[gem5-users] Memory Size error ( ARM cpu)

[Nazmus Sakib via gem5-users]

Hello.
In my experimental setup, I have two address ranges.
Inside the testbench C code, I have a pointer directly mapped to a virtual 
address.
In my gem5 setting, I map that virtual address to one of the address ranges. I 
have made sure they dont overlap.
They works fine for small data sizes. (in Kilo byte range)
However, for large size they are giving me the following error:

src/sim/mem_pool.cc:120: fatal: fatal condition freePages() <= 0 occurred: Out 
of memory, please increase size of physical memory.

I have increased the "—mem-size" from 8GB to 40GB. I know my data variables 
inside the C code is much less than this (but they are in Gigabyte range). The 
memory is either static global or dynamically allocated so I am assuming stack 
size is not an issue.
Any suggestion on how to handle this would be appreciated.
Thank you.


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