Benchmarking Wild vs. Mold
A technical analysis explores the performance discrepancies between the 'Mold' and 'Wild' linkers, specifically focusing on how benchmark configurations like filesystem choice and process forking affect results. The author aims to reconcile these differences to provide a more accurate comparison of the two tools.
Why it matters
Accurate benchmarking is critical for software developers to make informed decisions about build tool performance and infrastructure optimization.
Mold has recently updated their linker benchmarks and included Wild for the first time. These benchmarks show Wild being substantially slower than Mold in contrast to Wild’s most recently published benchmarks from our last release on August 4th. This post is an attempt to understand why there’s such a difference in the benchmark results.
Mold’s benchmarks were run on two machines:
Wild’s most recent benchmarks were run on one machine:
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