Ubuntu 15.04 vs. 15.10 Benchmarks
Tests by Michael Larabel testing out-of-the-box Ubuntu 15.04 and Ubuntu 15.10 on the same system.


Ubuntu 15.04: 

	Processor: Intel Core i7-5960X @ 3.50GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Xeon E5 v3/Core, Memory: 16384MB, Disk: 240GB OCZ VERTEX3, Graphics: MSI AMD Radeon R9 270 4096MB, Audio: Intel C610/X99, Monitor: DELL P2415Q, Network: Intel Connection

	OS: Ubuntu 15.04, Kernel: 3.19.0-30-generic (x86_64), Desktop: Unity 7.3.2, Display Server: X Server 1.17.1, Display Driver: radeon 7.5.0, OpenGL: 3.3 Mesa 10.5.2 Gallium 0.4, Compiler: GCC 4.9.2, File-System: ext4, Screen Resolution: 3840x2160

Ubuntu 15.10: 

	Processor: Intel Core i7-5960X @ 3.50GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Xeon E7 v3/Xeon, Memory: 16384MB, Disk: 240GB OCZ VERTEX3, Graphics: MSI AMD Radeon R7 370 / R9 270/370 OEM 4096MB, Audio: Realtek ALC1150, Monitor: SyncMaster, Network: Intel Connection

	OS: Ubuntu 15.10, Kernel: 4.2.0-16-generic (x86_64), Desktop: Unity, Display Server: X Server 1.17.2, Display Driver: radeon 7.5.99, OpenGL: 3.3 Mesa 11.0.2 Gallium 0.4, Compiler: GCC 5.2.1 20151010, File-System: ext4, Screen Resolution: 2560x1600


SQLite 3.8.10.2
Test Target: Default Test Directory
Seconds < Lower Is Better
Ubuntu 15.04 . 14.99 |=========================================================
Ubuntu 15.10 . 14.99 |=========================================================


Flexible IO Tester 2.1.13
Type: Random Read - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: MB/s
MB/s > Higher Is Better
Ubuntu 15.04 . 33.09 |=========================================================
Ubuntu 15.10 . 30.97 |=====================================================


Flexible IO Tester 2.1.13
Type: Random Write - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: MB/s
MB/s > Higher Is Better
Ubuntu 15.04 . 97.94  |=====================================================
Ubuntu 15.10 . 103.90 |========================================================


Flexible IO Tester 2.1.13
Type: Sequential Read - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: MB/s
MB/s > Higher Is Better
Ubuntu 15.04 . 32.10 |=========================================================
Ubuntu 15.10 . 31.91 |=========================================================


Flexible IO Tester 2.1.13
Type: Sequential Write - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: MB/s
MB/s > Higher Is Better
Ubuntu 15.04 . 110.92 |========================================================
Ubuntu 15.10 . 104.09 |=====================================================


Dbench 4.0
Client Count: 6
MB/s > Higher Is Better
Ubuntu 15.04 . 814.04 |========================================================
Ubuntu 15.10 . 817.01 |========================================================


Compile Bench 0.6
Test: Compile
MB/s > Higher Is Better
Ubuntu 15.04 . 908.14 |========================================================
Ubuntu 15.10 . 915.62 |========================================================


Compile Bench 0.6
Test: Initial Create
MB/s > Higher Is Better
Ubuntu 15.04 . 360.14 |========================================================
Ubuntu 15.10 . 324.05 |==================================================


FFTE 5.0
Test: N=64, 1D Complex FFT Routine
MFLOPS > Higher Is Better
Ubuntu 15.04 . 5324.28 |=======================================================
Ubuntu 15.10 . 5292.53 |=======================================================


FFTW 3.3.4
Build: Float + SSE - Size: 2D FFT Size 4096
Mflops > Higher Is Better
Ubuntu 15.04 . 12285 |========================================================
Ubuntu 15.10 . 12445 |=========================================================


VP8 libvpx Encoding 1.3.0
vpxenc
Frames Per Second > Higher Is Better
Ubuntu 15.04 . 35.86 |=========================================================


x264 2014-08-30
H.264 Video Encoding
Frames Per Second > Higher Is Better
Ubuntu 15.04 . 276.46 |========================================================
Ubuntu 15.10 . 233.89 |===============================================


Timed Linux Kernel Compilation 3.18-rc6
Time To Compile
Seconds < Lower Is Better
Ubuntu 15.04 . 63.62  |============================
Ubuntu 15.10 . 129.10 |========================================================


C-Ray 1.1
Total Time
Seconds < Lower Is Better
Ubuntu 15.04 . 13.01 |=================================================
Ubuntu 15.10 . 15.12 |=========================================================


LAME MP3 Encoding 3.99.3
WAV To MP3
Seconds < Lower Is Better
Ubuntu 15.04 . 13.29 |=========================================================
Ubuntu 15.10 . 13.02 |========================================================


FFmpeg 2.6.2
H.264 HD To NTSC DV
Seconds < Lower Is Better
Ubuntu 15.04 . 24.86 |=========================================================
Ubuntu 15.10 . 24.47 |========================================================


PostgreSQL pgbench 9.4.3
Scaling: On-Disk - Test: Normal Load - Mode: Read Write
TPS > Higher Is Better
Ubuntu 15.04 . 6363.26 |=======================================================
Ubuntu 15.10 . 6328.41 |=======================================================


PostgreSQL pgbench 9.4.3
Scaling: Mostly RAM - Test: Normal Load - Mode: Read Write
TPS > Higher Is Better
Ubuntu 15.04 . 9458.67 |======================================================
Ubuntu 15.10 . 9547.57 |=======================================================