essais Running pts/network-loopback-1.0.1 via the Phoronix Test Suite. 4096 MB DDR3-1600MHz: Processor: 2 x Intel Xeon E5-2690 0 @ 2.89GHz (16 Cores), Motherboard: HP 158B v1.01, Chipset: Intel Xeon E5/Core, Memory: 8 x 4096 MB DDR3-1600MHz, Disk: 320GB Western Digital WD3200AAKX-0, Graphics: NVIDIA Quadro K600, Audio: Intel C600/X79, Monitor: DELL P2314H, Network: Intel 82579LM Gigabit Connection OS: CentOS 6.5, Kernel: 2.6.33-nh5 (x86_64), Display Server: X Server 1.13.0, Display Driver: fbdev 0.4.2, Compiler: GCC 4.4.7 20120313, File-System: ext4 Intel 82579LM Gigabit Connection: Processor: 2 x Intel Xeon E5-2690 0 @ 2.89GHz (16 Cores), Motherboard: HP 158B v1.01, Chipset: Intel Xeon E5/Core, Memory: 8 x 4096 MB DDR3-1600MHz, Disk: 320GB Western Digital WD3200AAKX-0, Graphics: NVIDIA Quadro K600, Audio: Intel C600/X79, Monitor: DELL P2314H, Network: Intel 82579LM Gigabit Connection OS: CentOS 6.5, Kernel: 2.6.33-nh5 (x86_64), Display Server: X Server 1.13.0, Display Driver: fbdev 0.4.2, Compiler: GCC 4.4.7 20120313, File-System: ext4 RAMspeed SMP 3.5.0 Integer Add MB/s > Higher Is Better 4096 MB DDR3-1600MHz . 18543.86 |============================================== RAMspeed SMP 3.5.0 Integer Copy MB/s > Higher Is Better 4096 MB DDR3-1600MHz . 22894.75 |============================================== RAMspeed SMP 3.5.0 Integer Scale MB/s > Higher Is Better 4096 MB DDR3-1600MHz . 22846.98 |============================================== RAMspeed SMP 3.5.0 Floating-Point Add MB/s > Higher Is Better 4096 MB DDR3-1600MHz . 21608.95 |============================================== Stream 2013-01-17 Add MB/s > Higher Is Better 4096 MB DDR3-1600MHz . 48384.49 |============================================== Stream 2013-01-17 Copy MB/s > Higher Is Better 4096 MB DDR3-1600MHz . 45229.11 |============================================== Stream 2013-01-17 Scale MB/s > Higher Is Better 4096 MB DDR3-1600MHz . 43693.01 |============================================== CacheBench Read Cache MB/s > Higher Is Better 4096 MB DDR3-1600MHz . 2445.18 |=============================================== CacheBench Write Cache MB/s > Higher Is Better 4096 MB DDR3-1600MHz . 6768.51 |=============================================== Loopback TCP Network Performance Time To Transfer 10GB Via Loopback Seconds < Lower Is Better Intel 82579LM Gigabit Connection . 23.19 |=====================================