Why should it be N*4GB? In each process using 4GB of memory? That doesn't seem right. I'd guess your issue is that a bad request is being generated somewhere in the memory system and making it incredibly large is just covering the problem up.
Ali On Feb 2, 2013, at 2:57 AM, Mahmood Naderan <mahmood...@gmail.com> wrote: > It is really annoying. I think mmap is responsible for this behavior. > > On 1/31/13, Mahmood Naderan <mahmood...@gmail.com> wrote: >> Hi >> I have found that in a N multicore simulation, defined memory size >> should be N*4GB. For example, I am simulting eight cores so I have to >> define 32GB memory. Otherwise I randomly get "unable to find >> destination ..." error. >> >> However in reality while the simulation is running, "top" command >> shows that about 1.5GB of memory is used. >> >> Another problem is that in a systeam with 32GB memory installed and >> 20GB free memory, I can not define a 32GB memory in gem5 simulation >> script. Otherwise I get "could not mmap" error message. >> >> Is there any better memory management? >> >> >> Regards, >> Mahmood >> > > > -- > Regards, > Mahmood > _______________________________________________ > gem5-users mailing list > gem5-users@gem5.org > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users > _______________________________________________ gem5-users mailing list gem5-users@gem5.org http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users
