-Xmx2G -Xms2G
-XX:+UseG1GC
-XX:+ParallelRefProcEnabled
-XX:MaxGCPauseMillis=75
-XX:+UnlockExperimentalVMOptions
-XX:+DisableExplicitGC
-XX:+AlwaysPreTouch
-XX:G1NewSizePercent=28
-XX:G1MaxNewSizePercent=35
-XX:G1HeapRegionSize=4M
-XX:G1ReservePercent=18
-XX:InitiatingHeapOccupancyPercent=20
-XX:G1MixedGCLiveThresholdPercent=90
-XX:SurvivorRatio=32
-XX:MaxTenuringThreshold=1
-XX:+PerfDisableSharedMem
-Dusing.aikars.flags=true
-Daikars.new.flags=true

-Xmx3G -Xms3G
-XX:+UseG1GC
-XX:+ParallelRefProcEnabled
-XX:MaxGCPauseMillis=60
-XX:+UnlockExperimentalVMOptions
-XX:+DisableExplicitGC
-XX:+AlwaysPreTouch
-XX:G1NewSizePercent=30
-XX:G1MaxNewSizePercent=40
-XX:G1HeapRegionSize=8M
-XX:G1ReservePercent=20
-XX:InitiatingHeapOccupancyPercent=15
-XX:G1MixedGCLiveThresholdPercent=90
-XX:G1MixedGCCountTarget=4
-XX:SurvivorRatio=32
-XX:MaxTenuringThreshold=1
-XX:+PerfDisableSharedMem
-Dusing.aikars.flags=true
-Daikars.new.flags=true

-Xmx5G -Xms5G
-XX:+UseG1GC
-XX:+ParallelRefProcEnabled
-XX:MaxGCPauseMillis=50
-XX:+UnlockExperimentalVMOptions
-XX:+DisableExplicitGC
-XX:+AlwaysPreTouch
-XX:G1NewSizePercent=30
-XX:G1MaxNewSizePercent=40
-XX:G1HeapRegionSize=8M
-XX:G1ReservePercent=20
-XX:InitiatingHeapOccupancyPercent=15
-XX:G1MixedGCLiveThresholdPercent=90
-XX:G1MixedGCCountTarget=4
-XX:SurvivorRatio=32
-XX:MaxTenuringThreshold=1
-XX:+PerfDisableSharedMem
-Dusing.aikars.flags=true
-Daikars.new.flags=true

-Xmx7G -Xms7G
-XX:+UseG1GC
-XX:+ParallelRefProcEnabled
-XX:MaxGCPauseMillis=50
-XX:+UnlockExperimentalVMOptions
-XX:+DisableExplicitGC
-XX:+AlwaysPreTouch
-XX:G1NewSizePercent=30
-XX:G1MaxNewSizePercent=40
-XX:G1HeapRegionSize=8M
-XX:G1ReservePercent=20
-XX:InitiatingHeapOccupancyPercent=15
-XX:G1MixedGCLiveThresholdPercent=90
-XX:G1MixedGCCountTarget=4
-XX:SurvivorRatio=32
-XX:MaxTenuringThreshold=1
-XX:+PerfDisableSharedMem
-Dusing.aikars.flags=true
-Daikars.new.flags=true

-Xmx8G -Xms8G
-XX:+UseG1GC
-XX:+ParallelRefProcEnabled
-XX:MaxGCPauseMillis=50
-XX:+UnlockExperimentalVMOptions
-XX:+DisableExplicitGC
-XX:+AlwaysPreTouch
-XX:G1NewSizePercent=30
-XX:G1MaxNewSizePercent=40
-XX:G1HeapRegionSize=8M
-XX:G1ReservePercent=20
-XX:InitiatingHeapOccupancyPercent=15
-XX:G1MixedGCLiveThresholdPercent=90
-XX:G1MixedGCCountTarget=4
-XX:SurvivorRatio=32
-XX:MaxTenuringThreshold=1
-XX:+PerfDisableSharedMem
-Dusing.aikars.flags=true
-Daikars.new.flags=true

