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revset: optimize "draft() & ::x" pattern...
revset: optimize "draft() & ::x" pattern The `draft() & ::x` type query could be common for selecting one or more draft feature branches being worked on. Before this patch, `::x` may travel through the changelog DAG for a long distance until it gets a smaller revision number than `min(draft())`. It could be very slow on long changelog with distant (in terms of revision numbers) drafts. This patch adds a fast path for this situation, and will stop traveling the changelog DAG once `::x` hits a non-draft revision. The fast path also works for `secret()` and `not public()`. To measure the performance difference, I used drawdag to create a repo that emulates distant drafts: DRAFT4 | DRAFT3 # draft / PUBLIC9999 # public | PUBLIC9998 | . DRAFT2 . | . DRAFT1 # draft | / PUBLIC0001 # public And measured the performance using the repo: (BEFORE) $ hg perfrevset 'draft() & ::(DRAFT2+DRAFT4)' ! wall 0.017132 comb 0.010000 user 0.010000 sys 0.000000 (best of 156) $ hg perfrevset 'draft() & ::(all())' ! wall 0.024221 comb 0.030000 user 0.030000 sys 0.000000 (best of 113) (AFTER) $ hg perfrevset 'draft() & ::(DRAFT2+DRAFT4)' ! wall 0.000243 comb 0.000000 user 0.000000 sys 0.000000 (best of 9303) $ hg perfrevset 'draft() & ::(all())' ! wall 0.004319 comb 0.000000 user 0.000000 sys 0.000000 (best of 655) Differential Revision: https://phab.mercurial-scm.org/D441
Gregory Szorc - - Load All Authors

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graph.tmpl
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{header}
<title>{repo|escape}: graph</title>
<link rel="alternate" type="application/atom+xml"
href="{url|urlescape}atom-tags" title="Atom feed for {repo|escape}: tags">
<link rel="alternate" type="application/rss+xml"
href="{url|urlescape}rss-tags" title="RSS feed for {repo|escape}: tags">
<!--[if IE]><script type="text/javascript" src="{staticurl|urlescape}excanvas.js"></script><![endif]-->
</head>
<body>
<div class="buttons">
<a href="{url|urlescape}log/{symrev}{sessionvars%urlparameter}">changelog</a>
<a href="{url|urlescape}shortlog/{symrev}{sessionvars%urlparameter}">shortlog</a>
<a href="{url|urlescape}tags{sessionvars%urlparameter}">tags</a>
<a href="{url|urlescape}branches{sessionvars%urlparameter}">branches</a>
<a href="{url|urlescape}file/{symrev}/{sessionvars%urlparameter}">files</a>
<a href="{url|urlescape}help{sessionvars%urlparameter}">help</a>
</div>
<h2><a href="/">Mercurial</a> {pathdef%breadcrumb} / graph</h2>
<form action="{url|urlescape}log">
{sessionvars%hiddenformentry}
<p>
<label for="search1">search:</label>
<input name="rev" id="search1" type="text" size="30">
navigate: <small class="navigate">{changenav%navgraph}</small>
</p>
</form>
<noscript>The revision graph only works with JavaScript-enabled browsers.</noscript>
<div id="wrapper">
<ul id="nodebgs"></ul>
<canvas id="graph" width="{canvaswidth}" height="{canvasheight}"></canvas>
<ul id="graphnodes"></ul>
</div>
<script type="text/javascript"{if(nonce, ' nonce="{nonce}"')}>
<!-- hide script content
var data = {jsdata|json};
var graph = new Graph();
graph.scale({bg_height});
graph.vertex = function(x, y, color, parity, cur) \{
this.ctx.beginPath();
color = this.setColor(color, 0.25, 0.75);
this.ctx.arc(x, y, radius, 0, Math.PI * 2, true);
this.ctx.fill();
var bg = '<li class="bg parity' + parity + '"></li>';
var left = (this.bg_height - this.box_size) + (this.columns + 1) * this.box_size;
var nstyle = 'padding-left: ' + left + 'px;';
var item = '<li style="' + nstyle + '"><span class="desc">';
item += '<a href="{url|urlescape}rev/' + cur[0] + '{sessionvars%urlparameter}" title="' + cur[0] + '">' + cur[3] + '</a>';
item += '</span><span class="info">' + cur[5] + ', by ' + cur[4] + '</span></li>';
return [bg, item];
}
graph.render(data);
// stop hiding script -->
</script>
<form action="{url|urlescape}log">
{sessionvars%hiddenformentry}
<p>
<label for="search1">search:</label>
<input name="rev" id="search1" type="text" size="30">
navigate: <small class="navigate">{changenav%navgraph}</small>
</p>
</form>
{footer}