If you are learning now
Repeat the laboratories, change one variable, and learn to recognize the shape of growth.
Complete edition · Free extracts
The Critical Path
How I Find the Limit Before the User Reaches It
A book about how measurement becomes a method, how ordinary work becomes expensive at scale, and how a system can remain fast and understandable long after the first delivery.
Three ways to read it
Useful at different levels of responsibility
If you coordinate
Ask for the operation, unit, tested volume, and the time or failure at which the limit appears.
If you design
Separate stages, compare complete paths, preserve the result, and leave enough margin for the next growth.
Read for free
Two concise ways to evaluate the book
Mini-book — about 30 pages
A coherent path through the main method, comparisons, and practical conclusions.
Quotes and essential lessons
The most memorable ideas, organized for quick consultation and review.
GitHub · DemoCriticalPath
Reproduce the experiments
The book explains the question and the decision. The repository preserves the code, measurements, logs, environment, and verified outcomes.
18demos
90logs
5runs / demo
100%synthetic data