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<div align="center"> <img src="https://raw.githubusercontent.com/RaphiMC/ImmediatelyFast/1.19/common/src/main/resources/assets/immediatelyfast/icon.png" width="150"> <h1>ImmediatelyFast</h1> <a href="https://fabricmc.net"><img src="https://img.shields.io/badge/Mod%20Loader-Fabric-lightyellow?logo=data:image/png;base64,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"></a> <a href="https://files.minecraftforge.net/net/minecraftforge/forge"><img src="https://img.shields.io/badge/Mod%20Loader-Forge-lightyellow?logo=data:image/png;base64,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"></a> <img src="https://img.shields.io/badge/Enviroment-Client-purple"> <a href="https://discord.gg/dCzT9XHEWu"><img src="https://img.shields.io/discord/927329821405642772?color=0098DB&label=Discord&logo=discord&logoColor=0098DB"></a> <br />

<a href="https://modrinth.com/mod/immediatelyfast"><img src="https://img.shields.io/badge/dynamic/json?color=158000&label=downloads&prefix=+%20&query=downloads&url=https://api.modrinth.com/v2/project/5ZwdcRci&logo=modrinth"></a> <a href="https://curseforge.com/minecraft/mc-mods/immediatelyfast"><img src="https://cf.way2muchnoise.eu/full_686911_downloads.svg"></a>

<p>ImmediatelyFast is an open source Minecraft mod which improves the immediate mode rendering performance of the client. <br />It is designed to be lightweight and compatible with other mods.</p> </div>

Optimizations

ImmediatelyFast generally optimizes all immediate mode rendering by using a custom buffer implementation which batches draw calls and uploads data to the GPU in a more efficient way.
The following parts of the immediate mode rendering code are optimized:

It also features targeted optimizations where vanilla rendering code is being changed in order to run faster.
The following parts of the rendering code are optimized with a more efficient implementation:

Performance

Here are some performance comparisons of areas the mod optimizes particularly well:

If other mods are listed in the table this means that this mod also optimizes that part of the game.

Test Hardware: Ryzen 5 1600, 32GB DDR4, GTX 1060

FPS Numbers were taken from external tools (in this case MSI Afterburner) and averaged over a couple of seconds.
If you decide to test this yourself keep in mind that ImmediatelyFast can only improve FPS in a scenario where your CPU is the bottleneck (Most likely the case if your GPU isn't ancient or you use very heavy shaders). Slower CPUs will benefit more from this mod than really fast CPUs.

Entity Rendering

Generally FPS should be around 2x higher on busy servers. [Tested using IF 1.1.7 on 1.19.3]

Tested on a spigot server with 1000 cows in a 3x3 box on screen.

Other modsWithout ImmediatelyFastWith ImmediatelyFastImprovement
None16 FPS60 FPS3.75x
Sodium21 FPS82 FPS3.90x
Iris and Sodium60 FPS76 FPS1.27x

Map Rendering

Generally FPS should be around 5x higher when there are many maps on screen. [Tested using IF 1.1.1 on 1.19.3]

Tested on a fabric server with the Image2Map mod and around 930 maps on screen.

Other modsWithout ImmediatelyFastWith ImmediatelyFastImprovement
None50 FPS310 FPS6.20x
Sodium47 FPS320 FPS6.81x

HUD Rendering

Generally FPS should be around 40% higher in almost all scenarios. [Tested using IF 1.1.7 on 1.19.3]

Tested on a spigot server with different HUD elements on screen (Scoreboard, Potion effect overlay, Bossbars, Filled Chat, Extra hearts, Full Hotbar).

Other modsWithout ImmediatelyFastWith ImmediatelyFastImprovement
None250 FPS380 FPS1.52x
Sodium335 FPS630 FPS1.88x
Exordium and Sodium740 FPS840 FPS1.14x

Text Rendering

Generally FPS should be around 2x higher when there are many signs or holograms around you. [Tested using IF 1.1.7 on 1.19.3]

Tested on a spigot server with 200 signs (Filled with text) on screen.

Other modsWithout ImmediatelyFastWith ImmediatelyFastImprovement
None70 FPS125 FPS1.79x
Sodium110 FPS300 FPS2.73x

Block-Entity Rendering

Generally FPS should be around 20% higher when there are many block entities around you. [Tested using IF 1.1.7 on 1.19.3]

Tested on a spigot server with 400 chests on screen.

Other modsWithout ImmediatelyFastWith ImmediatelyFastImprovement
None170 FPS205 FPS1.20x
Sodium315 FPS410 FPS1.30x

Compatibility

ImmediatelyFast is structured to interfere with mods as little as possible. It should work fine with most if not all mods and modpacks.

Known incompatibilities:

If you encounter any issues, please report them on the Issue Tracker.

Developer API

You can read the API docs here.

Partners

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Credits to sydist for making the logo!