FLASHCACHE QEMU testing on CentOS 6.3 (Final) via the Phoronix Test Suite. UNCACHED: Processor: QEMU Virtual @ 2.20GHz (4 Cores), Motherboard: Red Hat KVM, Memory: 490MB, Disk: 16GB OS: CentOS 6.3 (Final), Kernel: 2.6.32-279.2.1.el6.x86_64 (x86_64), Compiler: GCC 4.4.6 20120305, File-System: ext4, System Layer: QEMU CACHED: Processor: QEMU Virtual @ 2.20GHz (4 Cores), Motherboard: Red Hat KVM, Memory: 490MB, Disk: 16GB OS: CentOS 6.3 (Final), Kernel: 2.6.32-279.2.1.el6.x86_64 (x86_64), Compiler: GCC 4.4.6 20120305, File-System: ext4, System Layer: QEMU Threaded I/O Tester 0.3.3 Test: Write - Size Per Thread: 32MB - Thread Count: 16 MB/s > Higher Is Better UNCACHED . 100.15 |======================================================== CACHED ... 106.58 |============================================================ Threaded I/O Tester 0.3.3 Test: Random Write - Size Per Thread: 32MB - Thread Count: 16 MB/s > Higher Is Better UNCACHED . 5.29 |=========================== CACHED ... 11.74 |============================================================= Threaded I/O Tester 0.3.3 Test: Read - Size Per Thread: 32MB - Thread Count: 16 MB/s > Higher Is Better UNCACHED . 159.80 |================================= CACHED ... 293.54 |============================================================ Threaded I/O Tester 0.3.3 Test: Random Read - Size Per Thread: 32MB - Thread Count: 16 MB/s > Higher Is Better UNCACHED . 13.78 |====== CACHED ... 147.98 |============================================================