{"id":173918,"date":"2026-06-10T02:04:28","date_gmt":"2026-06-09T23:04:28","guid":{"rendered":"https:\/\/vpesports.com\/minecraft\/mods\/zfastnoise\/"},"modified":"2026-06-10T02:04:28","modified_gmt":"2026-06-09T23:04:28","slug":"zfastnoise","status":"publish","type":"mod","link":"https:\/\/vpesports.com\/minecraft\/mods\/zfastnoise\/","title":{"rendered":"Fast Noise"},"content":{"rendered":"<p><center> <\/p>\n<p>  Keep Android Open | Contact Regulators to stop Google&#8217;s lockdown of Android<\/p>\n<p><\/center><\/p>\n<p>Fast Noise is a modern optimization mod to improve world generation times. I regularly update the mod to latest minecraft versions, bring improvements to the mod, and provide stable releases.<\/p>\n<p>**Does the mod change world generation?** The mod maintains **vanilla parity**, including with any datapacks. Do keep in mind, Vanilla non-determinism.<\/p>\n<p>**Can I use custom worldgen mods with this?** Yes, I try my best to maintain mod compatibility, and only modify safe code. Specific optimizations that may affect mod compatibility are disabled by default.<\/p>\n<p>**Forge \/ Neoforge?** Versions for minecraft 1.19.x &#8211; 1.21.8 are compatible with sinytra connector.<\/p>\n<p><center><\/p>\n<p>  ![Available on codeberg](https:\/\/codeberg.org\/ZenXArch\/FastNoise) ![Available on curseforge](https:\/\/www.curseforge.com\/minecraft\/mc-mods\/zfastnoise) ![Available on modrinth](https:\/\/modrinth.com\/mod\/zfastnoise) ![Support me on Ko-Fi](https:\/\/ko-fi.com\/I2I31KW58I)<\/p>\n<p><\/center><\/p>\n<p>## How does this mod work?  <\/p>\n<p>Fast noise optimizes storing block and biome data into chunks for the duration of worldgen.<\/p>\n<details>\n<summary> Technical Details <\/summary>\n<p>Fast noise replaces populateNoise,populateBiomes in NoiseChunkGenerator and surfaceBuilder in SurfaceBuilder.  <\/p>\n<p>Fast noise optimizes world generation by making several strong assumptions about how world generation works. By replacing vanilla&#8217;s generic and debug code for world storage with faster, more packed calculations, fast noise achieves faster throughput.<\/p>\n<p>Some key methods used to achieve that are, **reducing allocations**, **avoiding palette resizing**, **delaying\/packing block counting**, **precalculating data**,<br \/>\n**caching block state information** and more.<\/p>\n<\/details>\n<p>## How fast is it?<\/p>\n<p>About 10-18% improvement to overall worldgen in overworld in 1.21.11 on latest versions.<br \/>\nMuch higher improvement in nether, end<br \/>\nHere is a Jmh Benchmark Software.<\/p>\n<details>\n<summary> Chunky benchmark <\/summary>\n<p>  12 threads w\/ mod<br \/>\n  &#8220;`<br \/>\n  [12:39:32] [Server thread\/INFO]: [Chunky] Task finished for minecraft:overworld. Processed: 16641 chunks (100.00%), Total time: 0:01:37<br \/>\n  &#8220;`<\/p>\n<p>  W\/o mod<br \/>\n  &#8220;`<br \/>\n  [12:43:08] [Server thread\/INFO]: [Chunky] Task finished for minecraft:overworld. Processed: 16641 chunks (100.00%), Total time: 0:01:47<br \/>\n  &#8220;`<\/p>\n<p>  4 threads w\/ mod<br \/>\n  &#8220;`<br \/>\n  [12:56:23] [Server thread\/INFO]: [Chunky] Task finished for minecraft:overworld. Processed: 9409 chunks (100.00%), Total time: 0:01:10<br \/>\n  &#8220;`<br \/>\n  W\/o mod<br \/>\n  &#8220;`<br \/>\n  [13:01:11] [Server thread\/INFO]: [Chunky] Task finished for minecraft:overworld. Processed: 9409 chunks (100.00%), Total time: 0:01:23<br \/>\n  &#8220;`<\/p>\n<p>  With higher distance<br \/>\n  W\/o mod<br \/>\n  &#8220;`<br \/>\n  [13:11:01] [Server thread\/INFO]: [Chunky] Task finished for minecraft:overworld. Processed: 19881 chunks (100.00%), Total time: 0:02:43<br \/>\n  &#8220;`<br \/>\n  W\/ mod<br \/>\n  &#8220;`<br \/>\n  [13:16:03] [Server thread\/INFO]: [Chunky] Task finished for minecraft:overworld. Processed: 19881 chunks (100.00%), Total time: 0:02:21<br \/>\n  &#8220;`<\/p>\n<\/details>\n<details>\n<summary> Jmh Benchmark <\/summary>\n<p>&#8220;`<br \/>\nMods used: Fast Noise 1.0.15+26.1 on 26.1 snapshot-6<br \/>\nChunkPos: -16,-16 -> 16,16<br \/>\nEnd ChunkPos: 112,112 -> 144,144<br \/>\nChunks: 1089<br \/>\nMods used: (c2me)<\/p>\n<p>With mod:<br \/>\nBenchmark                 (worldName)  Mode  Cnt     Score    Error  Units<br \/>\nBiomesBenchmark.biomegen          end  avgt    5    11.786 \u00b1  0.168  ms\/op<br \/>\nBiomesBenchmark.biomegen       nether  avgt    5   174.833 \u00b1  