Re: curiosity

[Timothy Stack <stack@cs.utah.edu>]

> Hi there! sorry for the double :)
> 
> In my sample app, I perform a computation on the 
> router node ( a matrix multiplication)
> 
> The computation is made in the Capsule class, and to make sure the 
> computation gets performed only on the "router" I check what the current node 
> is (I have only 3 : sender router and receiver) and in case it is the router, 
> I call my matrix_mult() before calling routeForNode...
> 
> The funny thing that is happening is that the size of the matrix influences 
> the number of packets that get sent by the sender over my 10 min testing 
> period... (the larger the matrix, the less packets are sent).
> 
> Why is this happening ??

uh, i don't understand...

> I thought that the whole capsule class got ditributed to all the nodes at the 
> beginning, and not with every packet...

it does

> If the code gets distributed at the beginning (I send 100 capsules before 
> starting measuring to make sure it IS distributed), then it should not 
> influence the performance of the sender... IMHO... :)

There is a bit of a delay in order for the code to be distributed, the
length of time for this can vary quite a bit.

> cheers
> 
> Andreas 

tim stack