Ringing In 2020 By Clang'ing The Linux 5.5 Kernel - Benchmarks Of GCC vs. Clang Built Kernels
Written by Michael Larabel in Software on 31 December 2019 at 11:00 AM EST. Page 4 of 5. 16 Comments.
PostgreSQL when running on the Clang-built kernel did appear to have a slight advantage over the traditional GCC-built Linux kernel.
Some of the Stress-NG kernel micro-benchmarks also were siding with the Clang-built kernel but with some exceptions.
The context switching time measured by ctx_clock was slightly faster with the GCC-built kernel.