Job-Planning: implement handling of deadlines for prerequisites

...simple implementation ...decide *not* to cache the deadlines for now (possibly quadratic!) ...Test GREEN
2023-06-19 18:28:01 +02:00 · 2023-06-19 18:28:01 +02:00 · 848bb6fb86
commit 848bb6fb86
parent b8309e5565
4 changed files with 73 additions and 87 deletions
--- a/src/steam/engine/job-planning.hpp
+++ b/src/steam/engine/job-planning.hpp
@ -56,8 +56,6 @@
 ** the stack level above). See the [IterExplorer unit test](\ref lib::IterTreeExplorer_test::verify_expandOperation)
 ** to understand this recursive on-demand processing in greater detail.
 ** 
- ** @warning as of 4/2023 a complete rework of the Dispatcher is underway ///////////////////////////////////////////TICKET #1275
- ** 
 ** @see JobPlanning_test
 ** @see JobTicket
 ** @see Dispatcher
@ -78,7 +76,6 @@
 #include "lib/time/timevalue.hpp"
 #include "lib/itertools.hpp"
 #include "lib/nocopy.hpp"
-#include "lib/util.hpp"



@ -91,8 +88,6 @@ namespace engine {
  using play::Timings;
  using lib::time::Time;
  using lib::time::Duration;
-  using util::unConst;
-  using util::isnil;
  
  
  
@ -108,8 +103,6 @@ namespace engine {
   * persisted (other then in the job to be created). The implementation draws
   * on a recursive exploration of the corresponding JobTicket, which acts as
   * a general blueprint for creating jobs within this segment of the timeline.
-   * 
-   * @todo WIP-WIP 6/2023 reworking the job-planning pipeline for »PlaybackVerticalSlice«
   */
  class JobPlanning
    : util::MoveOnly
@ -159,8 +152,7 @@ namespace engine {
              return Time::ANYTIME;
            
            case play::TIMEBOUND:
-              return timings.getTimeDue(frameNr_)
-                   - totalLatency(timings);
+              return doCalcDeadline (timings);
            }
          NOTREACHED ("unexpected playbackUrgency");
        }
@ -229,6 +221,14 @@ namespace engine {
               + timings.outputLatency;
        }
      
+      Time
+      doCalcDeadline(Timings const& timings)
+        {
+          Time anchor = isTopLevel()? timings.getTimeDue(frameNr_)
+                                    : dependentPlan_->determineDeadline (timings);       ////////////////////TICKET #1310 : quadratic in the depth of the dependency chain
+          return anchor
+               - totalLatency(timings);
+        }
      
 #if false /////////////////////////////////////////////////////////////////////////////////////////////////////////////TICKET #1276 :: to be refactored...
 /////////////////////////////////////////////////////////////////////////////////////////////////////////////TICKET #1301 : likely to become obsolete  
--- a/tests/47engine.tests
+++ b/tests/47engine.tests
@ -49,11 +49,14 @@ return: 0
 END


-PLANNED "Render job planning calculation" JobPlanning_test <<END
+TEST "Render job planning calculation" JobPlanning_test <<END
 out-lit: Frame #5 @ ∆200ms
 out-lit: real-time-origin : 0:05:00.000
 out-lit: total latency    : ≺52ms≻
 out-lit: deadline         : 0:05:00.148
+out-lit: Prerequisite......
+out-lit: latency          : ≺52ms≻
+out-lit: deadline         : 0:05:00.096
 return: 0
 END

--- a/tests/core/steam/engine/job-planning-test.cpp
+++ b/tests/core/steam/engine/job-planning-test.cpp
@ -22,38 +22,21 @@

 /** @file job-planning-test.cpp
 ** unit test \ref JobPlanning_test
- ** 
- ** @warning as of 4/2023 a complete rework of the Dispatcher is underway ///////////////////////////////////////////TICKET #1275
 */


 #include "lib/test/run.hpp"
-#include "lib/error.hpp"
-
-//#include "steam/engine/procnode.hpp"
-//#include "steam/play/dummy-play-connection.hpp"
-//#include "steam/mobject/model-port.hpp"
 #include "steam/engine/mock-dispatcher.hpp"
 #include "steam/play/timings.hpp"
 #include "lib/time/timevalue.hpp"
-//#include "lib/time/timequant.hpp"
-#include "lib/format-cout.hpp" ///////////////TODO
-//#include "lib/depend.hpp"
-//#include "lib/itertools.hpp"
-//#include "lib/util-coll.hpp"
+#include "lib/format-cout.hpp"
 #include "lib/util.hpp"

