IRC logs of #boinc for Friday, 2013-12-20

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01:32 <darkfu> the client is for sure running

01:32 <darkfu> i just want to make sure its doing something

01:33 <darkfu> wth...sorry off topic but when did Arsenio Hall get another late night show?

01:35 <efc> top or ps -au

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07:40 <ChristmasCoder> &wx 45140

07:40 <Romulus> ChristmasCoder: Temperature: 50.2F / 10.1C | Humidity: 61% | Pressure: 29.94in / 1014hPa (Steady) | Conditions: Overcast | Wind Direction: South | Wind Speed: 3.8mph / 6.1km/h ; Friday - Overcast with rain. Fog early. High of 59F. Winds from the SSW at 10 to 15 mph. Chance of rain 80%.; Friday Night - Overcast with rain. Low of 52F. Winds from the SSW at 5 to 10 mph. Chance of rain 90% with (1 more message)

07:40 <ChristmasCoder> &more

07:40 <Romulus> ChristmasCoder: rainfall amounts near 0.4 in. possible.; Saturday - Overcast with rain. Fog early. High of 63F. Winds from the SSW at 5 to 10 mph. Chance of rain 100% with rainfall amounts near 0.8 in. possible.; Areal Flood Watch for Hamilton County in effect until 7:00 AM EST on December 22, 2013;

07:40 <ChristmasCoder> "Here comes the rain again.."

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10:58 * dddh has seen "Run For Your Wife" by Raymond Cooney today

11:05 <q5p4k0> greetings

11:06 <dddh> in the red torch theater

11:07 <q5p4k0> question on cpu frequency scaling.  For my laptop, I have prevented BOINC from max'ing out my clock speed since.. however.. for desktop machine.. is there any downsize to letting BOINC hammer the cpu frequency to max?

11:08 <dddh> q5p4k0: "what config file can I limit the max # of cpu that boinc utilizes." - cc_config.xml

11:08 <dddh> ncpus

11:08 <dddh> http://boinc.berkeley.edu/wiki/Client_configuration

11:08 <Romulus> <http://tinyurl.com/55ypmz> (at boinc.berkeley.edu)

11:11 <dddh> q5p4k0: it will be hot with all cores running at full speed

11:12 <q5p4k0> why does BOINC do this by default?  It looks like it would be ideal to prevent max cpu frequencing scaling by default

11:12 <dddh> hm, why do you think it should?

11:14 <q5p4k0> to prevent possible overheating..

11:14 <hidgw> I'll admit I've wished BOINC would limit the usage of tasks such that they never use more than the % CPU limit in any given moment, but then I realized that that's not how CPU scheduling works

11:14 <hidgw> Though it does make life interesting watching BOINC tasks use 99%, 20%, 98%, 32%, 93%...

11:15 <q5p4k0> well I am more concerned with the frequency of the core than the amount of cores being utilized

11:17 <hidgw> I'm talking about per-core utilization myself, actually

11:17 <hidgw> but frequency scaling would be nice, in theory

11:19 <q5p4k0> under linux I can control the frequency scaling.. on my laptop, I have a governor in place so that the frequency remains at 50% on all cores.. I am thinking of doing the same thing for desktop.. but it impacts all programs that run in nice mode..

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12:05 <Caterpillar> Is it true what Mattia Verga is saying there?            https://bugzilla.redhat.com/show_bug.cgi?id=839528      BOINC does not close on KDE task manager

12:05 <Romulus> <http://tinyurl.com/kjkj99k> (at bugzilla.redhat.com)

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12:31 <dddh> Caterpillar: the same as with skype for example?

12:32 <Caterpillar> no

12:32 <Caterpillar> http://youtu.be/oWG80Cyiuq0

12:32 <Romulus> Title: BOINC behaviour - YouTube (at youtu.be)

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12:42 <Caterpillar> :(

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12:53 <Tank_Master> q5p4k0: dwsktop CPUs are designed to run 24x7 at around 95C (max depends on actual cpu spects, but a lot are around that value)

12:54 <Tank_Master> and most cooling solutions are more than enough to prevent it from reaching that hot when the cpu is at full load

12:57 <Caterpillar> still people afraid of running CPU at 100% load?

