Comparison of C/POSIX standard library implementations for Linux

Comparison of C/POSIX standard library implementations for Linux A project of Eta Labs. The table below and notes which follow are a comparison of some of the different standard library implementations available for Linux, with a particular focus on the balance between feature-richness and bloat. I have tried to be fair and objective, but as I am the author of musl, that may have influenced my choice of which aspects to compare. Future directions for this comparison include detailed performance benchmarking and inclusion of additional library implementations, especially Google's Bionic and other BSD libc ports. Bloat comparison musl uClibc dietlibc glibc Complete .a set 426k 500k 120k 2.0M † Complete .so set 527k 560k 185k 7.9M † Smallest static C program 1.8k 5k 0.2k 662k Static hello (using printf) 13k 70k 6k 662k Dynamic overhead (min. dirty) 20k 40k 40k 48k Static overhead (min. dirty) 8k 12k 8k 28k Static stdio overhead (min. dirty) 8k 24k 16k 36k Configurable featureset no ye ... Read full article.