clang-cpu
Intel Core i7 870 testing with a Dell 0D441T and AMD Radeon HD 4550 512MB on Ubuntu 14.04 via the Phoronix Test Suite.


clang -O3: 

	Processor: Intel Core i7 870 @ 2.93GHz (8 Cores), Motherboard: Dell 0D441T, Chipset: Intel Core DMI, Memory: 8192MB, Disk: 500GB Seagate ST3500418AS, Graphics: AMD Radeon HD 4550 512MB, Audio: Realtek ALC269VB, Monitor: SyncMaster, Network: Intel 82578DM Gigabit Connection

	OS: Ubuntu 14.04, Kernel: 3.13.0-30-generic (x86_64), Desktop: Xfce, Display Driver: radeon 7.3.0, Compiler: Clang 3.4.2 + GCC 4.8.2 + LLVM 3.4.2, File-System: ext4, Screen Resolution: 1920x1080


Stream 2013-01-17
Type: Copy
MB/s > Higher Is Better
clang -O3 . 10142.23 |=========================================================


Stream 2013-01-17
Type: Scale
MB/s > Higher Is Better
clang -O3 . 10110.31 |=========================================================


Stream 2013-01-17
Type: Triad
MB/s > Higher Is Better
clang -O3 . 11068.91 |=========================================================


Stream 2013-01-17
Type: Add
MB/s > Higher Is Better
clang -O3 . 11188.58 |=========================================================


NAS Parallel Benchmarks 3.3
Test / Class: LU.A
Total Mop/s > Higher Is Better
clang -O3 . 6410.80 |==========================================================


NAS Parallel Benchmarks 3.3
Test / Class: MG.B
Total Mop/s > Higher Is Better
clang -O3 . 2810.06 |==========================================================


Timed MAFFT Alignment 6.864
Multiple Sequence Alignment
Seconds < Lower Is Better
clang -O3 . 8.65 |=============================================================


John The Ripper 1.8.0
Traditional DES
Real C/S > Higher Is Better
clang -O3 . 3911333 |==========================================================


John The Ripper 1.8.0
Blowfish
Real C/S > Higher Is Better
clang -O3 . 840 |==============================================================


x264 2014-01-09
H.264 Video Encoding
Frames Per Second > Higher Is Better
clang -O3 . 111.35 |===========================================================


GraphicsMagick 1.3.19
HWB Color Space
Iterations Per Minute > Higher Is Better
clang -O3 . 107 |==============================================================


GraphicsMagick 1.3.19
Local Adaptive Thresholding
Iterations Per Minute > Higher Is Better
clang -O3 . 79 |===============================================================


GraphicsMagick 1.3.19
Sharpen
Iterations Per Minute > Higher Is Better
clang -O3 . 41 |===============================================================


GraphicsMagick 1.3.19
Resizing
Iterations Per Minute > Higher Is Better
clang -O3 . 84 |===============================================================


Himeno Benchmark 3.0
Poisson Pressure Solver
MFLOPS > Higher Is Better
clang -O3 . 1434.04 |==========================================================


C-Ray 1.1
Total Time
Seconds < Lower Is Better
clang -O3 . 41.24 |============================================================


Crafty 23.4
Elapsed Time
Seconds < Lower Is Better
clang -O3 . 82.17 |============================================================


FLAC Audio Encoding 1.3.0
WAV To FLAC
Seconds < Lower Is Better
clang -O3 . 7.06 |=============================================================


LAME MP3 Encoding 3.99.3
WAV To MP3
Seconds < Lower Is Better
clang -O3 . 14.55 |============================================================


FFmpeg 2.1.1
H.264 HD To NTSC DV
Seconds < Lower Is Better
clang -O3 . 24.23 |============================================================


Tachyon 0.98.9
Total Time
Seconds < Lower Is Better
clang -O3 . 18.93 |============================================================


OpenSSL 1.0.1g
RSA 4096-bit Performance
Signs Per Second > Higher Is Better
clang -O3 . 279.30 |===========================================================


PostgreSQL pgbench 8.4.11
TPC-B Transactions Per Second
TPS > Higher Is Better
clang -O3 . 128.65 |===========================================================