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big.LITTLE Architecture: Heterogeneous Multicore Processing

by Shubham Kamdar, Neha Kamdar
International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 119 - Number 1
Year of Publication: 2015
Authors: Shubham Kamdar, Neha Kamdar
10.5120/21034-3106

Shubham Kamdar, Neha Kamdar . big.LITTLE Architecture: Heterogeneous Multicore Processing. International Journal of Computer Applications. 119, 1 ( June 2015), 35-38. DOI=10.5120/21034-3106

@article{ 10.5120/21034-3106,
author = { Shubham Kamdar, Neha Kamdar },
title = { big.LITTLE Architecture: Heterogeneous Multicore Processing },
journal = { International Journal of Computer Applications },
issue_date = { June 2015 },
volume = { 119 },
number = { 1 },
month = { June },
year = { 2015 },
issn = { 0975-8887 },
pages = { 35-38 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume119/number1/21034-3106/ },
doi = { 10.5120/21034-3106 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T23:02:53.937644+05:30
%A Shubham Kamdar
%A Neha Kamdar
%T big.LITTLE Architecture: Heterogeneous Multicore Processing
%J International Journal of Computer Applications
%@ 0975-8887
%V 119
%N 1
%P 35-38
%D 2015
%I Foundation of Computer Science (FCS), NY, USA
Abstract

ARM's big. LITTLE architecture introduces a solution to optimize power consumption by selecting the core type most suitable for a level of processing load along with high performance. Using heterogeneous multi-core processing having high performance cortex-A15 with power efficient cortex-A7 is what big. LITTLE architecture follows to have power efficient system on chip which is demanded by today's smart phones. For smooth functioning and effective data transferring big. LITTLE uses GIC-400 and CCI-400 interfaces to interface between two processors. Present smart phones using big. LITTLE technology having cluster migration as their operating mode. But using global task scheduling method as operating mode of smart phones in which cores gets individually activated or deactivated according to workload can give even further improvement in power consumption.

References
  1. Brian Jeff, ARM: Advances in big. LITTLE Technology for power and energy saving.
  2. Hexus: Tech explained –ARM big. LITTLE processing, 24 October 2013, 16:41 http://hexus. net/tech/tech-explained/cpu/48693-tech-explained-arm-biglittle-processing/.
  3. Advances in big. LITTLE Technology for Power and Energy Savings, Brian Jeff, ARM September 2012. http://www. arm. com/files/pdf/Advances_in_big. LITTLE_Technology_for_Power_and_Energy_Savings. pdf , 14/9/14 4:30 pm.
  4. White paper -2013 http://img. hexus. net/v2/press_releases/arm/big. LITTLE. Whitepaper. pdf.
  5. Peter Greenhalgh, ARM big. LITTLE processing with ARM cortex-A15 and A-7, September 2011.
  6. Kisoo Yu ; Donghee Han ; Changhwan Youn ; Seungkon Hwang ; Jaechul Lee, Power-aware task scheduling for big. LITTLE mobile processor Publication Year: 2013.
  7. Heterogeneous Multi-processing Solution of Exynos 5 Octa with ARM big. LITTLE technology, http://www. exynos. com.
  8. big. LITTLE technology. ARM: http://www. arm. com/products/processors/technologies/biglittleprocessing. php.
  9. Article : http://www. anandtech. com/tag/samsung.
  10. ARM's Cortex A7: Bringing Cheaper Dual-Core & More Power efficient High-end devices. By Anand Lal Shimpi. http://www. anandtech. com/show/4991/arms-cortex-a7-bringing-cheaper-dualcore-more-power-efficient-highend-devices
Index Terms

Computer Science
Information Sciences

Keywords

Cortex-A7 Cortex-A15 GIC-400 CCI-400 GTS HMP