Re: [Gems-users] network in ruby

["Mike Marty" <mikem@xxxxxxxxxxx>]

Yes, a virtual net stays the same until the message reaches its destination.  A message should still reach the destination without fault if you change the vnet.

 

--Mike

 

 

-----Original Message-----
From: gems-users-bounces@xxxxxxxxxxx [mailto:gems-users-bounces@xxxxxxxxxxx] On Behalf Of hongxia sun
Sent: Thursday, February 01, 2007 2:21 AM
To: Gems Users
Subject: Re: [Gems-users] network in ruby

 

Hi, Mike,

 

Another question: I notice that in the PerfectSwitch.C->wakeup, each "incoming" (including machine and other input links) has the number of total virtual nets. However, which virtual net that a message belongs to only depends on its sender and destination. That means a message will not change its virtual net throughout its transferring from node to node. In other words, virtual net is set fixed between machines but not set for adaptive routing. Am I right? If I change a message's virtual net during its routing process, could the message reach its destination without fault?

 

Thank you!

 

Best Regards,

Hongxia SUN

 

2007/2/1, Mike Marty <mikem@xxxxxxxxxxx>:

> I am working on the network code of ruby. And I have several questions on
> it.
>
> Firstly, I noticed that the SimpleNetwork, the PerfectSwitch and the
> Throttle all defined several MessageBuffer Vectors. Messages were
> transferred among these MessageBuffers. I was wondering that the
> MessageBuffers in PerfectSwitch and Throttle were only private copies of
> MessageBuffer defined in SimpleNetwork or they were independent
> MessageBuffers used to transferred messages. Were all the MessageBuffers
> defined in *.sm files, were not they?
>

MessageBuffers are all over the place.  They are in Slicc-defined
controllers, in Throttles, and in PerfectSwitches.  Messages traverse a
series of MessageBuffers until they reach the endpoint.

> Secondly, I noticed that when PerfectSwitch->addInPort and
> Throttle->addLinks they set them selves as the Consumers of the
> MessageBuffers. And when a message was enqueued to a corresponding
> MessageBuffer, it would wakeup its Consumer. Am I right?
>

Thats correct.

--Mike

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