AutoTVM failure on CPU. Could not find any valid schedule for task Task(func_name=dense_cblas.x86)

When I use AutoTVM to tune my model, the tuning process failed.

The content of file /tmp/tvm_tuning_errors_vlmijy10.log For better performance I changed my target to llvm -mcpu=skylake-avx512 -libs=mkl,mkldnn,cblas, and batch_size was changed to 16. I’m a novice in TVM, and according to this error log, it’s hard for me to find the cause of the error.I tried changing batch_size to 1 and this warning went away, can anyone give me some advice.