largethreaded64 Xen HVM domU 4.2.amazon testing on Ubuntu 16.04 via the Phoronix Test Suite. largethreaded64test: Processor: Intel Xeon E5-2686 v4 @ 2.30GHz (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: 4.4.0-1061-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: 64MB - Thread Count: 4 MB/s > Higher Is Better largethreaded64test . 3906.55 |================================================ Threaded I/O Tester 20170503 Test: Read - Size Per Thread: 64MB - Thread Count: 8 MB/s > Higher Is Better largethreaded64test . 4073.60 |================================================ Threaded I/O Tester 20170503 Test: Read - Size Per Thread: 64MB - Thread Count: 16 MB/s > Higher Is Better largethreaded64test . 4131.84 |================================================ Threaded I/O Tester 20170503 Test: Read - Size Per Thread: 64MB - Thread Count: 32 MB/s > Higher Is Better largethreaded64test . 4058.01 |================================================ Threaded I/O Tester 20170503 Test: Write - Size Per Thread: 64MB - Thread Count: 4 MB/s > Higher Is Better largethreaded64test . 0.29 |=================================================== Threaded I/O Tester 20170503 Test: Write - Size Per Thread: 64MB - Thread Count: 8 MB/s > Higher Is Better largethreaded64test . 0.34 |=================================================== Threaded I/O Tester 20170503 Test: Write - Size Per Thread: 64MB - Thread Count: 16 MB/s > Higher Is Better largethreaded64test . 0.36 |=================================================== Threaded I/O Tester 20170503 Test: Write - Size Per Thread: 64MB - Thread Count: 32 MB/s > Higher Is Better largethreaded64test . 0.39 |=================================================== Threaded I/O Tester 20170503 Test: Random Read - Size Per Thread: 64MB - Thread Count: 4 MB/s > Higher Is Better largethreaded64test . 42203.51 |=============================================== Threaded I/O Tester 20170503 Test: Random Read - Size Per Thread: 64MB - Thread Count: 8 MB/s > Higher Is Better largethreaded64test . 44596.76 |=============================================== Threaded I/O Tester 20170503 Test: Random Read - Size Per Thread: 64MB - Thread Count: 16 MB/s > Higher Is Better largethreaded64test . 45762.48 |=============================================== Threaded I/O Tester 20170503 Test: Random Read - Size Per Thread: 64MB - Thread Count: 32 MB/s > Higher Is Better largethreaded64test . 51212.68 |=============================================== Threaded I/O Tester 20170503 Test: Random Write - Size Per Thread: 64MB - Thread Count: 4 MB/s > Higher Is Better largethreaded64test . 4.36 |=================================================== Threaded I/O Tester 20170503 Test: Random Write - Size Per Thread: 64MB - Thread Count: 8 MB/s > Higher Is Better largethreaded64test . 5.18 |=================================================== Threaded I/O Tester 20170503 Test: Random Write - Size Per Thread: 64MB - Thread Count: 16 MB/s > Higher Is Better largethreaded64test . 5.72 |=================================================== Threaded I/O Tester 20170503 Test: Random Write - Size Per Thread: 64MB - Thread Count: 32 MB/s > Higher Is Better largethreaded64test . 6.04 |===================================================