Fast Workbench Mod (1.20.1, 1.19.2) does a couple of things relating to the vanilla workbench so that it runs faster and causes less network traffic.
Specifically, it caches the last recipe used and checks this recipe first before re-scanning the entire registry. This makes shift-click crafting operate much faster than before. It also lowers network traffic by sending a packet only when needed instead of whenever a slot in changed in the crafting grid.
The mod has a third function, which disables the recipe books that are part of the players, setting them to versions that do not do anything. This further reduces network traffic that was being wasted on a feature people did not even use.
However, these changes only apply in a vanilla workbench. Mod crafting stations should be caching recipes for performance reasons on their own, and this will not fix issues in the 2×2 player crafting inventory.
The no-op version of the recipe book invalidates the recipe unlocked trigger for advancements.
Recommend that you should install Just Enough Items (for mods using Forge) or Roughly Enough Items (for mods using Fabric) to view the full recipes included in this mod
How to install:
How To Download & Install Mods with Minecraft Forge
How To Download & Install Fabric Mods