-Xmx10G -Xms10G
-XX:+UseG1GC
-XX:+ParallelRefProcEnabled
-XX:MaxGCPauseMillis=40
-XX:+UnlockExperimentalVMOptions
-XX:+DisableExplicitGC
-XX:+AlwaysPreTouch
-XX:G1NewSizePercent=30
-XX:G1MaxNewSizePercent=40
-XX:G1HeapRegionSize=16M
-XX:G1ReservePercent=20
-XX:InitiatingHeapOccupancyPercent=15
-XX:G1MixedGCLiveThresholdPercent=90
-XX:G1MixedGCCountTarget=4
-XX:SurvivorRatio=32
-XX:MaxTenuringThreshold=1
-XX:+PerfDisableSharedMem
-Dusing.aikars.flags=true
-Daikars.new.flags=true

-Xmx12G -Xms12G
-XX:+UseG1GC
-XX:+ParallelRefProcEnabled
-XX:MaxGCPauseMillis=40
-XX:+UnlockExperimentalVMOptions
-XX:+DisableExplicitGC
-XX:+AlwaysPreTouch
-XX:G1NewSizePercent=30
-XX:G1MaxNewSizePercent=40
-XX:G1HeapRegionSize=16M
-XX:G1ReservePercent=15
-XX:InitiatingHeapOccupancyPercent=10
-XX:G1MixedGCLiveThresholdPercent=85
-XX:G1MixedGCCountTarget=4
-XX:SurvivorRatio=32
-XX:MaxTenuringThreshold=1
-XX:+PerfDisableSharedMem
-Dusing.aikars.flags=true
-Daikars.new.flags=true

Mods

🔧 Core Optimisation & Performance

• Alternate Current – rewrites redstone logic for huge performance gains.
• Async – makes game tasks run asynchronously for smoother performance.
• Async Pack Scan – scans resource packs in parallel to speed up loading.
• AsyncParticles – processes particles asynchronously to reduce lag.
• BadOptimisation – experimental tweaks to squeeze out extra performance.
• Client Side Noteblocks – optimizes client-side note block sounds for smoother performance.
• Concurrent Chunk Management Engine (C2ME) – multithreaded chunk generation and management.
• Crash Assistant – prevents and mitigates crashes by handling them gracefully.
• Debugify – improves network and client debugging for better performance diagnostics.
• Dynamic FPS – reduces resource usage when Minecraft is in the background.
• FerriteCore – reduces memory usage from block and model data.
• FastBoot – speeds up Minecraft startup times.
• GPU Booster – optimizes GPU performance in rendering tasks.
• ImmidatelyFast – optimizes immediate mode rendering for higher FPS.
• Lithium – optimizes entity and block ticking performance.
• Palladium – improves multithreaded performance and system resource handling.
• Structure Layout Optimizer – optimizes structure layout generation for faster worldgen.
• Vertigo – modern performance optimizations for entity and block updates.

🌍 World & Chunk Management

• Better Biome Reblend – improves biome color blending for smoother visuals.
• BetterGrassify – optimizes grass rendering for smoother visuals.
• Chunky – world pre-generator to remove lag spikes when exploring.
• Clumps – merges XP orbs into single entities to reduce entity lag.
• Cull Leaves – hides unseen leaf blocks for big FPS boosts.
• Entity View Distance – adjusts entity render distances for performance.
• Fast Async World Save – speeds up world saving by running tasks asynchronously.
• FastQuit – lets you return to the title screen instantly while worlds save in the background.
• Fast Item Frames – optimizes item frames for smoother gameplay.
• Idle Tweaks – reduces resource usage when the game is idle.
• Let Me Despawn – allows items and entities to despawn faster to reduce entity lag.
• Marlow's Crystal Optimizer – optimizes crystal entity rendering for PVP.
• Smoke Suppression – disables or reduces campfire smoke particles for performance.
• Tnt Limiter – prevents TNT explosions from lagging or crashing servers.
• Too Many Entities – reduces lag from excessive mobs/entities.
• Very Many Players (VMP) – optimizes servers to handle extremely large player counts.

