Framerate and Performance: Difference between revisions

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6. If you experience lag spikes with no obvious cause in the game (you have a good GPU, reasonable graphics settings not too high, and plenty of RAM free) the cause could be [[Framerate_and_Performance#Causes outside Vintage Story|outside Vintage Story]]. For example, Discord has been known to cause occasional lag spikes on some systems.
6. If you experience lag spikes with no obvious cause in the game (you have a good GPU, reasonable graphics settings not too high, and plenty of RAM free) the cause could be [[Framerate_and_Performance#Causes outside Vintage Story|outside Vintage Story]]. For example, Discord hardware acceleration features have been known to cause occasional lag spikes on some systems.


''Tip: You can troubleshoot the possible causes of lag spikes yourself by running the command <code>.debug logticks 50</code> and then afterwards examining the `client-main.txt` log file in VintagestoryData/Logs.''  You can ask a more experienced player or a team member for help interpreting the output.
''Tip: You can troubleshoot the possible causes of lag spikes yourself by running the command <code>.debug logticks 50</code> and then afterwards examining the `client-main.txt` log file in VintagestoryData/Logs.''  You can ask a more experienced player or a team member for help interpreting the output.
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9. There's a known issue on '''Radeon''' graphics cards - including high end Radeon cards - about GPU availability, more like memory lock contention. The issue is normally only seen on max graphics settings (with shadows enabled) and is most obvious when moving across the map so that a lot of new map loads, there can be '''noticeable frame rate drops and stutter'''. Game version 1.15.7 and above has a change that slightly improves this, we hope to do even more to work around it in future versions, but it is a hardware/GPU issue. For anyone bothered by the issue, a solution is to ease the pressure on the GPU by turning down some of the top end settings (SSAO and Shadows or reduce the MaxFPS) so that the GPU has some idle time each frame.
9. There's a known issue on '''Radeon''' graphics cards - including high end Radeon cards - about GPU availability, more like memory lock contention. The issue is normally only seen on max graphics settings (with shadows enabled) and is most obvious when moving across the map so that a lot of new map loads, there can be '''noticeable frame rate drops and stutter'''. Game version 1.15.7 and above has a change that slightly improves this, Chunk Upload Rate Limiter setting at higher levels might also help, but ultimately it is a hardware/GPU issue. For anyone bothered by the issue, a solution is to ease the pressure on the GPU by turning down some of the top end settings (SSAO and Shadows or reduce the MaxFPS) so that the GPU has some idle time each frame.


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10. The Occlusion Culling graphics setting is recommended on any modern multi-core CPU (4 cores or more) - it uses one additional CPU thread but leads to less work for the GPU. This can drastically increase performance while playing with high render distances.
10. The Occlusion Culling graphics setting is recommended on any modern multi-core CPU (4 cores or more) - it uses one additional CPU thread but leads to less work for the GPU. This can drastically increase performance while playing with high render distances. However, try toggling it - on a few systems things might be smoother if it switched off.


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