tio VMware testing on CentOS Linux 7 via the Phoronix Test Suite. Virtual disk: Processor: 16 x Intel Xeon E5-2630 v3 @ 2.40GHz (16 Cores), Motherboard: Intel 440BX, Chipset: Intel 440BX/ZX/DX, Memory: 12 x 16384 MB DRAM, Disk: 64GB Virtual disk + 7 x 1049GB Virtual disk, Graphics: LLVMpipe, Network: VMware VMXNET3 OS: CentOS Linux 7, Kernel: 4.7.0-0.rc4.git0.1.el7.centos.x86_64 (x86_64) 20160621, Desktop: GNOME Shell 3.14.4, Display Driver: vmware 13.0.2, OpenGL: 2.1 Mesa 10.6.5 Gallium 0.4, Compiler: GCC 4.8.5 20150623, File-System: btrfs, Screen Resolution: 1280x768, System Layer: VMware Threaded I/O Tester 0.3.3 Test: Write - Size Per Thread: 64MB - Thread Count: 32 MB/s > Higher Is Better Virtual disk . 6.75 |========================================================== Threaded I/O Tester 0.3.3 Test: Write - Size Per Thread: 32MB - Thread Count: 32 MB/s > Higher Is Better Virtual disk . 8.09 |========================================================== Threaded I/O Tester 0.3.3 Test: Write - Size Per Thread: 128MB - Thread Count: 4 MB/s > Higher Is Better Virtual disk . 1.69 |========================================================== Threaded I/O Tester 0.3.3 Test: Read - Size Per Thread: 256MB - Thread Count: 32 MB/s > Higher Is Better Virtual disk . 14610.05 |====================================================== Threaded I/O Tester 0.3.3 Test: Read - Size Per Thread: 256MB - Thread Count: 16 MB/s > Higher Is Better Virtual disk . 14468.51 |====================================================== Threaded I/O Tester 0.3.3 Test: Read - Size Per Thread: 128MB - Thread Count: 32 MB/s > Higher Is Better Virtual disk . 14433.03 |====================================================== Threaded I/O Tester 0.3.3 Test: Read - Size Per Thread: 128MB - Thread Count: 16 MB/s > Higher Is Better Virtual disk . 14496.01 |====================================================== Threaded I/O Tester 0.3.3 Test: Write - Size Per Thread: 64MB - Thread Count: 8 MB/s > Higher Is Better Virtual disk . 2.94 |========================================================== Threaded I/O Tester 0.3.3 Test: Read - Size Per Thread: 64MB - Thread Count: 32 MB/s > Higher Is Better Virtual disk . 14378.50 |====================================================== Threaded I/O Tester 0.3.3 Test: Read - Size Per Thread: 64MB - Thread Count: 16 MB/s > Higher Is Better Virtual disk . 13941.80 |====================================================== Threaded I/O Tester 0.3.3 Test: Read - Size Per Thread: 32MB - Thread Count: 32 MB/s > Higher Is Better Virtual disk . 14119.23 |====================================================== Threaded I/O Tester 0.3.3 Test: Read - Size Per Thread: 32MB - Thread Count: 16 MB/s > Higher Is Better Virtual disk . 14136.62 |====================================================== Threaded I/O Tester 0.3.3 Test: Read - Size Per Thread: 256MB - Thread Count: 8 MB/s > Higher Is Better Virtual disk . 12632.43 |====================================================== Threaded I/O Tester 0.3.3 Test: Read - Size Per Thread: 128MB - Thread Count: 8 MB/s > Higher Is Better Virtual disk . 10742.36 |====================================================== Threaded I/O Tester 0.3.3 Test: Write - Size Per Thread: 256MB - Thread Count: 16 MB/s > Higher Is Better Virtual disk . 5.68 |========================================================== Threaded I/O Tester 0.3.3 Test: Write - Size Per Thread: 128MB - Thread Count: 32 MB/s > Higher Is Better Virtual disk . 7.76 |========================================================== Threaded I/O Tester 0.3.3 Test: Write - Size Per Thread: 128MB - Thread Count: 16 MB/s > Higher Is Better Virtual disk . 4.92 |========================================================== Threaded I/O Tester 0.3.3 Test: Write - Size Per Thread: 64MB - Thread Count: 16 MB/s > Higher Is Better Virtual disk . 6.10 |========================================================== Threaded I/O Tester 0.3.3 Test: Write - Size Per Thread: 32MB - Thread Count: 16 MB/s > Higher Is Better Virtual disk . 5.63 |========================================================== Threaded I/O Tester 0.3.3 Test: Write - Size Per Thread: 256MB - Thread Count: 8 MB/s > Higher Is Better Virtual disk . 3.58 |========================================================== Threaded I/O Tester 0.3.3 Test: Write - Size Per Thread: 256MB - Thread Count: 4 MB/s > Higher Is Better Virtual disk . 1.96 |========================================================== Threaded I/O Tester 0.3.3 Test: Write - Size Per Thread: 128MB - Thread Count: 8 MB/s > Higher Is Better Virtual disk . 2.87 |========================================================== Threaded I/O Tester 0.3.3 Test: Write - Size Per Thread: 64MB - Thread Count: 4 MB/s > Higher Is Better Virtual disk . 1.68 |========================================================== Threaded I/O Tester 0.3.3 Test: Write - Size Per Thread: 32MB - Thread Count: 8 MB/s > Higher Is Better Virtual disk . 2.93 |========================================================== Threaded I/O Tester 0.3.3 Test: Write - Size Per Thread: 32MB - Thread Count: 4 MB/s > Higher Is Better Virtual disk . 1.39 |========================================================== Threaded I/O Tester 0.3.3 Test: Read - Size Per Thread: 256MB - Thread Count: 4 MB/s > Higher Is Better Virtual disk . 7365.58 |======================================================= Threaded I/O Tester 0.3.3 Test: Read - Size Per Thread: 128MB - Thread Count: 4 MB/s > Higher Is Better Virtual disk . 7315.57 |======================================================= Threaded I/O Tester 0.3.3 Test: Read - Size Per Thread: 64MB - Thread Count: 8 MB/s > Higher Is Better Virtual disk . 11049.50 |====================================================== Threaded I/O Tester 0.3.3 Test: Read - Size Per Thread: 64MB - Thread Count: 4 MB/s > Higher Is Better Virtual disk . 6911.00 |======================================================= Threaded I/O Tester 0.3.3 Test: Read - Size Per Thread: 32MB - Thread Count: 8 MB/s > Higher Is Better Virtual disk . 11211.86 |====================================================== Threaded I/O Tester 0.3.3 Test: Read - Size Per Thread: 32MB - Thread Count: 4 MB/s > Higher Is Better Virtual disk . 7117.68 |=======================================================