OPM Git Retpoline AMD Ryzen AMD Ryzen 7 1800X Eight-Core testing with a MSI X370 XPOWER GAMING TITANIUM (MS-7A31) v1.0 (1.90 BIOS) and AMD Radeon RX 460 on Debian 9.1 via the Phoronix Test Suite. No Retpoline: Processor: AMD Ryzen 7 1800X Eight-Core @ 3.60GHz (8 Cores / 16 Threads), Motherboard: MSI X370 XPOWER GAMING TITANIUM (MS-7A31) v1.0 (1.90 BIOS), Chipset: AMD Device 1450, Memory: 2 x 8192 MB DDR4-1533MHz, Disk: 128GB INTEL SSDPEKKW128G7, Graphics: AMD Radeon RX 460, Audio: AMD Device aae0, Network: Intel I211 Gigabit Connection OS: Debian 9.1, Kernel: 4.15.0-999-generic (x86_64) 20180114, Desktop: GNOME Shell 3.22.3, Display Driver: modesetting 1.19.2, Compiler: GCC 6.3.0 20170516, File-System: ext4 Full AMD Retpoline: Processor: AMD Ryzen 7 1800X Eight-Core @ 3.60GHz (8 Cores / 16 Threads), Motherboard: MSI X370 XPOWER GAMING TITANIUM (MS-7A31) v1.0 (1.90 BIOS), Chipset: AMD Device 1450, Memory: 2 x 8192 MB DDR4-1533MHz, Disk: 128GB INTEL SSDPEKKW128G7, Graphics: AMD Radeon RX 460, Audio: AMD Device aae0, Network: Intel I211 Gigabit Connection OS: Debian 9.1, Kernel: 4.15.0-rc8-retpo-underflow (x86_64) 20180115, Desktop: GNOME Shell 3.22.3, Display Driver: modesetting 1.19.2, Compiler: GCC 6.3.0 20170516, File-System: ext4 Open Porous Media Git OPM Benchmark: Flow MPI Extra - Threads: 8 Seconds < Lower Is Better No Retpoline ....... 1459.85 |================================================= Full AMD Retpoline . 1457.55 |================================================= Open Porous Media Git OPM Benchmark: Flow MPI Norne - Threads: 8 Seconds < Lower Is Better No Retpoline ....... 232.37 |================================================== Full AMD Retpoline . 233.04 |================================================== Open Porous Media Git OPM Benchmark: Flow Ebos Extra - Threads: 8 Seconds < Lower Is Better No Retpoline ....... 1451.44 |================================================= Full AMD Retpoline . 1458.05 |================================================= Open Porous Media Git OPM Benchmark: Flow MPI Extra - Threads: 16 Seconds < Lower Is Better No Retpoline ....... 1661.50 |================================================= Full AMD Retpoline . 1672.86 |================================================= Open Porous Media Git OPM Benchmark: Flow MPI Norne - Threads: 16 Seconds < Lower Is Better No Retpoline ....... 304.32 |================================================== Full AMD Retpoline . 307.07 |================================================== Open Porous Media Git OPM Benchmark: Flow Ebos Extra - Threads: 16 Seconds < Lower Is Better No Retpoline ....... 1659.55 |================================================= Full AMD Retpoline . 1659.86 |=================================================