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[JEIR] | JEI Rewired

Massively speeds up Just Enough Items by cutting down loading freezes, optimizing recipe processing and search indexing, and keeping every single recipe intact. Made with love at BlackRift Studios :]
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jeirewired-1.2.0-omni-1.20.1.jar

File namejeirewired-1.2.0-omni-1.20.1.jar
Uploader
AdmanyAdmany
Uploaded
Oct 25, 2026
Downloads
131
Size
1.1 MB
Mod Loaders
ForgeFabricNeoForge
File ID
9318980
Type
R
Release
Supported game versions
  • 1.20.1
DownloadInstall Via App

Curse Maven Snippet

Forge

implementation fg.deobf("curse.maven:jeir-1742967:9318980")

Fabric

modImplementation "curse.maven:jeir-1742967:9318980"

NeoForge

implementation fg.deobf("curse.maven:jeir-1742967:9318980")

Learn more about Curse Maven

What's new

JEI Rewired V1.2.0-RELEASE

Big search and recipe perf pass :]

Startup and recipe performance

Compared with the older Rewired build. All timings are milliseconds.

Operation Before Now Change
Runtime publication 2,519.14 1,982.85 21.3% less time
All fixture recipes usable 2,532.60 2,009.91 20.6% less time
First search 12.26 10.64 13.2% less time
Readiness + first search 2,544.87 2,020.55 20.6% less time
Repeated 24-query cycle 24.16 9.40 61.1% less time
Query-cycle P95 27.27 11.91 56.3% less time
All custom recipes, 16 lookups 8.070 3.929 51.3% less time
Focused custom recipes, 64 lookups 0.829 0.507 38.8% less time
Focused categories, 64 lookups 0.337 0.150 55.5% less time
Custom layouts, 32 builds 0.074 0.053 28.4% less time
Open custom recipe screen 1.761 0.975 44.6% less time
All native recipes, 4 lookups 29.502 8.661 70.6% less time
Native input focus, 64 lookups 2.418 1.125 53.5% less time
Native output focus, 64 lookups 0.309 0.209 32.4% less time
Item categories, 64 lookups 1.206 0.867 28.1% less time
Native layouts, 32 builds 0.256 0.207 19.2% less time
Open focused-item screen 1.759 1.270 27.8% less time
Cold custom recipe registration 28.72 16.18 43.7% less time

Every measured search query

Warmed query timings, in milliseconds.

Query Before Now Time reduction
Empty filter 2.24970 1.95595 13.1%
alloy 0.48610 0.34370 29.3%
copper 0.35450 0.27560 22.3%
copper plate 0.65730 0.09890 85.0%
steel 0.70060 0.25950 63.0%
steel gear 0.15700 0.08645 44.9%
crystal 0.73280 0.27105 63.0%
crystal shard 0.14720 0.08630 41.4%
gold 0.70180 0.27550 60.7%
gold casing 0.48670 0.08870 81.8%
iron 0.70940 0.28025 60.5%
iron rod 0.28160 0.08885 68.4%
module 3.48930 1.54735 55.7%
module 12 0.31900 0.26725 16.2%
alloy plate 0.92090 0.09050 90.2%
copper gear 0.81110 0.09755 88.0%
steel shard 0.79780 0.09870 87.6%
crystal casing 0.56450 0.09990 82.3%
gold rod 0.63730 0.08965 85.9%
iron module 2.22930 0.36550 83.6%
@matchedbench 3.01030 1.52130 49.5%
alloy -copper 1.42640 0.42220 70.4%
gear | shard 1.59150 0.53555 66.3%
unmatched987654321 0.02990 0.01410 52.8%

Memory and allocations

Heap numbers cover the whole test client. Registration allocations are temporary allocations on the calling thread, not retained RAM!!!!!

Measurement Before Now Reduction
Client heap after GC 545.34 MiB 538.71 MiB 1.22%
Client heap at capture end 545.35 MiB 540.71 MiB 0.85%
Native registration allocation 253.72 MiB 248.18 MiB 2.18%
Custom registration allocation 14.31 MiB 10.72 MiB 25.13%
Combined registration allocation 268.03 MiB 258.90 MiB 3.41%

Sorting and tokenizer work

Component Before After Reduction
Tooltip tokenization 3.309 ms 2.968 ms 10.31%
Sorting, 8 configured mods 4.515 ms 2.367 ms 47.57%
Sorting, 256 configured mods 74.691 ms 3.428 ms 95.41%
Tokenizer temporary allocation 13,180,896 B 8,576,000 B 34.94%

This took me way too much pain xd, but hopefully it serves well :DDD

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