HDD IO Scheduler Tests
Linux 5.0 hard drive I/O scheduler benchmarks for a future article on Phoronix.com.


WD5000AZRX: Mq-Deadline: 

	Processor: AMD Ryzen Threadripper 2990WX 32-Core @ 3.00GHz (32 Cores / 64 Threads), Motherboard: ASUS ROG ZENITH EXTREME (1601 BIOS), Chipset: AMD Family 17h, Memory: 4 x 8192 MB DDR4-1600MT/s F4-3200C14-8GFX, Disk: 500GB Western Digital WD5000AZRX-0, Graphics: llvmpipe, Audio: Realtek ALC1220, Network: Intel I211 + Qualcomm Atheros QCA6174 802.11ac + Wilocity Wil6200 802.11ad

	OS: Ubuntu 18.04, Kernel: 5.0.0-050000rc6-generic (x86_64) 20190210, Desktop: GNOME Shell 3.28.3, Display Server: X Server 1.19.6, Display Driver: modesetting 1.19.6, OpenGL: 3.3 Mesa 18.0.5 (LLVM 6.0 128 bits), Compiler: GCC 7.3.0, File-System: ext4, Screen Resolution: 1280x1024

WD5000AZRX: None: 

	Processor: AMD Ryzen Threadripper 2990WX 32-Core @ 3.00GHz (32 Cores / 64 Threads), Motherboard: ASUS ROG ZENITH EXTREME (1601 BIOS), Chipset: AMD Family 17h, Memory: 4 x 8192 MB DDR4-1600MT/s F4-3200C14-8GFX, Disk: 500GB Western Digital WD5000AZRX-0, Graphics: llvmpipe, Audio: Realtek ALC1220, Network: Intel I211 + Qualcomm Atheros QCA6174 802.11ac + Wilocity Wil6200 802.11ad

	OS: Ubuntu 18.04, Kernel: 5.0.0-050000rc6-generic (x86_64) 20190210, Desktop: GNOME Shell 3.28.3, Display Server: X Server 1.19.6, Display Driver: modesetting 1.19.6, OpenGL: 3.3 Mesa 18.0.5 (LLVM 6.0 128 bits), Compiler: GCC 7.3.0, File-System: ext4, Screen Resolution: 1280x1024

WD5000AZRX: Kyber: 

	Processor: AMD Ryzen Threadripper 2990WX 32-Core @ 3.00GHz (32 Cores / 64 Threads), Motherboard: ASUS ROG ZENITH EXTREME (1601 BIOS), Chipset: AMD Family 17h, Memory: 4 x 8192 MB DDR4-1600MT/s F4-3200C14-8GFX, Disk: 500GB Western Digital WD5000AZRX-0, Graphics: llvmpipe, Audio: Realtek ALC1220, Network: Intel I211 + Qualcomm Atheros QCA6174 802.11ac + Wilocity Wil6200 802.11ad

	OS: Ubuntu 18.04, Kernel: 5.0.0-050000rc6-generic (x86_64) 20190210, Desktop: GNOME Shell 3.28.3, Display Server: X Server 1.19.6, Display Driver: modesetting 1.19.6, OpenGL: 3.3 Mesa 18.0.5 (LLVM 6.0 128 bits), Compiler: GCC 7.3.0, File-System: ext4, Screen Resolution: 1280x1024

WD5000AZRX: BFQ low-latency: 

	Processor: AMD Ryzen Threadripper 2990WX 32-Core @ 3.00GHz (32 Cores / 64 Threads), Motherboard: ASUS ROG ZENITH EXTREME (1601 BIOS), Chipset: AMD Family 17h, Memory: 4 x 8192 MB DDR4-1600MT/s F4-3200C14-8GFX, Disk: 500GB Western Digital WD5000AZRX-0, Graphics: llvmpipe, Audio: Realtek ALC1220, Network: Intel I211 + Qualcomm Atheros QCA6174 802.11ac + Wilocity Wil6200 802.11ad

