Re: [Gems-users] regarding cmp configuration

[Mike Marty <mikem@xxxxxxxxxxx>]

It looks like you are loading a checkpoint for 32-processors, but Ruby is
configured for 16 processors??

You can use the PT_TO_PT topology to create CMP networks for any number of
processors.  Otherwise create a network file in
ruby/network/simple/Network_Files.  You can base one off of the others by
removing components and links where needed.

--Mike


> hi
> I was trying to simulate a cmp configuration (from the tutorial and
> following some of the messages from the list)
> I am getting this error message
> -----------------------------------------------
> Turning I-STC off and flushing old data
> Turning D-STC off and flushing old data
> successful installation of the ruby timing model.
> Ruby Timing Mode
> Creating event queue...
> Creating event queue done
> Creating system...
>   Processors: 16
> Creating system done
> Ruby initialization complete
> simics> c
> ***  Simics getting shaky, switching to 'safe' mode.
> ***  Simics (main thread) received a segmentation fault. Will try to
> recuperate.
> <Simics is running in 'safe' mode>
> -----------------------------------
> I am using simics version 2.0.16 I have been able to run the SMP
> protocols successfully, but all the CMP protocols (non-token) seem to
> give me this error
> here is my .simics file , i m trying to load ruby after a checkpoint
> read-configuration ./checkpoints/basic_32p_splash
> instruction-fetch-mode instruction-fetch-trace
> istc-disable
> dstc-disable
> load-module ruby
> ruby0.setparam g_NUM_PROCESSORS 16
> ruby0.setparam g_MEMORY_SIZE_BYTES 536870912  ## this is to match the
> initial memory size in sarek
> ruby0.setparam g_PROCS_PER_CHIP 4
> ruby0.setparam g_NUM_MEMORIES 16
> ruby0.setparam g_NUM_L2_BANKS 4
> ruby0.setparam NUMBER_OF_VIRTUAL_NETWORKS 5
> ruby0.setparam g_endpoint_bandwidth 1000
> ruby0.setparam_str g_NETWORK_TOPOLOGY FILE_SPECIFIED
> ##ruby0.setparam_str  REMOVE_SINGLE_CYCLE_DCACHE_FAST_PATH false
> ruby0.init
> #run-python-file "./ruby_config.py" ## this file is for supporting magic
> Could u tell me if I have set any parameter incorrectly. I tried to use
> the debug facility ( i can send you a snapshot of the debug o/p file
> too, I couldnt figure out what went wrong )
>
> Also another thing that I am interested in is regarding the CMP
> configurations u offer, does the network topology have to be
> FILE_SPECIFIED with a CMP configration, becoz I couldnt find any
> 2-processor-per- chip CMP network file?  Is there a way to make one ?
>
> -fl
>
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