diff --git a/change_log.txt b/change_log.txt
index af215e85..27932136 100644
--- a/change_log.txt
+++ b/change_log.txt
@@ -1,8 +1,6 @@
  ===== 3.1.28-dev===== (xx.xx.2015)
  24.10.2015
-  - new extension handler to load functions when called
-  - improve recovery from ivalid compiled template code
-  - improve autoloader speed
+  - more optimizations of template processing
   
  21.10.2015
   - move some code into runtime extensions
diff --git a/libs/Smarty.class.php b/libs/Smarty.class.php
index 9eac6ef8..3ad655ff 100644
--- a/libs/Smarty.class.php
+++ b/libs/Smarty.class.php
@@ -88,17 +88,20 @@ if (!class_exists('Smarty_Autoloader', false)) {
  * Load always needed external class files
  */
 
-if (!class_exists('Smarty_Internal_Data', false)) {
-    require_once SMARTY_SYSPLUGINS_DIR . 'smarty_internal_data.php';
+
+if (false) {
+    if (!class_exists('Smarty_Internal_Data', false)) {
+        require_once SMARTY_SYSPLUGINS_DIR . 'smarty_internal_data.php';
+    }
+    require_once SMARTY_SYSPLUGINS_DIR . 'smarty_internal_extension_handler.php';
+    require_once SMARTY_SYSPLUGINS_DIR . 'smarty_internal_templatebase.php';
+    require_once SMARTY_SYSPLUGINS_DIR . 'smarty_internal_template.php';
+    require_once SMARTY_SYSPLUGINS_DIR . 'smarty_resource.php';
+    require_once SMARTY_SYSPLUGINS_DIR . 'smarty_internal_resource_file.php';
+    require_once SMARTY_SYSPLUGINS_DIR . 'smarty_variable.php';
+    require_once SMARTY_SYSPLUGINS_DIR . 'smarty_template_source.php';
+    require_once SMARTY_SYSPLUGINS_DIR . 'smarty_template_resource_base.php';
 }
-require_once SMARTY_SYSPLUGINS_DIR . 'smarty_internal_extension_handler.php';
-require_once SMARTY_SYSPLUGINS_DIR . 'smarty_internal_templatebase.php';
-require_once SMARTY_SYSPLUGINS_DIR . 'smarty_internal_template.php';
-require_once SMARTY_SYSPLUGINS_DIR . 'smarty_resource.php';
-require_once SMARTY_SYSPLUGINS_DIR . 'smarty_internal_resource_file.php';
-require_once SMARTY_SYSPLUGINS_DIR . 'smarty_variable.php';
-require_once SMARTY_SYSPLUGINS_DIR . 'smarty_template_source.php';
-require_once SMARTY_SYSPLUGINS_DIR . 'smarty_template_resource_base.php';
 
 /**
  * This is the main Smarty class
@@ -120,7 +123,7 @@ class Smarty extends Smarty_Internal_TemplateBase
     /**
      * smarty version
      */
-    const SMARTY_VERSION = '3.1.28-dev/71';
+    const SMARTY_VERSION = '3.1.28-dev/72';
 
     /**
      * define variable scopes
@@ -1119,15 +1122,16 @@ class Smarty extends Smarty_Internal_TemplateBase
      *
      * @return string
      */
-    public function _getTemplateId($template_name, $cache_id = null, $compile_id = null)
+    public function _getTemplateId($template_name, $cache_id = null, $compile_id = null, $caching = null)
     {
         $cache_id = $cache_id === null ? $this->cache_id : $cache_id;
         $compile_id = $compile_id === null ? $this->compile_id : $compile_id;
+        $caching = (int) ($caching === null ? $this->caching : $caching);
 
