On Aug 22, 2007, at 3:17 PM, Avinash Sridharan wrote:
Hi ,
We are running some throughput simulations on TOSSIM 2.0.2 that we
installed from the TinyOS website. In the simulation we have a
single receiver and two senders. The topology is such that all
nodes can hear each other. In the simulation the senders
continuously send packets to the receiver by posting a send task
the minute sendDone is returned.
The throughput values that we are getting are quite believable
(~300 pkts/sec), however the simulation is quite slow. For a 5
second simulation it takes close to an hour to complete. Could this
be due to the new noise model being used ? We are using the
complete meyers-heavy.txt file for generating the noise model.
It definitely shouldn't take that long. The meyer-heavy trace might
take a little while to process, but it's definitely been designed so
that the run-time cost is very low.
How many nodes are you simulating? If you create a dense RF topology
and only turn on 3 nodes, the RF simulation will still take a long
time, as it needs to consider what's happening at off nodes in case
they turn on in the middle of a packet.
Phil
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