qemu - Is simulated PowerPC faster than actual PowerPC? -


i have used powerpc chip emulated qemu , using xilinx virtex ii pro execute powerpc instructions.

on both run custom rtos , measure time taken task. contents of task not differ between implementations, time taken has considerable gap.

the time taken on qemu around 200 microseconds, whereas time taken on xilinx chip 2000 microseconds.

why happen ? shouldn't running rtos on hardware directly faster emulating ?

edit: speed of both 300 mhz


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