iommu64noremapstream1 2 x AMD Opteron 2212 testing with a Tyan S2915 and NVIDIA GeForce 9600 GT 512MB on Ubuntu 12.10 via the Phoronix Test Suite. iommu64noremap_stream1: Processor: 2 x AMD Opteron 2212 @ 2.00GHz (4 Cores), Motherboard: Tyan S2915, Chipset: NVIDIA MCP55, Memory: 18432MB, Disk: 320GB Hitachi HDT72503 + 2 x 500GB Hitachi HDP72505 + 160GB Hitachi HDS72161, Graphics: NVIDIA GeForce 9600 GT 512MB (600/700MHz), Audio: Realtek ALC262 OS: Ubuntu 12.10, Kernel: 3.5.0-48-lowlatency (x86_64), Desktop: Xfce 4.10, Display Server: X Server 1.13.0, Display Driver: NVIDIA 304.88, OpenGL: 3.3.0 NVIDIA 304.88, Compiler: GCC 4.7, File-System: ext4, Screen Resolution: 1920x1200 Stream 2013-01-17 Type: Triad MB/s > Higher Is Better iommu64noremap_stream1 . 5960.22 |=============================================