I hope you will be using online BDI compression file. I think you should modify cache.cc file to use BDI. I could not understand how have you modified BeseSetAssoc file to accommodate BDI compression. Furthermore, i think sometimes little changed results are also possible in same experiments.
On Wed, May 22, 2019 at 12:50 PM Pooneh Safayenikoo <poneh.saf...@gmail.com> wrote: > Hi, > > I want to apply BDI compression on the L2 cache. So, I changed the config > file for the caches (gem5/configs/common/Caches.py) like following: > > class L1Cache(Cache): > tags = BaseSetAssoc() > compressor = NULL > class L2Cache(Cache): > tags = CompressedTags() > compressor = BDI() > > After that, I got the results for some SPEC benchmarks (I used a > configuration like BDI paper) to compare the L2 miss rate between this > compression and baseline (without applying BDI and CompressedTags). > But, miss rate increases a little for some benchmarks (like mcf and bzip). > Why BDI has higher L2 miss rate? I cannot make sense of it. > > Many thanks for any help! > > Best, > Pooneh > _______________________________________________ > gem5-users mailing list > gem5-users@gem5.org > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users
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