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Non-power of two memory configuration

  • US 10,642,734 B1
  • Filed: 12/03/2018
  • Issued: 05/05/2020
  • Est. Priority Date: 12/03/2018
  • Status: Active Grant
First Claim
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1. A system comprising:

  • one or more clients; and

    a memory subsystem having a first ratio of active memory channels to total memory channels;

    wherein the memory subsystem is configured to;

    reduce the first ratio to a second ratio of a first number to a second number;

    receive a memory request from a client of the one or more clients;

    responsive to determining that a first subset of physical address bits of the memory request have a value that is greater than or equal to the first number;

    calculate a third number based on a value corresponding to a second subset of physical address bits modulo the first number;

    select a memory channel, of a plurality of memory channels, using a concatenation of the third number and a third subset of physical address bits; and

    complete the memory request to the selected memory channel.

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