Re: [Gems-users] Zero L2 misses

[Rakesh Komuravelli <komurav1@xxxxxxxxxxxx>]

Hi Arka,

Thanks for the reply. I get compilation error when I uncomment that line. Looks like I also need to uncomment the definition of the function convertToGenericType() in MESI_SCMP_bankdirectory-msg.sm. But I get compilation error saying,

../protocols/MESI_SCMP_bankdirectory-msg.sm:119: Error: Type 'CoherenceRequestType' does not have enumeration 'PUTS'

The declaration of CoherenceRequestType is in the same file, MESI_SCMP_bankdirectory-msg.sm, and there is no entry for 'PUTS' in the enum declaration. So, if I comment the lines for undeclared types, it works. But I was looking at other protocol files, say for e.g., MESI_CMP_directory. MESI_CMP_directory-msg.sm has the same declaration for CoherenceRequestType as in MESI_SCMP_bankdirectory-msg.sm, but I don't get the above error when I compile ruby for MESI_CMP_directory even though the convertToGenericType() uses types that are not declared in the same file. Looks like it is pulling these other types from somewhere else. Any idea on what should I do to get it working for MESI_SCMP_bankdirectory?

Thanks,

Rakesh

On Thu, Nov 12, 2009 at 5:27 PM, Arkaprava Basu <basu@xxxxxxxxxxx> wrote:

Dear Rakesh,

          I think the profiling for L2 cache miss is turned off for
that particular protocol ( not sure why though). So I think the quick
fix is to go MESI_SCMP_bankdirectory-L2cache.sm and in the
action(uu_profileMiss, "\u", desc="Profile the demand miss" ) ,
*uncomment* the line that starts with profile_L2Cache_miss .

I think this will resolve the issue.


Thanks
Arka

Rakesh Komuravelli wrote:
> Hi,
>
> I see L2 misses to be zero in the Ruby dump-stats. All other entries under
> L2_cache cache stats are zero too. This is for MESI_SCMP_bankdirectory
> protocol. I do see L1 D cache stats but I don't see any L1 I cache stats
> because I am not loading Opal. The versions and other parameters I am using
> are as follows:
>
> Versions:
> simics 3
> gems 2.1.1
>
> Simics commands before loading ruby:
> instruction-fetch-mode instruction-fetch-trace,
> istc-disable,
> dstc-disable,
> cpu-switch-time 1
>
> Ruby commands:
> ruby0.setparam g_NUM_PROCESSORS 16,
> ruby0.setparam g_PROCS_PER_CHIP 16,
> ruby0.setparam g_MEMORY_SIZE_BYTES 268435456,
> ruby0.setparam g_NUM_L2_BANKS 16,
> ruby0.setparam g_NUM_MEMORIES 16,
> ruby0.setparam NUMBER_OF_VIRTUAL_NETWORKS 5,
> ruby0.setparam_str g_CACHE_DESIGN NUCA,
> ruby0.setparam_str g_NETWORK_TOPOLOGY FILE_SPECIFIED,
> ruby0.setparam g_DATA_BLOCK_BYTES 64,
> ruby0.init
>
> Any help is greatly appreciated.
>
> Thanks,
> Rakesh
>
>
>

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