On 10/1/2017 9:10 PM, hw wrote: > I´m trying to download the PDF you pointed me to, but the download is > stalled. I´m running Centos 7.4, but perhaps there´s an explanation > in the PDF that might tell me what NUMA split mode is supposed to be. it loaded fine here again tonight. huh. the gist of the article is that they got at best 2-4% improvements with RHEL 6/SLES 6 on dual nehalem/westmere Xeon's when NUMA was enabled. I see no mention of NUMA Split mode -- john r pierce, recycling bits in santa cruz