before_sent:  The experiment results of evaluating eight widely used HPC subroutines based on Intel Xeon E5-2620 v4 CPUs,
before_sent_with_intent: <clarity>  The experiment results of evaluating eight widely used HPC subroutines based on Intel Xeon E5-2620 v4 CPUs,
after_sent:  The experiment results of evaluating eight widely used HPC subroutines based on Intel Xeon E5-2620 CPUs,