🎨 Rendering & Visuals

• Continuity – adds connected textures with performance-friendly rendering.
• Exordium – reduces lag from rendering the GUI by optimizing rendering layers.
• Gamma Utils – lets you tweak brightness and gamma beyond vanilla limits.
• Gpu memory leak fix mod – prevents common GPU memory leaks.
• Iris – modern shader loader with optimization focus.
• Ksyxis – improves resource loading by optimizing how assets are handled.
• Noxesium – optimizes rendering of particles and GUI elements.
• OptiGUI – optimizes GUI rendering and reduces stutter.
• Puzzle – custom resource pack features without performance loss.
• Resourcify – improves resource loading performance.
• ResourcePackCached – caches resource packs locally for faster loading.
• ScalableLux – dynamic lighting engine optimized for performance.
• Sodium – massive FPS boost via rendering engine overhaul.
• Sodium Extra – adds extra settings and options for Sodium.
• Sodium/Embeddium Device Check – checks for device compatibility and optimizes Sodium settings.

🌐 Networking & Connection

• FIX MY PINGGGGG – reduces network latency with optimized handling.
• kennytvs-epic-force-close-loading-screen-mod-for-fabric – instantly close loading screens without waiting.
• Krypton – optimizes the Minecraft networking stack for servers and clients.
• KryptonFNP Patcher – fixes Krypton's "frozen network pipeline" bug.
• Packet Fixer – fixes and optimizes packet handling to reduce lag.
• Particle Core – optimizes particle rendering and handling.
• Remove Loading Screen – removes or optimizes loading screens for faster startup.
• Save My Shaky Network – stabilizes poor network connections for smoother multiplayer.
• ServerAddressSpaceFix – fixes server memory address handling issues.
• Server Ping Fixer – fixes incorrect or slow server ping reporting.
• Server Resourcepack Checker – ensures resource packs load correctly from servers.
• XXL Packets – improves handling of large packets for stability.

🖥️ Interface & Utilities

• Language Reload – speeds up language switching and resource reloads.
• Load Support – ensures compatibility between performance mods on startup.
• Mod Menu – adds a clean UI for managing mods.
• Reese's Sodium Options – improved UI for Sodium's settings.
• Zoomify – adds a smooth performance-friendly zoom feature.

📚 Libraries / Dependencies / APIs

• Almanac – required by Load Support.
• Collective – required by Tnt Limiter, Too Many Entities.
• Cupboard – required by Resourcify.
• Fabric API – required by almost all mods in the pack.
• Fabric Language Kotlin – required by Ksyxis, Uuid-based mods if present.
• Forge Config API – required by Smoke Suppression, Very Many Players.
• Fzzy Config – required by Gamma Utils, Zoomify.
• MidnightLib – required by Cull Leaves, Dynamic FPS, Ksyxis, Zoomify.
• Puzzle Lib – required by Continuity, Puzzle, Resourcify.
• Resourceful Config – required by Structure Layout Optimizer.
• ToadLib – required by Vertigo.
• YetAnotherConfigLib (YACL) – required by Sodium Extra.

Mods

🔧 Core Optimisation & Performance

• Alternate Current – rewrites redstone logic for huge performance gains.
• Architectury API – cross-platform compatibility layer for mods.
• Async – makes game tasks run asynchronously for smoother performance.
• Async Pack Scan – scans resource packs in parallel to speed up loading.
• AsyncParticles – processes particles asynchronously to reduce lag.
• Audition Consumable Optimizer – optimizes handling of consumables (needs review for details).
• BadOptimizations – experimental tweaks to squeeze out extra performance.
• Bedrodium – performance and compatibility tweaks inspired by Bedrock Edition.
• Client Side Noteblocks – optimizes client-side note block sounds for smoother performance.
• Concurrent Chunk Management Engine (C2ME) – multithreaded chunk generation and management.
• Crash Assistant – prevents and mitigates crashes by handling them gracefully.
• Debugify – improves network and client debugging for better performance diagnostics.
• Dynamic FPS – reduces resource usage when Minecraft is in the background.
• FerriteCore – reduces memory usage from block and model data.
• FastBoot – speeds up Minecraft startup times.
• Fast Items – optimizes item rendering/handling for smoother gameplay.
• GPU Booster – optimizes GPU performance in rendering tasks.
• Hero's Anchor Optimizer – optimizes respawn anchor behavior (needs review).
• ImmediatelyFast – optimizes immediate mode rendering for higher FPS.
• Lithium – optimizes entity and block ticking performance.
• ModernFix – large set of performance optimizations and bugfixes.
• MultiLoader Particle Blocker – blocks unneeded particles across loaders.
• Noisium – optimizes world noise generation for smoother chunk loading.
• Palladium – improves multithreaded performance and system resource handling.
• Reflex AntiLag – reduces common sources of client/server lag (needs review).
• Structure Layout Optimizer – optimizes structure layout generation for faster worldgen.
• Super Fast Math – replaces math calculations with faster alternatives.
• ThreadTweak – optimizes threading behavior for better performance.
• Vertigo – modern performance optimizations for entity and block updates.

