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<!DOCTYPE html>
<html>
<head>
<meta charset='utf-8'>
<meta name="description" content="log2({{.Requests}}) = {{.Log2lzcnt}}">
<meta name="application-name" content="lzcnt.space">
<meta name="author" content="iskrim">
<meta content="website" property="og:type">
<meta content="https://lzcnt.space" property="og:url">
<meta content="LZCNT" property="og:site_name">
<meta content="lzcnt %rdi, %rdi" property="og:title">
<meta content="log2lzcnt({{.Requests}}) = {{.Log2lzcnt}}" property="og:description">
<meta
content="https://mastodon.goldencaramel.skin/system/media_attachments/files/113/844/350/154/991/661/original/8992eed7f2638496.jpg"
property="og:image">
<meta content="640" property="og:image:width">
<meta content="640" property="og:image:height">
<meta http-equiv='X-UA-Compatible' content='IE=edge'>
<meta name='viewport' content='width=device-width, initial-scale=1'>
<title>LZCNT</title>
<!--fdfd-->
<style>
.ins {
color: rgb(254, 254, 91)
}
.imm {
color: rgb(31, 145, 31)
}
.reg {
color: rgb(115, 158, 213);
font-weight: bold;
}
.label {
color: rgb(70, 70, 240)
}
.comment {
color: rgb(31, 145, 31);
font-weight: bold;
}
.listing {
color: white;
display: flex;
justify-content: center;
}
.listing code {
background-color: rgb(31, 31, 31);
}
</style>
<form id="reset" action="/reset" method="get"></form>
</head>
<body>
<div style="display: flex; justify-content: center;"></div>
<h2 style="text-align: center;"><code>LZCNT - Count the Number of Leading Zero Bits</code></h2>
<pre class="listing"><code>
<code class="comment"># <a href="https://github.com/hovertank3d/lzcnt.space">[source code]</a></code>
<code class="comment"># <a href="javascript:{}" onclick="document.getElementById('reset').submit(); return false;">[reset counter]</a></code>
<code class="label">log2lzcnt:</code> <code class="comment"># log2lzcnt({{.Requests}});</code>
<b><code class="ins"> lzcnt </code></b><code class="reg">%rdi</code>, <code class="reg">%rdi</code>
<code class="ins"> movq </code><code class="imm">$63</code>, <code class="reg">%rax</code>
<code class="ins"> sub </code><code class="reg">%rdi</code>, <code class="reg">%rax</code>
<code class="ins"> ret </code> <code class="comment"># 2^{{.Log2lzcnt}} requests handled</code>
</code></pre>
</div>
</body>
</html>
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