	OS: Ubuntu 18.04, Kernel: 5.0.0-050000rc6-generic (x86_64) 20190210, Desktop: GNOME Shell 3.28.3, Display Server: X Server 1.19.6, Display Driver: modesetting 1.19.6, OpenGL: 3.3 Mesa 18.0.5 (LLVM 6.0 128 bits), Compiler: GCC 7.3.0, File-System: ext4, Screen Resolution: 1280x1024

WD5000AZRX: BFQ: 

	Processor: AMD Ryzen Threadripper 2990WX 32-Core @ 3.00GHz (32 Cores / 64 Threads), Motherboard: ASUS ROG ZENITH EXTREME (1601 BIOS), Chipset: AMD Family 17h, Memory: 4 x 8192 MB DDR4-1600MT/s F4-3200C14-8GFX, Disk: 500GB Western Digital WD5000AZRX-0, Graphics: llvmpipe, Audio: Realtek ALC1220, Network: Intel I211 + Qualcomm Atheros QCA6174 802.11ac + Wilocity Wil6200 802.11ad

	OS: Ubuntu 18.04, Kernel: 5.0.0-050000rc6-generic (x86_64) 20190210, Desktop: GNOME Shell 3.28.3, Display Server: X Server 1.19.6, Display Driver: modesetting 1.19.6, OpenGL: 3.3 Mesa 18.0.5 (LLVM 6.0 128 bits), Compiler: GCC 7.3.0, File-System: ext4, Screen Resolution: 1280x1024

WD1500HLHX: Mq-Deadline: 

	Processor: AMD Ryzen Threadripper 2990WX 32-Core @ 3.00GHz (32 Cores / 64 Threads), Motherboard: ASUS ROG ZENITH EXTREME (1601 BIOS), Chipset: AMD Family 17h, Memory: 4 x 8192 MB DDR4-1600MT/s F4-3200C14-8GFX, Disk: 150GB Western Digital WD1500HLHX-0, Graphics: llvmpipe, Audio: Realtek ALC1220, Network: Intel I211 + Qualcomm Atheros QCA6174 802.11ac + Wilocity Wil6200 802.11ad

	OS: Ubuntu 18.04, Kernel: 5.0.0-050000rc6-generic (x86_64) 20190210, Desktop: GNOME Shell 3.28.3, Display Server: X Server 1.19.6, Display Driver: modesetting 1.19.6, OpenGL: 3.3 Mesa 18.0.5 (LLVM 6.0 128 bits), Compiler: GCC 7.3.0, File-System: ext4, Screen Resolution: 1280x1024

WD1500HLHX: None: 

	Processor: AMD Ryzen Threadripper 2990WX 32-Core @ 3.00GHz (32 Cores / 64 Threads), Motherboard: ASUS ROG ZENITH EXTREME (1601 BIOS), Chipset: AMD Family 17h, Memory: 4 x 8192 MB DDR4-1600MT/s F4-3200C14-8GFX, Disk: 150GB Western Digital WD1500HLHX-0, Graphics: llvmpipe, Audio: Realtek ALC1220, Network: Intel I211 + Qualcomm Atheros QCA6174 802.11ac + Wilocity Wil6200 802.11ad

	OS: Ubuntu 18.04, Kernel: 5.0.0-050000rc6-generic (x86_64) 20190210, Desktop: GNOME Shell 3.28.3, Display Server: X Server 1.19.6, Display Driver: modesetting 1.19.6, OpenGL: 3.3 Mesa 18.0.5 (LLVM 6.0 128 bits), Compiler: GCC 7.3.0, File-System: ext4, Screen Resolution: 1280x1024

WD1500HLHX: Kyber: 

