Linux 3.16 Btrfs
Btrfs file-system benchmarks of Linux 3.15 and 3.16 kernels. Tests by Michael Larabel for a future article on Phoronix.com.


Linux 3.15: 

	Processor: Intel Core i7-3517U @ 3.00GHz (4 Cores), Motherboard: ASUS UX32VDA v1.0, Chipset: Intel 3rd Gen Core DRAM, Memory: 4096MB, Disk: 2 x 128GB SanDisk SD5SF212, Graphics: Intel HD 4000 512MB (1150MHz), Audio: Intel 7 /C210, Network: Intel Centrino Advanced-N 6235

	OS: Ubuntu 14.10, Kernel: 3.15.0-031500-generic (x86_64), Desktop: Unity 7.2.0, Display Server: X Server 1.15.1, Display Driver: intel 2.99.910, OpenGL: 3.3 Mesa 10.1.3, Compiler: GCC 4.8.3, File-System: btrfs, Screen Resolution: 1920x1080

Linux 3.16 Git: 

	Processor: Intel Core i7-3517U @ 3.00GHz (4 Cores), Motherboard: ASUS UX32VDA v1.0, Chipset: Intel 3rd Gen Core DRAM, Memory: 4096MB, Disk: 2 x 128GB SanDisk SD5SF212, Graphics: Intel HD 4000 512MB (1150MHz), Audio: Intel 7 /C210, Network: Intel Centrino Advanced-N 6235

	OS: Ubuntu 14.10, Kernel: 3.16.0-999-generic (x86_64), Desktop: Unity 7.2.0, Display Server: X Server 1.15.1, Display Driver: intel 2.99.910, OpenGL: 3.3 Mesa 10.1.3, Compiler: GCC 4.8.3, File-System: btrfs, Screen Resolution: 1920x1080


Flexible IO Tester 2.1.9
Test: Intel IOMeter File Server Access Pattern
Seconds (Run Time) < Lower Is Better
Linux 3.15 ..... 181.44 |====================================================
Linux 3.16 Git . 187.09 |======================================================


FS-Mark 3.3
Test: 1000 Files, 1MB Size
Files/s > Higher Is Better
Linux 3.15 ..... 51.80 |=======================================================
Linux 3.16 Git . 50.53 |======================================================


FS-Mark 3.3
Test: 5000 Files, 1MB Size, 4 Threads
Files/s > Higher Is Better
Linux 3.15 ..... 96.63  |===================================================
Linux 3.16 Git . 101.83 |======================================================


FS-Mark 3.3
Test: 4000 Files, 32 Sub Dirs, 1MB Size
Files/s > Higher Is Better
Linux 3.15 ..... 50.00 |=======================================================
Linux 3.16 Git . 50.37 |=======================================================


Dbench 4.0
Client Count: 6
MB/s > Higher Is Better
Linux 3.15 ..... 144.87 |======================================================
Linux 3.16 Git . 145.82 |======================================================


Threaded I/O Tester 0.3.3
Test: Random Write - Size Per Thread: 32MB - Thread Count: 4
MB/s > Higher Is Better
Linux 3.15 ..... 1.55 |========================================================
Linux 3.16 Git . 1.50 |======================================================


Compile Bench 0.6
Test: Compile
MB/s > Higher Is Better
Linux 3.15 ..... 256.94 |====================================================
Linux 3.16 Git . 266.51 |======================================================


Compile Bench 0.6
Test: Initial Create
MB/s > Higher Is Better
Linux 3.15 ..... 162.68 |======================================================
Linux 3.16 Git . 146.62 |=================================================