Have you tried optimising and benchmarking on a 2.6 kernel? I found the more recent kennels in rhel7 that the amount of kernel work being done very hard to con

Have you tried optimising and benchmarking on a 2.6 kernel? I found the more recent kennels in rhel7 that the amount of kernel work being done very hard to control. The first core on any numa node is especially problematic and induce horrific jitter