	Processor: AMD Ryzen Threadripper 2990WX 32-Core @ 3.00GHz (32 Cores / 64 Threads), Motherboard: ASUS ROG ZENITH EXTREME (1601 BIOS), Chipset: AMD Family 17h, Memory: 4 x 8192 MB DDR4-1600MT/s F4-3200C14-8GFX, Disk: 150GB Western Digital WD1500HLHX-0, Graphics: llvmpipe, Audio: Realtek ALC1220, Network: Intel I211 + Qualcomm Atheros QCA6174 802.11ac + Wilocity Wil6200 802.11ad

	OS: Ubuntu 18.04, Kernel: 5.0.0-050000rc6-generic (x86_64) 20190210, Desktop: GNOME Shell 3.28.3, Display Server: X Server 1.19.6, Display Driver: modesetting 1.19.6, OpenGL: 3.3 Mesa 18.0.5 (LLVM 6.0 128 bits), Compiler: GCC 7.3.0, File-System: ext4, Screen Resolution: 1280x1024

WD1500HLHX: BFQ low-latency: 

	Processor: AMD Ryzen Threadripper 2990WX 32-Core @ 3.00GHz (32 Cores / 64 Threads), Motherboard: ASUS ROG ZENITH EXTREME (1601 BIOS), Chipset: AMD Family 17h, Memory: 4 x 8192 MB DDR4-1600MT/s F4-3200C14-8GFX, Disk: 150GB Western Digital WD1500HLHX-0, Graphics: llvmpipe, Audio: Realtek ALC1220, Network: Intel I211 + Qualcomm Atheros QCA6174 802.11ac + Wilocity Wil6200 802.11ad

	OS: Ubuntu 18.04, Kernel: 5.0.0-050000rc6-generic (x86_64) 20190210, Desktop: GNOME Shell 3.28.3, Display Server: X Server 1.19.6, Display Driver: modesetting 1.19.6, OpenGL: 3.3 Mesa 18.0.5 (LLVM 6.0 128 bits), Compiler: GCC 7.3.0, File-System: ext4, Screen Resolution: 1280x1024

WD1500HLHX: BFQ: 

	Processor: AMD Ryzen Threadripper 2990WX 32-Core @ 3.00GHz (32 Cores / 64 Threads), Motherboard: ASUS ROG ZENITH EXTREME (1601 BIOS), Chipset: AMD Family 17h, Memory: 4 x 8192 MB DDR4-1600MT/s F4-3200C14-8GFX, Disk: 150GB Western Digital WD1500HLHX-0, Graphics: llvmpipe, Audio: Realtek ALC1220, Network: Intel I211 + Qualcomm Atheros QCA6174 802.11ac + Wilocity Wil6200 802.11ad

	OS: Ubuntu 18.04, Kernel: 5.0.0-050000rc6-generic (x86_64) 20190210, Desktop: GNOME Shell 3.28.3, Display Server: X Server 1.19.6, Display Driver: modesetting 1.19.6, OpenGL: 3.3 Mesa 18.0.5 (LLVM 6.0 128 bits), Compiler: GCC 7.3.0, File-System: ext4, Screen Resolution: 1280x1024


FS-Mark 3.3
Test: 1000 Files, 1MB Size
Files/s > Higher Is Better
WD5000AZRX: Mq-Deadline ..... 20.13 |==========================
WD5000AZRX: None ............ 20.29 |==========================
WD5000AZRX: Kyber ........... 20.28 |==========================
WD5000AZRX: BFQ low-latency . 20.41 |==========================
WD5000AZRX: BFQ ............. 20.42 |==========================
WD1500HLHX: Mq-Deadline ..... 32.60 |==========================================
WD1500HLHX: None ............ 32.08 |=========================================
WD1500HLHX: Kyber ........... 31.74 |=========================================
WD1500HLHX: BFQ low-latency . 31.91 |=========================================
WD1500HLHX: BFQ ............. 32.05 |=========================================


