Why does 1**2**3**4**5 raise a MemoryError?

Jason Swails jason.swails at gmail.com
Sun Mar 31 16:03:12 CEST 2013


On Sun, Mar 31, 2013 at 9:15 AM, Roy Smith <roy at panix.com> wrote:

>
> > $ prtstat 29937
> > Process: mongod            State: S (sleeping)
> > [...]
> > Memory
> >   Vsize:       1998285 MB
> >   RSS:         5428 MB
> >   RSS Limit: 18446744073709 MB
>
> If I counted the digits right, that 1.9 TB.  I love the RSS Limit.  I'll
> be really impressed when somebody builds a machine with enough RAM to
> reach that :-)
>

http://www.ncsa.illinois.edu/UserInfo/Resources/Hardware/SGIAltix/TechSummary/

Look at co-compute2.  The indicated memory is available as shared memory
across all 512 cores.  And that's nothing---it can be configured with up to
64 TB of global shared memory:
http://www.sgi.com/products/servers/uv/configs.html

Impressed? :)

All the best,
Jason
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