Add very simple tool to compare performance impact of current changes

4 jobs from timing_helpers in 3 minutes 28 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build
passed #2818
build_cmake

00:38

 
  Test
passed #2819
run_tests

00:40

 
  Sanitizer
passed #2821
run_address_sanitizer

01:13

passed #2820
run_thread_sanitizer

00:55