GCC 8.1 vs. GCC 7.3 Compiler Benchmarks On Five AMD/Intel Linux Systems

With GCC 8.1 having been officially released last week, I have spent the past number of days running a variety of compiler benchmarks comparing this initial GCC8 stable release to the previous GCC 7.3 stable compiler release. Tests were done on five different Ubuntu 18.04 LTS Linux systems running very different AMD and Intel processors.