How to - Performance Indexes

Please share your preferred method of calculating and/or reporting performance indexes:

SCI – Schedule Compression Index

SPI – Schedule Performance Index

BEI – Baseline Execution Index

CEI – Current Execution Index

TFCI – Total Float Consumption Index

CPLI – Critical Path Length Index

Doing this within P6? Doing it manually? If manual, care to share your method? Do you utilize different software to assist with automatic calcs?

Thanks.