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<h3>
 Marge Bot pushed to branch master
at <a href="https://gitlab.haskell.org/ghc/ghc">Glasgow Haskell Compiler / GHC</a>
</h3>
<h4>
Commits:
</h4>
<ul>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/5d0f244528f8f7ba3058a4cf7b075a474c63fa1b">5d0f2445</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-05-13T02:07:47-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">testsuite: Print sign of performance changes

Executes the minor formatting change in the tabulated performance
changes suggested in #18135.
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<h4>1 changed file:</h4>
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<a href="#326e115e015c04db679ca1d9dbc1092906bef3a6">
testsuite/driver/runtests.py
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<h4>Changes:</h4>
<li id="326e115e015c04db679ca1d9dbc1092906bef3a6">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/5d0f244528f8f7ba3058a4cf7b075a474c63fa1b#326e115e015c04db679ca1d9dbc1092906bef3a6"><strong>testsuite/driver/runtests.py</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -349,13 +349,13 @@ def tabulate_metrics(metrics: List[PerfMetric]) -> None:</td>
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<pre style="margin: 0;"> <span id="LC349" class="line" lang="python">            <span class="n" style="color: #333;">val0</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">metric</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">baseline</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">perfStat</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">value</span></span>
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<pre style="margin: 0;"> <span id="LC350" class="line" lang="python">            <span class="n" style="color: #333;">val1</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">metric</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">stat</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">value</span></span>
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<pre style="margin: 0;"> <span id="LC351" class="line" lang="python">            <span class="n" style="color: #333;">rel</span> <span class="o" style="font-weight: 600;">=</span> <span class="mi" style="color: #099;">100</span> <span class="o" style="font-weight: 600;">*</span> <span class="p">(</span><span class="n" style="color: #333;">val1</span> <span class="o" style="font-weight: 600;">-</span> <span class="n" style="color: #333;">val0</span><span class="p">)</span> <span class="o" style="font-weight: 600;">/</span> <span class="n" style="color: #333;">val0</span></span>
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<pre style="margin: 0;">-<span id="LC352" class="line" lang="python">            <span class="k" style="font-weight: 600;">print</span><span class="p">(</span><span class="s" style="color: #d14;">"{space:24}  {herald:40}  {value:15.3f}  [{direction} {rel:2.1f}</span><span class="si" style="color: #d14;">%</span><span class="s" style="color: #d14;">]"</span><span class="o" style="font-weight: 600;">.</span><span class="nb" style="color: #0086b3;">format</span><span class="p">(</span></span>
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<pre style="margin: 0;">+<span id="LC352" class="line" lang="python">            <span class="k" style="font-weight: 600;">print</span><span class="p">(</span><span class="s" style="color: #d14;">"{space:24}  {herald:40}  {value:15.3f}  [{direction}<span class="idiff left right">,</span> {rel:2.1f}</span><span class="si" style="color: #d14;">%</span><span class="s" style="color: #d14;">]"</span><span class="o" style="font-weight: 600;">.</span><span class="nb" style="color: #0086b3;">format</span><span class="p">(</span></span>
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<pre style="margin: 0;"> <span id="LC353" class="line" lang="python">                <span class="n" style="color: #333;">space</span> <span class="o" style="font-weight: 600;">=</span> <span class="s" style="color: #d14;">""</span><span class="p">,</span></span>
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<pre style="margin: 0;"> <span id="LC354" class="line" lang="python">                <span class="n" style="color: #333;">herald</span> <span class="o" style="font-weight: 600;">=</span> <span class="s" style="color: #d14;">"(baseline @ HEAD~{depth})"</span><span class="o" style="font-weight: 600;">.</span><span class="nb" style="color: #0086b3;">format</span><span class="p">(</span></span>
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<pre style="margin: 0;"> <span id="LC355" class="line" lang="python">                    <span class="n" style="color: #333;">depth</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">metric</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">baseline</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">commitDepth</span><span class="p">),</span></span>
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<pre style="margin: 0;"> <span id="LC356" class="line" lang="python">                <span class="n" style="color: #333;">value</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">val0</span><span class="p">,</span></span>
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<pre style="margin: 0;"> <span id="LC357" class="line" lang="python">                <span class="n" style="color: #333;">direction</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">metric</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">change</span><span class="p">,</span></span>
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<pre style="margin: 0;">-<span id="LC358" class="line" lang="python">                <span class="n" style="color: #333;">rel</span> <span class="o" style="font-weight: 600;">=</span> <span class="nb" style="color: #0086b3;"><span class="idiff left">abs</span></span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">rel</span></span><span class="p"><span class="idiff right">)</span></span></span>
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<pre style="margin: 0;">+<span id="LC358" class="line" lang="python">                <span class="n" style="color: #333;">rel</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;"><span class="idiff left right">rel</span></span></span>
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<pre style="margin: 0;"> <span id="LC359" class="line" lang="python">            <span class="p">))</span></span>
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<pre style="margin: 0;"> <span id="LC361" class="line" lang="python"><span class="c1" style="color: #998; font-style: italic;"># First collect all the tests to be run</span></span>
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