From 0b55fb7d906fcb8b2ac4dcb4f30ec713aeb6be24 Mon Sep 17 00:00:00 2001
From: "Boyarinov, Konstantin" <konstantin.boyarinov@intel.com>
Date: Fri, 3 Oct 2025 18:06:59 +0300
Subject: [PATCH 1/2] Introduce new constructor to key matching join_node

---
 .../source/flow_graph/join_node_cls.rst       | 46 +++----------------
 1 file changed, 6 insertions(+), 40 deletions(-)

diff --git a/source/elements/oneTBB/source/flow_graph/join_node_cls.rst b/source/elements/oneTBB/source/flow_graph/join_node_cls.rst
index 8b4e0737b4..50274f54df 100644
--- a/source/elements/oneTBB/source/flow_graph/join_node_cls.rst
+++ b/source/elements/oneTBB/source/flow_graph/join_node_cls.rst
@@ -40,26 +40,8 @@ tuple to all of its successors.
             explicit join_node( graph &g );
             join_node( const join_node &src );
 
-            template<typename B0, typename B1>
-            join_node( graph &g, B0 b0, B1 b1 );
-            template<typename B0, typename B1, typename B2>
-            join_node( graph &g, B0 b0, B1 b1, B2 b2 );
-            template<typename B0, typename B1, typename B2, typename B3>
-            join_node( graph &g, B0 b0, B1 b1, B2 b2, B3 b3 );
-            template<typename B0, typename B1, typename B2, typename B3, typename B4>
-            join_node( graph &g, B0 b0, B1 b1, B2 b2, B3 b3, B4 b4 );
-            template<typename B0, typename B1, typename B2, typename B3, typename B5>
-            join_node( graph &g, B0 b0, B1 b1, B2 b2, B3 b3, B4 b4, B5 b5 );
-            template<typename B0, typename B1, typename B2, typename B3, typename B5, typename B6>
-            join_node( graph &g, B0 b0, B1 b1, B2 b2, B3 b3, B4 b4, B5 b5, B6 b6 );
-            template<typename B0, typename B1, typename B2, typename B3, typename B5, typename B6, typename B6>
-            join_node( graph &g, B0 b0, B1 b1, B2 b2, B3 b3, B4 b4, B5 b5, B6 b6, B7 b7 );
-            template<typename B0, typename B1, typename B2, typename B3, typename B5, typename B6, typename B7>
-            join_node( graph &g, B0 b0, B1 b1, B2 b2, B3 b3, B4 b4, B5 b5, B6 b6, B7 b7 );
-            template<typename B0, typename B1, typename B2, typename B3, typename B5, typename B6, typename B7, typename B8>
-            join_node( graph &g, B0 b0, B1 b1, B2 b2, B3 b3, B4 b4, B5 b5, B6 b6, B7 b7, B8 b8 );
-            template<typename B0, typename B1, typename B2, typename B3, typename B5, typename B6, typename B7, typename B8, typename B9>
-            join_node( graph &g, B0 b0, B1 b1, B2 b2, B3 b3, B4 b4, B5 b5, B6 b6, B7 b7, B8 b8, B9 b9 );
+            template <typename B0, typename... BN>
+            join_node( graph &g, B0 b0, BN... bn );
 
             input_ports_type &input_ports( );
 
@@ -119,32 +101,16 @@ Constructs an empty ``join_node`` that belongs to the graph ``g``.
 
