big.LITTLE

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big.LITTLE

An ARM-based multicore CPU that uses one or more pairs of high-power and low-power "virtual cores" for greater battery life. Depending on the processing demand, either the big or little core is used. The big.LITTLE architecture was introduced in 2011 along with the first low-power Cortex A7 CPU that was designed to be paired with the high-power A15. The ARM 53-57 pair was announced subsequently.

Why Not BIG.little?
While the obvious upper/lower case designation for this would be BIG.little, somebody thought big.LITTLE would be more ingenious. Go figure. See ARM chips and Exynos 5 Octa.
References in periodicals archive ?
NUCLUN (pronounced NOO-klun) was designed using ARM big.
The Exynos 5 Octa family features an eight-core ARM big.
Being able to implement Full Profile GPU Compute in conjunction with ARM big.
In addition to being suitable for smartphones and mobile computing devices, ARM big.
The Exynos 5 Octa variant will also see better power efficiency due to its ARM big.
Building on previous EDA tools and ARM Cortex-A15 processor license agreements, this new agreement provides Synopsys with access to a range of Cortex processors, including technology needed to implement ARM big.