zfs
Intel Core i7-6900K testing with a ASUS X99-A II (1504 BIOS) and eVGA NVIDIA GeForce GTX 980 4GB on Arch rolling via the Phoronix Test Suite.


ubuntu 19.10 with zfs: 

	Processor: Intel Core i7-6500U @ 3.10GHz (2 Cores / 4 Threads), Motherboard: Purism Librem 15 v3 v3.0 (4.6-a86d1b-Purism-4 BIOS), Chipset: Intel Xeon E3-1200 v5/E3-1500, Memory: 16384MB, Disk: 500GB Samsung SSD 850, Graphics: Intel HD 520 3GB (1050MHz), Audio: Realtek ALC269VC, Network: Qualcomm Atheros AR9462

	OS: Ubuntu 19.10, Kernel: 5.3.0-18-generic (x86_64), Desktop: GNOME Shell 3.34.1, Display Server: X Server 1.20.5, Display Driver: modesetting 1.20.5, OpenGL: 4.5 Mesa 19.2.1, Compiler: GCC 9.2.1 20191008, File-System: zfs, Screen Resolution: 1920x1080

BtrFS_01: 

	Processor: Intel Core i7-6900K @ 4.00GHz (8 Cores / 16 Threads), Motherboard: ASUS X99-A II (1504 BIOS), Chipset: Intel Xeon E7 v4/Xeon, Memory: 64512MB, Disk: 2 x Samsung SSD 950 PRO 512GB + 500GB Samsung SSD 850 + 480GB SanDisk SDSSDHII, Graphics: eVGA NVIDIA GeForce GTX 980 4GB (1265/3505MHz), Audio: Realtek ALC1150, Monitor: HQ272PPB, Network: Intel I218-V + Mellanox MT26448

	OS: Arch rolling, Kernel: 5.3.7-arch1-1-ARCH (x86_64), Desktop: Xfce 4.14, Display Server: X Server 1.20.5, Display Driver: NVIDIA 435.21, OpenGL: 4.6.0, Compiler: GCC 9.2.0 + Clang 9.0.0 + CUDA 10.1, File-System: btrfs, Screen Resolution: 6400x2160


SQLite 3.22
Timed SQLite Insertions
Seconds < Lower Is Better
ubuntu 19.10 with zfs . 53.87  |===================
BtrFS_01 .............. 136.77 |===============================================


FS-Mark 3.3
Test: 1000 Files, 1MB Size
Files/s > Higher Is Better
ubuntu 19.10 with zfs . 143.57 |===============================================
BtrFS_01 .............. 131.07 |===========================================


FS-Mark 3.3
Test: 5000 Files, 1MB Size, 4 Threads
Files/s > Higher Is Better
ubuntu 19.10 with zfs . 176.37 |========================
BtrFS_01 .............. 340.00 |===============================================


FS-Mark 3.3
Test: 4000 Files, 32 Sub Dirs, 1MB Size
Files/s > Higher Is Better
ubuntu 19.10 with zfs . 98.96  |=====================================
BtrFS_01 .............. 127.20 |===============================================


FS-Mark 3.3
Test: 1000 Files, 1MB Size, No Sync/FSync
Files/s > Higher Is Better
ubuntu 19.10 with zfs . 866.43  |=================
BtrFS_01 .............. 2401.27 |==============================================


Dbench 4.0
12 Clients
MB/s > Higher Is Better
ubuntu 19.10 with zfs . 412.24 |===============================================
BtrFS_01 .............. 311.77 |====================================


Dbench 4.0
1 Clients
MB/s > Higher Is Better
ubuntu 19.10 with zfs . 64.78 |================================================
BtrFS_01 .............. 51.51 |======================================


Compile Bench 0.6
Test: Compile
MB/s > Higher Is Better
ubuntu 19.10 with zfs . 998.10  |=====================
BtrFS_01 .............. 2221.95 |==============================================


Compile Bench 0.6
Test: Initial Create
MB/s > Higher Is Better
ubuntu 19.10 with zfs . 125.31 |=====================================
BtrFS_01 .............. 157.55 |===============================================


Compile Bench 0.6
Test: Read Compiled Tree
MB/s > Higher Is Better
ubuntu 19.10 with zfs . 814.93  |================
BtrFS_01 .............. 2287.10 |==============================================


PostMark 1.51
Disk Transaction Performance
TPS > Higher Is Better
ubuntu 19.10 with zfs . 1908 |===================
BtrFS_01 .............. 4870 |=================================================