Re: [Gems-users] num_xact in config.py

[Luke Yen <lyen@xxxxxxxxxxx>]

Ricardo,

   This parameter refers to workload transactions, and is not TM-specific. 
It is used to stop simulation after a certain number of workload 
transactions (e.g. units of work) have been reached.
   Placing a special Simics magic instruction (with magic number 0x5 or 
0x5000, I don't remember) in your program's source code will increment a 
counter in mfacet.py, which denotes the end of a workload transaction.
   When used in conjuction with setup_run_for_n_transactions() on the 
Simics command line, simulation will halt after your predefined number of workload 
transactions.
   Luke

On Thu, 29 Nov 2007, Ricardo Quislant del Barrio wrote:

> Hello, my question is the next:
> what does "num_xact" refer to?
> In "config.py" file, when you are filling the "microbenchmark_list" with
> your microbenchmarks, you are required to set the name of the benchmark,
> its command line parameters and so on. Among these parameters you can
> find the "num_xact" parameter.
> I would like to know if this parameter refers to the number of
> BEGIN_WORKLOAD_TRANSACTION/END_WORKLOAD_TRANSACTION pairs the
> microbenchmark will rise or, otherwise, to the number of
> BEGIN_TRANSACTION(id)/COMMIT_TRANSACTION(id) pairs.
>
> Thanks, Ricardo Quislant.
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