1012 lines
45 KiB
HTML
1012 lines
45 KiB
HTML
<!DOCTYPE html>
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<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"><head>
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<meta charset="utf-8">
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<meta name="generator" content="quarto-1.7.31">
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<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes">
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<meta name="description" content="Frequently asked questions">
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<title>FAQ – Axolotl</title>
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<style>
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code{white-space: pre-wrap;}
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span.smallcaps{font-variant: small-caps;}
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div.columns{display: flex; gap: min(4vw, 1.5em);}
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div.column{flex: auto; overflow-x: auto;}
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ul.task-list{list-style: none;}
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width: 0.8em;
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vertical-align: middle;
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}
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/* CSS for syntax highlighting */
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html { -webkit-text-size-adjust: 100%; }
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pre > code.sourceCode { white-space: pre; position: relative; }
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pre.sourceCode { margin: 0; }
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div.sourceCode { overflow: auto; }
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pre > code.sourceCode { white-space: pre-wrap; }
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}
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pre.numberSource code
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{ counter-reset: source-line 0; }
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pre.numberSource code > span
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{ content: counter(source-line);
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-webkit-touch-callout: none; -webkit-user-select: none;
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-khtml-user-select: none; -moz-user-select: none;
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-ms-user-select: none; user-select: none;
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padding: 0 4px; width: 4em;
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}
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pre.numberSource { margin-left: 3em; padding-left: 4px; }
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div.sourceCode
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{ }
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@media screen {
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pre > code.sourceCode > span > a:first-child::before { text-decoration: underline; }
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}
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</style>
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<script src="../site_libs/quarto-nav/quarto-nav.js"></script>
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<script src="../site_libs/clipboard/clipboard.min.js"></script>
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<script src="../site_libs/quarto-search/autocomplete.umd.js"></script>
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<script src="../site_libs/quarto-search/fuse.min.js"></script>
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<script src="../site_libs/quarto-search/quarto-search.js"></script>
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<meta name="quarto:offset" content="../">
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<link href="../favicon.jpg" rel="icon" type="image/jpeg">
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<script src="../site_libs/quarto-html/quarto.js" type="module"></script>
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<script src="../site_libs/quarto-html/tabsets/tabsets.js" type="module"></script>
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<script src="../site_libs/quarto-html/popper.min.js"></script>
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<script src="../site_libs/quarto-html/tippy.umd.min.js"></script>
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<script src="../site_libs/quarto-html/anchor.min.js"></script>
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<link href="../site_libs/quarto-html/tippy.css" rel="stylesheet">
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<link href="../site_libs/quarto-html/quarto-syntax-highlighting-dark-8ef56b68f8fa1e9d2ba328e99e439f80.css" rel="stylesheet" id="quarto-text-highlighting-styles">
