Cortex A53 running different codegen options AARCH64 codegen comparison A53 codegen: Processor: Unknown @ 1.50GHz (4 Cores), Memory: 2048MB, Disk: 16GB NCard + 32GB 00000 OS: Ubuntu 16.04, Kernel: 3.14.65-61 (aarch64), Compiler: GCC 7.0.0 20160904 + LLVM 3.8.0, File-System: ext4, Screen Resolution: 1280x1440 A73 codegen: Processor: Unknown @ 1.50GHz (4 Cores), Memory: 2048MB, Disk: 16GB NCard + 32GB 00000 OS: Ubuntu 16.04, Kernel: 3.14.65-61 (aarch64), Compiler: GCC 7.0.0 20160904 + LLVM 3.8.0, File-System: ext4, Screen Resolution: 1280x1440 mtune A53: Processor: Unknown @ 1.50GHz (4 Cores), Memory: 2048MB, Disk: 16GB NCard + 32GB 00000 OS: Ubuntu 16.04, Kernel: 3.14.65-61 (aarch64), Compiler: GCC 5.3.1 20160413 + LLVM 3.8.0, File-System: ext4, Screen Resolution: 1280x1440 mtune A53 GCC7: Processor: Unknown @ 1.50GHz (4 Cores), Memory: 2048MB, Disk: 16GB NCard + 32GB 00000 OS: Ubuntu 16.04, Kernel: 3.14.65-61 (aarch64), Compiler: GCC 7.0.0 20160915 + LLVM 3.8.0, File-System: ext4, Screen Resolution: 1280x1440 FFTW 3.3.4 Build: Stock - Size: 2D FFT Size 2048 Mflops > Higher Is Better A53 codegen .... 196.93 |====================================================== A73 codegen .... 187.98 |==================================================== mtune A53 ...... 179.22 |================================================= mtune A53 GCC7 . 190.17 |==================================================== Fhourstones 3.1 Complex Connect-4 Solving Kpos / sec > Higher Is Better A53 codegen .... 3136.27 |===================================================== A73 codegen .... 3140.63 |===================================================== mtune A53 ...... 3045.83 |=================================================== mtune A53 GCC7 . 3144.40 |===================================================== VP8 libvpx Encoding 1.3.0 vpxenc Frames Per Second > Higher Is Better A53 codegen .... 6.81 |==================================================== A73 codegen .... 7.06 |====================================================== mtune A53 ...... 7.15 |====================================================== mtune A53 GCC7 . 7.36 |======================================================== Timed Apache Compilation 2.4.7 Time To Compile Seconds < Lower Is Better A53 codegen .... 245.49 |================================== A73 codegen .... 248.20 |================================== mtune A53 ...... 390.57 |====================================================== mtune A53 GCC7 . 376.56 |==================================================== C-Ray 1.1 Total Time Seconds < Lower Is Better A53 codegen .... 192.70 |=========================================== A73 codegen .... 184.87 |========================================== mtune A53 ...... 240.34 |====================================================== mtune A53 GCC7 . 187.30 |========================================== Primesieve 5.4.2 1e12 Prime Number Generation Seconds < Lower Is Better A53 codegen .... 575.31 |====================================================== A73 codegen .... 579.67 |====================================================== mtune A53 ...... 556.08 |==================================================== mtune A53 GCC7 . 567.25 |===================================================== Smallpt 1.0 Global Illumination Renderer; 100 Samples Seconds < Lower Is Better A53 codegen .... 169 |======================================================= A73 codegen .... 173 |======================================================== mtune A53 ...... 176 |========================================================= mtune A53 GCC7 . 169 |======================================================= Stockfish 2014-11-26 Total Time ms < Lower Is Better A53 codegen .... 20504 |================================================== A73 codegen .... 21094 |==================================================== mtune A53 ...... 22423 |======================================================= mtune A53 GCC7 . 20372 |================================================== FLAC Audio Encoding 1.3.1 WAV To FLAC Seconds < Lower Is Better A53 codegen .... 153.48 |=================================================== A73 codegen .... 162.41 |====================================================== mtune A53 ...... 154.83 |=================================================== mtune A53 GCC7 . 149.15 |================================================== FFmpeg 2.6.2 H.264 HD To NTSC DV Seconds < Lower Is Better A53 codegen .... 191.79 |===================================================== A73 codegen .... 192.25 |====================================================== mtune A53 ...... 193.89 |====================================================== mtune A53 GCC7 . 191.80 |===================================================== N-Queens 1.0 Elapsed Time Seconds < Lower Is Better A53 codegen .... 156.09 |===================================================== A73 codegen .... 157.93 |====================================================== mtune A53 ...... 158.04 |====================================================== mtune A53 GCC7 . 149.22 |=================================================== PostgreSQL pgbench 9.4.3 Scaling: Buffer Test - Test: Normal Load - Mode: Read Write TPS > Higher Is Better A53 codegen .... 598.25 |================================================= A73 codegen .... 584.80 |================================================ mtune A53 ...... 599.02 |================================================= mtune A53 GCC7 . 657.04 |====================================================== PostgreSQL pgbench 9.4.3 Scaling: Buffer Test - Test: Single Thread - Mode: Read Write TPS > Higher Is Better A53 codegen .... 144.95 |==================================== A73 codegen .... 204.69 |=================================================== mtune A53 ...... 205.87 |=================================================== mtune A53 GCC7 . 216.23 |====================================================== Redis 3.0.1 Test: GET Requests Per Second > Higher Is Better A53 codegen .... 264703.30 |================================================== A73 codegen .... 270145.88 |=================================================== mtune A53 ...... 252844.60 |================================================ mtune A53 GCC7 . 261242.76 |================================================= Redis 3.0.1 Test: SET Requests Per Second > Higher Is Better A53 codegen .... 194408.30 |================================================== A73 codegen .... 198057.42 |=================================================== mtune A53 ...... 191749.73 |================================================= mtune A53 GCC7 . 192951.04 |==================================================