I will look at the cpu2000 run.

Sent from my iPhone

> On Jul 29, 2015, at 2:35 PM, Andreas Hansson <[email protected]> wrote:
> 
> Hi Mike,
> 
> The regression is using bzip2_source with lgred, which I think means the
> argument is already 1 :-(
> 
> Someone more familiar with the cpu2000.py script can perhaps have a look?
> 
> Andreas
> 
> On 29/07/2015 21:30, "gem5-dev on behalf of mike upton"
> <[email protected] on behalf of [email protected]> wrote:
> 
>> for me, the test version of 401.bzip2 in cpu2006 runs:
>> 
>> <bzip_exe> dryer.jpg 2
>> 
>> The final number appears to be the size of the input data in MB.
>> Since dryer.jpg is less than 2MB, it replicates the data.
>> 
>> Running this on my laptop takes abt 3 seconds.
>> 
>> If I change the params to:
>> <bzip_exe> dryer.jpg 1
>> 
>> it takes about 1.4 sec
>> 
>> so you should be able to cut the runtime in half.
>> 
>> 
>> On Wed, Jul 29, 2015 at 3:03 AM, Andreas Hansson <[email protected]>
>> wrote:
>> 
>>> Hi all,
>>> 
>>> bzip2 accounts for almost 30% of our regression CPU time, and there is
>>> no
>>> obvious way of reducing the dataset (like the other benchmarks). I
>>> believe
>>> Mike mentioned something at the ISCA workshop, but I cannot remember
>>> exactly what it was. Anyone got an idea? Mike?
>>> 
>>> Thanks,
>>> 
>>> Andreas
>>> 
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