May 2019 - Vol. 62 No. 5

May 2019 issue cover image

Features

Opinion Letters to the editor

Don’t Ignore the Cost of ‘Embedded Energy’

Andrew A. Chien's Editor's Letter (March 2019) addressed the topic of our common responsibility for the ecological cost of our industry but said nothing about so-called "embedded energy" when exploring the growth of electronic waste.
Research and Advances Research highlights

Compressed Linear Algebra for Declarative Large-Scale Machine Learning

General-purpose compression struggles to achieve both good compression ratios and fast decompression for blockwise uncompressed operations. Therefore, we introduce Compressed Linear Algebra for lossless matrix compression.

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