-//#include <functional>
-//#include <vector>
 #include <utility>

 using test::Test;
-//using util::isnil;
-//using util::last;
-//using std::vector;
-//using std::function;
-//using std::rand;
 using std::move;
+using util::isSameObject;


 namespace steam {
@ -61,29 +44,9 @@ namespace engine{
 namespace test  {
  
  using lib::time::FrameRate;
-//  using lib::time::Duration;
  using lib::time::Offset;
-//  using lib::time::TimeVar;
  using lib::time::Time;
-//  using mobject::ModelPort;
  using play::Timings;
-  using util::isSameObject;
-  
-  namespace { // used internally
-    
-    
-//    ModelPort
-//    getTestPort()
-//    {
-//      return mockDispatcher().provideMockModelPort();
-//    }
-    
-    
-  } // (End) internal defs
-#if false /////////////////////////////////////////////////////////////////////////////////////////////////////////////UNIMPLEMENTED :: TICKET #1301
-#endif    /////////////////////////////////////////////////////////////////////////////////////////////////////////////UNIMPLEMENTED :: TICKET #1301
-  
-  
  
  
  
@ -92,7 +55,6 @@ namespace test  {
  /***************************************************************//**
   * @test document and verify the data aggregation and the calculations
   *       necessary to prepare render jobs for scheduling.
-   * @todo WIP-WIP 6/2023
   */
  class JobPlanning_test : public Test
    {
@ -194,7 +156,7 @@ namespace test  {
          JobTicket& ticket = dispatcher.getJobTicketFor(portIDX, nominalTime);
          JobTicket& prereq = *(ticket.getPrerequisites());                         // pick up the (only) prerequisite
          
-          JobPlanning masterPlan{ticket,nominalTime,frameNr};
+          JobPlanning masterPlan{ticket,nominalTime,frameNr};                       // the job plan for the master frame calculation
          JobPlanning prereqPlan{move(*(masterPlan.buildDependencyPlanning() ))};   // build a plan for calculating the prerequisite
          