         if ($this->allow_ambiguous_resources) {
-            $_templateId = Smarty_Resource::getUniqueTemplateName($this, $template_name) . "#{$cache_id}#{$compile_id}";
+            $_templateId = Smarty_Resource::getUniqueTemplateName($this, $template_name) . "#{$cache_id}#{$compile_id}#{$caching}";
         } else {
-            $_templateId = $this->_joined_template_dir . "#{$template_name}#{$cache_id}#{$compile_id}";
+            $_templateId = $this->_joined_template_dir . "#{$template_name}#{$cache_id}#{$compile_id}#{$caching}";
         }
         if (isset($_templateId[150])) {
             $_templateId = sha1($_templateId);
diff --git a/libs/sysplugins/smarty_internal_data.php b/libs/sysplugins/smarty_internal_data.php
index 303d8c1e..20d0b56c 100644
--- a/libs/sysplugins/smarty_internal_data.php
+++ b/libs/sysplugins/smarty_internal_data.php
@@ -174,6 +174,27 @@ class Smarty_Internal_Data
             return $this->ext->getTemplateVars->getTemplateVars($this, $varName,  $_ptr, $searchParents);
     }
 
+    /**
+     * Follow the parent chain an merge template and config variables
+     *
+     * @param \Smarty_Internal_Data|null $data
+     */
+    public function _mergeVars(Smarty_Internal_Data $data = null) {
+        if (isset($data)) {
+            if (!empty($this->tpl_vars)) {
+                $data->tpl_vars = array_merge($this->tpl_vars, $data->tpl_vars);
+            }
+            if (!empty($this->config_vars)) {
+                $data->config_vars = array_merge($this->config_vars, $data->config_vars);
+            }
+        } else {
+            $data = $this;
+        }
+        if (isset($this->parent))  {
+            $this->parent->_mergeVars($data);
+        }
+    }
+
     /**
      * Handle unknown class methods
      *
diff --git a/libs/sysplugins/smarty_internal_runtime_inline.php b/libs/sysplugins/smarty_internal_runtime_inline.php
index 3b49acea..730e88d3 100644
--- a/libs/sysplugins/smarty_internal_runtime_inline.php
+++ b/libs/sysplugins/smarty_internal_runtime_inline.php
@@ -8,7 +8,7 @@
  * @author     Uwe Tews
  *
  **/
-class Smarty_Internal_Runtime_Inline extends Smarty_Internal_Runtime_SubTemplate
+class Smarty_Internal_Runtime_Inline
 {
 
     /**
@@ -31,8 +31,8 @@ class Smarty_Internal_Runtime_Inline extends Smarty_Internal_Runtime_SubTemplate
     public function render(\Smarty_Internal_Template $parent, $template, $cache_id, $compile_id, $caching,
                            $cache_lifetime, $data, $scope, $forceTplCache, $uid, $content_func)
     {
-        $tpl = $this->setupSubTemplate($parent, $template, $cache_id, $compile_id, $caching, $cache_lifetime, $data,
-                                       $scope, $uid);
+        $tpl = $parent->smarty->ext->_subTemplate->setupSubTemplate($parent, $template, $cache_id, $compile_id, $caching, $cache_lifetime, $data,
+                                       $scope, $forceTplCache, $uid);
         if ($parent->smarty->debugging) {
             $parent->smarty->_debug->start_template($tpl);
             $parent->smarty->_debug->start_render($tpl);
@@ -45,7 +45,6 @@ class Smarty_Internal_Runtime_Inline extends Smarty_Internal_Runtime_SubTemplate
         if ($tpl->caching == 9999 && $tpl->compiled->has_nocache_code) {
             $parent->cached->hashes[$tpl->compiled->nocache_hash] = true;
         }
-        $this->updateTemplateCache($tpl, $forceTplCache);
     }
 