FS-Mark 3.3
Test: 5000 Files, 1MB Size, 4 Threads
Files/s > Higher Is Better
WD5000AZRX: Mq-Deadline ..... 46.13 |===============================
WD5000AZRX: None ............ 48.80 |================================
WD5000AZRX: Kyber ........... 48.48 |================================
WD5000AZRX: BFQ low-latency . 44.40 |=============================
WD5000AZRX: BFQ ............. 47.87 |================================
WD1500HLHX: Mq-Deadline ..... 63.29 |==========================================
WD1500HLHX: None ............ 63.20 |==========================================
WD1500HLHX: Kyber ........... 62.71 |==========================================
WD1500HLHX: BFQ low-latency . 62.36 |=========================================
WD1500HLHX: BFQ ............. 61.33 |=========================================


FS-Mark 3.3
Test: 4000 Files, 32 Sub Dirs, 1MB Size
Files/s > Higher Is Better
WD5000AZRX: Mq-Deadline ..... 17.97 |=======================
WD5000AZRX: None ............ 21.03 |==========================
WD5000AZRX: Kyber ........... 21.00 |==========================
WD5000AZRX: BFQ low-latency . 14.87 |===================
WD5000AZRX: BFQ ............. 21.97 |============================
WD1500HLHX: Mq-Deadline ..... 33.50 |==========================================
WD1500HLHX: None ............ 30.23 |======================================
WD1500HLHX: Kyber ........... 30.90 |=======================================
WD1500HLHX: BFQ low-latency . 32.73 |=========================================
WD1500HLHX: BFQ ............. 32.07 |========================================


Flexible IO Tester 3.1
Type: Random Read - IO Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 2MB - Disk Target: Default Test Directory
MB/s > Higher Is Better
WD5000AZRX: Mq-Deadline ..... 4529 |======================================
WD5000AZRX: None ............ 4551 |=======================================
WD5000AZRX: Kyber ........... 4647 |=======================================
WD5000AZRX: BFQ low-latency . 4468 |======================================
WD5000AZRX: BFQ ............. 4589 |=======================================
WD1500HLHX: Mq-Deadline ..... 4718 |========================================
WD1500HLHX: None ............ 4686 |========================================
WD1500HLHX: Kyber ........... 4756 |========================================
WD1500HLHX: BFQ low-latency . 5069 |===========================================
WD1500HLHX: BFQ ............. 4605 |=======================================


Flexible IO Tester 3.1
Type: Random Write - IO Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 2MB - Disk Target: Default Test Directory
MB/s > Higher Is Better
WD5000AZRX: Mq-Deadline ..... 4465 |=========================================
WD5000AZRX: None ............ 4522 |==========================================
WD5000AZRX: Kyber ........... 4539 |==========================================
WD5000AZRX: BFQ low-latency . 4574 |==========================================
WD5000AZRX: BFQ ............. 4639 |===========================================
WD1500HLHX: Mq-Deadline ..... 4517 |==========================================
WD1500HLHX: None ............ 3698 |==================================
WD1500HLHX: Kyber ........... 4513 |==========================================
WD1500HLHX: BFQ low-latency . 4223 |=======================================
WD1500HLHX: BFQ ............. 4562 |==========================================


Flexible IO Tester 3.1
Type: Sequential Read - IO Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 2MB - Disk Target: Default Test Directory
MB/s > Higher Is Better
WD5000AZRX: Mq-Deadline ..... 5861 |=======================================
WD5000AZRX: None ............ 6098 |=========================================
WD5000AZRX: Kyber ........... 5984 |========================================
WD5000AZRX: BFQ low-latency . 5891 |========================================
WD5000AZRX: BFQ ............. 6208 |==========================================
WD1500HLHX: Mq-Deadline ..... 6341 |===========================================
WD1500HLHX: None ............ 6384 |===========================================
WD1500HLHX: Kyber ........... 6226 |==========================================
WD1500HLHX: BFQ low-latency . 6361 |===========================================
WD1500HLHX: BFQ ............. 6204 |==========================================