          CHECK (isSameObject(ticket, masterPlan.ticket()));
--- a/wiki/thinkPad.ichthyo.mm
+++ b/wiki/thinkPad.ichthyo.mm
@ -75720,20 +75720,20 @@ Date:&#160;&#160;&#160;Thu Apr 20 18:53:17 2023 +0200<br/>
 <node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1686840707781" ID="ID_886260955" MODIFIED="1686840740791" TEXT="nur die ExitNode wei&#xdf; im Detail, wie die Ausf&#xfc;hrung auszul&#xf6;sen ist">
 <icon BUILTIN="flag-yellow"/>
 </node>
-<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1685034304654" ID="ID_187208942" MODIFIED="1686839878645" TEXT="JobPlanning">
-<linktarget COLOR="#e14d4a" DESTINATION="ID_187208942" ENDARROW="Default" ENDINCLINATION="-864;159;" ID="Arrow_ID_426419648" SOURCE="ID_288857114" STARTARROW="None" STARTINCLINATION="1065;0;"/>
-<icon BUILTIN="flag-yellow"/>
-<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1685052158905" ID="ID_298268641" MODIFIED="1685802456361" TEXT="ist eine State-Facade f&#xfc;r den aktuellen Planungs-Stand">
+<node COLOR="#338800" CREATED="1685034304654" ID="ID_187208942" MODIFIED="1687191797464" TEXT="JobPlanning">
+<linktarget COLOR="#5a459d" DESTINATION="ID_187208942" ENDARROW="Default" ENDINCLINATION="-864;159;" ID="Arrow_ID_426419648" SOURCE="ID_288857114" STARTARROW="None" STARTINCLINATION="1067;-60;"/>
+<icon BUILTIN="button_ok"/>
+<node COLOR="#435e98" CREATED="1685052158905" ID="ID_298268641" MODIFIED="1687191693244" TEXT="ist eine State-Facade f&#xfc;r den aktuellen Planungs-Stand">
 <icon BUILTIN="yes"/>
-<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1685802434530" ID="ID_84580124" MODIFIED="1685802448802" TEXT="f&#xfc;gt die DataSink(Handle) hinzu">
-<icon BUILTIN="flag-yellow"/>
+<node COLOR="#338800" CREATED="1685052155282" ID="ID_1374932582" MODIFIED="1687191730982" TEXT="verlinkt auf Frame-Nr und nominalTime">
+<icon BUILTIN="button_ok"/>
 </node>
-<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1685052155282" ID="ID_1374932582" MODIFIED="1685802461544" TEXT="f&#xfc;gt die FrameCoord hinzu">
-<icon BUILTIN="flag-yellow"/>
+<node BACKGROUND_COLOR="#d2beaf" COLOR="#5c4d6e" CREATED="1685802434530" ID="ID_84580124" MODIFIED="1687191738145" TEXT="f&#xfc;gt die DataSink(Handle) hinzu">
+<icon BUILTIN="hourglass"/>
 </node>
 </node>
-<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1686793407407" ID="ID_194609603" MODIFIED="1686793411216" TEXT="Erzeugung">
-<icon BUILTIN="flag-yellow"/>
+<node COLOR="#338800" CREATED="1686793407407" FOLDED="true" ID="ID_194609603" MODIFIED="1687191688480" TEXT="Erzeugung">
+<icon BUILTIN="button_ok"/>
 <node COLOR="#435e98" CREATED="1686840957950" ID="ID_845216336" MODIFIED="1686867992404" TEXT="ben&#xf6;tigte Daten">
 <icon BUILTIN="info"/>
 <node CREATED="1686840974924" ID="ID_652755563" MODIFIED="1686840977248" TEXT="FrameCoord">
@ -75751,12 +75751,12 @@ Date:&#160;&#160;&#160;Thu Apr 20 18:53:17 2023 +0200<br/>
 <node BACKGROUND_COLOR="#e0ceaa" COLOR="#690f14" CREATED="1686868079216" ID="ID_20062168" MODIFIED="1686868093219" TEXT="Builder">
 <icon BUILTIN="forward"/>
 </node>
-<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1686868094902" ID="ID_1505078713" MODIFIED="1686868116317" TEXT="&#x27f9; Timing-Berechnungen erfolgen erst bei Bedarf"/>
+<node COLOR="#435e98" CREATED="1686868094902" ID="ID_1505078713" MODIFIED="1687191655603" TEXT="&#x27f9; Timing-Berechnungen erfolgen erst bei Bedarf"/>
 </node>
 </node>
-<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1686793412168" ID="ID_566542363" MODIFIED="1686793437280" TEXT="Deadline festsetzen">
-<icon BUILTIN="flag-yellow"/>
-<node COLOR="#338800" CREATED="1686793444999" ID="ID_890638508" MODIFIED="1686964333735" TEXT="einfacher Job">
+<node COLOR="#338800" CREATED="1686793412168" ID="ID_566542363" MODIFIED="1687191659953" TEXT="Deadline festsetzen">
+<icon BUILTIN="button_ok"/>
+<node COLOR="#338800" CREATED="1686793444999" FOLDED="true" ID="ID_890638508" MODIFIED="1686964333735" TEXT="einfacher Job">
 <icon BUILTIN="button_ok"/>
 <node COLOR="#435e98" CREATED="1686873856076" ID="ID_1099231430" MODIFIED="1686964330736" TEXT="eigentlich liegt das Wissen dar&#xfc;ber im JobFunktor">
 <arrowlink COLOR="#a56c6d" DESTINATION="ID_1464401657" ENDARROW="Default" ENDINCLINATION="-74;-579;" ID="Arrow_ID_1368232066" STARTARROW="None" STARTINCLINATION="933;50;"/>
@ -75766,8 +75766,8 @@ Date:&#160;&#160;&#160;Thu Apr 20 18:53:17 2023 +0200<br/>
 <node COLOR="#338800" CREATED="1686874325457" ID="ID_1367759543" MODIFIED="1686878348271" TEXT="in ExitNode">
 <icon BUILTIN="button_ok"/>
 </node>
-<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1686874330784" ID="ID_1065139085" MODIFIED="1686874366808" TEXT="und dort per Test-Spec aus dem Mock injizieren">
-<icon BUILTIN="flag-yellow"/>
+<node BACKGROUND_COLOR="#d2beaf" COLOR="#5c4d6e" CREATED="1686874330784" ID="ID_1065139085" MODIFIED="1687191647885" TEXT="und dort per Test-Spec aus dem Mock injizieren">
+<icon BUILTIN="hourglass"/>
 </node>
 </node>
 </node>
@ -75809,18 +75809,18 @@ Date:&#160;&#160;&#160;Thu Apr 20 18:53:17 2023 +0200<br/>
 <node CREATED="1686963873774" ID="ID_1368816821" MODIFIED="1686963903814" TEXT="wird also au&#xdf;erhalb der Dispatcher-Pipeline verwaltet">
 <icon BUILTIN="forward"/>
 </node>
-<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1686963884292" ID="ID_713008551" MODIFIED="1686963926980" TEXT="dann wohl im CalcStream">
+<node BACKGROUND_COLOR="#e0ceaa" COLOR="#690f14" CREATED="1686963884292" ID="ID_713008551" MODIFIED="1687191640923" TEXT="dann wohl im CalcStream">
 <icon BUILTIN="yes"/>
 </node>
 </node>
 </node>
 </node>
-<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1686793449011" ID="ID_1790599874" MODIFIED="1686793453060" TEXT="abh&#xe4;ngiger Job">
-<icon BUILTIN="flag-yellow"/>
-<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1686964367620" ID="ID_673983932" MODIFIED="1686964434017" TEXT="braucht Deadline des unmittelbar abh&#xe4;ngigen Nachfolger-Jobs">
+<node COLOR="#338800" CREATED="1686793449011" FOLDED="true" ID="ID_1790599874" MODIFIED="1687191683372" TEXT="abh&#xe4;ngiger Job">
+<icon BUILTIN="button_ok"/>
+<node COLOR="#435e98" CREATED="1686964367620" ID="ID_673983932" MODIFIED="1687191633500" TEXT="braucht Deadline des unmittelbar abh&#xe4;ngigen Nachfolger-Jobs">
 <icon BUILTIN="yes"/>
 </node>
-<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1686964642887" ID="ID_1372706833" MODIFIED="1686964706541" TEXT="verwende diese anstelle der erwarteten real-Grid-Time">
+<node COLOR="#435e98" CREATED="1686964642887" ID="ID_1372706833" MODIFIED="1687191631837" TEXT="verwende diese anstelle der erwarteten real-Grid-Time">
 <icon BUILTIN="idea"/>
 </node>
 <node BACKGROUND_COLOR="#e0ceaa" COLOR="#690f14" CREATED="1686965001287" ID="ID_1948616906" MODIFIED="1687137549677">
@ -76190,32 +76190,49 @@ Date:&#160;&#160;&#160;Thu Apr 20 18:53:17 2023 +0200<br/>
 <icon BUILTIN="button_ok"/>
 </node>
 </node>
-<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1687137618239" ID="ID_1445585564" MODIFIED="1687137626846" TEXT="Verkettung der Deadlines implementieren">
-<icon BUILTIN="flag-yellow"/>
-<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1687044201408" ID="ID_1507798641" MODIFIED="1687137690544" TEXT="die Deadline sollte man als Wert speichern (caching)">
+<node COLOR="#338800" CREATED="1687137618239" ID="ID_1445585564" MODIFIED="1687191627752" TEXT="Verkettung der Deadlines implementieren">
+<icon BUILTIN="button_ok"/>
+<node BACKGROUND_COLOR="#d2beaf" COLOR="#5c4d6e" CREATED="1687044201408" ID="ID_1507798641" MODIFIED="1687188666784" TEXT="die Deadline sollte man als Wert speichern (caching)">
 <richcontent TYPE="NOTE"><html>
  <head>
    