     /**
@@ -56,22 +55,31 @@ class Smarty_Internal_Runtime_Inline extends Smarty_Internal_Runtime_SubTemplate
      *
      * @throws \SmartyException
      */
-    public function setSourceByUid(Smarty_Internal_Template $tpl, $uid)
+    public function setSource(Smarty_Internal_Template $tpl, $uid = null)
     {
-        // inline templates have same compiled resource
-        $tpl->compiled = $tpl->parent->compiled;
-        if (isset($tpl->compiled->file_dependency[$uid])) {
-            list($filepath, $timestamp, $resource) = $tpl->compiled->file_dependency[$uid];
-            $tpl->source = new Smarty_Template_Source(isset($tpl->smarty->_cache['resource_handlers'][$resource]) ?
-                                                          $tpl->smarty->_cache['resource_handlers'][$resource] :
-                                                          Smarty_Resource::load($tpl->smarty, $resource), $tpl->smarty,
-                                                      $filepath, $resource, $filepath);
-            $tpl->source->filepath = $filepath;
-            $tpl->source->timestamp = $timestamp;
-            $tpl->source->exists = true;
-            $tpl->source->uid = $uid;
+        // $uid is set if template is inline
+        if (isset($uid)) {
+            // inline templates have same compiled resource
+            $tpl->compiled = $tpl->parent->compiled;
+            if (isset($tpl->compiled->file_dependency[$uid])) {
+                list($filepath, $timestamp, $resource) = $tpl->compiled->file_dependency[$uid];
+                $tpl->source = new Smarty_Template_Source(isset($tpl->smarty->_cache['resource_handlers'][$resource]) ?
+                                                              $tpl->smarty->_cache['resource_handlers'][$resource] :
+                                                              Smarty_Resource::load($tpl->smarty, $resource),
+                                                          $tpl->smarty, $filepath, $resource, $filepath);
+                $tpl->source->filepath = $filepath;
+                $tpl->source->timestamp = $timestamp;
+                $tpl->source->exists = true;
+                $tpl->source->uid = $uid;
+            } else {
+                $tpl->source = null;
+            }
         } else {
             $tpl->source = null;
+            unset($tpl->compiled);
+        }
+        if (!isset($tpl->source)) {
+            $tpl->source = Smarty_Template_Source::load($tpl);
         }
     }
 }
diff --git a/libs/sysplugins/smarty_internal_runtime_subtemplate.php b/libs/sysplugins/smarty_internal_runtime_subtemplate.php
index f9df3324..995d390b 100644
--- a/libs/sysplugins/smarty_internal_runtime_subtemplate.php
+++ b/libs/sysplugins/smarty_internal_runtime_subtemplate.php
@@ -11,6 +11,8 @@
 class Smarty_Internal_Runtime_SubTemplate
 {
 
+    public $tplObjects = array();
+    public $subTplInfo = array();
     /**
      * Runtime function to render subtemplate
      *
@@ -27,11 +29,8 @@ class Smarty_Internal_Runtime_SubTemplate
      */
     public function render(Smarty_Internal_Template $parent, $template, $cache_id, $compile_id, $caching,
                            $cache_lifetime, $data, $scope, $forceTplCache)
-    {
-        $tpl = $this->setupSubTemplate($parent, $template, $cache_id, $compile_id, $caching, $cache_lifetime, $data,
-                                       $scope);
-        $tpl->render();
-        $this->updateTemplateCache($tpl, $forceTplCache);
+    {$this->setupSubTemplate($parent, $template, $cache_id, $compile_id, $caching, $cache_lifetime, $data,
+                                                           $scope, $forceTplCache)->render();
     }
 
