Parallel wirtual machine

Parallel wirtual machine

Post by Guzma Vladimi » Thu, 10 Aug 2000 04:00:00


I am just curious if anyone even heard about subject?
I am asking here, because I am sure that if it realy exists, it runs FreeBSD:)


Vlado Guzma


Parallel wirtual machine

Post by Dave Simo » Fri, 11 Aug 2000 04:00:00

We've tracked down the source of the following rumour to



>I am just curious if anyone even heard about subject?
>I am asking here, because I am sure that if it realy exists,
>it runs FreeBSD:)


>Vlado Guzma

There's a NG called comp.parallel.pvm



OK, I've installed the free software. Now where's the free beer?

To mail me swing an axe between underscore and dave.


1. Request: mbuf management without wirtual memory

Hello all,


        Does anyone have code/advice about allocating mbufs and
clusters (like in Berkeley's uipc_mbuf.c) out of some fixed chunk of
memory, rather than out of the Unix virtual memory mechanics ?


        I am porting the Berkeley 4.3 Internet and sockets code
into a small and simple microprocessor-based box. The box has no
kernel (i.e. I am writing/porting code which talks directly to
hardware, with no routines below me) and has some small amount of RAM.
Running the Berkeley networking requires me to allocate mbufs and
clusters out of this RAM. The Berkeley mbuf allocating code
(uipc_mbuf.c) allocates mbufs out of the rather complicated Unix
virtual memory mechanism. I am a bit confused by this. I modified
this code to allocate mbufs as required by my application, but I
don't trust my code. Did somebody more expert that me do this work
before ?


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