DQE
ARMv8 Cortex-A57 testing with a quill and NVIDIA Tegra X2 on Ubuntu 18.04 via the Phoronix Test Suite.


USB 2.0: 

	Processor: ARMv8 Cortex-A57 @ 2.04GHz (6 Cores), Motherboard: quill, Memory: 8192MB, Disk: 31GB Ultra USB 3.0 + 31GB 032G34, Graphics: NVIDIA Tegra X2, Monitor: Acer KG241Q

	OS: Ubuntu 18.04, Kernel: 4.9.140-tegra (aarch64), Desktop: Unity 7.5.0, Display Server: X Server 1.19.6, Display Driver: NVIDIA 32.1.0, OpenGL: 4.6.0, Vulkan: 1.1.85, Compiler: GCC 7.4.0, File-System: ext4, Screen Resolution: 1920x1080

USB2.0: 

	Processor: ARMv8 Cortex-A57 @ 2.04GHz (6 Cores), Motherboard: quill, Memory: 8192MB, Disk: 31GB Ultra USB 3.0 + 31GB 032G34, Graphics: NVIDIA Tegra X2, Monitor: Acer KG241Q

	OS: Ubuntu 18.04, Kernel: 4.9.140-tegra (aarch64), Desktop: Unity 7.5.0, Display Server: X Server 1.19.6, Display Driver: NVIDIA 32.1.0, OpenGL: 4.6.0, Vulkan: 1.1.85, Compiler: GCC 7.4.0, File-System: ext4, Screen Resolution: 1920x1080

USB 3.0: 

	Processor: ARMv8 Cortex-A57 @ 2.04GHz (6 Cores), Motherboard: quill, Memory: 8192MB, Disk: 31GB Ultra USB 3.0 + 31GB 032G34, Graphics: NVIDIA Tegra X2, Monitor: Acer KG241Q

	OS: Ubuntu 18.04, Kernel: 4.9.140-tegra (aarch64), Desktop: Unity 7.5.0, Display Server: X Server 1.19.6, Display Driver: NVIDIA 32.1.0, OpenGL: 4.6.0, Vulkan: 1.1.85, Compiler: GCC 7.4.0, File-System: ext4, Screen Resolution: 1920x1080

sandisk: 

	Processor: ARMv8 Cortex-A57 @ 2.04GHz (6 Cores), Motherboard: quill, Memory: 8192MB, Disk: 31GB Ultra USB 3.0 + 8GB FLASH DRIVE + 31GB 032G34, Graphics: NVIDIA Tegra X2, Monitor: Acer KG241Q

	OS: Ubuntu 18.04, Kernel: 4.9.140-tegra (aarch64), Desktop: Unity 7.5.0, Display Server: X Server 1.19.6, Display Driver: NVIDIA 32.1.0, OpenGL: 4.6.0, Vulkan: 1.1.85, Compiler: GCC 7.4.0, File-System: ext4, Screen Resolution: 1920x1080


Flexible IO Tester 3.16
Type: Sequential Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory
MB/s > Higher Is Better
USB 2.0 . 18.99  |===========
USB2.0 .. 19.47  |============
sandisk . 102.00 |=============================================================


Flexible IO Tester 3.16
Type: Sequential Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory
IOPS > Higher Is Better
USB 2.0 . 4857  |============
USB2.0 .. 4983  |============
sandisk . 25733 |==============================================================


Flexible IO Tester 3.16
Type: Sequential Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 8MB - Disk Target: Default Test Directory
MB/s > Higher Is Better
USB 2.0 . 43.40  |=================
USB2.0 .. 43.27  |=================
sandisk . 157.00 |=============================================================


Flexible IO Tester 3.16
Type: Sequential Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 8MB - Disk Target: Default Test Directory
IOPS > Higher Is Better
USB 2.0 . 2  |========
USB2.0 .. 2  |========
sandisk . 16 |=================================================================


Flexible IO Tester 3.16
Type: Sequential Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory
MB/s > Higher Is Better
USB 3.0 . 41.20 |==============================================================
USB 3.0 . 40.63 |=============================================================
USB 3.0 . 39.95 |============================================================


Flexible IO Tester 3.16
Type: Sequential Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory
IOPS > Higher Is Better
USB 3.0 . 10533 |==============================================================
USB 3.0 . 10400 |=============================================================
USB 3.0 . 10231 |============================================================


Flexible IO Tester 3.16
Type: Sequential Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 8MB - Disk Target: Default Test Directory
MB/s > Higher Is Better
USB 3.0 . 152 |================================================================
USB 3.0 . 128 |======================================================
USB 3.0 . 139 |===========================================================


Flexible IO Tester 3.16
Type: Sequential Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 8MB - Disk Target: Default Test Directory
IOPS > Higher Is Better
USB 3.0 . 15 |=================================================================
USB 3.0 . 12 |====================================================
USB 3.0 . 14 |=============================================================