Linux 3.17 To Linux 4.16 Kernel Benchmarks On Intel Gulftown & Haswell Hardware

PostgreSQL is slightly slower in this particular pgbench test configuration since being mitigated for Spectre and Meltdown.

GIMP has been one of the real-world workloads we have found to be slower in benchmarks due to this year's mitigation work, but in the grand scheme of the kernel performance since 2014, it's not too much of a difference.