Hi all,
I'm trying to use "-fast-fwd-insns" option in my simulations.
I'm getting the following warning every time I run simulations.
All CPU context will be fast-forwared to 5000000 instructions.
WARNING: Early switching to simulation mode. Instrucitons remaining in each
CPU context to fast-forward are:
CPU 0: 4920101
CPU 1: 3197246
CPU 2: 4578852
CPU 3: 12696199
The remaining instructions for CPU 3 is not reasonable at all. I was also
wondering why fast-forwarding couldn't be completed in any of my simulations.
For the record, this is my simconfig:
-machine shared_l2
-corefreq 2G
-fast-fwd-insns 20M
-stats %(out_dir)s/%(bench)s.yml
-dramsim-device-ini-file ini/sg125.ini
-dramsim-results-dir-name %(out_dir)s_%(bench)s
-startlog 1M
-loglevel 1
-stopinsns 20M
I have another question. What does happen if we have "-stopinsns X",
"-fast-fwd-insns Y", and "-startlog Z". Does it mean that after Y+Z
instructions MARSS starts collecting stats and after Y+Z instructions it
terminates (rather than starting stat collection after min(Y,Z) and
terminating after max(Y,X))?
Thank you in advance for your time.
Best,
Seyed
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