GCC Evaluation
Intel Core i5-2430M testing with a Dell 0FXK2Y (A11 BIOS) and Intel Sandybridge Mobile 2GB on Ubuntu 18.04 via the Phoronix Test Suite.


-O0 -march=native: 

	Processor: Intel Core i5-2430M @ 3.00GHz (2 Cores / 4 Threads), Motherboard: Dell 0FXK2Y (A11 BIOS), Chipset: Intel 2nd Generation Core DRAM, Memory: 8192MB, Disk: 500GB Seagate ST9500420AS, Graphics: Intel Sandybridge Mobile 2GB (1200MHz), Audio: IDT 92HD87B1/3, Network: Realtek RTL810xE PCI + Qualcomm Atheros AR9285

	OS: Ubuntu 18.04, Kernel: 4.18.0-21-generic (x86_64), Desktop: GNOME Shell 3.28.3, Display Server: X Server 1.20.1, Display Driver: modesetting 1.20.1, OpenGL: 3.3 Mesa 18.2.8, Compiler: GCC 7.4.0, File-System: ext4, Screen Resolution: 2390x768


FFTW 3.3.6
Build: Stock - Size: 1D FFT Size 4096
Mflops > Higher Is Better
-O0 -march=native . 4341.87 |==================================================


FFTW 3.3.6
Build: Stock - Size: 2D FFT Size 4096
Mflops > Higher Is Better
-O0 -march=native . 3194.10 |==================================================


FFTW 3.3.6
Build: Float + SSE - Size: 1D FFT Size 4096
Mflops > Higher Is Better
-O0 -march=native . 14762 |====================================================


FFTW 3.3.6
Build: Float + SSE - Size: 2D FFT Size 4096
Mflops > Higher Is Better
-O0 -march=native . 8277.07 |==================================================


Timed HMMer Search 2.3.2
Pfam Database Search
Seconds < Lower Is Better
-O0 -march=native . 39.39 |====================================================


Timed MAFFT Alignment 7.392
Multiple Sequence Alignment
Seconds < Lower Is Better
-O0 -march=native . 15.57 |====================================================


SciMark 2.0
Computational Test: Composite
Mflops > Higher Is Better
-O0 -march=native . 381.64 |===================================================


SciMark 2.0
Computational Test: Monte Carlo
Mflops > Higher Is Better
-O0 -march=native . 85.72 |====================================================


SciMark 2.0
Computational Test: Fast Fourier Transform
Mflops > Higher Is Better
-O0 -march=native . 126.67 |===================================================


SciMark 2.0
Computational Test: Sparse Matrix Multiply
Mflops > Higher Is Better
-O0 -march=native . 437.56 |===================================================


SciMark 2.0
Computational Test: Dense LU Matrix Factorization
Mflops > Higher Is Better
-O0 -march=native . 509.30 |===================================================


SciMark 2.0
Computational Test: Jacobi Successive Over-Relaxation
Mflops > Higher Is Better
-O0 -march=native . 748.96 |===================================================


TSCP 1.81
AI Chess Performance
Nodes Per Second > Higher Is Better
-O0 -march=native . 842941 |===================================================


VP9 libvpx Encoding 1.8.0
vpxenc VP9 1080p Video Encode
Frames Per Second > Higher Is Better
-O0 -march=native . 12.13 |====================================================


GraphicsMagick 1.3.30
Operation: Swirl
Iterations Per Minute > Higher Is Better
-O0 -march=native . 59 |=======================================================


GraphicsMagick 1.3.30
Operation: Rotate
Iterations Per Minute > Higher Is Better
-O0 -march=native . 156 |======================================================


GraphicsMagick 1.3.30
Operation: Sharpen
Iterations Per Minute > Higher Is Better
-O0 -march=native . 28 |=======================================================


GraphicsMagick 1.3.30
Operation: Enhanced
Iterations Per Minute > Higher Is Better
-O0 -march=native . 26 |=======================================================


GraphicsMagick 1.3.30
Operation: Resizing
Iterations Per Minute > Higher Is Better
-O0 -march=native . 105 |======================================================


GraphicsMagick 1.3.30
Operation: Noise-Gaussian
Iterations Per Minute > Higher Is Better
-O0 -march=native . 23 |=======================================================


GraphicsMagick 1.3.30
Operation: HWB Color Space
Iterations Per Minute > Higher Is Better
-O0 -march=native . 122 |======================================================


Himeno Benchmark 3.0
Poisson Pressure Solver
MFLOPS > Higher Is Better
-O0 -march=native . 1280.63 |==================================================


7-Zip Compression 16.02
Compress Speed Test
MIPS > Higher Is Better
-O0 -march=native . 6926 |=====================================================


Stockfish 9
Total Time
Nodes Per Second > Higher Is Better
-O0 -march=native . 2243856 |==================================================


Timed LLVM Compilation 6.0.1
Time To Compile
Seconds < Lower Is Better
-O0 -march=native . 4794.92 |==================================================


Timed PHP Compilation 7.1.9
Time To Compile
Seconds < Lower Is Better
-O0 -march=native . 380.27 |===================================================


C-Ray 1.1
Total Time - 4K, 16 Rays Per Pixel
Seconds < Lower Is Better
-O0 -march=native . 1087.02 |==================================================


AOBench
Size: 2048 x 2048 - Total Time
Seconds < Lower Is Better
-O0 -march=native . 62.13 |====================================================


FLAC Audio Encoding 1.3.2
WAV To FLAC
Seconds < Lower Is Better
-O0 -march=native . 18.78 |====================================================


LAME MP3 Encoding 3.100
WAV To MP3
Seconds < Lower Is Better
-O0 -march=native . 47.48 |====================================================


PostgreSQL pgbench 10.3
Scaling: Buffer Test - Test: Normal Load - Mode: Read Only
TPS > Higher Is Better
-O0 -march=native . 23806.88 |=================================================


PostgreSQL pgbench 10.3
Scaling: Buffer Test - Test: Normal Load - Mode: Read Write
TPS > Higher Is Better
-O0 -march=native . 248.67 |===================================================


CppPerformanceBenchmarks 9
Test: Atol
Seconds < Lower Is Better
-O0 -march=native . 107.51 |===================================================


CppPerformanceBenchmarks 9
Test: Ctype
Seconds < Lower Is Better
-O0 -march=native . 57.44 |====================================================


CppPerformanceBenchmarks 9
Test: Math Library
Seconds < Lower Is Better
-O0 -march=native . 771.45 |===================================================


CppPerformanceBenchmarks 9
Test: Random Numbers
Seconds < Lower Is Better
-O0 -march=native . 1599.39 |==================================================


CppPerformanceBenchmarks 9
Test: Stepanov Vector
Seconds < Lower Is Better
-O0 -march=native . 109.94 |===================================================


CppPerformanceBenchmarks 9
Test: Function Objects
Seconds < Lower Is Better
-O0 -march=native . 19.84 |====================================================


CppPerformanceBenchmarks 9
Test: Stepanov Abstraction
Seconds < Lower Is Better
-O0 -march=native . 43.14 |====================================================


Apache Benchmark 2.4.29
Static Web Page Serving
Requests Per Second > Higher Is Better
-O0 -march=native . 10822.24 |=================================================