<div class="chatlog__message-group">
  <div id="chatlog__message-container-1326590513847210024" class="chatlog__message-container" data-message-id="1326590513847210024">
    <div class="chatlog__message">
      <div class="chatlog__message-aside"><img class="chatlog__avatar" src="https://cdn.discordapp.com/avatars/189711109966659584/95280765d1be73ce985dce15ea3585f6.png?size=512" alt="Avatar" loading="lazy"></div>
      <div class="chatlog__message-primary">
        <div class="chatlog__header"><span class="chatlog__author" style="color:rgb(237,171,161)" title="omochimetaru" data-user-id="189711109966659584">omochimetaru</span> <a href="/channels/561853152408895518?category=main&amp;channel=swift-syntax&amp;message_id=1326591306721394771"><span class="chatlog__timestamp" title="Wednesday, January 8, 2025 4:37 PM"></span></a><a href="#chatlog__message-container-1326590513847210024">1/8/2025 4:37 PM</a></div>
        <div class="chatlog__content chatlog__markdown"><span class="chatlog__markdown-preserve"><a href="https://github.com/swiftlang/swift-syntax/pull/2925">https://github.com/swiftlang/swift-syntax/pull/2925</a></span></div>
        <div class="chatlog__embed">
          <div class="chatlog__embed-color-pill" style="background-color:rgba(30,35,39,255)"></div>
          <div class="chatlog__embed-content-container">
            <div class="chatlog__embed-content">
              <div class="chatlog__embed-text">
                <div class="chatlog__embed-title"><a class="chatlog__embed-title-link" href="https://github.com/swiftlang/swift-syntax/pull/2925">
                    <div class="chatlog__markdown chatlog__markdown-preserve">[Syntax] Use BumpPtrAllocator for Syntax node internals by rintaro ...</div>
                  </a></div>
                <div class="chatlog__embed-description">
                  <div class="chatlog__markdown chatlog__markdown-preserve">Rework Syntax internals. &amp;quot;Red&amp;quot; tree is now bump-pointer allocated and visited children are cached. Syntax is a pair of the allocator (strong reference to SyntaxDataArena class) ...</div>
                </div>
              </div>
              <div class="chatlog__embed-thumbnail-container"><a class="chatlog__embed-thumbnail-link" href="https://images-ext-1.discordapp.net/external/oavVONrXobvyn9jNq2_k6e8gykpOAQ7Z9pI-tyfAEU8/https/opengraph.githubassets.com/d3019e0cc46b7111e0c3fab447a29220f69aca65d0179e30d269c976233520ea/swiftlang/swift-syntax/pull/2925"> <img class="chatlog__embed-thumbnail" src="https://images-ext-1.discordapp.net/external/oavVONrXobvyn9jNq2_k6e8gykpOAQ7Z9pI-tyfAEU8/https/opengraph.githubassets.com/d3019e0cc46b7111e0c3fab447a29220f69aca65d0179e30d269c976233520ea/swiftlang/swift-syntax/pull/2925" alt="Thumbnail" loading="lazy"> </a></div>
            </div>
          </div>
        </div>
      </div>
    </div>
  </div>
  <div id="chatlog__message-container-1326590615986897001" class="chatlog__message-container" data-message-id="1326590615986897001">
    <div class="chatlog__message">
      <div class="chatlog__message-aside">
        <div class="chatlog__short-timestamp" title="Wednesday, January 8, 2025 4:37 PM">4:37 PM</div>
      </div>
      <div class="chatlog__message-primary">
        <div class="chatlog__content chatlog__markdown"><span class="chatlog__markdown-preserve">りんたろーさんがなんか面白い事してる 特定のケースでパフォーマンスがかなり上がってる</span></div>
      </div>
    </div>
  </div>
  <div id="chatlog__message-container-1326591306721394771" class="chatlog__message-container" data-message-id="1326591306721394771">
    <div class="chatlog__message">
      <div class="chatlog__message-aside">
        <div class="chatlog__short-timestamp" title="Wednesday, January 8, 2025 4:40 PM">4:40 PM</div>
      </div>
      <div class="chatlog__message-primary">
        <div class="chatlog__content chatlog__markdown"><span class="chatlog__markdown-preserve">Green treeはイミュータブルデータ構造だから、その裏のRed treeはgreenの生成時にスナップショット的に管理できて、それをバンプアロケートしつつARCオーバーヘッドを減らすって感じか・・・？</span></div>
      </div>
    </div>
  </div>
</div>