[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [ns] Difference between 8Gb and 8000Mb?



No..., just check out ns tcl code, Simulator::bw_parse{}can
do with Gb now.

Haobo Yu wrote:

> ns does not parse Gb (which was not that popular 3 years ago) You
> have to use 8000Mb for now.
>
> On Fri, 7 Jul 2000, Bo Wen wrote:
>
> > Date: Fri, 07 Jul 2000 21:10:53 -0700
> > From: Bo Wen <[email protected]>
> > To: Kaleelazhicathu R R Kumar <[email protected]>
> > Cc: [email protected]
> > Subject: Re: [ns] Difference between 8Gb and 8000Mb?
> >
> > No..., what I mean is bandwidth, not storage size.  For
> > bandwidth, they shouble be same.  My question might not
> > be clear:
> >
> > In my simulation, I defined all links with 8Gb, run ns;
> > defined all links with 8000Mb, run ns again.  I just found
> > the latter is much faster (I guess abround 100 times) than
> > the former.
> >
> > Why, is that possible the variable (bind_bw) binding problem?
> >
> > Thanks,
> >
> > Bo
> >
> > Kaleelazhicathu R R Kumar wrote:
> >
> > > it should be the other way i guess ...
> > > 8GB should be 8*1024*1024*1024=8589934592b
> > > 8000Mb=8000*1024*1024=8388608000b
> > > where 1024=1k
> > > by normal convention
> > > so 8Gb > 8000Mb
> > >   Renjish...
> > >
> > > -----Original Message-----
> > > From: Bo Wen [mailto:[email protected]]
> > > Sent: Saturday, July 08, 2000 8:18 AM
> > > To: [email protected]
> > > Subject: [ns] Difference between 8Gb and 8000Mb?
> > >
> > > I've got a werid phenomen, that when I define link with 8Gb,
> > > it runs 100(approximately) times slower than defining link
> > > with 8000Mb.
> > >
> > > Seems I'll try 8000000b, see whether it runs faster?
> > >
> > > Thanks.
> > >
> > > Bo Wen
> >
> >