This is a heavily interactive web application, and JavaScript is required. Simple HTML interfaces are possible, but that is not what this is.
Post
Ken Shirriff
righto.com
did:plc:svh6dgjnpkdl4dhxahj4xvkv
To multiply by 3 in binary, you can add the number to 2 times the number (a quick shift). Unfortunately, adding two 64-bit numbers is slow because of carries. (Just like 999999+1: you need to keep doing carry-the-one.)
To make this addition fast, the Pentium uses complicated adder circuitry. 4/N
2025-03-02T18:29:15.713Z