On Fri, Apr 06, 2007 at 03:39:28PM -0700, Francesco Pietra wrote:
>
> QUESTIONS:
> 1) How to set shmmax in debian?
Look in /proc/sys/kernel ... there are several shared memory parameters
there.
[Not sure about the rest]
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On Saturday, 07.04.2007 at 14:02 -0400, Greg Folkert wrote:
> On Sat, 2007-04-07 at 18:53 +0100, Dave Ewart wrote:
> > On Saturday, 07.04.2007 at 12:08 -0400, Greg Folkert wrote:
> >
> > > On Sat, 2007-04-07 at 16:06 +0100, Dave Ewart wrote:
> > > > On Friday, 06.04.2007 at 15:39 -0700, Francesco
On Sat, 2007-04-07 at 18:53 +0100, Dave Ewart wrote:
> On Saturday, 07.04.2007 at 12:08 -0400, Greg Folkert wrote:
>
> > On Sat, 2007-04-07 at 16:06 +0100, Dave Ewart wrote:
> > > On Friday, 06.04.2007 at 15:39 -0700, Francesco Pietra wrote:
> > >
> > > > 1) How to set shmmax in debian?
> > >
>
On Saturday, 07.04.2007 at 12:08 -0400, Greg Folkert wrote:
> On Sat, 2007-04-07 at 16:06 +0100, Dave Ewart wrote:
> > On Friday, 06.04.2007 at 15:39 -0700, Francesco Pietra wrote:
> >
> > > 1) How to set shmmax in debian?
> >
> > For the running kernel, echo a value to /proc/sys/kernel/shmmax
On Fri, 2007-04-06 at 15:39 -0700, Francesco Pietra wrote:
[context clipped]
> QUESTIONS:
> 1) How to set shmmax in debian?
shmmax is auto set on the Linux Kernel these days, you can set it but it
may or maynot be changed by the kernel itself.
But based on documentation of the default kernel VM
On Sat, 2007-04-07 at 16:06 +0100, Dave Ewart wrote:
> On Friday, 06.04.2007 at 15:39 -0700, Francesco Pietra wrote:
>
> > 1) How to set shmmax in debian?
>
> For the running kernel, echo a value to /proc/sys/kernel/shmmax - to
> make it a permanent setting (i.e. set automatically at subsequent
On Friday, 06.04.2007 at 15:39 -0700, Francesco Pietra wrote:
> 1) How to set shmmax in debian?
For the running kernel, echo a value to /proc/sys/kernel/shmmax - to
make it a permanent setting (i.e. set automatically at subsequent
reboots), include the setting in /etc/sysctl.conf:
kernel.shmmax
My quantum mechanical computational software (running
on amd64 etch with 3700mb per node, total ram 16GB) is
implicitly using shared memory segments to speed up
transfer outside the kernel. It is unable to allocate
a 38731776bytes segment, and the computation dies.
In fact, command "ipcsl -l" retu
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