13:10 <Tank_Master> some are, but they ususally dont know what tepms a CPU can actually handle

13:11 <Tank_Master> they see that its running at 150f and think itll burn up when in reallity it can handle temps closer to 200f and be fine, and that CPUs today will either throttle back on their own or compleatly shut off to prevent over heating

13:13 <microchip_> Tank_Master: so you're saying the max operating temp, of say an AMD Phenom II x6 proc is well above the 62C as AMD says

13:15 <microchip_> i know GPUs usually can handle much higher temps compared to CPUs. eg, my GTX 560's max is 98C

13:18 <Tank_Master> im not as well veresed with AMD chips, but if thats the max AMD claims, than thats its max

13:18 <Tank_Master> Intel CPUs can generally handle up to 95c

13:19 <Tank_Master> the intel atom can go even higher

13:21 <microchip_> Intel claims max is 66.8°C for the i7-4930K, for example

13:35 <Tank_Master> humm, 72c for the 4770

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13:36 <Tank_Master> and 100c for the 15w i7-4600u

13:42 <q5p4k0> yeah, I am not sure what temperature my processors are running at on my desktop machine.  I will have to look into that.  I just know that with pstate enabled and utilizing sandybridge processor, BOINC is max out the cpu frequencies on all cores (regardless if only a specific number of cores are dedicated to BOINC).  With pstate disabled, one could effectively governor with ondemand and ignore_nice_load.  This

13:42 <q5p4k0> is not the case with pstate enabled.  I will take your advice and see if I can determine the cpu temperatures

13:43 <Tank_Master> what operating system are you using?

13:44 <q5p4k0> linux w/kernel 3.12.5

13:46 <q5p4k0> I am using an i7-2600k that is known for its ability to take some heat.. so it will be interesting to see

13:46 <q5p4k0> what the temps are running at

13:57 <q5p4k0> with BOINC disabled.. temps run at 30-35C when frequences are not maxes.. when BOINC enabled and frequences maxed out.. temp is around 50C

14:01 <microchip_> q5p4k0: max temp is 72.6C - http://www.cpu-world.com/CPUs/Core_i7/Intel-Core%20i7-2600K%20CM8062300833908.html

14:01 <Romulus> <http://tinyurl.com/7qlculb> (at www.cpu-world.com)

14:03 <q5p4k0> going to let them churn awahile at max frequency and see if the temp raises.. but running at 50C is great with a threshold of 72.6

14:03 <q5p4k0> awhile..

14:04 <microchip_> q5p4k0: stock cooler?

14:05 <q5p4k0> yes

14:06 <q5p4k0> in comparison.. my macbook pro6,2 with just one core running at max frequency.. temperatue is running at 82C

14:06 <microchip_> i bought a Scythe Mugen 3 for my FX 8350. Cools really well. CPU stays at 40C while under full load

14:06 <q5p4k0> I will have to take a look

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14:12 <dddh> q5p4k0: you could watercool your CPU

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14:17 <dddh> for example http://www.corsair.com/us/hydro-series-h110-280mm-extreme-performance-liquid-cpu-cooler.html

14:17 <Romulus> <http://tinyurl.com/lwgwqeb> (at www.corsair.com)

14:17 <dddh> max temperature will be ~64 of C

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14:30 <q5p4k0> I think I am good.. all cores with max frequencies engaged is only running at 53C with stock heatsink/fan..

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16:18 <Caterpillar> Linux users: do you have this trouble on closing boinc-manager? http://youtu.be/oWG80Cyiuq0

16:18 <Romulus> Title: BOINC behaviour - YouTube (at youtu.be)

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16:39 <q5p4k0> Caterpillar: I typically fire off from command line.. and hit shift-modkey-c (tiled wm - awesome).. or type ctrl-c in terminal to kill

16:40 <Caterpillar> q5p4k0: I just found out that this is intended behaviour by boinc developers

16:40 <Caterpillar> and I think it is crazy

16:40 <Caterpillar> now to submit a bug report I have to waste time by subscribing to the boinc alpha mailing list, writing an e-mail and blablabla

16:41 <Caterpillar> can't they use a normal bugreport website?

16:41 <q5p4k0> yeah, that is odd behavior.

16:42 <Tank_Master> on windows, closing the boinc manager GUI prompts if you want to also stop the boinc core or not

16:43 <Caterpillar> ok

16:48 <hidgw> Other platforms don't do that?

16:49 <Tank_Master> idk, just only have experence on windows

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16:52 <Caterpillar> oh

16:53 <Caterpillar> the boinc alpha mailing list is private, so I cannot give you the mail I just sent

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17:16 <wdsmia> &wx 50319

17:16 <Romulus> wdsmia: Temperature: 23.0F / -5.0C | Humidity: 91% | Pressure: 29.91in / 1013hPa (Rising) | Conditions: Light Snow | Wind Direction: WSW | Wind Speed: 5.0mph / 8.0km/h ; Friday - Overcast with ice pellets, then a chance of snow in the afternoon. High of 28F with a windchill as low as 16F. Winds from the North at 10 to 15 mph. Chance of precipitation 20% .; Friday Night - Overcast. Low of 18F. Winds (1 more message)

17:16 <wdsmia> &more

17:16 <Romulus> wdsmia: less than 5 mph.; Saturday - Mostly cloudy. High of 28F. Winds from the NNE at 5 to 10 mph. Chance of snow 20%.; Winter Storm Watch for Polk County in effect until 6:00 PM CST on December 22, 2013;

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