Re: [Gems-users] ruby results

[Dan Gibson <degibson@xxxxxxxx>]

Try the following after ruby0.init:
phys_mem0.info
phys_mem.info

What does Simics print?

Dave Z. wrote:
> Yes, the SIMICS_VERSION is set to 3.0 and the
> GEMS_ROOT is "..", which is fine. After loading Ruby,
> Simics runs very fast as if Ruby is not working (which
> is true because the results are zero).
>
> Thanks,
>
> Dave
>
> --- Dan Gibson <degibson@xxxxxxxx> wrote:
>
>   
> > Did you change the SIMICS_VERSION settings in
> > Makefile.simics_version 
> > and did you change the GEMS_ROOT setting in the two
> > module makefiles? 
> > After changing, you must perform a full recompile.
> > Dave Z. wrote:
> >     
> > > I'm using the -stall option when I'm starting
> > >       
> > Simics.
> >     
> > > But the results are all zero. In my benchmarks,
> > >       
> > I'm
> >     
> > > using processor_bind to bind a thread to a
> > >       
> > processor.
> >     
> > > For example, the layout of my benchmarks are as
> > > follows:
> > >
> > > Thread0 (assigned to cpu0)
> > > MAGIC_BREAKPOINT;
> > > ...
> > >
> > > Thread1 (assigned to cpu1)
> > > ...
> > > MAGIC_BREAKPOINT;
> > >
> > > So, when Thread0 reaches the breakpoint, I load
> > >       
> > ruby
> >     
> > > and when Thread1 reaches the breakpoint, I dump
> > >       
> > the
> >     
> > > ruby stats. But the results I get are all zero.
> > >       
> > The
> >     
> > > Simics ouput is as follows:
> > >
> > > simics> c
> > > [cpu0] v:0x0000000000011184 p:0x001fdefd184  magic
> > > (sethi 0x40000, %g0)
> > > Setting new inspection cpu: cpu0
> > > simics> load-module ruby
> > > successful installation of the ruby timing model.
> > > simics> ruby0.init
> > > Ruby Timing Mode
> > > Warning: optimizations not enabled.
> > > Creating event queue...
> > > Creating event queue done
> > > Creating system...
> > >   Processors: 2
> > > Creating system done
> > > Ruby initialization complete
> > > simics> c
> > > [cpu1] v:0x00000000000130c0 p:0x001d68130c0  magic
> > > (sethi 0x40000, %g0)
> > > Setting new inspection cpu: cpu1
> > > simics> c
> > >
> > > This used to work with GEMS 1.3 and Simics 2.2.19.
> > >       
> > Is
> >     
> > > there any ideas why it doesn't work with Simics
> > > 3.0.22?
> > >
> > > Thanks a lot!
> > >
> > >
> > > --- Dan Gibson <degibson@xxxxxxxx> wrote:
> > >
> > >   
> > >       
> > > > Use the -stall option on the simics command line.
> > > >
> > > > Dave Z. wrote:
> > > >
> > > >     
> > > >         
> > > > > Hi, 
> > > > >
> > > > > Is the following problem not a GEMS issue?
> > > > >
> > > > > Thanks,
> > > > >
> > > > > Dave
> > > > >
> > > > > ----- Original Message ----
> > > > > From: Dave Z. <zhu_dave@xxxxxxxxx>
> > > > > To: gems Users <gems-users@xxxxxxxxxxx>
> > > > > Sent: Tuesday, November 21, 2006 11:57:21 AM
> > > > > Subject: [Gems-users] ruby results
> > > > >
> > > > > Hi,
> > > > >
> > > > > I've upgraded my Simics version to 3.0.22.
> > > > >       
> > > > >           
> > > > Everything
> > > >     
> > > >         
> > > > > seems to work fine except for the Ruby results.
> > > > >           
> > I'm
> >     
> > > > > not sure if this is a GEMS problem, but the
> > > > >           
> > results
> >     
> > > > >       
> > > > >           
> > > > I
> > > >     
> > > >         
> > > > > get regarding the memory requests (misses,
> > > > >       
> > > > >           
> > > > coherence
> > > >     
> > > >         
> > > > > events, etc.) are all zero. After reading my
> > > > > checkpoint, I do the following:
> > > > >
> > > > > instruction-fetch-mode instruction-fetch-trace
> > > > > istc-disable
> > > > > dstc-disable
> > > > > cpu-switch-time 1
> > > > > magic-break-enable
> > > > > load-module ruby
> > > > > ruby0.init
> > > > >
> > > > > The only thing different from my old
> > > > >           
> > configuration
> >     
> > > > >       
> > > > >           
> > > > is
> > > >     
> > > >         
> > > > > that I get a warning info as follows:
> > > > >
> > > > > [cpu0 info] Note that on this cpu,
> > > > > instruction-fetch-trace is implemented using
> > > > > instruction-cache-access-trace with a suitable
> > > > >       
> > > > >           
> > > > cache
> > > >     
> > > >         
> > > > > line size.
> > > > > [cpu1 info] Note that on this cpu,
> > > > > instruction-fetch-trace is implemented using
> > > > > instruction-cache-access-trace with a suitable
> > > > >       
> > > > >           
> > > > cache
> > > >     
> > > >         
> > > > > line size.
> > > > >
> > > > > The Simics folks say that it's a harmless info
> > > > >       
> > > > >           
> > > > message
> > > >     
> > > >         
> > > > > and the simulation results shouldn't change.
> > > > >
> > > > > Am I missing something? Has anyone had the same
> > > > > problem before?
> > > > >
> > > > > Thanks for your help!
> > > > >
> > > > >
> > > > >
> > > > >       
> > > > >           
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