Performance analysis and feature overview of Cortex-A53 processor

Regarding the development of processor technology, it has always been a topic we have been discussing. Now electronic products are widely popularized. Whether it is a smart phone or a tablet computer, the processor is the core of these electronic products. The processing of the ARM Cortex series has always been more widely used. The following is an analysis of the Cortex-A53 processor of the Cortex series.

The Cortex-A53 processor is a product of the A50 processor. This series of products signifies the further expansion of ARM's leading position in the field of high performance and low power consumption, and the Cortex-A53 processor was born. ARM Cortex-A53 is one of the first two microarchitectures that implement the ARMv8-A 64-bit instruction set designed by ARM Holdings. Cortex-A53 is a superscalar processor that can double issue some instructions.

Cortex-A53 is not only the most power efficient ARM application processor, but also the smallest 64-bit processor in the world. It can be operated independently or integrated into the ARM big.LITTLE processor architecture. The scalability of this processor series enables ARM's partners to develop system-on-chips (SoC) for various market needs such as smart phones and high-performance servers.

Cortex-A53 will continue to promote the development of mobile computing experience, providing up to three times the performance of existing superphones, and extending the existing superphone experience to entry-level smartphones. Cooperate with the complete tool suite and simulation model provided by ARM and ARM partners to speed up and simplify software development, fully compatible with the existing ARM 32-bit software ecosystem, and can be integrated with ARM's rapidly developing 64-bit software ecosystem.

With the support of IP core hardening acceleration technology and advanced complementary field effect transistor (CMOS) and fin field effect transistor (FinFET) process technology, the Cortex-A53 processor can provide performance of several GHz level.

Features overview:

8-stage pipeline processor with bidirectional superscalar and orderly execution pipeline

Each core must use DSP and NEON SIMD extension

Onboard VFPv4 floating point unit (each core)

Hardware virtualization support

TrustZone security extension

64 byte cache line

10 items L1 TLB and 512 items L2 TLB

4 KiB conditional branch predictor, 256 indirect branch predictor

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