CPU-bound sysbench on a large server: Postgres 12 to 19 beta1

This has results from sysbench on a small server with Postgres versions 12 through 19 beta1. Sysbench is run with high concurrency (40 connections) and a cached database. The purpose is to search for changes in performance. Postgres remains boring, it is hard to find performance regressions. tl;dr for Postgres 17 to 19 there are no regressions throughput on the read-only-count test improves by ~3X…