diff --git a/rhodecode/templates/compare/compare_commits.mako b/rhodecode/templates/compare/compare_commits.mako
--- a/rhodecode/templates/compare/compare_commits.mako
+++ b/rhodecode/templates/compare/compare_commits.mako
@@ -20,6 +20,11 @@
             <th></th>
             <th>${_('Description')}</th>
         </tr>
+    ## to speed up lookups cache some functions before the loop
+    <%
+        active_patterns = h.get_active_pattern_entries(c.repo_name)
+        urlify_commit_message = h.partial(h.urlify_commit_message, active_pattern_entries=active_patterns)
+    %>
     %for commit in c.commit_ranges:
         <tr id="row-${commit.raw_id}"
             commit_id="${commit.raw_id}"
@@ -55,7 +60,7 @@
                         class="message truncate"
                         data-message-raw="${commit.message}"
                     >
-                        ${h.urlify_commit_message(commit.message, c.repo_name)}
+                        ${urlify_commit_message(commit.message, c.repo_name)}
                     </div>
                 </div>
             </td>
diff --git a/rhodecode/templates/summary/summary_commits.mako b/rhodecode/templates/summary/summary_commits.mako
--- a/rhodecode/templates/summary/summary_commits.mako
+++ b/rhodecode/templates/summary/summary_commits.mako
@@ -11,6 +11,12 @@
         <th>${_('Author')}</th>
         <th>${_('Refs')}</th>
     </tr>
+
+## to speed up lookups cache some functions before the loop
+<%
+    active_patterns = h.get_active_pattern_entries(c.repo_name)
+    urlify_commit_message = h.partial(h.urlify_commit_message, active_pattern_entries=active_patterns)
+%>
 %for cnt,cs in enumerate(c.repo_commits):
     <tr class="parity${cnt%2}">
 
@@ -44,7 +50,7 @@
 
         <td class="td-description mid">
           <div class="log-container truncate-wrap">
-              <div class="message truncate" id="c-${cs.raw_id}">${h.urlify_commit_message(cs.message, c.repo_name)}</div>
+              <div class="message truncate" id="c-${cs.raw_id}">${urlify_commit_message(cs.message, c.repo_name)}</div>
           </div>
         </td>