     /**
@@ -45,38 +44,38 @@ class Smarty_Internal_Runtime_SubTemplate
      * @param integer                   $cache_lifetime life time of cache data
      * @param array                     $data           passed parameter template variables
      * @param int                       $scope          scope in which {include} should execute
+     * @param                           $forceTplCache
      * @param string|null               $uid            source uid
      *
      * @return \Smarty_Internal_Template template object
-     * @throws \SmartyException
      */
     public function setupSubTemplate(Smarty_Internal_Template $parent, $template, $cache_id, $compile_id, $caching,
-                                     $cache_lifetime, $data, $scope, $uid = null)
+                                     $cache_lifetime, $data, $scope, $forceTplCache, $uid = null)
     {
         // if there are cached template objects calculate $templateID
-        $_templateId = isset($parent->smarty->_cache['template_objects']) ?
-            $parent->smarty->_getTemplateId($template, $cache_id, $compile_id) : null;
+        $_templateId = !empty($this->tplObjects) ?
+            $parent->smarty->_getTemplateId($template, $cache_id, $compile_id, $caching) : null;
         // already in template cache?
         /* @var Smarty_Internal_Template $tpl */
-        if (isset($parent->smarty->_cache['template_objects'][$_templateId])) {
+        if (isset($this->tplObjects[$_templateId])) {
             // clone cached template object because of possible recursive call
-            $tpl = clone $parent->smarty->_cache['template_objects'][$_templateId];
+            $tpl = clone $this->tplObjects[$_templateId];
             $tpl->parent = $parent;
             // if $caching mode changed the compiled resource is invalid
             if ((bool) $tpl->caching !== (bool) $caching) {
                 unset($tpl->compiled);
             }
             // get variables from calling scope
-            if ($scope == Smarty::SCOPE_LOCAL) {
+            if ($scope == Smarty::SCOPE_LOCAL && $tpl->scope == Smarty::SCOPE_LOCAL) {
                 $tpl->tpl_vars = $parent->tpl_vars;
                 $tpl->config_vars = $parent->config_vars;
             }
             $tpl->tpl_function = $parent->tpl_function;
             // copy inheritance object?
-            if (isset($parent->_inheritance)) {
-                $tpl->_inheritance = $parent->_inheritance;
+            if (isset($parent->ext->_inheritance)) {
+                $tpl->ext->_inheritance = $parent->ext->_inheritance;
             } else {
-                unset($tpl->_inheritance);
+                unset($tpl->ext->_inheritance);
             }
         } else {
             $tpl = clone $parent;
@@ -86,15 +85,10 @@ class Smarty_Internal_Runtime_SubTemplate
                 $tpl->template_resource = $template;
                 $tpl->cache_id = $cache_id;
                 $tpl->compile_id = $compile_id;
-                // $uid is set if template is inline
                 if (isset($uid)) {
-                    $this->setSourceByUid($tpl, $uid);
+                    $tpl->ext->_inline->setSource($tpl, $uid);
                 } else {
-                    $tpl->source = null;
-                    unset($tpl->compiled);
-                }
-                if (!isset($tpl->source)) {
-                    $tpl->source = Smarty_Template_Source::load($tpl);
+                  $this->setSource($tpl, $uid);
                 }
                 unset($tpl->cached);
             }
@@ -107,6 +101,7 @@ class Smarty_Internal_Runtime_SubTemplate
         // get variables from calling scope
         if ($scope != $tpl->scope) {
             if ($tpl->scope != Smarty::SCOPE_LOCAL) {
+                //We must get rid of pointers
                 unset($tpl->tpl_vars, $tpl->config_vars);
                 $tpl->tpl_vars = array();
                 $tpl->config_vars = array();
@@ -131,6 +126,21 @@ class Smarty_Internal_Runtime_SubTemplate
             $tpl->scope = $scope;
         }
 
+        if (!isset($this->tplObjects[$tpl->_getTemplateId()]) &&
+            !$tpl->source->handler->recompiled
+        ) {
+            // if template is called multiple times set flag to to cache template objects
+            $forceTplCache = $forceTplCache ||
+                (isset($this->subTplInfo[$tpl->template_resource]) && $this->subTplInfo[$tpl->template_resource] > 1);
+            // check if template object should be cached
+            if ($tpl->parent->_objType == 2 && isset($this->tplObjects[$tpl->parent->templateId]) ||
+                ($forceTplCache && $tpl->smarty->resource_cache_mode & Smarty::RESOURCE_CACHE_AUTOMATIC) ||
+                ($tpl->smarty->resource_cache_mode & Smarty::RESOURCE_CACHE_ON)
+            ) {
+                $this->tplObjects[$tpl->_getTemplateId()] = $tpl;
+            }
+        }
+
         if (!empty($data)) {
             // set up variable values
             foreach ($data as $_key => $_val) {
@@ -140,30 +150,37 @@ class Smarty_Internal_Runtime_SubTemplate
         return $tpl;
     }
 
