FreeBSD 11.0 RC1 Compiler Comparison
FreeBSD 11 compiler benchmarks. Tests by Michael Larabel for a future article on 
Phoronix.com.


GCC 4.6.4: 

	Processor: Intel Xeon E5-2687W v3 @ 3.10GHz (20 Cores), Motherboard: MSI MS-7885 1.0, Memory: 16384MB, Disk: PNY CS1211 120GB SSD 754D117-483 CS121101 + AHCI SGPIO Enclosure 1.00 0001 + INTEL SSDSCKGW080A4 DC01 + AHCI SGPIO Enclosure 1.00 0001 + Corsair Voyager 3.0 000A, Audio: NVIDIA (0x0e0a) HDA, Network: Intel PRO/1000 Connection 7.6.1-k

	OS: FreeBSD, Kernel: 11.0-RC1 (x86_64), Compiler: GCC 4.6.4 + Clang 3.8.0 (SVN 262564), File-System: zfs

GCC 4.8.5: 

	Processor: Intel Xeon E5-2687W v3 @ 3.10GHz (20 Cores), Motherboard: MSI MS-7885 1.0, Memory: 16384MB, Disk: PNY CS1211 120GB SSD 754D117-483 CS121101 + AHCI SGPIO Enclosure 1.00 0001 + INTEL SSDSCKGW080A4 DC01 + AHCI SGPIO Enclosure 1.00 0001 + Corsair Voyager 3.0 000A, Audio: NVIDIA (0x0e0a) HDA, Network: Intel PRO/1000 Connection 7.6.1-k

	OS: FreeBSD, Kernel: 11.0-RC1 (x86_64), Compiler: GCC 4.8.5 + Clang 3.8.0 (SVN 262564), File-System: zfs

GCC 5.4.0: 

	Processor: Intel Xeon E5-2687W v3 @ 3.10GHz (20 Cores), Motherboard: MSI MS-7885 1.0, Memory: 16384MB, Disk: PNY CS1211 120GB SSD 754D117-483 CS121101 + AHCI SGPIO Enclosure 1.00 0001 + INTEL SSDSCKGW080A4 DC01 + AHCI SGPIO Enclosure 1.00 0001 + Corsair Voyager 3.0 000A, Audio: NVIDIA (0x0e0a) HDA, Network: Intel PRO/1000 Connection 7.6.1-k

	OS: FreeBSD, Kernel: 11.0-RC1 (x86_64), Compiler: GCC 5.4.0 + Clang 3.8.0 (SVN 262564), File-System: zfs

GCC 6.1.0: 

	Processor: Intel Xeon E5-2687W v3 @ 3.10GHz (20 Cores), Motherboard: MSI MS-7885 1.0, Memory: 16384MB, Disk: PNY CS1211 120GB SSD 754D117-483 CS121101 + AHCI SGPIO Enclosure 1.00 0001 + INTEL SSDSCKGW080A4 DC01 + AHCI SGPIO Enclosure 1.00 0001 + Corsair Voyager 3.0 000A, Audio: NVIDIA (0x0e0a) HDA, Network: Intel PRO/1000 Connection 7.6.1-k

	OS: FreeBSD, Kernel: 11.0-RC1 (x86_64), Compiler: GCC 6.1.0 + Clang 3.8.0 (SVN 262564), File-System: zfs

LLVM Clang 3.8: 

	Processor: Intel Xeon E5-2687W v3 @ 3.10GHz (20 Cores), Motherboard: MSI MS-7885 1.0, Memory: 16384MB, Disk: PNY CS1211 120GB SSD 754D117-483 CS121101 + AHCI SGPIO Enclosure 1.00 0001 + INTEL SSDSCKGW080A4 DC01 + AHCI SGPIO Enclosure 1.00 0001 + Corsair Voyager 3.0 000A, Audio: NVIDIA (0x0e0a) HDA, Network: Intel PRO/1000 Connection 7.6.1-k

	OS: FreeBSD, Kernel: 11.0-RC1 (x86_64), Compiler: Clang 3.8.0 (SVN 262564), File-System: zfs


SQLite 3.8.10.2
Test Target: Default Test Directory
Seconds < Lower Is Better
GCC 4.6.4 ...... 42.21 |=======================================================
GCC 4.8.5 ...... 42.20 |=======================================================
GCC 5.4.0 ...... 41.74 |======================================================
GCC 6.1.0 ...... 41.78 |======================================================
LLVM Clang 3.8 . 41.62 |======================================================


FFTW 3.3.4
Build: Float + SSE - Size: 2D FFT Size 4096
Mflops > Higher Is Better
GCC 4.6.4 ...... 11862 |=======================================================
GCC 4.8.5 ...... 11468 |=====================================================
GCC 5.4.0 ...... 11361 |=====================================================
GCC 6.1.0 ...... 11483 |=====================================================
LLVM Clang 3.8 . 11151 |====================================================