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<script src="../site_libs/bootstrap/bootstrap.min.js"></script>
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<link href="../site_libs/bootstrap/bootstrap-icons.css" rel="stylesheet">
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<link href="../site_libs/bootstrap/bootstrap-2288ecdcbf81d2ab6432743cedd71d9a.min.css" rel="stylesheet" append-hash="true" id="quarto-bootstrap" data-mode="dark">
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<script id="quarto-search-options" type="application/json">{
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"location": "navbar",
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"collapse-after": 3,
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"limit": 50,
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"f",
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"/",
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"s"
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"show-item-context": false,
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"language": {
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"search-no-results-text": "No results",
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"search-matching-documents-text": "matching documents",
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"search-copy-link-title": "Copy link to search",
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"search-hide-matches-text": "Hide additional matches",
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"search-more-match-text": "more match in this document",
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"search-more-matches-text": "more matches in this document",
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"search-clear-button-title": "Clear",
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"search-text-placeholder": "",
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"search-detached-cancel-button-title": "Cancel",
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"search-submit-button-title": "Submit",
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"search-label": "Search"
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}
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}</script>
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<link rel="stylesheet" href="../styles.css">
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</head>
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<body class="nav-sidebar docked nav-fixed quarto-light">
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<div id="quarto-search-results"></div>
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<header id="quarto-header" class="headroom fixed-top">
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<nav class="navbar navbar-expand " data-bs-theme="dark">
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<div class="navbar-container container-fluid">
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<div class="navbar-brand-container mx-auto">
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<a href="../index.html" class="navbar-brand navbar-brand-logo">
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<img src="../image/axolotl_logo_digital_white.svg" alt="" class="navbar-logo">
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</a>
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</div>
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<div class="quarto-navbar-tools tools-wide tools-end">
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<a href="https://twitter.com/axolotl_ai" title="" class="quarto-navigation-tool px-1" aria-label=""><i class="bi bi-twitter"></i></a>
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<a href="https://github.com/axolotl-ai-cloud/axolotl/" title="" class="quarto-navigation-tool px-1" aria-label=""><i class="bi bi-github"></i></a>
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<a href="https://discord.gg/7m9sfhzaf3" title="" class="quarto-navigation-tool px-1" aria-label=""><i class="bi bi-discord"></i></a>
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</div>
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<div id="quarto-search" class="" title="Search"></div>
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</div> <!-- /container-fluid -->
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</nav>
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<nav class="quarto-secondary-nav">
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<div class="container-fluid d-flex">
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<button type="button" class="quarto-btn-toggle btn" data-bs-toggle="collapse" role="button" data-bs-target=".quarto-sidebar-collapse-item" aria-controls="quarto-sidebar" aria-expanded="false" aria-label="Toggle sidebar navigation" onclick="if (window.quartoToggleHeadroom) { window.quartoToggleHeadroom(); }">
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<i class="bi bi-layout-text-sidebar-reverse"></i>
