cheers00

Hi, how do you modify your matmul.py to TF2? https://github.com/yaroslavvb/stuff/blob/master/matmul_benchmark.py I tried and replaced `opt_level=tf.OptimizerOptions.L0` with the following `tf.compat.v1.OptimizerOptions(opt_level=-1)` but there is huge variation from run to run.