Hello,

I'm testing tvm on android phone via RPC. I'm wondering how to know which flags 
I have to use, e.g.

I have phone with mt6762v platform, which has cortex A53 procesor and PowerVR 
GPU. Android is aarch64, so I decided to you following flags: `llvm 
-mtriple=aarch64-linux-gnu -device=arm_cpu -mcpu=cortex-a53 -model=mt6762v`, 
but I do not see difference in latency between  aarch64-linux-gnu and 
aarch64-linux-android, there is no significant boost with or without model and 
mcpu. Big difference is when I enable flag -device=arm_cpu, then I do not see 
error about not optimized x86 operations, but latency is notably higher. These 
are my results about runing only benchmark without any tuning.





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