* Multiprocessor simulation
@ 2002-09-18 11:05 Cristiano Pereira
2002-09-19 6:29 ` Frank Ch. Eigler
0 siblings, 1 reply; 2+ messages in thread
From: Cristiano Pereira @ 2002-09-18 11:05 UTC (permalink / raw)
To: sid
Hi all,
Can one run SID configured with multiple processors? Two processors for
instance?
If so, has anyone successfully done it?
Thanks,
Cristiano.
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* Re: Multiprocessor simulation
2002-09-18 11:05 Multiprocessor simulation Cristiano Pereira
@ 2002-09-19 6:29 ` Frank Ch. Eigler
0 siblings, 0 replies; 2+ messages in thread
From: Frank Ch. Eigler @ 2002-09-19 6:29 UTC (permalink / raw)
To: Cristiano Pereira; +Cc: sid
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Hi -
On Wed, Sep 18, 2002 at 06:05:31PM +0000, Cristiano Pereira wrote:
> Can one run SID configured with multiple processors? Two processors for
> instance? [...]
Sure. sid was designed to provide models as modular as integrated
circuits are. Conceptually, one replicates pieces that represent
unshared hardware (CPU, memory, whatever) to give them all distinct
names/types/connections. One challenge is configuring the non-hardware
modules: those parts that relate to debugging, program loading, host I/O,
scheduling. This can get complicated because of the number of degrees
of freedom. It is simpler for a homogenous SMP system, where almost
everything is shared.
The public sid/bsp/configrun-sid script doesn't know how to construct
such configurations automatically, but we have a newer C++-based
configuration generator written by Graydon Hoare that does know how.
If there is interest, we can try pushing it out to sourceware sooner
rather than later.
- FChE
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2002-09-18 11:05 Multiprocessor simulation Cristiano Pereira
2002-09-19 6:29 ` Frank Ch. Eigler
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