for my PS3

12:44 <yoyo_RKN> what does boinc tells?

12:45 <zombie67> "Reason:  No work from project"

12:47 <yoyo_RKN> hmm

12:48 <zombie67> wait

12:48 <zombie67> maybe my project prefs

12:48 <zombie67> lemme look

12:48 <zombie67> duh

12:48 <zombie67> that should fix it

12:48 <yoyo_RKN> you disabled ogr

12:48 <zombie67> yeah

12:49 <zombie67> ding!

12:49 <zombie67> work d/l now

12:49 <zombie67> thanks for the help

12:51 <zombie67> I forgot that I did some windows crunching a while back

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12:54 <e-30> how is everyone doing today

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13:20 <hawmps> boo-haa

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14:55 <PovAddict> drugdiscovery is a mess, jack keeps jumping into new technologies (GPU, PS3) without making the basics work first...

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15:25 <yoyo_RKN> he jumps to much

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15:53 <xcamel> re-hi

15:54 <efc> Hey xcamel

15:54 <efc> Hows the Rubicon doing? Ready to conquer the wilderness?

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16:17 <xcamel> it does well in the woods..

16:19 <efc> Last week we did some great mountain roads, would have been super there.

16:20 <xcamel> bbiab - something got messed up...

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16:27 <xcamel> ...hate that..

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16:43 <efc> mostly national forest service but a handful of private places there.. very remove. Nice place for a pad.

16:44 <xcamel>

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17:25 <wdsmia> &tgif

17:25 <Romulus> Agreed...

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18:24 <Rookie_69> &wx yaw

18:24 <Romulus> Rookie_69: Temperature: 65.3°F / 18.5°C | Humidity: 89% | Pressure: 29.91in / 1012.8hPa | Conditions: Overcast | Wind Direction: SSE | Wind Speed: 3.8mph / 6.1km/h | Updated: 7:24 PM ADT; Tonight - Cloudy with 40 percent chance of showers or drizzle. Fog patches developing this evening. Low 16C(61F).; Saturday - Cloudy with 40 percent chance of showers or drizzle in the morning and early in the (2 more messages)

18:24 <Rookie_69> &more

18:24 <Romulus> Rookie_69: afternoon. Showers beginning in the afternoon. Risk of a thundershower late in the day. Amount 2 to 4 mm(0.1 to 0.2 in). Fog patches. Wind becoming southeast 30 km/h (19 mph) in the afternoon. High 20C(68F). UV index 5 or moderate. Saturday night showers ending near midnight then cloudy. Risk of a thundershower. Amount 5 mm except locally 25 mm in the heaviest showers. Fog patches. Wind (1 more message)

18:24 <Rookie_69> &more

18:24 <Romulus> Rookie_69: south 30 km/h (19 mph) becoming light near midnight. Low 16C(61F).; Sunday - Sunny. High 24C(75F).;

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18:54 <xcamel> re-hi

18:57 <zombie67> crap.  a lot of the part-time projects decided to issue work all at the same time

18:57 <zombie67> VP, malaria, lattice

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19:14 <zombie67> YES!  problems with my iMac.  Keeps locking up for no reason.  Took it in first time, they claimed it was the HD and replaced it.  Still happened.  2nt time, they replaced the mobo.  Still happened.

19:15 <zombie67> just now they called to tell me they will be replacing it with a brand new imac!  faster proc, double RAM, better graphics

19:15 <zombie67> w00t!

19:16 <xcamel> eh?

19:18 <zombie67> yeah.  nice, eh?

19:18 <xcamel> indeed.

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19:19 <PovAddict> zombie67: ask MTughan about his experience with Apple hardware

19:19 <PovAddict> the support is *awesome*

19:20 <zombie67> this is the first apple HW problem I have ever had....after about 10 macs.

19:21 <PovAddict> MT had quite a few HW issues

19:21 <xcamel> I had one of the exploding hd's in a macbook

19:21 <PovAddict> but in all cases the support was great

19:21 <zombie67> exploding HDs?  Never heard of that one.

19:22 <zombie67> wait, I take it back.  I had an iBook HD fail.  But that's not unique to apples.  All HDs fail sooner or later

19:22 <PovAddict> not literally exploding

19:22 <PovAddict> (I hope!)

19:23 <xcamel> these didn't fail... they self-destructed

19:23 <zombie67> when do we CUDA drivers for OSX?

19:24 <xcamel> wen do we get real cuda drivers for linux?

19:26 <xcamel> hmmm.. the h went silent

19:27 <wdsmia> soon as linux becomes a real OS :P

19:28 <xcamel> fsck you

19:28 <xcamel> :-)

19:28 <wdsmia> lol

19:28 <Rookie_69> Consider yourself told, Doug.

19:49 <CoderForLife> hello

19:49 <wdsmia> *lo Don

19:49 <Rookie_69> Hi, Don.

19:49 <CoderForLife> hey Doug Glenn

19:52 * CoderForLife finshes up paying the bills, and dougs, and glenns

19:54 <wdsmia> paying dougs... wheres my money?

19:54 <Rookie_69> The dougs and the glenns decide to roll bill and split his share.

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19:54 <xcamel> lol

19:55 <xcamel> NBC chimes... "Don, Doug, Dong"

19:57 <xcamel>

19:57 <Romulus> <> (at

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20:37 <Rookie_69> Gonna be busy the next two afternoons... Someone gives me the keys to their boat and says "Let's go downtown and look at the Tall Ships", I'm gonna be out there.

20:38 <Rookie_69> ... The Eagle is supposed to be here...

20:41 <wdsmia> I guess you could call a bark a tall ship

20:41 <Rookie_69> ... barque...

20:44 <wdsmia> excuse my french ;P

20:45 <Rookie_69> Caninese.

20:45 <wdsmia> woof

20:47 <Rookie_69> What did the dog say when he scratched against a pine tree?   Ruff bark.

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20:48 * wdsmia slaps Rookie_69 around with a large Carp

21:06 <CoderForLife> watch that carp crap - you're splashing me, too

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21:12 <CoderForLife> gn folks

21:13 <Rookie_69> NN.

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21:27 <Rookie_69> NN.

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21:32 <PovAddict>

21:32 <Romulus> <> (at

21:33 <PovAddict> "One of these things is not like the other......."

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22:05 <jasong1> Off-topic: Mental is a damn good show, set the dvr next week if you need to go out. :)

22:08 <jasong1> Wow, a Commodore on BOINC, that's awesome, that NVIDIA app must not use much cpu, lol

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23:10 <PovAddict> jasong: it's not a commodore

23:10 <PovAddict> it's a PC with modified specs :P

23:10 <PovAddict> I think he modified the boinc client to send that

23:10 <jasong> Yes, I know, I was trying to be funny

23:11 <jasong> Does anyone know where I can find out if a k is reserved for a prime project?

23:11 <PovAddict> zombie67: you missed the link

23:11 <Romulus> <> (at

23:11 <PovAddict> (efc might be even more interested)

23:13 <jasong> is the Eon project being ported to graphics cards?

23:13 <jasong> I thought maybe it was, but I didn't see anything on the site

23:14 <efc> interesting

23:16 <efc> people have been faking out stuff like that for a long time. seem to find it entertaining.

23:16 <PovAddict> more entertaining to try porting boinc to the real thing

23:21 <efc> too bad my 386 died

23:37 <zombie67> vic 20?

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