Benchmarking Hardwood 1.0 on a Threadripper 9980X

Hardwood is a minimal-dependency Java library for reading Parquet files. It currently has row-reader and columnar-reader APIs, with Parquet writing planned for the future. Gunnar Morling, Hardwood’s author, published some initial benchmarks in the v1.0 announcement, comparing Hardwood’s row and column readers against Parquet Java. Those benchmarks measured read speed against already-downloaded…