obvious stuff

By: Michael S (already5chosen.delete@this.yahoo.com), November 21, 2022 3:43 pm
Room: Moderated Discussions
Andrey (andrey.semashev.delete@this.gmail.com) on November 21, 2022 1:50 pm wrote:
> anonymou5 (no.delete@this.spam.com) on November 21, 2022 1:25 pm wrote:
> > > Of course, if this is done it is done internally in hardware and invisible
> > > to software. Would anyone publish it if they did this?
> >
> > Check the patent literature, for the obvious stuff.
> >
> > Btw, encryption is another aspect which makes the 0-vs-1 debate (as well as DBI) moot.
> Encryption happens in the CPU, no? Meaning that the DRAM interface
> would still benefit from DBI the same as with unencrypted data.

When DBI is applied to encrypted data (or to any other data with equal probabilities of all 256 byte value), on average it reduces density on zeros only by 18%.
And before you're asking, yes, in DDR4 DBI is used to reduce a density of zeroes, not density of ones.
I don't know why.

< Previous Post in ThreadNext Post in Thread >
TopicPosted ByDate
Is 1 more expensive than 0?Andrey2022/11/21 05:23 AM
  Is 1 more expensive than 0?Juha Lainema2022/11/21 06:15 AM
  Is 1 more expensive than 0?Adrian2022/11/21 07:21 AM
    Is 1 more expensive than 0?anon22022/11/21 05:29 PM
  switching between 0 and 1 is what consumes powerHeikki Kultala2022/11/21 07:23 AM
    Thank you all for your answers. (NT)Andrey2022/11/21 08:29 AM
  Is 1 more expensive than 0?Foyle2022/11/21 08:58 AM
    Is 1 more expensive than 0?Michael S2022/11/21 10:51 AM
    Is 1 more expensive than 0?Captain Obvious2022/11/21 11:29 AM
      obvious stuffanonymou52022/11/21 02:25 PM
        obvious stuffAndrey2022/11/21 02:50 PM
          obvious stuffMichael S2022/11/21 03:43 PM
  SRAM is bistableAnon2022/11/21 10:50 AM
    SRAM is bistableAndrew Clough2022/11/22 05:53 AM
  NAND Flash 1 and 0jokerman2022/11/24 01:13 PM
    NAND Flash 1 and 0Joern Engel2022/11/25 12:00 AM
      NAND Flash 1 and 0Ungo2022/11/25 02:26 AM
        The ECC needs to be stored. as ones ane zeroes (NT)Heikki Kultala2022/11/25 08:31 AM
          The ECC needs to be stored. as ones ane zeroesanon22022/11/25 05:07 PM
            The ECC needs to be stored. as ones ane zeroesHeikki Kultala2022/11/26 12:48 AM
              The ECC needs to be stored. as ones ane zeroesanon22022/11/26 02:00 AM
Reply to this Topic
Body: No Text
How do you spell tangerine? 🍊