<div dir="ltr"><div>Hi Vanessa,<br><br></div><div>Thank you very much for the pointer to Kempe (very cool project too!). Looks like the change to lookup and find cause the benchmarks to improve a little bit. See this comment for a graph showing the change: <a href="https://github.com/haskell/containers/pull/800#issuecomment-922134118">https://github.com/haskell/containers/pull/800#issuecomment-922134118</a><br><br></div><div>Best,<br></div><div>Callan<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, 17 Sept 2021 at 16:59, Vanessa McHale <<a href="mailto:vamchale@gmail.com">vamchale@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
  
    
  
  <div>
    <p>Hi Callan,</p>
    <p>My toy compiler makes extensive use of IntMaps: on github
      <a href="https://github.com/vmchale/kempe" target="_blank">https://github.com/vmchale/kempe</a> or hackage
      <a href="https://hackage.haskell.org/package/kempe" target="_blank">https://hackage.haskell.org/package/kempe</a><br>
      <br>
      Thanks!<br>
      Vanessa McHale<br>
    </p>
    <div>On 9/17/21 11:21 AM, Callan McGill
      wrote:<br>
    </div>
    <blockquote type="cite">
      
      <div dir="ltr">
        <div>
          <div>
            <div>Dear all,<br>
              <br>
            </div>
            I am trying to investigate a recent change we would like to
            make to `lookup` in IntMap. I wanted to know if any of you
            had any examples of open source projects that make
            significant use of IntMap and have benchmarks or performance
            tests we could run to make sure this change does not
            introduce significant regressions.<br>
            <br>
          </div>
          Best,<br>
        </div>
        Callan<br>
      </div>
      <br>
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