A more up-to-date version of the tutorial can be found at http://learning.gem5.org. This is where it will live for the foreseeable future.
Jason On Mon, Feb 27, 2017 at 5:58 AM Serhat Gesoglu < serhat.geso...@manchester.ac.uk> wrote: > Hello, > L3 cache is not implemented in gem5 but you can manually implement it (and > add a command line option such as --l3caches), unless you are using ruby > (as far as I know due to not having a 3-level coherence protocol). > > You may want to check this tutorial for more information about adding > caches: > http://pages.cs.wisc.edu/~david/courses/cs752/Spring2015/gem5-tutorial/part1/cache_config.html > > Hope this helps > > Cheers > Serhat > > ________________________________________ > From: gem5-users [gem5-users-boun...@gem5.org] on behalf of Moussa, Ayman > [ayman.mouss...@imperial.ac.uk] > Sent: 27 February 2017 11:43 > To: gem5 users mailing list > Subject: [gem5-users] l3 cache > > Does the standard system call script (se.py) model an L3 cache or is it > only L1 and L2? When I ran it with the -h option, I saw an option for L3 > caches so I used that: > > > build/ARM/gem5.opt configs/example/se.py --caches --l2cache --num-dirs=1 > --num-l2caches=1 --num-l2caches=1 --l1d_size=16kB --l1i_size=16kB > --l2_size=64kB --l3_size=128kB --l1d_assoc=4 --l1i_assoc=4 --l2_assoc=8 > --l3_assoc=16 --cpu-type=DerivO3CPU --mem-type=DDR3_2133_x64 -c > tests/test-progs/hello/bin/arm/linux/hello > > > but when I check the output of stats.txt and config.ini, there is no data > about L3 caches which was driving me crazy as it was in the options. I > checked the se.py too and didn't see anything specifying L3 caches (maybe > I'm looking in the wrong place?) If I want to model an L3 cache, do I need > to manually add it? > > > Thanks > > Ayman > > _______________________________________________ > gem5-users mailing list > gem5-users@gem5.org > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users
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