filesystem performance
Btrfs on Intel Core i7-2600K testing with a Gigabyte Z68X-UD3H-B3 and Intel 2nd Generation Core Family IGP on Ubuntu 12.10 via the Phoronix Test Suite.


Btrfs: 

	Processor: Intel Core i7-2600K @ 3.70GHz (8 Cores), Motherboard: Gigabyte Z68X-UD3H-B3, Chipset: Intel 2nd Generation Core Family DRAM, Memory: 8192MB, Disk: 240GB SanDisk SDSSDX24 + 500GB Western Digital WD5000AAJS-5, Graphics: LLVMpipe, Audio: Realtek ALC889, Monitor: HP 2311, Network: Realtek RTL8111/8168B + Ralink RT2800 802.11n PCI

	OS: Ubuntu 12.10, Kernel: 3.5.0-18-generic (x86_64), Desktop: Cinnamon 1.6.6, Display Server: X Server 1.13.0, Display Driver: vesa 2.3.2, OpenGL: 2.1 Mesa 9.0 Gallium 0.4, Compiler: GCC 4.7, File-System: btrfs, Screen Resolution: 1920x1080


Flexible IO Tester 1.57
Intel IOMeter File Server Access Pattern
Seconds (Run Time) < Lower Is Better
Btrfs . 159.81 |===============================================================


FS-Mark 3.3
1000 Files, 1MB Size
Files/s > Higher Is Better
Btrfs . 213.75 |===============================================================


Dbench 4.0
12 Clients
MB/s > Higher Is Better
Btrfs . 1627.11 |==============================================================


Dbench 4.0
48 Clients
MB/s > Higher Is Better
Btrfs . 1495.94 |==============================================================


Dbench 4.0
128 Clients
MB/s > Higher Is Better
Btrfs . 1172.14 |==============================================================


Dbench 4.0
1 Clients
MB/s > Higher Is Better
Btrfs . 314.58 |===============================================================


Threaded I/O Tester 0.3.3
64MB Random Read - 32 Threads
MB/s > Higher Is Better
Btrfs . 12628.26 |=============================================================


Threaded I/O Tester 0.3.3
64MB Random Write - 32 Threads
MB/s > Higher Is Better
Btrfs . 299.16 |===============================================================