Minecraft mod (for FabricMC). Mod on modrith: https://modrinth.com/mod/bedrodium
Requires Sodium.
Small optimization by removing the invisible sides of the bedrock ( мore precisely, all the lower polygons of the chunk are removed)
I do not guarantee that this modification will work well.
In theory, this will help players on really weak computers, I hope for feedback if it helped them.