Re: [Gems-users] GEMS is not using signature filters

[Luke Yen <lyen@xxxxxxxxxxx>]

  Can you check whether there are any stats printed out for the "xact 
Commit" section?  This lists each static XID and average stats (i.e., 
read/write set lines, latency, aborts, etc.)
  The stats you list below are independent of imperfect or 
perfect signatures, and should be nonzero even for Perfect signatures.
   Luke

On Thu, 23 Oct 2008, Ricardo Quislant del Barrio wrote:

> Hi,
> I'm simulating a benchmark with Simics 3.0.31 and GEMS 2.1. Everything
> is going ok. There's
> no errors, but it seems like GEMS is not using signature filters as
> stats show the following:
>
> xact_read_set_size_dist: [binsize: 1 max: 0 count: 4096 average:     0 |
> standard deviation: 0 | 4096 ]
> xact_write_set_size_dist: [binsize: 1 max: 0 count: 4096 average:     0
> | standard deviation: 0 | 4096 ]
>
> GEMS is counting the number of transactions but these transactions don't
> insert anything in the filters.
>
> These are some parameters I set:
>
> XACT_MEMORY: true
> XACT_ENABLE_TOURMALINE: false
> XACT_NUM_CURRENT: 0
> XACT_LAST_UPDATE: 0
> XACT_ISOLATION_CHECK: true
> PERFECT_FILTER: false
> READ_WRITE_FILTER: H3_1024_4_Regular
> PERFECT_VIRTUAL_FILTER: true
> VIRTUAL_READ_WRITE_FILTER: Perfect_
> PERFECT_SUMMARY_FILTER: true
> SUMMARY_READ_WRITE_FILTER: Perfect_
> XACT_EAGER_CD: true
> XACT_LAZY_VM: false
> XACT_CONFLICT_RES: BASE
> XACT_VISUALIZER: false
> XACT_COMMIT_TOKEN_LATENCY: 0
> XACT_NO_BACKOFF: false
> XACT_LOG_BUFFER_SIZE: 0
>
>
> Thanks
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