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The Mobile CPU Core-Count Debate: Analyzing The Real World The Mobile CPU Core-Count Debate: Analyzing The Real World
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The Mobile CPU Core-Count Debate: Analyzing The Real World
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Old 2nd September 2015, 19:45   #1
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Default The Mobile CPU Core-Count Debate: Analyzing The Real World

Over the last 5 years the mobile space has seen a dramatic change in terms of performance of smartphone and tablet SoCs. The industry has seen a move from single-core to dual-core to quad-core processors to today’s heterogeneous 6-10 core designs. This was a natural evolution similar to what the PC space has seen in the last decade, but only in a much more accelerated pace. While ILP (Instruction-level parallelism) has certainly also gone up with each new processor architecture, with designs such as ARM’s Cortex A15 or Apple’s Cyclone processor cores brining significant single-threaded performance boosts, it’s the increase of CPU cores that has brought the most simple way of increasing overall computing power.

This increasing of CPU cores brought up many discussions about just how much sense such designs make in real-world usages. I can still remember when the first quad-cores were introduced that users were arguing the benefit of 4 cores in mobile workloads and that these increases were just done for the sake of marketing. I can draw parallels between those discussions from a few years ago and today’s arguments about 6 to 10-core SoCs based on big.LITTLE.

http://www.anandtech.com/show/9518/t...recount-debate
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