Posts Tagged ‘ARM big.LITTLE’
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What is CPU frequency scaling?

by: Gary SimsFebruary 12, 2016
There is a feature in Android (via the Linux kernel) which allows the clock frequency of the CPU to be varied. What is it and how does it work?
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ARM bringing Energy-Aware Scheduling to Android

by: Gary SimsDecember 31, 2015
The EAS project is trying to solve a design limitation of two Linux power-management subsystems - they don’t coordinate their decisions with the scheduler.

Snapdragon 820 vs Exynos 8890: the 2016 mobile SoC battle begins

by: Robert TriggsNovember 11, 2015
We take a closer look at the mobile SoCs heading to devices in 2016, including the Snapdragon 820, Exynos 8890, Kirin 950 and MediaTek Helio X20.
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ARM announces its next-gen CoreLink system for Heterogeneous Computing

by: Robert TriggsOctober 27, 2015
ARM has announced its new CoreLink CCI-550 interconnect and DMC-500 memory controller, promising bandwidth improvements for next-gen mobile devices

Exynos 7420: Multitasking, multi-core and multiprocessing

by: Gary SimsAugust 31, 2015
The Exynos 7420 has an octa-core CPU, 4x Cortex-A53 cores, and 4x Cortex-A57 cores. But how much parallelism is there between the cores? We dig deep and find out.

Up close and personal: how the Samsung Galaxy S6 uses its octa-core processor

by: Gary SimsJune 22, 2015
The Exynos 7420 has an octa-core CPU, but how does the Samsung Galaxy S6 use it? We get up close and personal with it to see how it multitasks.
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Fact or Fiction: Android apps only use one CPU core

by: Darcy LaCouveeMay 25, 2015
Quad-core and octa-core devices seem to be the norm at the moment, but can Android apps use so many cores? I did some testing and this is what I found out.
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Why 8 and 10 CPU cores in smartphones are a good idea – a lesson from the kitchen

by: Gary SimsMay 13, 2015
Patrick Moorhead recently wrote an article for Forbes about why 8 core CPUs are a bad idea for mobile. I think he is wrong, so here is my rebuttal.
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ARM vs X86 – Key differences explained!

by: Gary SimsNovember 25, 2014
ARM is the top CPU designer for mobile, Intel is the big name in PCs. Both make CPUs for Android devices, but what is the difference between them?
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ARM’s Intelligent Power Allocation adds some more clever to thermal management

by: Gary SimsOctober 13, 2014
ARM has some clever tech which improves the thermal management of a SoC by controlling the CPU cores and the GPU to keep the chip within its thermal budget.
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