ThreadLarge Xen HVM domU 4.2.amazon testing on Ubuntu 16.04 via the Phoronix Test Suite. ThreadLargeTest: Processor: Intel Xeon E5-2676 v3 @ 2.40GHz (2 Cores), Motherboard: Xen HVM domU, Chipset: Intel 440FX- 82441FX PMC, Memory: 8192MB, Disk: 8GB, Graphics: Cirrus Logic GD 5446 OS: Ubuntu 16.04, Kernel: 4.4.0-1062-aws (x86_64), Compiler: GCC 5.4.0 20160609, File-System: ext4, System Layer: Xen HVM domU 4.2.amazon Threaded I/O Tester 20170503 Test: Read - Size Per Thread: 32MB - Thread Count: 4 MB/s > Higher Is Better ThreadLargeTest . 3704.94 |==================================================== Threaded I/O Tester 20170503 Test: Read - Size Per Thread: 32MB - Thread Count: 8 MB/s > Higher Is Better ThreadLargeTest . 3770.24 |==================================================== Threaded I/O Tester 20170503 Test: Read - Size Per Thread: 32MB - Thread Count: 16 MB/s > Higher Is Better ThreadLargeTest . 3866.44 |==================================================== Threaded I/O Tester 20170503 Test: Read - Size Per Thread: 32MB - Thread Count: 32 MB/s > Higher Is Better ThreadLargeTest . 3869.12 |==================================================== Threaded I/O Tester 20170503 Test: Write - Size Per Thread: 32MB - Thread Count: 4 MB/s > Higher Is Better ThreadLargeTest . 8.49 |======================================================= Threaded I/O Tester 20170503 Test: Write - Size Per Thread: 32MB - Thread Count: 8 MB/s > Higher Is Better ThreadLargeTest . 9.93 |======================================================= Threaded I/O Tester 20170503 Test: Write - Size Per Thread: 32MB - Thread Count: 16 MB/s > Higher Is Better ThreadLargeTest . 10.85 |====================================================== Threaded I/O Tester 20170503 Test: Write - Size Per Thread: 32MB - Thread Count: 32 MB/s > Higher Is Better ThreadLargeTest . 12.02 |====================================================== Threaded I/O Tester 20170503 Test: Random Read - Size Per Thread: 32MB - Thread Count: 4 MB/s > Higher Is Better ThreadLargeTest . 20066.39 |=================================================== Threaded I/O Tester 20170503 Test: Random Read - Size Per Thread: 32MB - Thread Count: 8 MB/s > Higher Is Better ThreadLargeTest . 18907.42 |=================================================== Threaded I/O Tester 20170503 Test: Random Read - Size Per Thread: 32MB - Thread Count: 16 MB/s > Higher Is Better ThreadLargeTest . 23221.91 |=================================================== Threaded I/O Tester 20170503 Test: Random Read - Size Per Thread: 32MB - Thread Count: 32 MB/s > Higher Is Better ThreadLargeTest . 25326.38 |=================================================== Threaded I/O Tester 20170503 Test: Random Write - Size Per Thread: 32MB - Thread Count: 4 MB/s > Higher Is Better ThreadLargeTest . 2.18 |======================================================= Threaded I/O Tester 20170503 Test: Random Write - Size Per Thread: 32MB - Thread Count: 8 MB/s > Higher Is Better ThreadLargeTest . 2.59 |======================================================= Threaded I/O Tester 20170503 Test: Random Write - Size Per Thread: 32MB - Thread Count: 16 MB/s > Higher Is Better ThreadLargeTest . 2.86 |======================================================= Threaded I/O Tester 20170503 Test: Random Write - Size Per Thread: 32MB - Thread Count: 32 MB/s > Higher Is Better ThreadLargeTest . 3.02 |=======================================================