1.166  ms\/op<br \/>\nBiomesBenchmark.biomegen    overworld  avgt    5  2401.797 \u00b1 31.629  ms\/op<br \/>\nNoiseBenchmark.noisegen           end  avgt    5  3052.242 \u00b1 12.358  ms\/op<br \/>\nNoiseBenchmark.noisegen        nether  avgt    5  1039.086 \u00b1  6.467  ms\/op<br \/>\nNoiseBenchmark.noisegen     overworld  avgt    5  8441.811 \u00b1 41.396  ms\/op<\/p>\n<p>With only c2me:<br \/>\nBenchmark                 (worldName)  Mode  Cnt      Score    Error  Units<br \/>\nBiomesBenchmark.biomegen          end  avgt    5     26.058 \u00b1  0.245  ms\/op<br \/>\nBiomesBenchmark.biomegen       nether  avgt    5    185.957 \u00b1  2.203  ms\/op<br \/>\nBiomesBenchmark.biomegen    overworld  avgt    5   2464.937 \u00b1 29.007  ms\/op<br \/>\nNoiseBenchmark.noisegen           end  avgt    5   3925.059 \u00b1 14.292  ms\/op<br \/>\nNoiseBenchmark.noisegen        nether  avgt    5   1920.705 \u00b1  9.864  ms\/op<br \/>\nNoiseBenchmark.noisegen     overworld  avgt    5  11552.674 \u00b1 54.112  ms\/op<\/p>\n<p>Vanilla:<br \/>\nBenchmark                 (worldName)  Mode  Cnt      Score    Error  Units<br \/>\nBiomesBenchmark.biomegen          end  avgt    5     27.051 \u00b1  0.118  ms\/op<br \/>\nBiomesBenchmark.biomegen       nether  avgt    5    239.634 \u00b1  1.702  ms\/op<br \/>\nBiomesBenchmark.biomegen    overworld  avgt    5   4589.322 \u00b1 80.331  ms\/op<br \/>\nNoiseBenchmark.noisegen           end  avgt    5   4477.113 \u00b1 36.133  ms\/op<br \/>\nNoiseBenchmark.noisegen        nether  avgt    5   1951.438 \u00b1  5.748  ms\/op<br \/>\nNoiseBenchmark.noisegen     overworld  avgt    5  14249.612 \u00b1 57.388  ms\/op<\/p>\n<p>Vanilla:<br \/>\nBenchmark                 (worldName)  Mode  Cnt     Score    Error  Units<br \/>\nSurfaceBenchmark.surface    overworld  avgt    5  5982.828 \u00b1 17.992  ms\/op<br \/>\nSurfaceBenchmark.surface       nether  avgt    5  2677.115 \u00b1  9.293  ms\/op<br \/>\nSurfaceBenchmark.surface          end  avgt    5   924.604 \u00b1  5.376  ms\/op<\/p>\n<p>With Mod:<br \/>\nBenchmark                 (worldName)  Mode  Cnt     Score     Error  Units<br \/>\nSurfaceBenchmark.surface    overworld  avgt    5  4820.672 \u00b1  24.669  ms\/op<br \/>\nSurfaceBenchmark.surface       nether  avgt    5  1914.289 \u00b1 644.099  ms\/op<br \/>\nSurfaceBenchmark.surface          end  avgt    5     0.014 \u00b1   0.003  ms\/op<\/p>\n<p>Speedup<br \/>\nOverworld: Biome: 1.026x Noise: 1.368x Surface: 1.241x<br \/>\nNether: Biome: 1.063x Noise: 1.847x Surface: 1.398x<br \/>\nEnd: Biome: 2.21x Noise: 1.285x Surface: 66357x<br \/>\n&#8220;`<\/p>\n<\/details>\n<p>The benchmarks may have some inaccuracies.<\/p>\n<p>## Socials<\/p>\n<p>![Chat with us on discord](https:\/\/discord.gg\/RFSmd7debX) ![Chat with me on mastodon](https:\/\/mastodon.social\/@ZenXArch) ![Chat with us on Gitter](https:\/\/matrix.to\/#\/#zenxarchs-modding-server:gitter.im)<\/p>\n<p>## FAQ and Help<\/p>\n<p>Q- What Minecraft versions will the mod be supporting?<br \/>\nA- I&#8217;ll try to support the latest minecraft version.<\/p>\n<p>Q- Are backports planned?<br \/>\nA- No backports are planned, current backports were a one time thing.<\/p>\n<p>Q- What other mods\/dependencies do I need?<br \/>\nA- No dependencies are required.<\/p>\n<p>Q- Will there be a neoforge version?<br \/>\nA- Yes, a NeoForge variant is planned post 26.1.<\/p>\n<p>Versions for 1.19.x,1.20.x,1.21 &#8211; 1.21.8 works with sinytra connector<\/p>\n<p>![Works with Sinytra Connector](https:\/\/raw.githubusercontent.com\/Sinytra\/.github\/main\/badges\/connector\/cozy.svg)<\/p>\n<p>Q- XYZ mod crashes, or generates incorrectly with Fast Noise?<br \/>\nA- Report the issue on codeberg or my socials.<\/p>\n<p>## Incompatible mods<br \/>\nMoonrise is incompatible, as It changes minecraft internals drastically<br \/>\nNoisium is incompatible, as Fast Noise is intended as a replacement for noisium.<br \/>\nAnti-Xray is incompatible for now, as it needs to put extra data in minecraft block storage, which breaks fastnoise<\/p>\n<p>## Credits<br \/>\n&#8211; Stevenplays, for developing noisium mod, I started developing fast noise while trying to port noisium to latest minecraft.<br \/>\n&#8211; Ishland, for helping with mod, and modern-yarn and neo-loom<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vanilla Worldgen optimization 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