🌍 World & Chunk Management

• Better Biome Reblend – improves biome color blending for smoother visuals.
• Better Grassify – optimizes grass rendering for smoother visuals.
• Better Beds – optimizes bed rendering for performance.
• Block Entity Render Distance – reduces block entity rendering range for performance.
• Chunky – world pre-generator to remove lag spikes when exploring.
• Clumps – merges XP orbs into single entities to reduce entity lag.
• Cull Leaves – hides unseen leaf blocks for big FPS boosts.
• Entity Culling – prevents rendering of entities not visible to the camera.
• Entity View Distance – adjusts entity render distances for performance.
• Fast Item Frames – optimizes item frames for smoother gameplay.
• FastQuit – lets you return to the title screen instantly while worlds save in the background.
• Idle Tweaks – reduces resource usage when the game is idle.
• Let Me Despawn – allows items and entities to despawn faster to reduce entity lag.
• Marlow's Crystal Optimizer – optimizes crystal entity rendering for PVP.
• Model Gap Fix – fixes rendering gaps in models for performance and visuals.
• More Culling – additional entity and block culling for FPS gains.
• Screenshot Compression – compresses screenshots to save space and improve performance.
• Smoke Suppression – disables or reduces campfire smoke particles for performance.
• Tnt Limiter – prevents TNT explosions from lagging or crashing servers.
• Too Many Entities – reduces lag from excessive mobs/entities.
• Very Many Players (VMP) – optimizes servers to handle extremely large player counts.

🎨 Rendering & Visuals

• Continuity – adds connected textures with performance-friendly rendering.
• Cull Particle – disables or culls unnecessary particles.
• Enhanced Block Entities – replaces vanilla block entities with performance-optimized ones.
• Exordium – reduces lag from rendering the GUI by optimizing rendering layers.
• Gamma Utils – lets you tweak brightness and gamma beyond vanilla limits.
• Gpu memory leak fix mod – prevents common GPU memory leaks.
• Iris Shaders – modern shader loader with optimization focus.
• Ksyxis – improves resource loading by optimizing how assets are handled.
• Noxesium – optimizes rendering of particles and GUI elements.
• No Update Reloaded – optimizes resource reload behavior (needs review).
• OptiGUI – optimizes GUI rendering and reduces stutter.
• Puzzle – custom resource pack features without performance loss.
• Resourcify – improves resource loading performance.
• ResourcePackCached – caches resource packs locally for faster loading.
• ScalableLux – dynamic lighting engine optimized for performance.
• Skip Transitions – removes/optimizes GUI transitions for smoother performance.
• Sodium – massive FPS boost via rendering engine overhaul.
• Sodium Extra – adds extra settings and options for Sodium.
• Sodium Extras – alternate/extended Sodium addon (verify overlap with Sodium Extra).
• Sodium Options API – library for UI options related to Sodium.
• Sodium/Embeddium Device Check – checks for device compatibility and optimizes Sodium settings.

🌐 Networking & Connection

• Audio Engine Tweaks – optimizes sound engine performance.
• FIX MY PINGGGGG – reduces network latency with optimized handling.
• kennytvs-epic-force-close-loading-screen-mod-for-fabric – instantly close loading screens without waiting.
• Krypton – optimizes the Minecraft networking stack for servers and clients.
• KryptonFNP Patcher – fixes Krypton's "frozen network pipeline" bug.
• Packet Fixer – fixes and optimizes packet handling to reduce lag.
• Particle Core – optimizes particle rendering and handling.
• Remove Reloading Screen – removes or optimizes reloading screens for faster startup.
• Save My Shaky Network – stabilizes poor network connections for smoother multiplayer.
• ServerAddressSpaceFix – fixes server memory address handling issues.
• Server Pinger Fixer – fixes incorrect or slow server ping reporting.
• Server Resourcepack Checker – ensures resource packs load correctly from servers.
• XXL Packets – improves handling of large packets for stability.

