New Linux tech compresses memory in RAM, as RAM, for 452x speedup

New CRAM method offers giant boost to compressed memory reads

New Linux tech compresses memory in RAM, as RAM, for 452x speedup

A new Linux compression method called CRAM allows compressed memory to be accessed using standard memory semantics instead of as a block device, drastically improving performance. The approach yields a 452x speedup for compressed memory reads, offering a giant boost to systems that rely on memory compression.

The new method allows access using standard memory semantics instead of as a block device, drastically improving performance.
  1. eglintondust

    So can I finally download more RAM?

  2. Kevin_Flynn

    Ram Doubler, for Mac and Win 3.x, 1996

    https://winworldpc.com/product/connectix-ram-double/windows-...

    Nice to see its back, with better performance.

    History repeated, with refinement.

  3. cyberclimb

    the recording of the presentation has got to be on this YT channel but I only scrubbed through 2 videos (8h each) and it's not easy to find

    https://www.youtube.com/@LinuxPlumbersConference

    not sure where it falls in the schedule here either https://lpc.events/event/20/timetable/#all

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2026-10-08