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Exynos 5 Octa big.LITTLE HMP chip in Q4

Posted: 13 Sep 2013     Print Version  Bookmark and Share

Keywords:Samsung Electronics  big.LITTLE  Exynos 5 Octa  heterogeneous multi-processing  Mali GPU 

Samsung Electronics Co. Ltd has unleashed its heterogeneous multi-processing (HMP) solution intended for the Exynos 5 Octa to fully maximise the benefits of the ARM big.LITTLE technology. According to the company, the HMP capability lets system-level designers develop solutions that offer the right combination of high-performance and low-power to carry out tasks such as 3D gaming, complex augmented reality and advanced web browsing.

"ARM big.LITTLE multi-processing technology delivers the highest performance and efficiency across the widest range of workloads," said Noel Hurley, VP, strategy and marketing, processor division, ARM. "We welcome Samsung's continued commitment to deploying the leading-edge technology on their latest chips featuring the ARM Cortex-A series of processors, ARM Mali GPUs and ARM Artisan physical IP."

HMP is the most powerful use model for ARM big.LITTLE technology, as it enables the use of all physical cores at the same time, noted the company. Software threads with high priority or high computational intensity can be allocated to the 'big' Cortex-A15 cores while threads with less priority or are less computationally intensive, can be performed by the 'LITTLE' Cortex-A7 cores, enabling a highly responsive, low-energy system to be built.

Software implementation is essential to maximising the benefits of big.LITTLE technology. Multi-processing software controls the scheduling of threads of execution to the appropriate core. In earlier versions of the big.LITTLE software, the whole processor context is moved up to the 'big' core or down to the 'LITTLE' core based on the measured work load. In-depth study and analysis of diverse use case scenarios enable Samsung to achieve efficiency and high-performance, while managing power levels to deliver optimal user environments.

The HMP solution for Samsung's Exynos 5 Octa application processors will be available to customers in 4Q13.





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