2018-11-04 04:03:17 /usr/bin/hackbench -g 256 --process -l 30000 Running in process mode with 256 groups using 40 file descriptors each (== 10240 tasks) Each sender will pass 30000 messages of 100 bytes Time: 525.379 2018-11-04 04:12:07 /usr/bin/hackbench -g 256 --process -l 30000 Running in process mode with 256 groups using 40 file descriptors each (== 10240 tasks) Each sender will pass 30000 messages of 100 bytes Time: 462.785