{% extends 'templates/base.html' %}

{% set title = 'Performance comparison of different ClickHouse versions' %}
{% set extra_js = [
    'queries.js?' + rev_short,
    'results.js?' + rev_short,
    '../benchmark.js?' + rev_short]
%}
{% set url = 'https://clickhouse.com/benchmark/versions/' %}
{% set no_footer = True %}

{% block content %}
<div class="container-fluid py-3">

<div class="row mb-3">
    <div class="col d-flex align-items-center">
        <a href="/" title="Main page" class="float-left mr-3">
            <img src="/docs/images/logo.svg" alt="ClickHouse" />
        </a>
        <h1 class="h2 mb-0">{{ title }}</h1>
    </div>
</div>

<div class="row mb-3">
    <div id="selectors" class="col"></div>
</div>

<div class="row mb-3">
    <div class="col">
        <h2 class="h4 my-3">Relative query processing time <span class="text-muted">(lower is better)</span></h2>
        <div id="diagram"></div>
    </div>
</div>

<div class="row mb-3">
    <div class="col">
        <h2 class="h4 my-3">Full results</h2>
        <div id="comparison_table"></div>
    </div>
</div>

<div class="row">
    <div class="col">
        <h2 class="h4 my-3">Comments</h2>
        <p>Hardware used to run tests: x86_64 AWS m5.8xlarge Ubuntu 20.04.</p>
        <p>Old versions had no support of this features/syntax: toISOWeek, SUBSTRING, EXTRACT, WITH. Queries were changed. All versions runs use same queries. </p>
        <p>Star Schema Benchmark Patrick O'Neil, Elizabeth (Betty) O'Neil and Xuedong Chen. "The Star Schema Benchmark," Online Publication of Database Generation program., January 2007. <a href="http://www.cs.umb.edu/~poneil/StarSchemaB.pdf">http://www.cs.umb.edu/~poneil/StarSchemaB.pdf</a></p>
    <br/>
</p>
    </div>
</div>
{% endblock %}