extreme lag in single 9 chunk runder distance and up. 1.7.4+

extreme Block and Sun lag in single player when at a render distance of 9 chunk or above. seen reports but nothing being done about it.

the console says the server cant keep up, did the system time change but not on a server im in single player.. been bugging my and seen other reports of the same thing

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[15:46:00 INFO]: Looking for old natives & assets to clean up...
[15:46:01 INFO]: Client> [15:46:01] [main/INFO]: Setting user: Redo6565
[15:46:01 INFO]: Client> [15:46:01] [main/INFO]: (Session ID is token:505dac7cd419461b95529689e3b633d3:f27e0972614d4d4abe5c5d84afdbd9d7)
[15:46:02 INFO]: Client> [15:46:02] [Client thread/INFO]: LWJGL Version: 2.9.1
[15:46:03 INFO]: Client> [15:46:03] [Client thread/INFO]: Reloading ResourceManager: Default, Faithful 32x32 S.zip
[15:46:03 INFO]: Client>
[15:46:03 INFO]: Client> Starting up SoundSystem...
[15:46:04 INFO]: Client> Initializing LWJGL OpenAL
[15:46:04 INFO]: Client> (The LWJGL binding of OpenAL. For more information, see http://www.lwjgl.org)
[15:46:04 INFO]: Client> OpenAL initialized.
[15:46:04 INFO]: Client>
[15:46:04 INFO]: Client> [15:46:04] [Sound Library Loader/INFO]: Sound engine started
[15:46:07 INFO]: Client> [15:46:07] [Client thread/INFO]: Created: 1024x1024 textures/blocks-atlas
[15:46:07 INFO]: Client> [15:46:07] [Client thread/INFO]: Created: 512x512 textures/items-atlas
[15:46:09 INFO]: Client> [15:46:09] [MCO Availability Checker #1/ERROR]: Couldn't connect to Realms
[15:46:09 INFO]: Client> col:
[15:46:09 INFO]: Client> at cnq.a(SourceFile:251) ~[14w21b.jar:?]
[15:46:09 INFO]: Client> at cnq.b(SourceFile:86) ~[14w21b.jar:?]
[15:46:09 INFO]: Client> at bof.run(SourceFile:206) [14w21b.jar:?]
[15:46:20 INFO]: Client> [15:46:20] [Server thread/INFO]: Starting integrated minecraft server version 14w21b
[15:46:20 INFO]: Client> [15:46:20] [Server thread/INFO]: Generating keypair
[15:46:20 INFO]: Client> [15:46:20] [Server thread/INFO]: Preparing start region for level 0
[15:46:21 INFO]: Client> [15:46:21] [Server thread/INFO]: Preparing spawn area: 39%
[15:46:22 INFO]: Client> [15:46:22] [Server thread/INFO]: Preparing spawn area: 86%
[15:46:23 INFO]: Client> [15:46:23] [Server thread/INFO]: Changing view distance to 12, from 10
[15:46:23 INFO]: Client> [15:46:23] [Server thread/INFO]: Redo6565[local:E:e81e2d4a] logged in with entity id 457 at (322.5, 88.0, 251.5)
[15:46:23 INFO]: Client> [15:46:23] [Server thread/INFO]: Redo6565 joined the game
[15:46:29 INFO]: Client> [15:46:29] [Server thread/WARN]: Can't keep up! Did the system time change, or is the server overloaded? Running 6350ms behind, skipping 127 tick(s)
[15:47:01 INFO]: Client> [15:47:01] [Server thread/INFO]: Saving and pausing game...
[15:47:01 INFO]: Client> [15:47:01] [Server thread/INFO]: Saving chunks for level 'New World'/Overworld
[15:47:01 INFO]: Client> [15:47:01] [Server thread/INFO]: Saving chunks for level 'New World'/Nether
[15:47:01 INFO]: Client> [15:47:01] [Server thread/INFO]: Saving chunks for level 'New World'/The End
[15:47:15 INFO]: Client> [15:47:15] [Server thread/WARN]: Can't keep up! Did the system time change, or is the server overloaded? Running 5242ms behind, skipping 104 tick(s)
[15:47:27 INFO]: Client> [15:47:27] [Server thread/INFO]: Saving and pausing game...
[15:47:27 INFO]: Client> [15:47:27] [Server thread/INFO]: Saving chunks for level 'New World'/Overworld
[15:47:27 INFO]: Client> [15:47:27] [Server thread/INFO]: Saving chunks for level 'New World'/Nether
[15:47:27 INFO]: Client> [15:47:27] [Server thread/INFO]: Saving chunks for level 'New World'/The End