-    public function updateTemplateCache(Smarty_Internal_Template $tpl, $forceTplCache)
+    /**
+     * Set source object of inline template by $uid
+     *
+     * @param \Smarty_Internal_Template $tpl
+     * @param  string                   $uid
+     *
+     * @throws \SmartyException
+     */
+    public function setSource(Smarty_Internal_Template $tpl, $uid = null)
     {
-        if (isset($tpl->smarty->_cache['template_objects'][$tpl->_getTemplateId()]) ||
-            $tpl->source->handler->recompiled
-        ) {
-            return;
-        }
-        // if template is called multiple times set flag to to cache template objects
-        $forceTplCache = $forceTplCache || (isset($tpl->compiled->includes[$tpl->template_resource]) &&
-                $tpl->compiled->includes[$tpl->template_resource] > 1);
-        // check if template object should be cached
-        if ((isset($tpl->parent->templateId) &&
-            isset($tpl->smarty->_cache['template_objects'][$tpl->parent->templateId]) ||
-            ($forceTplCache && $tpl->smarty->resource_cache_mode & Smarty::RESOURCE_CACHE_AUTOMATIC) ||
-            $tpl->smarty->resource_cache_mode & Smarty::RESOURCE_CACHE_ON)
-        ) {
-            $tpl->parent = null;
-            if ($tpl->scope != Smarty::SCOPE_LOCAL) {
-                unset($tpl->tpl_vars, $tpl->config_vars);
-                $tpl->scope = Smarty::SCOPE_LOCAL;
-            }
-            $tpl->tpl_vars = array();
-            $tpl->config_vars = array();
-            $tpl->smarty->_cache['template_objects'][$tpl->_getTemplateId()] = $tpl;
+        //load source
+        $tpl->source = null;
+        unset($tpl->compiled);
+        if (!isset($tpl->source)) {
+            $tpl->source = Smarty_Template_Source::load($tpl);
         }
     }
+
+    /**
+     * Get called subtemplates and its call count from compiled template
+     *
+     * @param \Smarty_Internal_Template $tpl
+     */
+    public function registerSubTemplates(Smarty_Internal_Template $tpl) {
+    foreach ($tpl->compiled->includes as $name => $count) {
+        if (isset($this->subTplInfo[$name])) {
+            $this->subTplInfo[$name] += $count;
+        } else {
+            $this->subTplInfo[$name] = $count;
+        }
+    }
+
+}
 }
diff --git a/libs/sysplugins/smarty_internal_template.php b/libs/sysplugins/smarty_internal_template.php
index 33939ad9..d1314058 100644
--- a/libs/sysplugins/smarty_internal_template.php
+++ b/libs/sysplugins/smarty_internal_template.php
@@ -123,7 +123,7 @@ class Smarty_Internal_Template extends Smarty_Internal_TemplateBase
      * @throws SmartyException
      * @return string rendered template output
      */
-    public function render($merge_tpl_vars = false, $no_output_filter = true, $display = null)
+    public function render($no_output_filter = true, $display = null)
     {
         $parentIsTpl = isset($this->parent) && $this->parent->_objType == 2;
         if ($this->smarty->debugging) {
@@ -138,36 +138,6 @@ class Smarty_Internal_Template extends Smarty_Internal_TemplateBase
             }
             throw new SmartyException("Unable to load template {$this->source->type} '{$this->source->name}'{$parent_resource}");
         }
-        $save_tpl_vars = null;
-        $save_config_vars = null;
-        // merge all variable scopes into template
-        if ($merge_tpl_vars) {
-            // save local variables
-            $save_tpl_vars = $this->tpl_vars;
-            $save_config_vars = $this->config_vars;
