32 kB L1 ARM CPU's cache/memory performance comparison
Cortex A53 vs Cortex A5


A5 GCC4.9: 

	Processor: ARMv7 rev 1 @ 1.73GHz (4 Cores), Motherboard: ODROIDC, Memory: 916MB, Disk: 60GB A + 64GB 00000

	OS: Ubuntu 14.04, Kernel: 3.10.96-149 (armv7l), Display Server: X Server 1.15.1, Compiler: GCC 4.9.4 + Clang 3.6.0-2ubuntu1~trusty1 + LLVM 3.6.0, File-System: ext4, Screen Resolution: 1280x1024

A5 GCC4.9 optimised: 

	Processor: ARMv7 rev 1 @ 1.73GHz (4 Cores), Motherboard: ODROIDC, Memory: 916MB, Disk: 64GB 00000

	OS: Ubuntu 14.04, Kernel: 3.10.96-149 (armv7l), Display Server: X Server 1.15.1, Compiler: GCC 4.9.4 + Clang 3.6.0-2ubuntu1~trusty1 + LLVM 3.6.0, File-System: ext4, Screen Resolution: 1280x1024

A5 GCC7: 

	Processor: ARMv7 rev 1 @ 1.73GHz (4 Cores), Motherboard: ODROIDC, Memory: 916MB, Disk: 64GB 00000

	OS: Ubuntu 14.04, Kernel: 3.10.96-149 (armv7l), Display Server: X Server 1.15.1, Compiler: GCC 7.0.1 20170225 + Clang 3.6.0-2ubuntu1~trusty1 + LLVM 3.6.0, File-System: ext4, Screen Resolution: 1280x1024

A5 GCC7 optimized: 

	Processor: ARMv7 rev 1 @ 1.73GHz (4 Cores), Motherboard: ODROIDC, Memory: 916MB, Disk: 64GB 00000

	OS: Ubuntu 14.04, Kernel: 3.10.96-149 (armv7l), Display Server: X Server 1.15.1, Compiler: GCC 7.0.1 20170225 + Clang 3.6.0-2ubuntu1~trusty1 + LLVM 3.6.0, File-System: ext4, Screen Resolution: 1280x1024

A53 GCC5: 

	Processor: Unknown @ 1.54GHz (4 Cores), Motherboard: Amlogic, Memory: 2048MB, Disk: 16GB NCard + 32GB 00000

	OS: Ubuntu 16.04, Kernel: 3.14.79-vegas95 (aarch64), Compiler: GCC 5.4.0 20160609 + Clang 3.8.0-2ubuntu4 + LLVM 3.8.0, File-System: ext4, Screen Resolution: 1280x1440

A53 GCC7: 

	Processor: Unknown @ 1.54GHz (4 Cores), Motherboard: Amlogic, Memory: 2048MB, Disk: 16GB NCard + 32GB 00000

	OS: Ubuntu 16.04, Kernel: 3.14.79-vegas95 (aarch64), Compiler: GCC 7.0.1 20170220 + Clang 3.8.0-2ubuntu4 + LLVM 3.8.0, File-System: ext4, Screen Resolution: 1280x1440


CacheBench
Test: Read
MB/s > Higher Is Better
A53 GCC7 optimised .. 3459.24 |================================================
A5 GCC4.9 ........... 2388.47 |=================================
A5 GCC4.9 optimised . 2387.59 |=================================
A5 GCC7 ............. 2373.01 |=================================
A5 GCC7 optimized ... 2387.64 |=================================
A53 GCC5 ............ 2161.59 |==============================
A53 GCC7 ............ 2568.85 |====================================


CacheBench
Test: Write
MB/s > Higher Is Better
A53 GCC7 optimised .. 5649.19 |================================================
A5 GCC4.9 ........... 2955.97 |=========================
A5 GCC4.9 optimised . 2980.23 |=========================
A5 GCC7 ............. 2988.45 |=========================
A5 GCC7 optimized ... 2988.83 |=========================
A53 GCC5 ............ 3378.95 |=============================
A53 GCC7 ............ 4772.78 |=========================================


CacheBench
Test: Read / Modify / Write
MB/s > Higher Is Better
A53 GCC7 optimised .. 4418.37 |================================================
A5 GCC4.9 ........... 2736.21 |==============================
A5 GCC4.9 optimised . 2703.46 |=============================
A5 GCC7 ............. 2735.07 |==============================
A5 GCC7 optimized ... 2744.78 |==============================
A53 GCC5 ............ 2751.63 |==============================
A53 GCC7 ............ 2770.90 |==============================