OpenWatcom owcc optimizations (himeno)

Testing different optimization levels using the OpenWatcom "owcc" compiler

HTML result view exported from: https://openbenchmarking.org/result/1410222-KH-HIMENOOWC59.

OpenWatcom owcc optimizations (himeno)ProcessorMotherboardChipsetMemoryDiskGraphicsAudioNetworkOSKernelDesktopDisplay DriverCompilerFile-SystemScreen Resolutionowcc_o0owcc_o1owcc_o2owcc_o3owcc_osowcc_OtAMD E-450 APU @ 1.65GHz (2 Cores)ASUS K73BR v1.0AMD Family 14h Root Complex4096MB320GB Western Digital WD3200BPVT-8ASUS AMD Radeon HD 6400M/7400M 1024MBAMD SBx00 AzaliaRealtek RTL8111/8168/8411 + Qualcomm Atheros AR9285 WirelessArch rolling3.16.6-2-ck (x86_64)KDE Frameworks 5radeon 7.5.0GCC 4.9.1 20140903 + Clang 3.5.0 + LLVM 3.5.0btrfs1600x900OpenBenchmarking.orgKernel Details- radeon.modeset=1Processor Details- Scaling Governor: acpi-cpufreq ondemand

OpenWatcom owcc optimizations (himeno)himeno: Poisson Pressure SolverDifferenceStandard ErrorStandard Deviationowcc_o0owcc_o1owcc_o2owcc_o3owcc_osowcc_Ot55.661.00x0.782.43%83.301.50x1.082.25%80.871.45x2.798.45%76.221.37x1.513.44%79.751.43x1.212.63%83.621.50x1.112.31%OpenBenchmarking.org

Himeno Benchmark

Poisson Pressure Solver

OpenBenchmarking.orgMFLOPS, More Is BetterHimeno Benchmark 3.0Poisson Pressure Solverowcc_o0owcc_o1owcc_o2owcc_o3owcc_osowcc_Ot20406080100SE +/- 0.78, N = 3SE +/- 1.08, N = 3SE +/- 2.79, N = 6SE +/- 1.51, N = 3SE +/- 1.21, N = 3SE +/- 1.11, N = 355.6683.3080.8776.2279.7583.62-O0-O1-O2-Os-Ot1. (CXX) owcc options: -O3 -blinux

Phoronix Test Suite v10.8.4