diff --git a/src/applications/differential/storage/comment/DifferentialComment.php b/src/applications/differential/storage/comment/DifferentialComment.php
index fa4eb2fc40..1349ddc772 100755
--- a/src/applications/differential/storage/comment/DifferentialComment.php
+++ b/src/applications/differential/storage/comment/DifferentialComment.php
@@ -22,5 +22,6 @@ class DifferentialComment extends DifferentialDAO {
   protected $revisionID;
   protected $action;
   protected $content;
+  protected $cache;
 
 }
diff --git a/src/applications/differential/storage/inlinecomment/DifferentialInlineComment.php b/src/applications/differential/storage/inlinecomment/DifferentialInlineComment.php
index 8b2446c759..502757e87c 100644
--- a/src/applications/differential/storage/inlinecomment/DifferentialInlineComment.php
+++ b/src/applications/differential/storage/inlinecomment/DifferentialInlineComment.php
@@ -29,5 +29,6 @@ class DifferentialInlineComment extends DifferentialDAO {
   protected $lineLength;
 
   protected $content;
+  protected $cache;
 
 }
diff --git a/src/applications/differential/view/revisioncomment/DifferentialRevisionCommentView.php b/src/applications/differential/view/revisioncomment/DifferentialRevisionCommentView.php
index 2ef005669a..9c174583fd 100644
--- a/src/applications/differential/view/revisioncomment/DifferentialRevisionCommentView.php
+++ b/src/applications/differential/view/revisioncomment/DifferentialRevisionCommentView.php
@@ -69,9 +69,19 @@ final class DifferentialRevisionCommentView extends AphrontView {
     $content = $comment->getContent();
     if (strlen(rtrim($content))) {
       $title = "{$author_link} {$verb} this revision:";
+      $cache = $comment->getCache();
+      if (strlen($cache)) {
+        $content = $cache;
+      } else {
+        $content = $this->markupEngine->markupText($content);
+        if ($comment->getID()) {
+          $comment->setCache($content);
+          $comment->save();
+        }
+      }
       $content =
         '<div class="phabricator-remarkup">'.
-          $this->markupEngine->markupText($content).
+          $content.
         '</div>';
     } else {
       $title = null;
diff --git a/src/applications/xhprof/view/symbol/PhabricatorXHProfProfileSymbolView.php b/src/applications/xhprof/view/symbol/PhabricatorXHProfProfileSymbolView.php
index 522641f087..bfdaf3b502 100644
--- a/src/applications/xhprof/view/symbol/PhabricatorXHProfProfileSymbolView.php
+++ b/src/applications/xhprof/view/symbol/PhabricatorXHProfProfileSymbolView.php
@@ -72,8 +72,6 @@ class PhabricatorXHProfProfileSymbolView extends AphrontView {
       '',
       '',
       '',
-      '',
-      '',
     );
     $rows[] = array(
       phutil_render_tag(
@@ -84,9 +82,7 @@ class PhabricatorXHProfProfileSymbolView extends AphrontView {
         phutil_escape_html($symbol)),
       $flat[$symbol]['ct'],
       $flat[$symbol]['wt'],
-      '',
-      $flat[$symbol]['excl_wt'],
-      '',
+      '100%',
     );
 
     $rows[] = array(
@@ -94,8 +90,6 @@ class PhabricatorXHProfProfileSymbolView extends AphrontView {
       '',
       '',
       '',
-      '',
-      '',
     );
     foreach ($parents as $key => $name) {
       $rows[] = array(
@@ -108,8 +102,6 @@ class PhabricatorXHProfProfileSymbolView extends AphrontView {
         $data[$key]['ct'],
         $data[$key]['wt'],
         '',
-        $data[$key]['wt'],
-        '',
       );
     }
 
@@ -119,33 +111,26 @@ class PhabricatorXHProfProfileSymbolView extends AphrontView {
       '',
       '',
       '',
-      '',
-      '',
     );
+    $child_rows = array();
     foreach ($children as $key => $name) {
-      $rows[] = array(
-        phutil_render_tag(
-          'a',
-          array(
-            'href' => $base_uri.'?symbol='.$name,
-          ),
-          phutil_escape_html($name)),
+      $child_rows[] = array(
+        $name,
         $data[$key]['ct'],
         $data[$key]['wt'],
-        '',
-        $data[$key]['wt'],
-        '',
+        $data[$key]['wt'] / $flat[$symbol]['wt'],
       );
     }
+    $child_rows = isort($child_rows, 2);
+    $child_rows = array_reverse($child_rows);
+    $rows = array_merge($rows, $this->formatRows($child_rows));
 
     $table = new AphrontTableView($rows);
     $table->setHeaders(
       array(
         'Symbol',
         'Count',
-        'Incl Wall Time',
-        '%',
-        'Excl Wall Time',
+        'Wall Time',
         '%',
       ));
     $table->setColumnClasses(
@@ -154,8 +139,6 @@ class PhabricatorXHProfProfileSymbolView extends AphrontView {
         'n',
         'n',
         'n',
-        'n',
-        'n',
       ));
 
     $panel = new AphrontPanelView();
@@ -164,4 +147,25 @@ class PhabricatorXHProfProfileSymbolView extends AphrontView {
 
     return $panel->render();
   }
+  
+  private function formatRows($rows) {
+    $base_uri = $this->baseURI;
+    
+    $result = array();
+    foreach ($rows as $row) {
+      $result[] = array(
+        phutil_render_tag(
+          'a',
+          array(
+            'href' => $base_uri.'?symbol='.$row[0],
+          ),
+          phutil_escape_html($row[0])),
+        number_format($row[1]),
+        number_format($row[2]).' us',
+        sprintf('%.1f%%', 100 * $row[3]),
+      );
+    }
+    return $result;
+  }
+  
 }
diff --git a/src/storage/lisk/dao/LiskDAO.php b/src/storage/lisk/dao/LiskDAO.php
index 667270a4d9..7a821a6cc0 100644
--- a/src/storage/lisk/dao/LiskDAO.php
+++ b/src/storage/lisk/dao/LiskDAO.php
@@ -573,11 +573,16 @@ abstract class LiskDAO {
    */
   protected function checkProperty($property) {
     static $properties = null;
-    if (!isset($properties)) {
+    if ($properties === null) {
       $properties = $this->getProperties();
     }
+    
+    $property = strtolower($property);
+    if (empty($properties[$property])) {
+      return null;
+    }
 
-    return idx($properties, strtolower($property));
+    return $properties[$property];
   }