Hi Anu, TOSSIM in TOS 2.x has specifically been written to be more efficient. You probably notice a difference especially when you interact with the TOS 1.x simulation with a java-based application, such as TinyViz.
I don't think there would me much of a difference on real hardware. Cheers, Urs Anu Singh schrieb: > Hi All, > Is there is a considerable performance difference between TinyOS-1 and > TinyOS-2? I am doing simulation using TOSSIM for a program (encodes a > message passing iterative algorithm among network nodes). I wrote the logic > of the program in nesC for both TinyOS-1 and TinyOS-2. When I simulated > the programs using TOSSIM for TinyOS-1 and TinyOS-2 (both running under > similar machine settings) I observed that for simulating same number of > iterations of the program it takes considerably longer in TinyOS-1 than in > TinyOS-2. For example, for 40 iterations (200 virtual seconds) of the > program for 25 nodes it took 6 seconds in TinyOS-2, and 125 seconds in > TinyOS-1. And when I simulated the program for 1000 iterations (5000 > virtual seconds) for 25 nodes it took 28 seconds in TinyOS-2, and 51 > minutes in TinyOS-1. > > I am new to TinyOS. Is this difference in simulations times between TinyOS-1 > and TinyOS-2 usual? What are the possible reasons for it? > > I have a few more questions: > 1. How long is message transmission time between two connected nodes (link > gain 0.0) in TinyOS (TOSSIM). > 2. The '-l' option while running TOSSIM for tinyos-1 doesn't allow scaling > more than approximately 1.5 times (that is simulate 1.5 virtual seconds in 1 > real second). Can the scaling factor be increased beyong 1.5 to reduce real > simulation time. > > Thanks, > -Anu _______________________________________________ Tinyos-help mailing list Tinyos-help@Millennium.Berkeley.EDU https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