 .. code:: cpp
 
-    template<typename B0, typename B1>
-    join_node( graph &g, B0 b0, B1 b1 );
-    template<typename B0, typename B1, typename B2>
-    join_node( graph &g, B0 b0, B1 b1, B2 b2 );
-    template<typename B0, typename B1, , typename B2, typename B3>
-    join_node( graph &g, B0 b0, B1 b1, B2 b2, B3 b3 );
-    template<typename B0, typename B1, , typename B2, typename B3, typename B4>
-    join_node( graph &g, B0 b0, B1 b1, B2 b2, B3 b3, B4 b4 );
-    template<typename B0, typename B1, , typename B2, typename B3, typename B5>
-    join_node( graph &g, B0 b0, B1 b1, B2 b2, B3 b3, B4 b4, B5 b5 );
-    template<typename B0, typename B1, , typename B2, typename B3, typename B5, typename B6>
-    join_node( graph &g, B0 b0, B1 b1, B2 b2, B3 b3, B4 b4, B5 b5, B6 b6 );
-    template<typename B0, typename B1, , typename B2, typename B3, typename B5, typename B6, typename B6>
-    join_node( graph &g, B0 b0, B1 b1, B2 b2, B3 b3, B4 b4, B5 b5, B6 b6, B7 b7 );
-    template<typename B0, typename B1, , typename B2, typename B3, typename B5, typename B6, typename B7>
-    join_node( graph &g, B0 b0, B1 b1, B2 b2, B3 b3, B4 b4, B5 b5, B6 b6, B7 b7 );
-    template<typename B0, typename B1, , typename B2, typename B3, typename B5, typename B6, typename B7, typename B8>
-    join_node( graph &g, B0 b0, B1 b1, B2 b2, B3 b3, B4 b4, B5 b5, B6 b6, B7 b7, B8 b8 );
-    template<typename B0, typename B1, , typename B2, typename B3, typename B5, typename B6, typename B7, typename B8, typename B9>
-    join_node( graph &g, B0 b0, B1 b1, B2 b2, B3 b3, B4 b4, B5 b5, B6 b6, B7 b7, B8 b8, B9 b9 );
+    template <typename B0, typename B1, typename... BN>
+    join_node( graph &g, B0 b0, B1 b1, BN... bn );
 
 A constructor only available in the ``key_matching`` specialization of ``join_node``.
 
 Creates a ``join_node`` that uses the function objects ``b0``, ``b1``, ... , ``bN`` to determine
 the tags for the input ports ``0`` through ``N``.
 
+**Constraints:**: only participates in overload resolution if ``std::tuple_size<OutputTuple>::value`` is ``2 + sizeof...(BN)``.
+
 .. caution::
 
     Function objects passed to the join_node constructor must not

From 0b85538c0117499417ad0f2c0fabab82bb62f750 Mon Sep 17 00:00:00 2001
From: "Boyarinov, Konstantin" <konstantin.boyarinov@intel.com>
Date: Thu, 16 Oct 2025 18:27:35 +0300
Subject: [PATCH 2/2] Align description and synopsis

---
 .../elements/oneTBB/source/flow_graph/join_node_cls.rst   | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/source/elements/oneTBB/source/flow_graph/join_node_cls.rst b/source/elements/oneTBB/source/flow_graph/join_node_cls.rst
index 50274f54df..9121f93946 100644
--- a/source/elements/oneTBB/source/flow_graph/join_node_cls.rst
+++ b/source/elements/oneTBB/source/flow_graph/join_node_cls.rst
@@ -101,15 +101,15 @@ Constructs an empty ``join_node`` that belongs to the graph ``g``.
 
 .. code:: cpp
 
-    template <typename B0, typename B1, typename... BN>
-    join_node( graph &g, B0 b0, B1 b1, BN... bn );
+    template <typename B0, typename... BN>
+    join_node( graph &g, B0 b0, BN... bn );
 
 A constructor only available in the ``key_matching`` specialization of ``join_node``.
 
-Creates a ``join_node`` that uses the function objects ``b0``, ``b1``, ... , ``bN`` to determine
+Creates a ``join_node`` that uses the function objects ``b0``, ... , ``bN`` to determine
 the tags for the input ports ``0`` through ``N``.
 
-**Constraints:**: only participates in overload resolution if ``std::tuple_size<OutputTuple>::value`` is ``2 + sizeof...(BN)``.
+**Constraints:**: only participates in overload resolution if ``std::tuple_size<OutputTuple>::value`` is ``1 + sizeof...(BN)``.
 
 .. caution::