Collections Of Optimizations

Collections Of Optimizations patches the slow, leaky and broken parts of Minecraft and the mods in your pack.
Most performance mods only touch Minecraft. This one also touches the mods you actually play with.
Mod patches only load if the mod they target is installed, and every patch has its own config switch.

Forge 1.20.1 | Client & Server | 205 mods patched

These are numbers from my pack. The more of the patched mods you run, the bigger the gain. A small pack won't see an extreme change.

• Better Village: was caching about 300-400 MB of empty air in its structure templates. Fixed.
• Modular Routers: fixed a vacuum-module item dupe.
• L_Ender's Cataclysm: rebuilt its 3D item renderer every frame and scanned 30,000 blocks per tick for the Leviathan rift with much more other stuff. All fixed.
• Xaero's World Map: Lagged my game always at 14% of the render thread. I made it a little lighter.

Plus memory leak, dupe and crash fixes across many more mods.

These don't need any other mod, so they help in every pack:

• FPS: sky, fog and biome colours worked out once instead of several times a frame, faster biome blending, and lighter text, model and animation rendering.
• Ticking: mobs stop scanning thousands of blocks for things that aren't there, plus lighter entity tracking, raycasts and movement.
• Loading & worldgen: faster chunk loading, faster terrain and structure generation, faster /locate, and structure templates trimmed of empty air.

Ctrl+F whatever u wanna find

Ad Astra · Adam's Ars Plus · Advanced Bow Enchants · Alex's Caves · Alex's Mobs · AllTheLeaks · AmbientSounds · Amendments · Animus · Architectury API · Armageddon · Ars 'n' Spells · Ars Additions · Ars Elemental · Ars Energistique · Ars Nouveau · Artifacts · Async Particles · Balm · Better Combat · Better Spellcasting · Biolith · Biomancy 2 · Blessfulled · Block Swap · Blood Magic · Born in Chaos · Bosses of Mass Destruction · Bosses' Rises · Brutal Bosses · Brutality · Cable Facades · Caelus · Caster Curios Bonus · Celestial Core · Celestial Enchantments · Celestisynth · Chimes · Citadel · CoFH Core · Cognition · Companions · Cooking for Blockheads · Corpse · Cosmetic Armor Reworked · Covenant of the Seven · Create · Create Crafts & Additions · Create Slice & Dice · Create: Copycats+ · Create: Solar · Creatures and Beasts · Critters and Companions · Critters n' Crawlers · Cucumber Library · Curios API · Dark Doppelganger · Deeper and Darker · Distant Horizons · Dodo's Mobs · Domestication Innovation · Dungeon Crawl · Dungeons Delight · Duplicationless · Dynamic Trees · Easy Villagers · Echelon · EEEAB's Mobs · Elysium API · Embeddium · Ending Library · Enigmatic Addons · Enigmatic Delicacy · Enigmatic Legacy · Entity Model Features · Extra Hostile Neural Networks · Fallen Traits · FancyMenu · Farmer's Delight · Faunify · Fluidium · From The Shadows · FTB Chunks · GeckoLib · Gnetum · Goety · Goety Cataclysm · Goety Hostility · Goety Revelation · Goety's Delight · GTBC's Geomancy Plus · GTBCS Spell Lib · Hazen 'n Stuff · Hexerei · Hostile Neural Networks · IAF Dragon Fix (port) · Ice and Fire · ImmediatelyFast · Immersive Aircraft · Immersive Armors · Industrial Foregoing · Integrated API · Integrated Villages · Iron's Spells 'n Spellbooks · Item Filters · Jaden's Nether Expansion · JEI · Just Dire Things · Kind of Nice Weapon · Konkrete · L2 Archery · L2 Backpack · L2 Complements · L2 Hostility · L2 Library · Legendary Monsters · Legendary Spellbooks · Lethality · Lionfish API · Lithostitched · Lootr · L_Ender's Cataclysm · Macabre · Mahou Tsukai · Marium's Soulslike Weaponry · Meet Your Fight · Mekanism: Weapons · MmmMmmMmmMmm · Mob Grinding Utils · ModernFix · Modular Routers · Moonlight Lib · More Artifacts · More Hitboxes · More Relics · Mowzie's Mobs · Mutant Monsters · Mystical Agriculture · Myths and Legends · Nature's Aura · NeoBackports · NotEnoughAnimations · Oculus · Odd Accessories · Oh The Biomes We've Gone · Opposing Force · Patchouli · Pehkui · Perception · Peyro's Scythe · Photon · Pick Up Notifier · Placebo · Powah · Primitive Mobs · Projectile Damage Attribute · Pufferfish's Attributes · Punchy · Qliphoth Awakening · Quark · Radium · Refined Mod · Regions Unexplored · Relics · Ribbits · Saint's Dragons · Sanguine Neural Networks · Shoulder Surfing Reloaded · Simply More · Simply Swords · Simply Swords Overhaul · Skarrier Mobs · Sky Arena · Snuffles · SomakeSpells · Sophisticated Backpacks · Species · Starcatcher · Storage Drawers · Structurify · Subtle Effects · Summonity · Supplementaries · TACT · Terra Curio · TerraBlender · Terramity · Text Animator · The Undergarden · Titanium · Tome of Blood: Rebirth · Tome of Wonders · Tons Of Enchants · Too Many Bows · Too Many Glyphs · Tooltip Overhaul · Torchmaster · Transmog · Traveloptics · Unique Accessories · Xaero's + Waystones Compat · Xaero's Minimap · Xaero's World Map · XaeroLib · Zeta

Everything is in config/collections_of_optimizations-common.toml. general.enabled turns every patch off at once, which is good for A/B testing or finding bugs.

Open an issue if you want a mod audited. Don't request one just because it "feels laggy". Only do it if it makes a noticeable difference.
Back it up with profiler data or point to the inefficient code.

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Credits: Lomka by Starlev (LGPL-3.0): the PoseStack.mulPose, BlockPos.betweenClosed, PalettedContainer.get and Cursor3D patches are reimplementations of patches from Lomka 0.5.4. Ice and Fire dragon dens are ported from IAF Dragon Fix (MIT).