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    <p>Some possibilities:</p>
    <p>* Go back even further and see if it worked in early builds.</p>
    <p>* Selectively disable some AVX2 codepaths in the code and try to
      narrow it down. <br>
    </p>
    <br>
    <div class="moz-cite-prefix">Am 16.11.2016 um 13:06 schrieb Mohamed
      Sakr:<br>
    </div>
    <blockquote
cite="mid:CABgy2LvEyHXuKWzXu-=3VCoKvacwjb3uHGygCqHQhu5iLxCkAA@mail.gmail.com"
      type="cite">
      <div dir="ltr">Hi Sergey,<br>
        <br>
        the build that we use was pre all AVX 2 optimizations.<br>
        <a moz-do-not-send="true"
href="https://developer.blender.org/rC6bec239678ffa16f9136501ebef8936297863b72">https://developer.blender.org/rC6bec239678ffa16f9136501ebef8936297863b72</a><br>
        <br>
        cheers,<br>
        Mohamed Sakr</div>
      <div class="gmail_extra"><br>
        <div class="gmail_quote">On Wed, Nov 16, 2016 at 1:46 PM, Sergey
          Sharybin <span dir="ltr">&lt;<a moz-do-not-send="true"
              href="mailto:sergey.vfx@gmail.com" target="_blank">sergey.vfx@gmail.com</a>&gt;</span>
          wrote:<br>
          <blockquote class="gmail_quote" style="margin:0 0 0
            .8ex;border-left:1px #ccc solid;padding-left:1ex">
            <div dir="ltr">
              <div>Hi,</div>
              <div><br>
              </div>
              There were some optimization for AVX2 done. So if it's
              some recent issue you should be able to bisect it
              relatively easily.</div>
            <div class="gmail_extra"><br>
              <div class="gmail_quote">
                <div>
                  <div class="h5">On Wed, Nov 16, 2016 at 12:42 PM,
                    Mohamed Sakr <span dir="ltr">&lt;<a
                        moz-do-not-send="true"
                        href="mailto:3dsakr@gmail.com" target="_blank">3dsakr@gmail.com</a>&gt;</span>
                    wrote:<br>
                  </div>
                </div>
                <blockquote class="gmail_quote" style="margin:0 0 0
                  .8ex;border-left:1px #ccc solid;padding-left:1ex">
                  <div>
                    <div class="h5">
                      <div dir="ltr">Hi,<br>
                        <br>
                        got a weird bug when rendering with i7 5930k
                        (didn't happen on i7 3930k or CUDA).<br>
                        <a moz-do-not-send="true"
                          href="http://pasteall.org/pic/index.php?id=108799"
                          target="_blank">http://pasteall.org/pic/index.<wbr>php?id=108799</a><br>
                        <a moz-do-not-send="true"
                          href="http://pasteall.org/pic/index.php?id=108800"
                          target="_blank">http://pasteall.org/pic/index.<wbr>php?id=108800</a><br>
                        <br>
                        our build is Oct 12 standalone build.<br>
                        ideas?<br>
                        <br>
                        cheers,<br>
                        Mohamed Sakr</div>
                      <br>
                    </div>
                  </div>
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                    href="mailto:Bf-cycles@blender.org" target="_blank">Bf-cycles@blender.org</a><br>
                  <a moz-do-not-send="true"
                    href="https://lists.blender.org/mailman/listinfo/bf-cycles"
                    rel="noreferrer" target="_blank">https://lists.blender.org/mail<wbr>man/listinfo/bf-cycles</a><br>
                  <br>
                </blockquote>
              </div>
              <span class="HOEnZb"><font color="#888888"><br>
                  <br clear="all">
                  <div><br>
                  </div>
                  -- <br>
                  <div class="m_-7956162572028882185gmail_signature"
                    data-smartmail="gmail_signature">
                    <div><span style="color:rgb(102,102,102)">With best
                        regards, Sergey Sharybin</span></div>
                  </div>
                </font></span></div>
            <br>
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            <a moz-do-not-send="true"
              href="mailto:Bf-cycles@blender.org">Bf-cycles@blender.org</a><br>
            <a moz-do-not-send="true"
              href="https://lists.blender.org/mailman/listinfo/bf-cycles"
              rel="noreferrer" target="_blank">https://lists.blender.org/<wbr>mailman/listinfo/bf-cycles</a><br>
            <br>
          </blockquote>
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      <pre wrap="">_______________________________________________
Bf-cycles mailing list
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</pre>
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