Public bug reported:
I have parpool in matlab and I have this test code in R.
n=16 # on my pc
library(lme4)
library(pbkrtest)
library(foreach)
library(doMC)
registerDoMC(n)
vertex=10000
foreach (vertex=1:n) %dopar% {
print(vertex)
}
And watch top
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-generic-lts-utopic 3.16.0.26.20
ProcVersionSignature: Ubuntu 3.16.0-26.35~14.04.1-generic 3.16.7-ckt1
Uname: Linux 3.16.0-26-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.14.1-0ubuntu3.6
Architecture: amd64
CurrentDesktop: X-Cinnamon
Date: Wed Dec 10 14:52:50 2014
InstallationDate: Installed on 2011-09-07 (1190 days ago)
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
SourcePackage: linux-meta-lts-utopic
UpgradeStatus: Upgraded to trusty on 2014-04-28 (226 days ago)
** Affects: linux-meta-lts-utopic (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug package-from-proposed trusty
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https://bugs.launchpad.net/bugs/1401124
Title:
The new utopic kernel prevent me from using hyper thread with matlalb
and R
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