r630
Xen HVM domU 4.13 testing on Ubuntu 20.04 via the Phoronix Test Suite.


local storage: 

	Processor: 8 x Intel Xeon E5-2680 v3 (15 Cores), Motherboard: Xen HVM domU v4.13, Chipset: Intel 440FX 82441FX PMC, Memory: 4096MB, Disk: 29GB, Graphics: bochs-drmdrmfb

	OS: Ubuntu 20.04, Kernel: 5.4.0-100-generic (x86_64), Vulkan: 1.1.182, Compiler: GCC 9.4.0, File-System: ext4, Screen Resolution: 1024x768, System Layer: Xen HVM domU 4.13

DellRaid SSD: 

	Processor: 8 x Intel Xeon E5-2680 v3 (15 Cores), Motherboard: Xen HVM domU v4.13, Chipset: Intel 440FX 82441FX PMC, Memory: 4096MB, Disk: 29GB, Graphics: bochs-drmdrmfb

	OS: Ubuntu 20.04, Kernel: 5.4.0-100-generic (x86_64), Vulkan: 1.1.182, Compiler: GCC 9.4.0, File-System: ext4, Screen Resolution: 1024x768, System Layer: Xen HVM domU 4.13

ZFS NVME: 

	Processor: 8 x Intel Xeon E5-2680 v3 (15 Cores), Motherboard: Xen HVM domU v4.13, Chipset: Intel 440FX 82441FX PMC, Memory: 4096MB, Disk: 29GB, Graphics: bochs-drmdrmfb

	OS: Ubuntu 20.04, Kernel: 5.4.0-100-generic (x86_64), Vulkan: 1.1.182, Compiler: GCC 9.4.0, File-System: ext4, Screen Resolution: 1024x768, System Layer: Xen HVM domU 4.13

zfs compress off: 

	Processor: 8 x Intel Xeon E5-2680 v3 (15 Cores), Motherboard: Xen HVM domU v4.13, Chipset: Intel 440FX 82441FX PMC, Memory: 4096MB, Disk: 29GB, Graphics: bochs-drmdrmfb

	OS: Ubuntu 20.04, Kernel: 5.4.0-100-generic (x86_64), Vulkan: 1.1.182, Compiler: GCC 9.4.0, File-System: ext4, Screen Resolution: 1024x768, System Layer: Xen HVM domU 4.13

Single NVME Drive: 

	Processor: 8 x Intel Xeon E5-2680 v3 (15 Cores), Motherboard: Xen HVM domU v4.13, Chipset: Intel 440FX 82441FX PMC, Memory: 4096MB, Disk: 29GB, Graphics: bochs-drmdrmfb

	OS: Ubuntu 20.04, Kernel: 5.4.0-100-generic (x86_64), Vulkan: 1.1.182, Compiler: GCC 9.4.0, File-System: ext4, Screen Resolution: 1024x768, System Layer: Xen HVM domU 4.13

ZFS fresh no ashift: 

	Processor: 8 x Intel Xeon E5-2680 v3 (15 Cores), Motherboard: Xen HVM domU v4.13, Chipset: Intel 440FX 82441FX PMC, Memory: 4096MB, Disk: 29GB, Graphics: bochs-drmdrmfb

	OS: Ubuntu 20.04, Kernel: 5.4.0-100-generic (x86_64), Vulkan: 1.1.182, Compiler: GCC 9.4.0, File-System: ext4, Screen Resolution: 1024x768, System Layer: Xen HVM domU 4.13

ZFS ashift13: 

	Processor: 8 x Intel Xeon E5-2680 v3 (15 Cores), Motherboard: Xen HVM domU v4.13, Chipset: Intel 440FX 82441FX PMC, Memory: 4096MB, Disk: 29GB, Graphics: bochs-drmdrmfb

	OS: Ubuntu 20.04, Kernel: 5.4.0-100-generic (x86_64), Vulkan: 1.1.182, Compiler: GCC 9.4.0, File-System: ext4, Screen Resolution: 1024x768, System Layer: Xen HVM domU 4.13

ZFS Mirror Stripe: 

	Processor: 8 x Intel Xeon E5-2680 v3 (15 Cores), Motherboard: Xen HVM domU v4.13, Chipset: Intel 440FX 82441FX PMC, Memory: 4096MB, Disk: 29GB, Graphics: bochs-drmdrmfb

	OS: Ubuntu 20.04, Kernel: 5.4.0-100-generic (x86_64), Vulkan: 1.1.182, Compiler: GCC 9.4.0, File-System: ext4, Screen Resolution: 1024x768, System Layer: Xen HVM domU 4.13


Flexible IO Tester 3.29
Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: No - Block Size: 8KB - Disk Target: Default Test Directory
MB/s > Higher Is Better
DellRaid SSD ........ 220.0 |===========================================
ZFS NVME ............ 114.0 |======================
zfs compress off .... 114.0 |======================
Single NVME Drive ... 257.0 |==================================================
ZFS fresh no ashift . 110.0 |=====================
ZFS ashift13 ........ 115.0 |======================
ZFS Mirror Stripe ... 99.3  |===================


Flexible IO Tester 3.29
Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: No - Block Size: 8KB - Disk Target: Default Test Directory
IOPS > Higher Is Better
DellRaid SSD ........ 28129 |===========================================
ZFS NVME ............ 14527 |======================
zfs compress off .... 14620 |======================
Single NVME Drive ... 32900 |==================================================
ZFS fresh no ashift . 14100 |=====================
ZFS ashift13 ........ 14780 |======================
ZFS Mirror Stripe ... 12708 |===================


Flexible IO Tester 3.29
Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: No - Block Size: 8KB - Disk Target: Default Test Directory
MB/s > Higher Is Better
DellRaid SSD ........ 179.0 |=============================================
ZFS NVME ............ 56.8  |==============
zfs compress off .... 69.1  |=================
Single NVME Drive ... 199.0 |==================================================
ZFS fresh no ashift . 68.3  |=================
ZFS ashift13 ........ 69.8  |==================
ZFS Mirror Stripe ... 59.3  |===============


Flexible IO Tester 3.29
Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: No - Block Size: 8KB - Disk Target: Default Test Directory
IOPS > Higher Is Better
DellRaid SSD ........ 22925 |=============================================
ZFS NVME ............ 7264  |==============
zfs compress off .... 8842  |=================
Single NVME Drive ... 25433 |==================================================
ZFS fresh no ashift . 8736  |=================
ZFS ashift13 ........ 8927  |==================
ZFS Mirror Stripe ... 7588  |===============