With zil
Intel Xeon E31230 testing with a Supermicro X9SCL/X9SCM 0123456789 and Matrox MGA G200eW WPCM450 on FreeBSD via the Phoronix Test Suite.


With zil: 

	Processor: Intel Xeon E31230 @ 3.20GHz (8 Cores), Motherboard: Supermicro X9SCL/X9SCM 0123456789, Chipset: Intel Xeon E3-1200 Family DRAM, Memory: 16384MB, Disk: 4 x Hitachi HUA722010CLA330 JP4OA3EA + INTEL SSDSC2BB120G4 D2010355 + AHCI SGPIO Enclosure 1.00 0001, Graphics: Matrox MGA G200eW WPCM450, Network: Intel PRO/1000 Connection 7.6.1-k

	OS: FreeBSD, Kernel: 11.1-RELEASE-p15 (x86_64), Compiler: Clang 4.0.0 (SVN 297347), File-System: zfs


IOzone 3.465
Record Size: 4Kb - File Size: 512MB - Disk Test: Read Performance
MB/s > Higher Is Better
With zil . 1245 |==============================================================


IOzone 3.465
Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance
MB/s > Higher Is Better
With zil . 287 |===============================================================