Sorry for bad format, here is the test results maybe looks better: Performance ------------------------------------------------------------------------------------- write read randwrite randread regular poll BW=3939MiB/s BW=6596MiB/s IOPS=190K IOPS=526K IRQ BW=3927MiB/s BW=6567MiB/s IOPS=181K IOPS=216K hybrid poll BW=3933MiB/s BW=6600MiB/s IOPS=190K IOPS=390K(suboptimal) ------------------------------------------------------------------------------------- CPU Utilization ------------------------------------------------------------------------------------- write read randwrite randread regular poll 100% 100% 100% 100% IRQ 38% 53% 100% 100% hybrid poll 76% 32% 70% 85% ------------------------------------------------------------------------------------- -- hexue