Hi, all. I'm new on GEM5. I've learned how to build the system and boot a OS on it.
I tried to test by running some small program such as "Hello World" and it worked fine. But I found it really takes me so much time when I choose a detailed CPU-type like O3. The command I typed is below: $ gem5.opt configs/example/fs.py --mem-size=256MB --cpu-type=detailed -caches \ --disk-image=/home/asic/fs_img/disks/arm.img  It takes me 4 hours till I can type some words on it.  And it takes me about 3~5 seconds to type just only a letter,  for example, typing the sentence "Hello World" may spends me 0.5~1 minute.    Is that normal? Another question is I found it takes most time at the step "Freeing init memory: 132K"  when I'm booting the system. I have no idea how to improve that question. Please tell me if I did something wrong! Thank you!    
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