Linux 3.16 I/O Scheduler
Linux 3.16 kernel IO scheduler benchmarks of Deadline CFQ etc. Benchmarks by Michael Larabel for a future article on Phoronix.


Deadline: 

	Processor: Intel Core i7-4790K @ 4.40GHz (8 Cores), Motherboard: ASRock Z97 Extreme6, Chipset: Intel 4th Gen Core DRAM, Memory: 16384MB, Disk: 128GB Crucial_CT128MX1, Graphics: Intel HD 4600, Audio: Intel Xeon E3-1200 v3/4th, Network: Intel Connection

	OS: Ubuntu 14.04, Kernel: 3.16.0-999-generic (x86_64), Desktop: Unity 7.2.1, Display Driver: intel 2.99.912, Compiler: GCC 4.8.2, File-System: ext4, Screen Resolution: 1024x768

Noop: 

	Processor: Intel Core i7-4790K @ 4.40GHz (8 Cores), Motherboard: ASRock Z97 Extreme6, Chipset: Intel 4th Gen Core DRAM, Memory: 16384MB, Disk: 128GB Crucial_CT128MX1, Graphics: Intel HD 4600, Audio: Intel Xeon E3-1200 v3/4th, Network: Intel Connection

	OS: Ubuntu 14.04, Kernel: 3.16.0-999-generic (x86_64), Desktop: Unity 7.2.1, Display Driver: intel 2.99.912, Compiler: GCC 4.8.2, File-System: ext4, Screen Resolution: 1024x768

CFQ: 

	Processor: Intel Core i7-4790K @ 4.40GHz (8 Cores), Motherboard: ASRock Z97 Extreme6, Chipset: Intel 4th Gen Core DRAM, Memory: 16384MB, Disk: 128GB Crucial_CT128MX1, Graphics: Intel HD 4600, Audio: Intel Xeon E3-1200 v3/4th, Network: Intel Connection

	OS: Ubuntu 14.04, Kernel: 3.16.0-999-generic (x86_64), Desktop: Unity 7.2.1, Display Driver: intel 2.99.912, Compiler: GCC 4.8.2, File-System: ext4, Screen Resolution: 1024x768


Flexible IO Tester 2.1.9
Test: Intel IOMeter File Server Access Pattern
Seconds (Run Time) < Lower Is Better
Deadline . 150.68 |=========================================
Noop ..... 207.86 |=========================================================
CFQ ...... 219.75 |============================================================


FS-Mark 3.3
Test: 1000 Files, 1MB Size
Files/s > Higher Is Better
Deadline . 16.73 |=============================================================
Noop ..... 13.42 |=================================================
CFQ ...... 12.93 |===============================================


FS-Mark 3.3
Test: 5000 Files, 1MB Size, 4 Threads
Files/s > Higher Is Better
Deadline . 39.80 |=============================================================
Noop ..... 33.40 |===================================================
CFQ ...... 27.40 |==========================================


FS-Mark 3.3
Test: 4000 Files, 32 Sub Dirs, 1MB Size
Files/s > Higher Is Better
Deadline . 18.72 |=============================================================
Noop ..... 16.48 |======================================================
CFQ ...... 14.57 |===============================================


BlogBench 1.0
Test: Write
Final Score > Higher Is Better
Deadline . 2677 |=============================================================
Noop ..... 2385 |======================================================
CFQ ...... 2737 |==============================================================


Threaded I/O Tester 0.3.3
Test: Random Write - Size Per Thread: 32MB - Thread Count: 16
MB/s > Higher Is Better
Deadline . 0.57 |============================================================
Noop ..... 0.55 |==========================================================
CFQ ...... 0.59 |==============================================================


Compile Bench 0.6
Test: Compile
MB/s > Higher Is Better
Deadline . 266.90 |===========================================================
Noop ..... 271.00 |============================================================
CFQ ...... 271.82 |============================================================


Compile Bench 0.6
Test: Initial Create
MB/s > Higher Is Better
Deadline . 173.78 |============================================================
Noop ..... 168.15 |==========================================================
CFQ ...... 164.89 |=========================================================


Compile Bench 0.6
Test: Read Compiled Tree
MB/s > Higher Is Better
Deadline . 2685.85 |===========================================================
Noop ..... 2667.57 |===========================================================
CFQ ...... 2669.93 |===========================================================


PostMark 1.51
Disk Transaction Performance
TPS > Higher Is Better
Deadline . 5813 |==============================================================
Noop ..... 5813 |==============================================================
CFQ ...... 5859 |==============================================================


Apache Benchmark 2.4.7
Static Web Page Serving
Requests Per Second > Higher Is Better
Deadline . 5520.82 |===========================================================
Noop ..... 5419.20 |==========================================================
CFQ ...... 5544.94 |===========================================================