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</button>
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<nav class="quarto-page-breadcrumbs" aria-label="breadcrumb"><ol class="breadcrumb"><li class="breadcrumb-item"><a href="../docs/faq.html">Troubleshooting</a></li><li class="breadcrumb-item"><a href="../docs/faq.html">FAQ</a></li></ol></nav>
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<a class="flex-grow-1" role="navigation" data-bs-toggle="collapse" data-bs-target=".quarto-sidebar-collapse-item" aria-controls="quarto-sidebar" aria-expanded="false" aria-label="Toggle sidebar navigation" onclick="if (window.quartoToggleHeadroom) { window.quartoToggleHeadroom(); }">
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</a>
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</div>
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</nav>
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</header>
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<!-- content -->
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<div id="quarto-content" class="quarto-container page-columns page-rows-contents page-layout-article page-navbar">
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<!-- sidebar -->
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<nav id="quarto-sidebar" class="sidebar collapse collapse-horizontal quarto-sidebar-collapse-item sidebar-navigation docked overflow-auto">
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<div class="sidebar-menu-container">
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<ul class="list-unstyled mt-1">
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<li class="sidebar-item">
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<div class="sidebar-item-container">
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<a href="../index.html" class="sidebar-item-text sidebar-link">
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<span class="menu-text">Home</span></a>
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</div>
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</li>
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<li class="sidebar-item sidebar-item-section">
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<div class="sidebar-item-container">
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<a class="sidebar-item-text sidebar-link text-start" data-bs-toggle="collapse" data-bs-target="#quarto-sidebar-section-1" role="navigation" aria-expanded="true">
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<span class="menu-text">Getting Started</span></a>
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<a class="sidebar-item-toggle text-start" data-bs-toggle="collapse" data-bs-target="#quarto-sidebar-section-1" role="navigation" aria-expanded="true" aria-label="Toggle section">
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<i class="bi bi-chevron-right ms-2"></i>
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</a>
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</div>
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<ul id="quarto-sidebar-section-1" class="collapse list-unstyled sidebar-section depth1 show">
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<li class="sidebar-item">
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<div class="sidebar-item-container">
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<a href="../docs/getting-started.html" class="sidebar-item-text sidebar-link">
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<span class="menu-text">Quickstart</span></a>
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</div>
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</li>
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<li class="sidebar-item">
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<div class="sidebar-item-container">
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<a href="../docs/installation.html" class="sidebar-item-text sidebar-link">
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<span class="menu-text">Installation</span></a>
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</div>
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</li>
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<li class="sidebar-item">
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<div class="sidebar-item-container">
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<a href="../docs/inference.html" class="sidebar-item-text sidebar-link">
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<span class="menu-text">Inference and Merging</span></a>
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</div>
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<li class="sidebar-item">
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<div class="sidebar-item-container">
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<a href="../docs/cli.html" class="sidebar-item-text sidebar-link">
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<span class="menu-text">Command Line Interface (CLI)</span></a>
