[gmx-users] overheating problem
David van der Spoel
spoel at xray.bmc.uu.se
Sat Feb 4 08:31:12 CET 2012
On 2012-02-03 23:49, ahmet yıldırım wrote:
> Dear Mark,
> Believe me, I tried all methods that you said but unfortunately the
> result doesnt change :(
It used to be like this that GROMACS ran more efficient on AMD cpus than
the official AMD burn-in code, and therefore also hotter. You could run
gromacs on fewer cores to see if that helps, but it seems like a
hardware problem. Have any warranty on your computers?
> 2012/2/4 Mark Abraham <Mark.Abraham at anu.edu.au
> <mailto:Mark.Abraham at anu.edu.au>>
> On 4/02/2012 8:24 AM, ahmet yıldırım wrote:
>> Dear users,
>> I am using ubuntu 11.1 (64 bit). The Ubuntu normally runs when I
>> dont run the Gromacs program. i.e there is not heating problem.
>> But the CPU is excessive heating (82 degree) when I run the gromacs.
> There are various "stress test" programs you can get if you Google
> around. I expect these will produce the same symptoms.
>> I am using the all cores at 100%. Now I have 2 PC.I use them
>> 1.first: It has Intel i7 920 CPU and Asus P6T SE motherboard
>> 2.second: It has Intel I7 960 and Gıgabyte x58A-UD5 LGA 1366
>> I have the problem of warming/overheating on both computers. I
>> could not figure out this problem for two weeks :(
>> By the way:
>> -I dont use an older compiler to get the binary. I am using gcc
>> 4.6 and I am using Gromacs 4.5.4
>> -I watch the temperatures by "lm sensor" program
>> -I installed ubuntu 32-bit but the result didnt change again
>> -I have sufficient cooling on both PC
> I'd say this is evidence that you don't have sufficient cooling.
>> It is likely something related to the program because no problem
>> with any hardware related to computers according to experts say.
> If things are installed correctly. For example, cheap thermal paste
> between the CPU and heat sink can cause these symptoms.
>> what do you suggest? :(
> Get more cooling. Maybe lower the clock speed (if possible). Run a
> less efficient MD code!
>> Adapter: ACPI interface
>> Vcore Voltage: +1.22 V (min = +0.80 V, max = +1.60 V)
>> +3.3 Voltage: +3.31 V (min = +2.97 V, max = +3.63 V)
>> +5 Voltage: +5.00 V (min = +4.50 V, max = +5.50 V)
>> +12 Voltage: +12.03 V (min = +10.20 V, max = +13.80 V)
>> CPU FAN Speed: 2163 RPM (min = 600 RPM)
>> CHASSIS1 FAN Speed: 0 RPM (min = 600 RPM)
>> CHASSIS2 FAN Speed: 2033 RPM (min = 600 RPM)
>> POWER FAN Speed: 0 RPM (min = 0 RPM)
>> CPU Temperature: +82.0°C (high = +60.0°C, crit = +75.0°C)
>> MB Temperature: +45.0°C (high = +45.0°C, crit = +75.0°C)
>> Adapter: PCI adapter
>> temp1: +60.5°C *
>> Ahmet Yıldırım
> gmx-users mailing list gmx-users at gromacs.org
> <mailto:gmx-users at gromacs.org>
> Please search the archive at
> http://www.gromacs.org/Support/Mailing_Lists/Search before posting!
> Please don't post (un)subscribe requests to the list. Use the
> www interface or send it to gmx-users-request at gromacs.org
> <mailto:gmx-users-request at gromacs.org>.
> Can't post? Read http://www.gromacs.org/Support/Mailing_Lists
> Ahmet Yıldırım
David van der Spoel, Ph.D., Professor of Biology
Dept. of Cell & Molec. Biol., Uppsala University.
Box 596, 75124 Uppsala, Sweden. Phone: +46184714205.
spoel at xray.bmc.uu.se http://folding.bmc.uu.se
More information about the gromacs.org_gmx-users