[ndnSIM] ndnSIM Performance

[Alex Afanasyev]

Hi Hisham,

Sorry for the delayed reply.  Is your simulation scenario written in c++ or python?  Also, how do you run the simulation?  If with ./waf --run, then the python you see is probably related to this part.

---
Alex

> On Jun 3, 2015, at 8:28 PM, Hisham Farahat <hishamfarahat at gmail.com> wrote:
> 
> One more thing.
> Why python2.7 is taking ~20%?
> 
> 
> On Wed, Jun 3, 2015 at 10:28 PM, Hisham Farahat <hishamfarahat at gmail.com <mailto:hishamfarahat at gmail.com>> wrote:
> Hi,
> Yeah, I run my code in optimized mode.
> 
> On Fri, May 15, 2015 at 7:21 PM, Alex Afanasyev <alexander.afanasyev at ucla.edu <mailto:alexander.afanasyev at ucla.edu>> wrote:
> Hi Hisham,
> 
> I hope you’re compiling and running code in optimized mode (./waf configure -d optimized).
> 
> In optimized mode, ~Ptr() should just decrement a counter, in debug mode there could be more complex things happening, though I’m not sure why would it take 50% of time.
> 
> —
> Alex
> 
> > On May 2, 2015, at 6:59 PM, Hisham Farahat <hishamfarahat at gmail.com <mailto:hishamfarahat at gmail.com>> wrote:
> >
> > Hi,
> > I'm trying to profile ndnSIM 1.0, because My simulation scenarios are taking too long to finish. This was the results:
> > CPU: Intel Sandy Bridge microarchitecture, speed 3800 MHz (estimated)
> > Counted CPU_CLK_UNHALTED events (Clock cycles when not halted) with a unit mask of 0x00 (No unit mask) count 100000
> > samples  %        app name                 symbol name
> > 610808   49.4017  ndn         ns3::Ptr<ns3::ndn::Face>::~Ptr()
> > 268401   21.7081  python2.7                /usr/bin/python2.7
> > 107633    8.7053  ndn        ns3::Ptr<ns3::Packet>::~Ptr()
> > 76617     6.1967  ndn         ns3::Ptr<ns3::Packet const>::~Ptr()
> > 23462     1.8976  ndn         ns3::Ptr<ns3::ndn::Interest const>::~Ptr()
> > .....
> >
> > is this normal? 50% on ~Ptr() ?
> > Am i doing something wrong?
> >
> > Regards,
> 
> 
> 
> 
> --
> Hisham Farahat
> 
> 
> 
> --
> Hisham Farahat

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