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</div>
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</li>
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<div class="sidebar-item-container">
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<a href="../docs/config.html" class="sidebar-item-text sidebar-link">
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<span class="menu-text">Config Reference</span></a>
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</div>
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<div class="sidebar-item-container">
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<a href="../docs/api" class="sidebar-item-text sidebar-link">
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<span class="menu-text">API Reference</span></a>
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</div>
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</ul>
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</li>
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<li class="sidebar-item sidebar-item-section">
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<div class="sidebar-item-container">
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<a href="../docs/dataset-formats/index.html" class="sidebar-item-text sidebar-link">
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<span class="menu-text">Dataset Formats</span></a>
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<div class="sidebar-item-container">
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<a href="../docs/dataset-formats/pretraining.html" class="sidebar-item-text sidebar-link">
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<span class="menu-text">Pre-training</span></a>
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<div class="sidebar-item-container">
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<a href="../docs/dataset-formats/inst_tune.html" class="sidebar-item-text sidebar-link">
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<span class="menu-text">Instruction Tuning</span></a>
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</div>
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<div class="sidebar-item-container">
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<a href="../docs/dataset-formats/conversation.html" class="sidebar-item-text sidebar-link">
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<span class="menu-text">Conversation</span></a>
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</div>
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</li>
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<div class="sidebar-item-container">
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<a href="../docs/dataset-formats/stepwise_supervised.html" class="sidebar-item-text sidebar-link">
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<span class="menu-text">Stepwise Supervised Format</span></a>
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<a href="../docs/dataset-formats/template_free.html" class="sidebar-item-text sidebar-link">
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<span class="menu-text">Template-Free</span></a>
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<a href="../docs/dataset-formats/tokenized.html" class="sidebar-item-text sidebar-link">
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<span class="menu-text">Custom Pre-Tokenized Dataset</span></a>
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<a href="../docs/docker.html" class="sidebar-item-text sidebar-link">
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<span class="menu-text">Docker</span></a>
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<span class="menu-text">Multi-GPU</span></a>
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<span class="menu-text">Multi Node</span></a>
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<span class="menu-text">Ray Train</span></a>
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<span class="menu-text">AMD GPUs on HPC Systems</span></a>
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<span class="menu-text">MultiModal / Vision Language Models (BETA)</span></a>
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<span class="menu-text">RLHF (Beta)</span></a>
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<span class="menu-text">Reward Modelling</span></a>
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<span class="menu-text">Learning Rate Groups</span></a>
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<span class="menu-text">LoRA Optimizations</span></a>
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<span class="menu-text">Dataset Loading</span></a>
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<a href="../docs/batch_vs_grad.html" class="sidebar-item-text sidebar-link">
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<span class="menu-text">Batch size vs Gradient accumulation</span></a>
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<span class="menu-text">Dataset Preprocessing</span></a>