-            $ptr_array = array($this);
-            $ptr = $this;
-            while (isset($ptr->parent)) {
-                $ptr_array[] = $ptr = $ptr->parent;
-            }
-            $ptr_array = array_reverse($ptr_array);
-            $parent_ptr = reset($ptr_array);
-            $tpl_vars = $parent_ptr->tpl_vars;
-            $config_vars = $parent_ptr->config_vars;
-            while ($parent_ptr = next($ptr_array)) {
-                if (!empty($parent_ptr->tpl_vars)) {
-                    $tpl_vars = array_merge($tpl_vars, $parent_ptr->tpl_vars);
-                }
-                if (!empty($parent_ptr->config_vars)) {
-                    $config_vars = array_merge($config_vars, $parent_ptr->config_vars);
-                }
-            }
-            if (!empty(Smarty::$global_tpl_vars)) {
-                $tpl_vars = array_merge(Smarty::$global_tpl_vars, $tpl_vars);
-            }
-            $this->tpl_vars = $tpl_vars;
-            $this->config_vars = $config_vars;
-        }
         // check URL debugging control
         if (!$this->smarty->debugging && $this->smarty->debugging_ctrl == 'URL') {
             $this->smarty->_debug->debugUrl($this);
@@ -213,18 +183,8 @@ class Smarty_Internal_Template extends Smarty_Internal_TemplateBase
                 // debug output
                 $this->smarty->_debug->display_debug($this, true);
             }
-            if ($merge_tpl_vars) {
-                // restore local variables
-                $this->tpl_vars = $save_tpl_vars;
-                $this->config_vars = $save_config_vars;
-            }
             return '';
         } else {
-            if ($merge_tpl_vars) {
-                // restore local variables
-                $this->tpl_vars = $save_tpl_vars;
-                $this->config_vars = $save_config_vars;
-            }
             if ($this->smarty->debugging) {
                 $this->smarty->_debug->end_template($this);
                 if ($this->smarty->debugging == 2 and $display === false) {
diff --git a/libs/sysplugins/smarty_internal_templatebase.php b/libs/sysplugins/smarty_internal_templatebase.php
index d6ef0f89..1ecba224 100644
--- a/libs/sysplugins/smarty_internal_templatebase.php
+++ b/libs/sysplugins/smarty_internal_templatebase.php
@@ -88,18 +88,14 @@ abstract class Smarty_Internal_TemplateBase extends Smarty_Internal_Data
      * @param  mixed  $cache_id         cache id to be used with this template
      * @param  mixed  $compile_id       compile id to be used with this template
      * @param  object $parent           next higher level of Smarty variables
-     * @param  bool   $display          not used - left for BC
-     * @param  bool   $merge_tpl_vars   not used - left for BC
-     * @param  bool   $no_output_filter not used - left for BC
      *
      * @throws Exception
      * @throws SmartyException
      * @return string rendered template output
      */
-    public function fetch($template = null, $cache_id = null, $compile_id = null, $parent = null, $display = false,
-                          $merge_tpl_vars = true, $no_output_filter = false)
+    public function fetch($template = null, $cache_id = null, $compile_id = null, $parent = null)
     {
-        $result = $this->_execute($template, $cache_id, $compile_id, $parent, 'fetch');
+        $result = $this->_execute($template, $cache_id, $compile_id, $parent, 0);
         return $result === null ? ob_get_clean() : $result;
     }
 
