ARM big.LITTLE: The trouble with heterogeneous multi-processing: when 4 are better than 8 (or when 8 is not always the “lucky” number)

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What is big.LITTLE? ARM’s big.LITTLE arch made big waves on launch way back in 2011; it was heralded as a great way to combine performance with power: a “big” (computationally powerful but power hungry) core was to be coupled with a “LITTLE” (slow but low-power) core – and switched as … Read more…