Flexible IO Tester 3.1
Type: Sequential Write - IO Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 2MB - Disk Target: Default Test Directory
MB/s > Higher Is Better
WD5000AZRX: Mq-Deadline ..... 4393 |=========================================
WD5000AZRX: None ............ 4501 |===========================================
WD5000AZRX: Kyber ........... 4346 |=========================================
WD5000AZRX: BFQ low-latency . 4505 |===========================================
WD5000AZRX: BFQ ............. 4553 |===========================================
WD1500HLHX: Mq-Deadline ..... 4018 |======================================
WD1500HLHX: None ............ 4317 |=========================================
WD1500HLHX: Kyber ........... 4337 |=========================================
WD1500HLHX: BFQ low-latency . 4046 |======================================
WD1500HLHX: BFQ ............. 4518 |===========================================


Compile Bench 0.6
Test: Compile
MB/s > Higher Is Better
WD5000AZRX: Mq-Deadline ..... 1367 |===========================================
WD5000AZRX: None ............ 1340 |==========================================
WD5000AZRX: Kyber ........... 1338 |==========================================
WD5000AZRX: BFQ low-latency . 1347 |==========================================
WD5000AZRX: BFQ ............. 1350 |==========================================
WD1500HLHX: Mq-Deadline ..... 1373 |===========================================
WD1500HLHX: None ............ 1351 |==========================================
WD1500HLHX: Kyber ........... 1334 |==========================================
WD1500HLHX: BFQ low-latency . 1340 |==========================================
WD1500HLHX: BFQ ............. 1338 |==========================================


Compile Bench 0.6
Test: Initial Create
MB/s > Higher Is Better
WD5000AZRX: Mq-Deadline ..... 499 |============================================
WD5000AZRX: None ............ 492 |===========================================
WD5000AZRX: Kyber ........... 489 |===========================================
WD5000AZRX: BFQ low-latency . 480 |==========================================
WD5000AZRX: BFQ ............. 477 |==========================================
WD1500HLHX: Mq-Deadline ..... 504 |============================================
WD1500HLHX: None ............ 494 |===========================================
WD1500HLHX: Kyber ........... 496 |===========================================
WD1500HLHX: BFQ low-latency . 483 |==========================================
WD1500HLHX: BFQ ............. 483 |==========================================


PostgreSQL pgbench 10.3
Scaling: Buffer Test - Test: Normal Load - Mode: Read Only
TPS > Higher Is Better
WD5000AZRX: Mq-Deadline ..... 460626 |=========================================
WD5000AZRX: None ............ 457558 |=========================================
WD5000AZRX: Kyber ........... 352011 |===============================
WD5000AZRX: BFQ low-latency . 441958 |=======================================
WD5000AZRX: BFQ ............. 360866 |================================
WD1500HLHX: Mq-Deadline ..... 440668 |=======================================
WD1500HLHX: None ............ 453445 |========================================
WD1500HLHX: Kyber ........... 447010 |========================================
WD1500HLHX: BFQ low-latency . 457261 |=========================================
WD1500HLHX: BFQ ............. 371152 |=================================


PostgreSQL pgbench 10.3
Scaling: Buffer Test - Test: Normal Load - Mode: Read Write
TPS > Higher Is Better
WD5000AZRX: Mq-Deadline ..... 419 |=================================
WD5000AZRX: None ............ 426 |=================================
WD5000AZRX: Kyber ........... 420 |=================================
WD5000AZRX: BFQ low-latency . 303 |========================
WD5000AZRX: BFQ ............. 264 |====================
WD1500HLHX: Mq-Deadline ..... 556 |===========================================
WD1500HLHX: None ............ 554 |===========================================
WD1500HLHX: Kyber ........... 567 |============================================
WD1500HLHX: BFQ low-latency . 445 |===================================
WD1500HLHX: BFQ ............. 402 |===============================


