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  1. Minecraft: Java Edition
  2. MC-64589

unplayable on low-specs pc / easily reproducible by limiting fps and render distance in options

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    Details

    • Type: Bug
    • Status: Resolved
    • Resolution: Duplicate
    • Affects Version/s: Minecraft 14w31a
    • Fix Version/s: None
    • Labels:
      None
    • Environment:
      linux on Atom netbook ; windows xp on Atom netbook ; window seven 64 bits on high-end laptop
    • Confirmation Status:
      Unconfirmed

      Description

      I play MC on various low-end PC (1gig ram, first generation of Atom cpu with ntegrated 3d graphics) and I'm happy with the experience despite an obviously low fps rate.

      I tried the last snapshot, thinking that the the chunk culling algorithm may improve the overall performance.

      However, the game turns out to be unplayable.

      • Every chunk takes a couple of seconds to load,
      • Every single action on the MC word takes a couple of seconds to be synced with the server.
      • A lot of lag spikes

      The good new is that this regression in optimization is easily testable on a high-end computer. Just limit the fps rate at 10 in options screen. Also limit the render distance at minimum for more spectacular chunk loading lag.

      Summary

      What I expected to happen was...:

      When I limit the frame rate to 10fps via the option screen in single player mode, my single player game should work at a low framerate but with everything else as reactive as possible: chunk loading, client/server synchronisation, etc.

      What actually happened was...:

      When I limit the frame rate to 10fps in single player mode, client/server communication messed up. Chunk loading lags. Chunck updates lags.

      Steps to Reproduce:

      1. Set the frame rate and the render distance to its minimum value

      2. Play a single player game.

      3. Notice that chunck loading and updating lags in much more proportion than the frame rate limitation.

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              Assignee:
              Unassigned Unassigned
              Reporter:
              miellaby Sylvain Garden
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