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Volume 3 Issue 6, June 2020

In-memory computing finds a new dimension

Using 760,000 phase-change memory devices, an in-memory hyperdimensional computing system can be created that can perform machine learning tasks such language classification. Hyperdimensional computing takes inspiration from the brain and uses the mathematical properties of hyperdimensional spaces comprised of high-dimensional binary vectors known as hypervectors. The schematic illustration on the cover highlights these hypervectors (represented as cylinders) and the quasi-orthogonality of large hypervectors; the elements of the hypervectors are encoded using different atomic arrangements of small volumes of phase-change material (represented here with different ball-and-stick structures).

See Karunaratne et al.

Image: XVIVO Scientific Animation. Cover Design: Alex Wing.

Editorial

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