Application Start-up Time 2.4.0
Background I/O Mix: Only Sequential Reads - Application To Start: xterm - Disk Target: Default Test Directory
sec < Lower Is Better
WD5000AZRX: Mq-Deadline ..... 77.29 |==========================================
WD5000AZRX: None ............ 66.87 |====================================
WD5000AZRX: Kyber ........... 63.41 |==================================
WD5000AZRX: BFQ low-latency . 0.64  |
WD5000AZRX: BFQ ............. 8.82  |=====
WD1500HLHX: Mq-Deadline ..... 20.02 |===========
WD1500HLHX: None ............ 20.65 |===========
WD1500HLHX: Kyber ........... 21.20 |============
WD1500HLHX: BFQ low-latency . 0.45  |
WD1500HLHX: BFQ ............. 7.27  |====


Application Start-up Time 2.4.0
Background I/O Mix: Sequential Reads + Writes - Application To Start: xterm - Disk Target: Default Test Directory
sec < Lower Is Better
WD5000AZRX: Mq-Deadline ..... 40.74 |==========================================
WD5000AZRX: None ............ 40.43 |==========================================
WD5000AZRX: Kyber ........... 40.04 |=========================================
WD5000AZRX: BFQ low-latency . 0.65  |=
WD5000AZRX: BFQ ............. 5.49  |======
WD1500HLHX: Mq-Deadline ..... 9.51  |==========
WD1500HLHX: None ............ 8.94  |=========
WD1500HLHX: Kyber ........... 9.45  |==========
WD1500HLHX: BFQ low-latency . 0.48  |
WD1500HLHX: BFQ ............. 6.32  |=======


SQLite 3.22
Timed SQLite Insertions
Seconds < Lower Is Better
WD5000AZRX: Mq-Deadline ..... 592 |===========================================
WD5000AZRX: None ............ 502 |=====================================
WD5000AZRX: Kyber ........... 605 |============================================
WD5000AZRX: BFQ low-latency . 519 |======================================
WD5000AZRX: BFQ ............. 548 |========================================
WD1500HLHX: Mq-Deadline ..... 278 |====================
WD1500HLHX: None ............ 271 |====================
WD1500HLHX: Kyber ........... 274 |====================
WD1500HLHX: BFQ low-latency . 270 |====================
WD1500HLHX: BFQ ............. 282 |=====================


Timed Linux Kernel Compilation 4.18
Time To Compile
Seconds < Lower Is Better
WD5000AZRX: Mq-Deadline ..... 37.48 |=========================================
WD5000AZRX: None ............ 37.41 |=========================================
WD5000AZRX: Kyber ........... 37.92 |==========================================
WD5000AZRX: BFQ low-latency . 37.52 |==========================================
WD5000AZRX: BFQ ............. 37.56 |==========================================
WD1500HLHX: Mq-Deadline ..... 37.73 |==========================================
WD1500HLHX: None ............ 37.34 |=========================================
WD1500HLHX: Kyber ........... 37.96 |==========================================
WD1500HLHX: BFQ low-latency . 37.90 |==========================================
WD1500HLHX: BFQ ............. 37.55 |==========================================


Git
Time To Complete Common Git Commands
Seconds < Lower Is Better
WD5000AZRX: Mq-Deadline ..... 5.68 |==========================================
WD5000AZRX: None ............ 5.69 |==========================================
WD5000AZRX: Kyber ........... 5.87 |===========================================
WD5000AZRX: BFQ low-latency . 5.80 |==========================================
WD5000AZRX: BFQ ............. 5.79 |==========================================
WD1500HLHX: Mq-Deadline ..... 5.62 |=========================================
WD1500HLHX: None ............ 5.76 |==========================================
WD1500HLHX: Kyber ........... 5.76 |==========================================
WD1500HLHX: BFQ low-latency . 5.63 |=========================================
WD1500HLHX: BFQ ............. 5.63 |=========================================