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    <h2>Here's the final result:</h2> <p>I changed the format string in a benchmark trial to something that should favor my code a little more:</p> <blockquote> <p>The quick brown {0} jumped over the lazy {1}.</p> </blockquote> <p>As I expected, this fares much better compared to the original; 2 million iterations in 5.3 seconds for this code vs 6.1 seconds for <code>String.Format</code>. This is an undeniable improvement. You might even be tempted to start using this as a no-brainer replacement for many <code>String.Format</code> situations. After all, you'll do no worse and you might even get a small performance boost: as much 14%, and that's nothing to sneeze at.</p> <p>Except that it is. Keep in mind, we're still talking less than half a second difference for 2 <em>million</em> attempts, under a situation specifically designed to favor this code. Not even busy ASP.Net pages are likely to create that much load, unless you're lucky enough to work on a Top100 web site. </p> <p>Most of all, this omits one important alternative: you can just create a new <code>StringBuilder</code> each time and manually handle your own formatting using raw <code>Append()</code> calls. With that technique my benchmark finished in <em>only 3.9 seconds.</em> That's a much greater improvement. </p> <p>So in the end, if you're in a situation where the performance matters there is a better alternative available. And if it doesn't matter, you probably want to stick with the clarity of using the simple built-in method.</p>
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