Question 1

How does SwiftCPR compare to Xcode's built-in build time analyzer?

Accepted Answer

SwiftCPR automates log collection and ranking into reports, while Xcode's tools may require manual steps. However, SwiftCPR is outdated and less integrated, making it less practical for modern workflows.

Question 2

How to configure SwiftCPR for multiple schemes in a project?

Accepted Answer

The config.json only supports one scheme at a time. You would need to run the tool separately for each scheme or modify the script to handle multiple configurations manually.

Question 3

Can SwiftCPR be used with Swift Package Manager projects?

Accepted Answer

No, SwiftCPR is designed specifically for Xcode projects and workspaces, as per the README, and does not support Swift Package Manager-based projects.

Question 4

What should I do if SwiftCPR outputs errors during the build?

Accepted Answer

Check that all directories in config.json exist, ensure the correct Xcode and Swift versions are installed, and use xcode-select to switch to the stable Xcode version if needed, as mentioned in the README.

Question 5

How to update SwiftCPR to work with newer Swift versions?

Accepted Answer

The README mentions periodic updates, but since it's tied to 2016 snapshots, you might need to fork and adapt the codebase yourself, as there's no guarantee of maintenance.

Question 6

Does SwiftCPR analyze incremental builds or only full compilations?

Accepted Answer

The tool builds the target from scratch to collect logs, so it focuses on total build times and may not provide specific insights into incremental compilation performance.

SwiftCompilationPerformanceReporter

What is SwiftCompilationPerformanceReporter?

Overview

Use Cases

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Pros & Cons

Pros

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Frequently Asked Questions