Hi Muzamil,
A memory size of 8GB seems very large to me. The test parameter set
should run with max 2 GB and the larger parameter sets are not really
feasible if you want bearable runtimes.
Issue (i) seems to be the same problem I had with gromacs. Most
architectures use downward growing mmap regions, but the mremap
function, which is called by gromacs, does not respect this. I have
submitted my fix at
https://gem5-review.googlesource.com/#/c/public/gem5/+/4700/ .
Rico
Am 14.09.2017 um 18:07 schrieb Muzamil Rafique:
Hi All,
I have a question regarding relationship (if any) that exists between host
memory size and memory range assigned using option --mem-size=MEM_SIZE. If
memory size of my host machine is 4GB(RAM), can I assign --mem-size=8GB in
gem5 simulator se mode? If yes, what is the origin of these type of errors
that encountered when assigning different SPEC2006 benchmarks as
workloads.
(i)
warn: mremapping to new vaddr 0x7ffff79c8000-0x7ffff7a09000, adding 65536
warn: returning 0x7ffff79c8000 as start
fatal: FuncPageTable::allocate: addr 0x7ffff79e8000 already mapped
Memory Usage: 8869576 KBytes
(ii)
panic: Tried to write unmapped address 0x7ffffa9ed740.
Memory Usage: 8714168 KBytes
Program aborted at tick 3243857330565
Any feedback would be greatly appreciated :)
Thanks
Muzamil
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