Re: [Gems-users] PerfectSwitch wakeup

[Mike Marty <mikem@xxxxxxxxxxx>]

Niket Agarwal wrote:
> Hi all.
> I have questions regarding the network functioning in Gems.
>
> What I figured out is, all 'Perfect' Switches are woken up in an event 
> driven fashion and the wakeup() method is called. This happen's whenever 
> there is an 'event' for that particular switch to handle. The switch 
> then processes the request.
> I have 2 questions:
>
> 1. Where is the wakeup() call being made ?
>
>   
The global event queue.  See EventQueue.C

> 2. I followed the code and figured out that the switch transfers the 
> message from m_in to m_out. How is the message being transfered into the 
> next switch? Is link contention being modeled?
>   
PerfectSwitch does not model link contention.  This is the job of a 
Throttle, which keeps track of link bandwidth and adds queuing delay.  
Every link has a PerfectSwitch and a Throttle. 

--Mike