GraphicsMagick 1.3.19
Operation: Blur
Iterations Per Minute > Higher Is Better
GCC 4.6.4 ...... 129 |======================================================
GCC 4.8.5 ...... 130 |======================================================
GCC 5.4.0 ...... 137 |=========================================================
GCC 6.1.0 ...... 136 |=========================================================
LLVM Clang 3.8 . 64  |===========================


GraphicsMagick 1.3.19
Operation: Sharpen
Iterations Per Minute > Higher Is Better
GCC 4.6.4 ...... 112 |============================================
GCC 4.8.5 ...... 113 |=============================================
GCC 5.4.0 ...... 142 |========================================================
GCC 6.1.0 ...... 144 |=========================================================
LLVM Clang 3.8 . 44  |=================


GraphicsMagick 1.3.19
Operation: Resizing
Iterations Per Minute > Higher Is Better
GCC 4.6.4 ...... 161 |======================================================
GCC 4.8.5 ...... 163 |=======================================================
GCC 5.4.0 ...... 169 |=========================================================
GCC 6.1.0 ...... 168 |=========================================================
LLVM Clang 3.8 . 90  |==============================


GraphicsMagick 1.3.19
Operation: HWB Color Space
Iterations Per Minute > Higher Is Better
GCC 4.6.4 ...... 180 |========================================================
GCC 4.8.5 ...... 183 |=========================================================
GCC 5.4.0 ...... 181 |========================================================
GCC 6.1.0 ...... 180 |========================================================
LLVM Clang 3.8 . 108 |==================================


GraphicsMagick 1.3.19
Operation: Local Adaptive Thresholding
Iterations Per Minute > Higher Is Better
GCC 4.6.4 ...... 74 |=========================================================
GCC 4.8.5 ...... 75 |==========================================================
GCC 5.4.0 ...... 75 |==========================================================
GCC 6.1.0 ...... 75 |==========================================================
LLVM Clang 3.8 . 74 |=========================================================


Himeno Benchmark 3.0
Poisson Pressure Solver
MFLOPS > Higher Is Better
GCC 4.6.4 ...... 1073.81 |========================================
GCC 4.8.5 ...... 1055.46 |=======================================
GCC 5.4.0 ...... 1422.48 |=====================================================
GCC 6.1.0 ...... 1401.89 |====================================================
LLVM Clang 3.8 . 1024.49 |======================================


Timed Apache Compilation 2.4.7
Time To Compile
Seconds < Lower Is Better
GCC 4.6.4 ...... 21.59 |=================================================
GCC 4.8.5 ...... 24.42 |=======================================================
GCC 5.4.0 ...... 24.03 |======================================================
GCC 6.1.0 ...... 24.40 |=======================================================
LLVM Clang 3.8 . 24.35 |=======================================================


Timed PHP Compilation 5.2.9
Time To Compile
Seconds < Lower Is Better
GCC 4.6.4 ...... 12.06 |==========================================
GCC 4.8.5 ...... 12.25 |==========================================
GCC 5.4.0 ...... 12.31 |===========================================
GCC 6.1.0 ...... 15.93 |=======================================================
LLVM Clang 3.8 . 12.53 |===========================================


C-Ray 1.1
Total Time
Seconds < Lower Is Better
GCC 4.6.4 ...... 17.31 |=======================================================
GCC 4.8.5 ...... 10.97 |===================================
GCC 5.4.0 ...... 10.97 |===================================
GCC 6.1.0 ...... 10.95 |===================================
LLVM Clang 3.8 . 13.82 |============================================


LZMA Compression
256MB File Compression
Seconds < Lower Is Better
GCC 4.6.4 ...... 310.62 |====================================================
GCC 4.8.5 ...... 300.56 |==================================================
GCC 5.4.0 ...... 307.12 |====================================================
GCC 6.1.0 ...... 308.65 |====================================================
LLVM Clang 3.8 . 321.70 |======================================================


FLAC Audio Encoding 1.3.1
WAV To FLAC
Seconds < Lower Is Better
GCC 4.6.4 ...... 9.24 |======================================================
GCC 4.8.5 ...... 8.82 |===================================================
GCC 5.4.0 ...... 7.32 |===========================================
GCC 6.1.0 ...... 7.12 |==========================================
LLVM Clang 3.8 . 9.60 |========================================================


LAME MP3 Encoding 3.99.3
WAV To MP3
Seconds < Lower Is Better
GCC 4.6.4 ...... 16.24 |=====================================================
GCC 4.8.5 ...... 16.85 |=======================================================
GCC 5.4.0 ...... 14.72 |================================================
GCC 6.1.0 ...... 12.86 |==========================================
LLVM Clang 3.8 . 15.79 |====================================================


Apache Benchmark 2.4.7
Static Web Page Serving
Requests Per Second > Higher Is Better
GCC 4.6.4 ...... 42646.22 |====================================================
GCC 4.8.5 ...... 41647.65 |===================================================
GCC 5.4.0 ...... 40994.56 |==================================================
GCC 6.1.0 ...... 41766.26 |===================================================
LLVM Clang 3.8 . 39648.14 |================================================