http://www.minecraftforum.net/forums/mapping-and-modding/minecraft-mods/1272953-optifine-hd-h3-fps-boost-hd-textures-shaders-and?page=2409#c50041 (http://www.minecraftforum.net/forums/mapping-and-modding/minecraft-mods/1272953-optifine-hd-h3-fps-boost-hd-textures-shaders-and?page=2409#c50041)
This is a pre-release for Optifine 1.9 so there will be some bugs and it does crash every now and again.