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	<title>Kevin Guthrie &#8211; Noise</title>
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		<title>Performance measurements… and the people who love them</title>
		<link>https://noise.getoto.net/2025/05/20/performance-measurements-and-the-people-who-love-them/</link>
		
		<dc:creator><![CDATA[Kevin Guthrie]]></dc:creator>
		<pubDate>Tue, 20 May 2025 13:00:00 +0000</pubDate>
				<category><![CDATA[Internet Performance]]></category>
		<category><![CDATA[Latency]]></category>
		<category><![CDATA[observability]]></category>
		<category><![CDATA[open source]]></category>
		<category><![CDATA[TTFB]]></category>
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					<description><![CDATA[Developers have a gut-felt understanding for performance, but that intuition breaks down when systems reach Cloudflare’s scale.]]></description>
		
		
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		<title>A good day to trie-hard: saving compute 1% at a time</title>
		<link>https://noise.getoto.net/2024/09/10/a-good-day-to-trie-hard-saving-compute-1-at-a-time/</link>
		
		<dc:creator><![CDATA[Kevin Guthrie]]></dc:creator>
		<pubDate>Tue, 10 Sep 2024 14:00:00 +0000</pubDate>
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					<description><![CDATA[Pingora handles 35M+ requests per second, so saving a few microseconds per request can translate to thousands of dollars saved on computing costs. In this post, we share how we freed up over 500 CPU cores by optimizing one function and announce trie-hard, the open source crate that we created to do it.]]></description>
		
		
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