- Sink Slow Blocks has bugs?
- boot output differs from original
- cpu_restore_count for cpu_restore_state seems to be normal
- problem: there are some errors during boot and trigger fail boot delay, which will force execution to sleep
- Rewrite Optimization 1
- simplify it
- Problem should be cpu_restore_state
- not exactly!
- New phenomena: now original is as slow as opt1 and opt2(maybe).
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- Debug Sinking slow blocks
- individual test : qemu_ld32, qemu_ld16[us], qemu_ld8[us], qemu_ld64
- rewrite!
- The approach
- two copies of tlb_load, and qemu_st, qemu_ld
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