Give it a proper burial by 2028. Until then, keep compiling. Have a legacy 32-bit war story? Drop it in the comments below.

| Metric | 32-bit (18.04) | 64-bit (20.04) | | :--- | :--- | :--- | | | ~85 MB | ~115 MB | | Syscall overhead | Slightly lower | Slightly higher | | Security features | Limited ASLR | Full NX/SMEP | | Disk I/O | Faster on spinning rust | Faster on SSDs |

Keeping the Flame Alive: Why Ubuntu Server 32-Bit Still Matters in 2024 (And How to Use It)

ubuntu-server-32-bit-guide