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    <title>Elijah's Digital Garden</title>
    <updated>2026-06-15T05:47:29.276Z</updated>
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    <author>
        <name>Elijah</name>
        <email>elijah@0xeljh.com</email>
        <uri>https://0xeljh.com</uri>
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    <subtitle>Notes, derivations, and projects — a digital garden tended over time.</subtitle>
    <rights>© Elijah</rights>
    <entry>
        <title type="html"><![CDATA[LR Scheduling and SGD]]></title>
        <id>https://0xeljh.com/posts/classic-sgd</id>
        <link href="https://0xeljh.com/posts/classic-sgd"/>
        <updated>2026-02-25T20:13:37.000Z</updated>
        <summary type="html"><![CDATA[My first encounter with training internals]]></summary>
        <category label="deep learning"/>
        <category label="math"/>
        <category label="pytorch"/>
    </entry>
    <entry>
        <title type="html"><![CDATA[Derivation: Cross-Entropy]]></title>
        <id>https://0xeljh.com/posts/cross-entropy</id>
        <link href="https://0xeljh.com/posts/cross-entropy"/>
        <updated>2026-02-25T20:13:37.000Z</updated>
        <summary type="html"><![CDATA[Derivation of cross-entropy loss from first principles: information theory, entropy, and modelling probability distributions]]></summary>
        <category label="deep learning"/>
        <category label="math"/>
    </entry>
    <entry>
        <title type="html"><![CDATA[Saving VRAM with Apple's Cut Cross Entropy]]></title>
        <id>https://0xeljh.com/posts/cut-cross-entropy</id>
        <link href="https://0xeljh.com/posts/cut-cross-entropy"/>
        <updated>2026-02-25T20:13:37.000Z</updated>
        <summary type="html"><![CDATA[A comprehensive breakdown of apple's memory-efficient cut cross entropy implementation]]></summary>
        <category label="deep learning"/>
        <category label="math"/>
        <category label="triton"/>
    </entry>
    <entry>
        <title type="html"><![CDATA[Low-Friction Time Accounting]]></title>
        <id>https://0xeljh.com/posts/time-accounting</id>
        <link href="https://0xeljh.com/posts/time-accounting"/>
        <updated>2026-02-25T20:13:37.000Z</updated>
        <summary type="html"><![CDATA[Vibecoding a personal system]]></summary>
        <category label="life"/>
        <category label="analytics"/>
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