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<span class="menu-text">Multipack (Sample Packing)</span></a>
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Frequently asked questions
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<h3 class="anchored" data-anchor-id="general">General</h3>
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<p><strong>Q: The trainer stopped and hasn’t progressed in several minutes.</strong></p>
|
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<blockquote class="blockquote">
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<p>A: Usually an issue with the GPUs communicating with each other. See the <a href="../docs/nccl.html">NCCL doc</a></p>
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</blockquote>
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<p><strong>Q: Exitcode -9</strong></p>
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<blockquote class="blockquote">
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<p>A: This usually happens when you run out of system RAM.</p>
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</blockquote>
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<p><strong>Q: Exitcode -7 while using deepspeed</strong></p>
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<blockquote class="blockquote">
|
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<p>A: Try upgrading deepspeed w: <code>pip install -U deepspeed</code></p>
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</blockquote>
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<p><strong>Q: AttributeError: ‘DummyOptim’ object has no attribute ‘step’</strong></p>
|
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<p><strong>Q: ModuleNotFoundError: No module named ‘mpi4py’ using single GPU with deepspeed</strong></p>
|
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<blockquote class="blockquote">
|
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<p>A: You may be using deepspeed with single gpu. Please remove the <code>deepspeed:</code> section in the yaml file or <code>--deepspeed</code> CLI flag.</p>
|
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</blockquote>
|
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<p><strong>Q: The codes is stuck on saving preprocessed datasets.</strong></p>
|
||
<blockquote class="blockquote">
|
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<p>A: This is usually an issue with the GPU. This can be resolved through setting the os environment variable <code>CUDA_VISIBLE_DEVICES=0</code>. If you are on runpod, this is usually a pod issue. Starting a new pod should take care of it.</p>
|
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</blockquote>
|
||
<p><strong>Q: Received mismatch error on merge adapters / loading adapters between torch.Size of checkpoint and model.</strong></p>
|
||
<blockquote class="blockquote">
|
||
<p>A: This is likely due to vocab size mismatch. By default, Axolotl expands the model’s embeddings if the tokenizer has more tokens than the model. Please use the <code>axolotl merge-lora</code> command to merge the adapters instead of using your own scripts.</p>
|
||
</blockquote>
|
||
<blockquote class="blockquote">
|
||
<p>On the other hand, if the model has more tokens than the tokenizer, Axolotl does not shrink the model’s embeddings unless <code>shrink_embeddings: true</code> is set in the config.</p>
|
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</blockquote>
|
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<p><strong>Q: How to call Axolotl via custom python scripts?</strong></p>
|
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<blockquote class="blockquote">
|
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<p>A: Since Axolotl is just Python, please see <code>src/axolotl/cli/main.py</code> on how each command is called.</p>
|
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</blockquote>
|
||
<p><strong>Q: How to know the value to use for <code>fsdp_transformer_layer_cls_to_wrap</code>?</strong></p>
|
||
<blockquote class="blockquote">
|
||
<p>A: This is the class name of the transformer layer to wrap with FSDP. For example, for <code>LlamaForCausalLM</code>, the value is <code>LlamaDecoderLayer</code>. To find this for a specific model, check the model’s <code>PreTrainedModel</code> definition and look for <code>_no_split_modules</code> variable in the <code>modeling_<model_name>.py</code> file within <code>transformers</code> library.</p>
|
||
</blockquote>
|
||
<p><strong>Q: ValueError: Asking to pad but the tokenizer does not have a padding token. Please select a token to use as pad_token</strong></p>
|
||
<blockquote class="blockquote">
|
||
<p>A: This is because the tokenizer does not have a padding token. Please add a padding token to the tokenizer via:</p>
|
||
</blockquote>
|
||
<blockquote class="blockquote">
|
||
<div class="sourceCode" id="cb1"><pre class="sourceCode yaml code-with-copy"><code class="sourceCode yaml"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="fu">special_tokens</span><span class="kw">:</span></span>
