ugh Running pts/fio-1.4.0 via the Phoronix Test Suite. conf0: Processor: 16 x Intel Xeon Gold 6134 @ 3.19GHz (16 Cores), Motherboard: BHYVE 1.00, Chipset: Appliance Device 1275, Memory: 32768MB, Disk: 43GB BHYVE SATA DISK + 4 x 69GB BHYVE SATA DISK, Network: Red Hat Virtio device OS: Ubuntu 16.04, Kernel: 4.4.0-87-generic (x86_64), Compiler: GCC 5.4.0 20160609 + CUDA 9.1, File-System: ext4, System Layer: vm-other BHYVE SATA DISK: Processor: 16 x Intel Xeon Gold 6134 @ 3.19GHz (16 Cores), Motherboard: BHYVE 1.00, Chipset: Appliance Device 1275, Memory: 32768MB, Disk: 43GB BHYVE SATA DISK + 4 x 69GB BHYVE SATA DISK, Network: Red Hat Virtio device OS: Ubuntu 16.04, Kernel: 4.4.0-87-generic (x86_64), Compiler: GCC 5.4.0 20160609 + CUDA 9.1, File-System: ext4, System Layer: vm-other iPerf 3.1.3 Server Address: 10.0.0.1 - Server Port: 5201 - Duration: 10 Seconds - Test: TCP - Parallel: 5 Mbits/sec > Higher Is Better conf0 . 37015 |================================================================ Flexible IO Tester 2.1.11 Test: Example Network Job - Disk Target: Default Test Directory Seconds (Run Time) < Lower Is Better BHYVE SATA DISK . 35.58 |====================================================== Flexible IO Tester 2.1.11 Test: Intel IOMeter File Server Access Pattern - Disk Target: Default Test Directory Seconds (Run Time) < Lower Is Better BHYVE SATA DISK . 33.80 |======================================================