As a followup to discussions on this thread about hardware
architectures, some of you may be interested in this new letter
published today:

        Letters to the editor: Hennessy and Patterson on the roots of RISC
        Comm. ACM 61(10) 6 (2018)
        https://doi.org/10.1145/3273019
        http://delivery.acm.org/10.1145/3280000/3273019/p6-friedman.pdf

The short two-paragraph letter is from Fred Brooks, noted computer
architect, author, and computer scientist.

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