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Chunk Loading Profiler

Profiles chunk loading performance
by lcy0x1
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21,592 downloads
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Updated Jul 6, 2026
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Performance Server Utility

Discord: https://discord.gg/BCHNhsDMXz

This mod profiles the time it takes for each chunk loading stage. To start profiling, run `/profilechunk <ticks to profile>`.

The result will be saved in `logs/profiler/`. It will contain the following stages:

  • Initialization: The chunks load some basic stuff. Should be very fast
  • Biome: The chunks decide what biomes are present. The more biomes you havve, the slower this process will be.
  • Terrain: The chunk generates the basic blocks. Should take the longest
  • Surface: The biome-specific surface look. Details are attributable to mods.
  • Carver: Things that modifies the terrain. Such as caves and canyons
  • Decoration: Trees, ores, and structures. Details are attributable to mods.
  • Spawn: Add initial mobs
  • Finalization: The final processing. Should be very fast unless mods are doing stuff here.
chunkloadingprofiler-1.20.1+0.0.6.jar
MC Client, NeoForge, 1.20.1, Forge, Server
Release 2025-07-23 Get
chunkloadingprofiler-1.21.1+0.0.6.jar
MC Client, NeoForge, 1.21.1, Server
Release 2025-03-25 Get

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