Scheduling, Fast and Slow

Authored by: Gui Ponce de Leon

While CPM (critical path method) and GPM (graphical path method) rely on activity-logic networks, and their kinship is undeniable, CPM is an early-date biased, early and late dates calculator and GPM is a planned-date biased, gap/drift/float calculator. This presentation is about the exercise of intuitive and deliberate thinking that naturally flow when schedulers engage in schedule analysis (whether with GPM or CPM). In particular, the author intends to show that what stakeholders see on a GPM canvas innately enhances both intuitive and deliberate choices and judgments in ways that CPM simply cannot