add pmf compute
add pmf compute

luwei0917/awsemmd_script,luwei0917/awsemmd_script,luwei0917/awsemmd_script,luwei0917/awsemmd_script,luwei0917/awsemmd_script,luwei0917/awsemmd_script,luwei0917/awsemmd_script,luwei0917/awsemmd_script