Systemd Boot Times Amazon EC2
Xen HVM domU 4.2.amazon testing on Red Hat Enterprise Linux Server 7.5 via the Phoronix Test Suite.


t2.micro: Clear Linux 23550: 

	Processor: Intel Xeon E5-2676 v3 @ 2.40GHz (1 Core), Motherboard: Xen HVM domU (4.2.amazon BIOS), Chipset: Intel 440FX- 82441FX PMC, Memory: 1024MB, Disk: 28GB, Graphics: Cirrus Logic GD 5446

	OS: Clear Linux OS 23550, Kernel: 4.16.9-64.aws (x86_64), Vulkan: 1.0.39, Compiler: GCC 8.1.1 20180514 + Clang 6.0.0 + LLVM 6.0.0, File-System: ext4, System Layer: Xen HVM domU 4.2.amazon

t2.micro: Minimal Ubuntu 16.04: 

	Processor: Intel Xeon E5-2676 v3 @ 2.40GHz (1 Core), Motherboard: Xen HVM domU (4.2.amazon BIOS), Memory: 1024MB, Disk: 28GB

	OS: Ubuntu 16.04, Kernel: 4.4.0-1062-aws (x86_64), File-System: ext4, System Layer: Xen HVM domU 4.2.amazon

t2.micro: Minimal Ubuntu 18.04: 

	Processor: Intel Xeon E5-2676 v3 @ 2.40GHz (1 Core), Motherboard: Xen HVM domU (4.2.amazon BIOS), Memory: 1024MB, Disk: 28GB

	OS: Ubuntu 18.04, Kernel: 4.15.0-1010-aws (x86_64), File-System: ext4, System Layer: Xen HVM domU 4.2.amazon

t2.micro: Ubuntu 16.04: 

	Processor: Intel Xeon E5-2676 v3 @ 2.40GHz (1 Core), Motherboard: Xen HVM domU (4.2.amazon BIOS), Chipset: Intel 440FX- 82441FX PMC, Memory: 1024MB, Disk: 28GB, Graphics: Cirrus Logic GD 5446

	OS: Ubuntu 16.04, Kernel: 4.4.0-1062-aws (x86_64), File-System: ext4, System Layer: Xen HVM domU 4.2.amazon

t2.micro: Ubuntu 18.04: 

	Processor: Intel Xeon E5-2676 v3 @ 2.40GHz (1 Core), Motherboard: Xen HVM domU (4.2.amazon BIOS), Chipset: Intel 440FX- 82441FX PMC, Memory: 1024MB, Disk: 28GB, Graphics: Cirrus Logic GD 5446

	OS: Ubuntu 18.04, Kernel: 4.15.0-1010-aws (x86_64), File-System: ext4, System Layer: Xen HVM domU 4.2.amazon

t2.micro: Amazon Linux 2: 

	Processor: Intel Xeon E5-2676 v3 @ 2.40GHz (1 Core), Motherboard: Xen HVM domU (4.2.amazon BIOS), Chipset: Intel 440FX- 82441FX PMC, Memory: 1024MB, Disk: 28GB, Graphics: Cirrus Logic GD 5446

	OS: Amazon Linux 2, Kernel: 4.14.51-66.38.amzn2.x86_64 (x86_64), File-System: xfs, System Layer: Xen HVM domU 4.2.amazon

t2.micro: Red Hat RHEL 7.5: 

	Processor: Intel Xeon E5-2676 v3 @ 2.40GHz (1 Core), Motherboard: Xen HVM domU (4.2.amazon BIOS), Memory: 1024MB, Disk: 28GB, Graphics: cirrusdrmfb

	OS: Red Hat Enterprise Linux Server 7.5, Kernel: 3.10.0-862.6.3.el7.x86_64 (x86_64), File-System: xfs, Screen Resolution: 1024x768, System Layer: Xen HVM domU 4.2.amazon


Systemd Total Boot Time
Test: Total
ms < Lower Is Better
t2.micro: Clear Linux 23550 .... 2624.70  |========
t2.micro: Minimal Ubuntu 16.04 . 8679.00  |==========================
t2.micro: Minimal Ubuntu 18.04 . 11952.00 |====================================
t2.micro: Ubuntu 16.04 ......... 10324.00 |===============================
t2.micro: Ubuntu 18.04 ......... 11909.00 |====================================
t2.micro: Amazon Linux 2 ....... 10229.00 |===============================
t2.micro: Red Hat RHEL 7.5 ..... 10245.00 |===============================


Systemd Total Boot Time
Test: Kernel
ms < Lower Is Better
t2.micro: Clear Linux 23550 .... 295.20  |===
t2.micro: Minimal Ubuntu 16.04 . 2298.00 |====================
t2.micro: Minimal Ubuntu 18.04 . 3363.00 |=============================
t2.micro: Ubuntu 16.04 ......... 3875.00 |=================================
t2.micro: Ubuntu 18.04 ......... 4295.00 |=====================================
t2.micro: Amazon Linux 2 ....... 1251.00 |===========
t2.micro: Red Hat RHEL 7.5 ..... 1687.00 |===============


Systemd Total Boot Time
Test: Userspace
ms < Lower Is Better
t2.micro: Clear Linux 23550 .... 2329.40 |==========
t2.micro: Minimal Ubuntu 16.04 . 6380.00 |===========================
t2.micro: Minimal Ubuntu 18.04 . 8588.00 |=====================================
t2.micro: Ubuntu 16.04 ......... 6449.00 |============================
t2.micro: Ubuntu 18.04 ......... 7614.00 |=================================
t2.micro: Amazon Linux 2 ....... 7690.00 |=================================
t2.micro: Red Hat RHEL 7.5 ..... 6144.00 |==========================