POWER8 Compiler Benchmarks
Benchmarks by Michael Larabel.


GCC 5.3.1: 

	Processor: POWER8 @ 3.86GHz (64 Cores), Motherboard: PowerNV 8335-GCA, Memory: 131072MB, Disk: 2000GB HDS722020ALA330, Graphics: ASPEED ASPEED Family, Network: Broadcom NetXtreme BCM5719 Gigabit PCIe

	OS: Debian testing, Kernel: 4.3.0-1-powerpc64le (ppc64le), Display Driver: modesetting 1.18.0, Compiler: GCC 5.3.1 20160121 + Clang 3.6.2-3, File-System: ext4, Screen Resolution: 1024x768

Clang 3.6.2: 

	Processor: POWER8 @ 3.86GHz (64 Cores), Motherboard: PowerNV 8335-GCA, Memory: 131072MB, Disk: 2000GB HDS722020ALA330, Graphics: ASPEED ASPEED Family, Network: Broadcom NetXtreme BCM5719 Gigabit PCIe

	OS: Debian testing, Kernel: 4.3.0-1-powerpc64le (ppc64le), Display Driver: modesetting 1.18.0, Compiler: Clang 3.6.2-3, File-System: ext4, Screen Resolution: 1024x768


Rodinia 2.4
Test: OpenMP LavaMD
Seconds < Lower Is Better
GCC 5.3.1 . 69.01 |============================================================


Rodinia 2.4
Test: OpenMP CFD Solver
Seconds < Lower Is Better
GCC 5.3.1 . 57.82 |============================================================


Rodinia 2.4
Test: OpenMP Streamcluster
Seconds < Lower Is Better
GCC 5.3.1 . 41.06 |============================================================


SciMark 2.0
Computational Test: Composite
Mflops > Higher Is Better
GCC 5.3.1 ... 654.58 |==============================================
Clang 3.6.2 . 810.54 |=========================================================


SciMark 2.0
Computational Test: Monte Carlo
Mflops > Higher Is Better
GCC 5.3.1 ... 146.92 |======================================================
Clang 3.6.2 . 155.51 |=========================================================


SciMark 2.0
Computational Test: Fast Fourier Transform
Mflops > Higher Is Better
GCC 5.3.1 ... 189.64 |=======================================================
Clang 3.6.2 . 198.26 |=========================================================


SciMark 2.0
Computational Test: Sparse Matrix Multiply
Mflops > Higher Is Better
GCC 5.3.1 ... 1116.53 |==================================================
Clang 3.6.2 . 1241.75 |========================================================


SciMark 2.0
Computational Test: Dense LU Matrix Factorization
Mflops > Higher Is Better
GCC 5.3.1 ... 1354.68 |===================================================
Clang 3.6.2 . 1493.68 |========================================================


SciMark 2.0
Computational Test: Jacobi Successive Over-Relaxation
Mflops > Higher Is Better
GCC 5.3.1 ... 465.12 |============================
Clang 3.6.2 . 963.50 |=========================================================


Himeno Benchmark 3.0
Poisson Pressure Solver
MFLOPS > Higher Is Better
GCC 5.3.1 ... 347.43 |=========================================================
Clang 3.6.2 . 265.91 |============================================


7-Zip Compression 9.20.1
Compress Speed Test
MIPS > Higher Is Better
GCC 5.3.1 ... 47630 |=========================================================
Clang 3.6.2 . 48557 |==========================================================


Timed Apache Compilation 2.4.7
Time To Compile
Seconds < Lower Is Better
GCC 5.3.1 ... 32.72 |==========================================================
Clang 3.6.2 . 27.68 |=================================================


C-Ray 1.1
Total Time
Seconds < Lower Is Better
GCC 5.3.1 ... 10.29 |=========================
Clang 3.6.2 . 24.31 |==========================================================


Smallpt 1.0
Global Illumination Renderer; 100 Samples
Seconds < Lower Is Better
GCC 5.3.1 ... 46   |==
Clang 3.6.2 . 1198 |===========================================================


Stockfish 2014-11-26
Total Time
ms < Lower Is Better
GCC 5.3.1 ... 5700 |===========================================================
Clang 3.6.2 . 5545 |=========================================================


FLAC Audio Encoding 1.3.1
WAV To FLAC
Seconds < Lower Is Better
GCC 5.3.1 ... 30.33 |========================================
Clang 3.6.2 . 44.49 |==========================================================


OpenSSL 1.0.1g
RSA 4096-bit Performance
Signs Per Second > Higher Is Better
GCC 5.3.1 ... 261.60 |=========================================================
Clang 3.6.2 . 243.17 |=====================================================


PostgreSQL pgbench 9.4.3
Scaling: Buffer Test - Test: Normal Load - Mode: Read Write
TPS > Higher Is Better
GCC 5.3.1 ... 94.63 |==========================================================
Clang 3.6.2 . 88.54 |======================================================


Apache Benchmark 2.4.7
Static Web Page Serving
Requests Per Second > Higher Is Better
GCC 5.3.1 ... 16037.33 |=======================================================
Clang 3.6.2 . 16057.18 |=======================================================