Saving time (and pain) with Posit Public Package Manager
summary
Posit Public Package Manager (p3m.dev) claims to make package installs faster and reproducible by serving daily CRAN snapshots (also PyPI and upcoming Bioconductor snapshots), providing prebuilt binaries back to R 3.6 across 12 Linux distros plus Windows and Mac, and handling rebuilds of reverse dependencies across six R versions. The service records 40 million installs/month, lets users pin installs to a specific date to recreate environments, cuts multi‑minute builds (e.g., TensorFlow with deps) to ~40 seconds, and complements tools like renv.
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chapters (7)
- 0:00Introduction
- 0:13Understanding CRAN and P3M
- 2:14Addressing reproducibility pain
- 3:43Overcoming slow installations
- 4:54Performance demonstration
- 9:22Setup and onboarding
- 12:23Q&A and concluding remarks
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