Understanding the Binary Format in WebAssembly is like unraveling the structure of a complex piece of software architecture. It's the blueprint that enables the compact size, swift download, and efficient execution of WebAssembly.

The binary format is a dense representation of module structure and function bodies, designed to be compact in size and quick to decode. It consists of sequences of operations, or opcodes, supplemented with immediate values where required. These sequences are designed to mirror the stack machine structure directly, providing a close assembly-like format. When mapped against high-level code, these sequences provide low-level detail.

Consider an example where you design and implement a marketing algorithm in C++ to optimize ad placements on a webpage. When you compile your C++ code into WebAssembly, the bulk of it gets translated into binary format. This binary format code is then what the WebAssembly runtime executes, delivering the intended functionality remotely faster than traditional JavaScript.

For our web development professional who's interested in product design, remember the time you intended to make your web application run faster, so that your marketing campaigns run smoothly without any delay? The binary format's unique structure provides an impressive speed which can greatly enhance the performance of your ad optimization platform.

Let's take a brief look at C++ code and its corresponding WebAssembly binary format code.

xxxxxxxxxx

#include <iostream>

using namespace std;

int main() {

  int x = 10;

  int y = 20;

  int sum = x + y;

  cout << "The sum is: " << sum;

  return 0;

}

xxxxxxxxxx

20 00

41 0A

6A

20 01

41 14

6A