|
||
<span id="cb1-2"><a href="#cb1-2" aria-hidden="true" tabindex="-1"></a><span class="co"> # str. If you're not sure, set to same as `eos_token`.</span></span>
|
||
<span id="cb1-3"><a href="#cb1-3" aria-hidden="true" tabindex="-1"></a><span class="at"> </span><span class="fu">pad_token</span><span class="kw">:</span><span class="at"> </span><span class="st">"..."</span></span></code><button title="Copy to Clipboard" class="code-copy-button"><i class="bi"></i></button></pre></div>
|
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</blockquote>
|
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</section>
|
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<section id="chat-templates" class="level3">
|
||
<h3 class="anchored" data-anchor-id="chat-templates">Chat templates</h3>
|
||
<p><strong>Q: <code>jinja2.exceptions.UndefinedError: 'dict object' has no attribute 'content' / 'role' / ____</code></strong></p>
|
||
<blockquote class="blockquote">
|
||
<p>A: This means that the property mapping for the stated attribute does not exist when building <code>chat_template</code> prompt. For example, if <code>no attribute 'content'</code>, please check you have added the correct mapping for <code>content</code> under <code>message_property_mappings</code>.</p>
|
||
</blockquote>
|
||
<p><strong>Q: <code>Empty template generated for turn ___</code></strong></p>
|
||
<blockquote class="blockquote">
|
||
<p>A: The <code>content</code> is empty for that turn.</p>
|
||
</blockquote>
|
||
<p><strong>Q: <code>Could not find content start/end boundary for turn __</code></strong></p>
|
||
<blockquote class="blockquote">
|
||
<p>A: The specific turn’s start/end could not be detected. Please ensure you have set the <code>eos_token</code> following your <code>chat_template</code>. Otherwise, this could be a <code>chat_template</code> which doesn’t use proper boundaries for each turn (like system). On the rare occurrence, make sure your content is not <code>[[dummy_message]]</code>. Please let us know about this.</p>
|
||
</blockquote>
|
||
<p><strong>Q: <code>Content end boundary is before start boundary for turn ___</code></strong></p>
|
||
<blockquote class="blockquote">
|
||
<p>A: This is an edge case which should not occur. Please create an Issue if this happens.</p>
|
||
</blockquote>
|
||
<p><strong>Q: <code>Content end boundary is the same as start boundary for turn ___. This is likely an empty turn.</code></strong></p>
|
||
<blockquote class="blockquote">
|
||
<p>A: This is likely an empty turn.</p>
|
||
</blockquote>
|
||
<p><strong>Q: The EOS token is incorrectly being masked or not being masked / <code>EOS token __ not found in chat template</code>.</strong></p>
|
||
<blockquote class="blockquote">
|
||
<p>A: There can be two reasons:</p>
|
||
</blockquote>
|
||
<blockquote class="blockquote">
|
||
<ol type="1">
|
||
<li>This is because of the mismatch between <code>tokenizer.eos_token</code> and EOS token in template. Please make sure to set <code>eos_token:</code> under <code>special_tokens:</code> to the same EOS token as in template.</li>
|
||
</ol>
|
||
</blockquote>
|
||
<blockquote class="blockquote">
|
||
<ol start="2" type="1">
|
||
<li>The EOS token is not in the template. Please check if your template is correct. As an example, <code>phi_35</code> template does not use its dedicated EOS token <code><|endoftext|></code> at the end.</li>
|
||
</ol>
|
||
</blockquote>
|
||
<p><strong>Q: “<code>chat_template</code> choice is <code>tokenizer_default</code> but tokenizer’s <code>chat_template</code> is null. Please add a <code>chat_template</code> in tokenizer config”</strong></p>
|
||
<blockquote class="blockquote">
|
||
<p>A: This is because the tokenizer does not have a chat template. Please add a chat template in the tokenizer config. See <a href="../docs/dataset-formats/conversation.html#chat-template">chat_template</a> for more details.</p>
|
||
</blockquote>
|
||
<p><strong>Q: The EOT token(s) are incorrectly being masked or not being masked / <code>EOT token __ not found in chat template</code>.</strong></p>
|
||
<blockquote class="blockquote">
|
||
<p>A: There can be two reasons:</p>
|
||
</blockquote>
|
||
<blockquote class="blockquote">
|
||
<ol type="1">
|
||
<li>The EOT token is different from the EOS token and was not specified under <code>eot_tokens:</code>. Please set <code>eot_tokens:</code> to the same EOT token(s) as in template.</li>
|
||
</ol>
|
||
</blockquote>
|
||
<blockquote class="blockquote">
|
||
<ol start="2" type="1">
|
||
<li>There is more than one EOT token per turn in the template. Please raise an issue with examples as we recognize this as an edge case.</li>
|
||
</ol>
|
||
</blockquote>
|
||
<p><strong>Q: <code>EOT token encoding failed. Please check if the token is valid and can be encoded.</code></strong></p>
|
||
<blockquote class="blockquote">
|
||
<p>A: There could be some issue with the tokenizer or unicode encoding. Please raise an issue with examples with the EOT token & tokenizer causing the issue.</p>
|
||
