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Cortex-A53 µarch
General Info
Arch Type	CPU
Designer	ARM Holdings
Manufacturer	TSMC
Introduction	May 29, 2016
Instructions
ISA	ARMv8
Succession
Cortex-A72 Cortex-A75

Cortex-A73 (codename Artemis) is the successor to the Cortex-A72, a low-power high-performance ARM microarchitecture designed by ARM Holdings for the mobile market. This microarchitecture is designed as a synthesizable IP core and is sold to other semiconductor companies to be implemented in their own chips. The Cortex-A73, which implemented the ARMv8 ISA, is the performance core which is often combined with a number of lower power cores (e.g. Cortex-A53) in a big.LITTLE configuration to achieve better energy/performance.

Compiler support

Compiler	Arch-Specific	Arch-Favorable
Arm Compiler	-mcpu=cortex-a73	-mtune=cortex-a73
GCC	-mcpu=cortex-a73	-mtune=cortex-a73
LLVM	-mcpu=cortex-a73	-mtune=cortex-a73

If the Cortex-A73 is coupled with the Cortex-A53 in a big.LITTLE system, GCC also supports the following option:

Compiler	Tune
GCC	-mtune=cortex-a73.cortex-a53

Architecture

Key changes from Cortex-A72

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Block Diagram

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Memory Hierarchy

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