Using taskset pinning my numbers improves: $taskset --cpu-list 8 ./costofthread avg: 11000~ $taskset --cpu-list 8,11 ./costofthread avg: 33000~ $./costofthre

Using taskset pinning my numbers improves: $taskset --cpu-list 8 ./costofthread avg: 11000~ $taskset --cpu-list 8,11 ./costofthread avg: 33000~ $./costofthread avg: 60000~