Re: [Gems-users] ruby results

["Dave Z." <zhu_dave@xxxxxxxxx>]

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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