How Compiler Explorer Works in 2025

• How Compiler Explorer Works in 2025 — Matt Godbolt's blog: How we handle 92 million compilations a year without everything catching fire

Thanks to Matt Godbolt for maintaining Compiler Explorer; it is truly an underrated gem.

I also picked up a few other insights from this post:

• google/nsjail: A lightweight process isolation tool that utilizes Linux namespaces, cgroups, rlimits and seccomp-bpf syscall filters, leveraging the Kafel BPF language for enhanced security. https://nsjail.dev
• Using squashfs to optimize 4TB of compiler storage
• Compiler Explorer Cost Transparency — Matt Godbolt's blog