</blockquote>
|
||
<p><strong>Q: <code>EOT token __ is encoded as multiple tokens.</code></strong></p>
|
||
<blockquote class="blockquote">
|
||
<p>A: This is because the EOT token is encoded as multiple tokens which can cause unexpected behavior. Please add it under <code>tokens:</code> or (recommended) override unused added_tokens via <code>added_tokens_overrides:</code>.</p>
|
||
</blockquote>
|
||
<p><strong>Q: <code>Conflict between train_on_eos and train_on_eot. eos_token is in eot_tokens and train_on_eos != train_on_eot</code></strong></p>
|
||
<blockquote class="blockquote">
|
||
<p>A: This is because the EOS token is in the <code>eot_tokens:</code> while mismatch between <code>train_on_eos:</code> and <code>train_on_eot:</code>. This will cause one to override the other. Please ensure that <code>train_on_eos:</code> and <code>train_on_eot:</code> are the same or remove the EOS token from <code>eot_tokens:</code>.</p>
|
||
</blockquote>
|
||
<p><strong>Q: If <code>eot_tokens:</code> is not provided, what happens?</strong></p>
|
||
<blockquote class="blockquote">
|
||
<p>A: If <code>eot_tokens:</code> is not provided, the default behavior is the same as before. EOS tokens used to delimit turns are masked/unmasked depending on whether the turn is trainable.</p>
|
||
</blockquote>
|
||
<blockquote class="blockquote">
|
||
<p>Internally, <code>eot_tokens: tokenizer.eos_token</code> and <code>train_on_eot: train_on_eos</code> (which defaults to <code>turn</code>). This transition helps clarify the naming and behavior of EOT/EOS tokens.</p>
|
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</blockquote>
|
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|
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|
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if (note.children && note.children.length > 2) {
|
||
container.appendChild(note.children[0].cloneNode(true));
|
||
for (let i = 1; i < note.children.length; i++) {
|
||
const child = note.children[i];
|
||
if (child.tagName === "P" && child.innerText === "") {
|
||
continue;
|
||
} else {
|
||
container.appendChild(child.cloneNode(true));
|
||
break;
|
||
}
|
||
}
|
||
if (window.Quarto?.typesetMath) {
|
||
window.Quarto.typesetMath(container);
|
||
}
|
||
return container.innerHTML
|
||
} else {
|
||
if (window.Quarto?.typesetMath) {
|
||
window.Quarto.typesetMath(note);
|
||
}
|
||
return note.innerHTML;
|
||
}
|
||
} else {
|
||
// Remove any anchor links if they are present
|
||
const anchorLink = note.querySelector('a.anchorjs-link');
|
||
if (anchorLink) {
|
||
anchorLink.remove();
|
||
}
|
||
if (window.Quarto?.typesetMath) {
|
||
window.Quarto.typesetMath(note);
|
||
}
|
||
if (note.classList.contains("callout")) {
|
||
return note.outerHTML;
|
||
} else {
|
||
return note.innerHTML;
|
||
}
|
||
}
|
||
}
|
||
for (var i=0; i<xrefs.length; i++) {
|
||
const xref = xrefs[i];
|
||
tippyHover(xref, undefined, function(instance) {
|
||
instance.disable();
|
||
let url = xref.getAttribute('href');
|
||
let hash = undefined;
|
||
if (url.startsWith('#')) {
|
||
hash = url;
|
||
} else {
|
||
try { hash = new URL(url).hash; } catch {}
|
||
}
|
||
if (hash) {
|
||
const id = hash.replace(/^#\/?/, "");
|
||
const note = window.document.getElementById(id);
|
||
if (note !== null) {
|
||
try {
|
||
const html = processXRef(id, note.cloneNode(true));
|
||
instance.setContent(html);
|
||
} finally {
|
||
instance.enable();
|
||
instance.show();
|
||
}
|
||
} else {
|
||
// See if we can fetch this
|
||
fetch(url.split('#')[0])
|
||
.then(res => res.text())
|
||
.then(html => {
|
||
const parser = new DOMParser();
|
||
const htmlDoc = parser.parseFromString(html, "text/html");
|
||
const note = htmlDoc.getElementById(id);
|
||
if (note !== null) {
|
||
const html = processXRef(id, note);
|
||
instance.setContent(html);
|
||
}
|
||
}).finally(() => {
|
||
instance.enable();
|
||
instance.show();
|
||
});
|
||
}
|
||
} else {
|
||
// See if we can fetch a full url (with no hash to target)
|
||
// This is a special case and we should probably do some content thinning / targeting
|
||
fetch(url)
|
||
.then(res => res.text())
|
||
.then(html => {
|
||
const parser = new DOMParser();
|
||
const htmlDoc = parser.parseFromString(html, "text/html");
|
||
const note = htmlDoc.querySelector('main.content');
|
||
if (note !== null) {
|
||
// This should only happen for chapter cross references
|
||
// (since there is no id in the URL)
|
||
// remove the first header
|
||
if (note.children.length > 0 && note.children[0].tagName === "HEADER") {
|
||
note.children[0].remove();
|
||
}
|
||
const html = processXRef(null, note);
|
||
instance.setContent(html);
|
||
}
|
||
}).finally(() => {
|
||
instance.enable();
|
||
instance.show();
|
||
});
|
||
}
|
||
}, function(instance) {
|
||
});
|
||
}
|
||
let selectedAnnoteEl;
|
||
const selectorForAnnotation = ( cell, annotation) => {
|
||
let cellAttr = 'data-code-cell="' + cell + '"';
|
||
let lineAttr = 'data-code-annotation="' + annotation + '"';
|
||
const selector = 'span[' + cellAttr + '][' + lineAttr + ']';
|
||
