> Tcl fully parses lines before deciding that they should be executed (in the case of a command) or ignored (in the case of a comment). I don't know your measu

> Tcl fully parses lines before deciding that they should be executed (in the case of a command) or ignored (in the case of a comment). I don't know your measurements or use case but putting code in a [proc] will engage the bytecode compiler which might help you out?