Hi all,
I am trying to run BFS benchmark from the GAP benchmark suite
(https://github.com/sbeamer/gapbs) using GEM5 SE.
If I use an input graph with up to 16 million vertices everything works
fine.
However, when I use an input graph with more than 16 million vertices I
obtain the following error:
**** REAL SIMULATION ****
src/sim/simulate.cc:194: info: Entering event queue @ 0. Starting
simulation...
src/sim/syscall_emul.cc:85: warn: ignoring syscall set_robust_list(...)
(further warnings will be suppressed)
src/sim/mem_state.cc:443: info: Increasing stack size by one page.
src/sim/syscall_emul.cc:74: warn: ignoring syscall mprotect(...)
src/sim/mem_state.cc:443: info: Increasing stack size by one page.
src/sim/mem_state.cc:443: info: Increasing stack size by one page.
MemoryError: std::bad_alloc
At:
src/python/m5/simulate.py(201): simulate
/workspace/gem5/configs/common/Simulation.py(279): benchCheckpoints
/workspace/gem5/configs/common/Simulation.py(807): run
./configs/example/se.py(300): <module>
src/python/m5/main.py(630): main
I have tried invoking gem5.debug with GDB, but I don’t get a backtrace.
On my machine the benchmark runs correctly.
Has anyone ever had similar problems using relatively large workloads?
PS. I'm aware that I'm using the old "se.py," but I believe this is not
the cause of the problem.
Thank you in advance,
Mirco Mannino
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