@@ -114,7 +110,7 @@ abstract class Smarty_Internal_TemplateBase extends Smarty_Internal_Data
     public function display($template = null, $cache_id = null, $compile_id = null, $parent = null)
     {
         // display template
-        $this->_execute($template, $cache_id, $compile_id, $parent, 'display');
+        $this->_execute($template, $cache_id, $compile_id, $parent, 1);
     }
 
     /**
@@ -132,7 +128,7 @@ abstract class Smarty_Internal_TemplateBase extends Smarty_Internal_Data
      */
     public function isCached($template = null, $cache_id = null, $compile_id = null, $parent = null)
     {
-        return $this->_execute($template, $cache_id, $compile_id, $parent, 'isCached');
+        return $this->_execute($template, $cache_id, $compile_id, $parent, 2);
     }
 
     /**
@@ -142,7 +138,7 @@ abstract class Smarty_Internal_TemplateBase extends Smarty_Internal_Data
      * @param  mixed  $cache_id   cache id to be used with this template
      * @param  mixed  $compile_id compile id to be used with this template
      * @param  object $parent     next higher level of Smarty variables
-     * @param  string $function   function name
+     * @param  string $function  function type 0 = fetch,  1 = display, 2 = isCache
      *
      * @return mixed
      * @throws \Exception
@@ -177,7 +173,7 @@ abstract class Smarty_Internal_TemplateBase extends Smarty_Internal_Data
             $_smarty_old_error_level =
                 ($this->_objType == 1 && isset($smarty->error_reporting)) ? error_reporting($smarty->error_reporting) :
                     null;
-            if ($function == 'isCached') {
+            if ($function == 2) {
                 if ($template->caching) {
                     // return cache status of template
                     if (!isset($template->cached)) {
@@ -190,7 +186,16 @@ abstract class Smarty_Internal_TemplateBase extends Smarty_Internal_Data
                 }
             } else {
                 ob_start();
-                $result = $template->render(true, false, $function == 'display');
+                $save_tpl_vars = $template->tpl_vars;
+                $save_config_vars = $template->config_vars;
+                $template->_mergeVars();
+                if (!empty(Smarty::$global_tpl_vars)) {
+                    $template->tpl_vars = array_merge(Smarty::$global_tpl_vars, $template->tpl_vars);
+                }
+                $result = $template->render(false, $function);
+                // restore local variables
+                $template->tpl_vars = $save_tpl_vars;
+                $template->config_vars = $save_config_vars;
             }
             if (isset($_smarty_old_error_level)) {
                 error_reporting($_smarty_old_error_level);
diff --git a/libs/sysplugins/smarty_template_compiled.php b/libs/sysplugins/smarty_template_compiled.php
index 8cb29a64..1facc28f 100644
--- a/libs/sysplugins/smarty_template_compiled.php
+++ b/libs/sysplugins/smarty_template_compiled.php
@@ -152,24 +152,8 @@ class Smarty_Template_Compiled extends Smarty_Template_Resource_Base
                 $_template->smarty->compile_check = $compileCheck;
             }
         }
-        if (isset($_template->parent) && isset($_template->parent->compiled) &&
-            !empty($_template->parent->compiled->includes) &&
-            $_template->smarty->resource_cache_mode & Smarty::RESOURCE_CACHE_AUTOMATIC &&
-            !$_template->source->handler->recompiled && $_template->source->type != 'string' &&
-            (!isset($_template->smarty->_cache['template_objects']) ||
-                !isset($_template->smarty->_cache['template_objects'][$_template->_getTemplateId()]))
-        ) {
-            foreach ($_template->parent->compiled->includes as $key => $count) {
-                $_template->compiled->includes[$key] =
-                    isset($_template->compiled->includes[$key]) ? $_template->compiled->includes[$key] + $count :
-                        $count;
-            }
-            $key = $_template->source->type . ':' . $_template->source->name;
-            if (isset($_template->compiled->includes[$key]) && $_template->compiled->includes[$key] > 1) {
-                $_template->smarty->_cache['template_objects'][isset($_template->templateId) ? $_template->templateId :
-                    $_template->_getTemplateId()] = $_template;
-            }
-        }
+        $_template->smarty->ext->_subTemplate->registerSubTemplates($_template);
+
         $this->processed = true;
     }