Linux 3.19 Intel Haswell Iris Graphics
A Kernel comparison via the Phoronix Test Suite.


Linux 3.17: 

	Processor: Intel Core i7-4558U @ 3.30GHz (4 Cores), Motherboard: ASUS UX301LAA v1.0, Chipset: Intel Haswell-ULT DRAM, Memory: 8192MB, Disk: 2 x 128GB SanDisk SD6SP1M1, Graphics: Intel Device 0a2e (1200MHz), Audio: Intel Haswell-ULT HD Audio, Monitor: LQ133T1JW14, Network: Intel Wireless 7260

	OS: Ubuntu 15.04, Kernel: 3.17.0-031700-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.2.901 (1.16.3 RC 1), Display Driver: intel 2.99.917, OpenGL: 3.3 Mesa 10.4.2, Compiler: GCC 4.9.2, File-System: ext4, Screen Resolution: 2560x1440

Linux 3.18: 

	Processor: Intel Core i7-4558U @ 3.30GHz (4 Cores), Motherboard: ASUS UX301LAA v1.0, Chipset: Intel Haswell-ULT DRAM, Memory: 8192MB, Disk: 2 x 128GB SanDisk SD6SP1M1, Graphics: Intel Device 0a2e (1200MHz), Audio: Intel Haswell-ULT HD Audio, Monitor: LQ133T1JW14, Network: Intel Wireless 7260

	OS: Ubuntu 15.04, Kernel: 3.18.0-031800-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.2.901 (1.16.3 RC 1), Display Driver: intel 2.99.917, OpenGL: 3.3 Mesa 10.4.2, Compiler: GCC 4.9.2, File-System: ext4, Screen Resolution: 2560x1440

Linux 3.19: 

	Processor: Intel Core i7-4558U @ 3.30GHz (4 Cores), Motherboard: ASUS UX301LAA v1.0, Chipset: Intel Haswell-ULT DRAM, Memory: 8192MB, Disk: 2 x 128GB SanDisk SD6SP1M1, Graphics: Intel Device 0a2e (1200MHz), Audio: Intel Haswell-ULT HD Audio, Monitor: LQ133T1JW14, Network: Intel Wireless 7260

	OS: Ubuntu 15.04, Kernel: 3.19.0-999-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.2.901 (1.16.3 RC 1), Display Driver: intel 2.99.917, OpenGL: 3.3 Mesa 10.4.2, Compiler: GCC 4.9.2, File-System: ext4, Screen Resolution: 2560x1440


OpenArena 0.8.8
Resolution: 1920 x 1080
Frames Per Second > Higher Is Better
Linux 3.17 . 38.73 |===========================================================
Linux 3.18 . 38.90 |===========================================================
Linux 3.19 . 31.62 |================================================


Tesseract 2014-05-12
Resolution: 1920 x 1080
Frames Per Second > Higher Is Better
Linux 3.17 . 42.33 |=========================================================
Linux 3.18 . 43.55 |===========================================================
Linux 3.19 . 41.80 |=========================================================


Warsow 1.51
Resolution: 1920 x 1080
Frames Per Second > Higher Is Better
Linux 3.17 . 37.27 |======================================================
Linux 3.18 . 40.47 |===========================================================
Linux 3.19 . 36.10 |=====================================================


Xonotic 0.8
Resolution: 1920 x 1080 - Effects Quality: Low
Frames Per Second > Higher Is Better
Linux 3.17 . 83.68 |=========================================================
Linux 3.18 . 84.07 |=========================================================
Linux 3.19 . 87.24 |===========================================================


Xonotic 0.8
Resolution: 1920 x 1080 - Effects Quality: High
Frames Per Second > Higher Is Better
Linux 3.17 . 33.91 |===============================================
Linux 3.18 . 42.82 |===========================================================
Linux 3.19 . 30.24 |==========================================


Xonotic 0.8
Resolution: 1920 x 1080 - Effects Quality: Ultra
Frames Per Second > Higher Is Better
Linux 3.17 . 28.00 |============================================
Linux 3.18 . 37.22 |===========================================================
Linux 3.19 . 27.45 |============================================


Xonotic 0.8
Resolution: 1920 x 1080 - Effects Quality: Ultimate
Frames Per Second > Higher Is Better
Linux 3.17 . 22.68 |=============================================
Linux 3.18 . 29.74 |===========================================================
Linux 3.19 . 23.08 |==============================================


GpuTest 0.7.0
Test: Plot3D - Resolution: 1920 x 1080
Points > Higher Is Better
Linux 3.17 . 3710 |==========================================
Linux 3.18 . 5310 |============================================================
Linux 3.19 . 4086 |==============================================


GpuTest 0.7.0
Test: Furmark - Resolution: 1920 x 1080
Points > Higher Is Better
Linux 3.17 . 230 |=============================================================
Linux 3.18 . 228 |============================================================
Linux 3.19 . 228 |============================================================


GpuTest 0.7.0
Test: Triangle - Resolution: 1920 x 1080
Points > Higher Is Better
Linux 3.17 . 18407 |===========================================
Linux 3.18 . 25110 |===========================================================
Linux 3.19 . 17904 |==========================================


GpuTest 0.7.0
Test: Pixmark Piano - Resolution: 1920 x 1080
Points > Higher Is Better
Linux 3.17 . 80 |==============================================================
Linux 3.18 . 78 |============================================================
Linux 3.19 . 80 |==============================================================


GpuTest 0.7.0
Test: Pixmark Volplosion - Resolution: 1920 x 1080
Points > Higher Is Better
Linux 3.17 . 236 |============================================================
Linux 3.18 . 237 |============================================================
Linux 3.19 . 240 |=============================================================


OpenArena 0.8.8
Resolution: 1920 x 1080 - Total Frame Time
Milliseconds < Lower Is Better
Linux 3.17 . MIN: 5  AVG: 26   MAX: 52 
Linux 3.18 . MIN: 4  AVG: 26   MAX: 51 
Linux 3.19 . MIN: 3  AVG: 33   MAX: 98