🖥️ Interface & Utilities

• Improved Crash Reports – generates more informative crash reports.
• Language Reload – speeds up language switching and resource reloads.
• LibJF – common modding framework library.
• Load Support – ensures compatibility between performance mods on startup.
• Mod Menu – adds a clean UI for managing mods.
• Puzzle Lib – required base for Puzzle/Resourcify/Continuity.
• Reese's Sodium Options – improved UI for Sodium's settings.
• TextPlaceholder API – placeholder system for configs/UIs.
• Zoomify – adds a smooth performance-friendly zoom feature.

📚 Libraries / Dependencies / APIs

• Almanac – required by Load Support.
• Architectury API – required by cross-loader mods (e.g., Bedrodium).
• Cloth Config API – required by Enhanced Block Entities, Exordium, etc.
• Collective – required by Tnt Limiter, Too Many Entities.
• Cupboard – required by Resourcify.
• Fabric API – required by almost all mods in the pack.
• Fabric Language Kotlin – required by Ksyxis, Iris Shaders (optional), Uuid mods.
• Forge Config API Port – required by Smoke Suppression, Very Many Players.
• Fzzy Config – required by Gamma Utils, Zoomify.
• LibJF – required by Improved Crash Reports, Hero's Anchor Optimizer.
• MidnightLib – required by Cull Leaves, Dynamic FPS, Ksyxis, Zoomify.
• Puzzle Lib – required by Continuity, Puzzle, Resourcify.
• Resource Config API – required by Structure Layout Optimizer, Resourceful Config.
• Resourceful Config – required by Structure Layout Optimizer.
• Sodium Options API – required by Reese's Sodium Options, Sodium Extra.
• ToadLib – required by Vertigo.
• YetAnotherConfigLib (YACL) – required by Sodium Extra, Sodium Extras.

Modpack Version 1.21.7-2.0.3

Highest FPS: 264

Memory Used: 8G

CPU: Intel(R) Core(TM) i7-8565U

GPU: NVIDIA Geforce MX250

Java: Java 21

Launcher: X Minecraft Launcher (XMCL)

Disk Type: SSD

JVM Arguments Used:

-Xmx8G -Xms4G -XX:+UseG1GC -XX:+UnlockExperimentalVMOptions -XX:G1NewSizePercent=30 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=45 -XX:G1HeapRegionSize=32M

Modpack Version 1.21.1-3.0.0

Highest FPS 221

Memory Used 8G

CPU: Intel(R) Core(TM) i7-8565U

GPU: NVIDIA Geforce MX250

Java Java 21

Launcher: X Minecraft Launcher (XMCL)

Disk Type: SSD

JVM Arguments Used:

-Xmx8G -Xms4G -XX:+UseG1GC -XX:+UnlockExperimentalVMOptions -XX:G1NewSizePercent=30 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=45 -XX:G1HeapRegionSize=32M

Modpack Version 1.21.4-2.0.3

Highest FPS: 202

Memory Used 8G

CPU: Intel(R) Core(TM) i7-8565U

GPU: NVIDIA Geforce MX250

Java Java 21

Launcher: X Minecraft Launcher (XMCL)

Disk Type: SSD

JVM Arguments Used:

-Xmx8G -Xms4G -XX:+UseG1GC -XX:+UnlockExperimentalVMOptions -XX:G1NewSizePercent=30 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=45 -XX:G1HeapRegionSize=32M

Modpack Version 1.21-3.1.0

Highest FPS 269

Memory Used 8G

CPU: Intel(R) Core(TM) i7-8565U

GPU: NVIDIA Geforce MX250

Java Java 21

Launcher: Modrinth

Disk Type: SSD

JVM Arguments Used:

-Xmx8G -Xms4G -XX:+UseG1GC -XX:+UnlockExperimentalVMOptions -XX:G1NewSizePercent=30 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=45 -XX:G1HeapRegionSize=32M

Modpack Version 1.21-2.0.3

Highest FPS 271

Memory Used 8G

CPU: Intel(R) Core(TM) i7-8565U

GPU: NVIDIA Geforce MX250

Java Java 21

Launcher: X Minecraft Launcher (XMCL)

Disk Type: SSD

JVM Arguments Used:

-Xmx8G -Xms4G -XX:+UseG1GC -XX:+UnlockExperimentalVMOptions -XX:G1NewSizePercent=30 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=45 -XX:G1HeapRegionSize=32M