return selector;
|
||
}
|
||
const selectCodeLines = (annoteEl) => {
|
||
const doc = window.document;
|
||
const targetCell = annoteEl.getAttribute("data-target-cell");
|
||
const targetAnnotation = annoteEl.getAttribute("data-target-annotation");
|
||
const annoteSpan = window.document.querySelector(selectorForAnnotation(targetCell, targetAnnotation));
|
||
const lines = annoteSpan.getAttribute("data-code-lines").split(",");
|
||
const lineIds = lines.map((line) => {
|
||
return targetCell + "-" + line;
|
||
})
|
||
let top = null;
|
||
let height = null;
|
||
let parent = null;
|
||
if (lineIds.length > 0) {
|
||
//compute the position of the single el (top and bottom and make a div)
|
||
const el = window.document.getElementById(lineIds[0]);
|
||
top = el.offsetTop;
|
||
height = el.offsetHeight;
|
||
parent = el.parentElement.parentElement;
|
||
if (lineIds.length > 1) {
|
||
const lastEl = window.document.getElementById(lineIds[lineIds.length - 1]);
|
||
const bottom = lastEl.offsetTop + lastEl.offsetHeight;
|
||
height = bottom - top;
|
||
}
|
||
if (top !== null && height !== null && parent !== null) {
|
||
// cook up a div (if necessary) and position it
|
||
let div = window.document.getElementById("code-annotation-line-highlight");
|
||
if (div === null) {
|
||
div = window.document.createElement("div");
|
||
div.setAttribute("id", "code-annotation-line-highlight");
|
||
div.style.position = 'absolute';
|
||
parent.appendChild(div);
|
||
}
|
||
div.style.top = top - 2 + "px";
|
||
div.style.height = height + 4 + "px";
|
||
div.style.left = 0;
|
||
let gutterDiv = window.document.getElementById("code-annotation-line-highlight-gutter");
|
||
if (gutterDiv === null) {
|
||
gutterDiv = window.document.createElement("div");
|
||
gutterDiv.setAttribute("id", "code-annotation-line-highlight-gutter");
|
||
gutterDiv.style.position = 'absolute';
|
||
const codeCell = window.document.getElementById(targetCell);
|
||
const gutter = codeCell.querySelector('.code-annotation-gutter');
|
||
gutter.appendChild(gutterDiv);
|
||
}
|
||
gutterDiv.style.top = top - 2 + "px";
|
||
gutterDiv.style.height = height + 4 + "px";
|
||
}
|
||
selectedAnnoteEl = annoteEl;
|
||
}
|
||
};
|
||
const unselectCodeLines = () => {
|
||
const elementsIds = ["code-annotation-line-highlight", "code-annotation-line-highlight-gutter"];
|
||
elementsIds.forEach((elId) => {
|
||
const div = window.document.getElementById(elId);
|
||
if (div) {
|
||
div.remove();
|
||
}
|
||
});
|
||
selectedAnnoteEl = undefined;
|
||
};
|
||
// Handle positioning of the toggle
|
||
window.addEventListener(
|
||
"resize",
|
||
throttle(() => {
|
||
elRect = undefined;
|
||
if (selectedAnnoteEl) {
|
||
selectCodeLines(selectedAnnoteEl);
|
||
}
|
||
}, 10)
|
||
);
|
||
function throttle(fn, ms) {
|
||
let throttle = false;
|
||
let timer;
|
||
return (...args) => {
|
||
if(!throttle) { // first call gets through
|
||
fn.apply(this, args);
|
||
throttle = true;
|
||
} else { // all the others get throttled
|
||
if(timer) clearTimeout(timer); // cancel #2
|
||
timer = setTimeout(() => {
|
||
fn.apply(this, args);
|
||
timer = throttle = false;
|
||
}, ms);
|
||
}
|
||
};
|
||
}
|
||
// Attach click handler to the DT
|
||
const annoteDls = window.document.querySelectorAll('dt[data-target-cell]');
|
||
for (const annoteDlNode of annoteDls) {
|
||
annoteDlNode.addEventListener('click', (event) => {
|
||
const clickedEl = event.target;
|
||
if (clickedEl !== selectedAnnoteEl) {
|
||
unselectCodeLines();
|
||
const activeEl = window.document.querySelector('dt[data-target-cell].code-annotation-active');
|
||
if (activeEl) {
|
||
activeEl.classList.remove('code-annotation-active');
|
||
}
|
||
selectCodeLines(clickedEl);
|
||
clickedEl.classList.add('code-annotation-active');
|
||
} else {
|
||
// Unselect the line
|
||
unselectCodeLines();
|
||
clickedEl.classList.remove('code-annotation-active');
|
||
}
|
||
});
|
||
}
|
||
const findCites = (el) => {
|
||
const parentEl = el.parentElement;
|
||
if (parentEl) {
|
||
const cites = parentEl.dataset.cites;
|
||
if (cites) {
|
||
return {
|
||
el,
|
||
cites: cites.split(' ')
|
||
};
|
||
} else {
|
||
return findCites(el.parentElement)
|
||
}
|
||
} else {
|
||
return undefined;
|
||
}
|
||
};
|
||
var bibliorefs = window.document.querySelectorAll('a[role="doc-biblioref"]');
|
||
for (var i=0; i<bibliorefs.length; i++) {
|
||
const ref = bibliorefs[i];
|
||
const citeInfo = findCites(ref);
|
||
if (citeInfo) {
|
||
tippyHover(citeInfo.el, function() {
|
||
var popup = window.document.createElement('div');
|
||
citeInfo.cites.forEach(function(cite) {
|
||
var citeDiv = window.document.createElement('div');
|
||
citeDiv.classList.add('hanging-indent');
|
||
citeDiv.classList.add('csl-entry');
|
||
var biblioDiv = window.document.getElementById('ref-' + cite);
|
||
if (biblioDiv) {
|
||
citeDiv.innerHTML = biblioDiv.innerHTML;
|
||
}
|
||
popup.appendChild(citeDiv);
|
||
});
|
||
return popup.innerHTML;
|
||
});
|
||
}
|
||
}
|
||
});
|
||
</script>
|
||
</div> <!-- /content -->
|
||
|
||
|
||
|
||
|
||
</body></html> |