RHEl7-001 2 x Intel Xeon X5460 testing with a IBM Planar and AMD ES1000 128MB on Red Hat Enterprise Linux Server 7.0 via the Phoronix Test Suite. dcraw on an old RHEL7 bootdisk: Processor: 2 x Intel Xeon X5460 @ 3.15GHz (8 Cores), Motherboard: IBM Planar, Chipset: Intel 5000X MCH, Memory: 8 x 2048 MB DDR2-266MHz, Disk: 18GB, Graphics: LLVMpipe, Monitor: IBM RSA2, Network: Broadcom NetXtreme II BCM5708 Gigabit OS: Red Hat Enterprise Linux Server 7.0, Kernel: 3.10.0-123.el7.x86_64 (x86_64), Desktop: GNOME Shell 3.8.4, Display Server: X Server 1.15.0, Display Driver: radeon 7.2.99, OpenGL: 2.1 Mesa 9.2.5 Gallium 0.4, Compiler: GCC 4.8.2 20140120, File-System: xfs, Screen Resolution: 1920x1200 dcraw RAW To PPM Image Conversion Seconds < Lower Is Better dcraw on an old RHEL7 bootdisk . 86.32 |=======================================