  </head>
  <body>
    <p>
-      ...denn sonst w&#252;rde es genau zu rekursiven kaskadierenden (exponentiell aufwendigen) Aufrufen der Deadline-Berechnungs-Logik kommen; um das Caching zu steuern, kann ich einen Marker-Wert Time::NEVER verwenden
+      ...denn sonst w&#252;rde es genau zu rekursiven kaskadierenden (quadratisch aufwendigen) Aufrufen der Deadline-Berechnungs-Logik kommen; um das Caching zu steuern, kann ich einen Marker-Wert Time::NEVER verwenden
    </p>
  </body>
 </html></richcontent>
 <arrowlink COLOR="#e42d77" DESTINATION="ID_1561329377" ENDARROW="Default" ENDINCLINATION="361;27;" ID="Arrow_ID_242786471" STARTARROW="None" STARTINCLINATION="481;-20;"/>
 <icon BUILTIN="messagebox_warning"/>
+<icon BUILTIN="hourglass"/>
+<node BACKGROUND_COLOR="#e0ceaa" COLOR="#690f14" CREATED="1687188669884" HGAP="30" ID="ID_419509522" MODIFIED="1687191103504" TEXT="ja .... aber YAGNI" VSHIFT="15">
+<linktarget COLOR="#955173" DESTINATION="ID_419509522" ENDARROW="Default" ENDINCLINATION="-1499;205;" ID="Arrow_ID_1313834873" SOURCE="ID_503672803" STARTARROW="None" STARTINCLINATION="-455;22;"/>
+<icon BUILTIN="yes"/>
 </node>
-<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1687137710306" ID="ID_1967222999" MODIFIED="1687137719434" TEXT="Refactoring: Berechnung symmetrisch machen">
-<icon BUILTIN="flag-yellow"/>
+<node CREATED="1687188700992" HGAP="30" ID="ID_1176783672" MODIFIED="1687188838995" TEXT="die ersten paar sind billig, und die Kosten sind nicht klar" VSHIFT="2">
+<richcontent TYPE="NOTE"><html>
+  <head>
+    
+  </head>
+  <body>
+    <p>
+      Ich kann mir nicht vorstellen, da&#223; die gro&#223;e Mehrheit der Jobs mehr als eine Prerequisite bekommt...&#160;&#160;der Aufwand ist n/2 * (n+1), das bringt uns erst mal solange nicht um (bis es uns nachweislich umbringt...)
+    </p>
+  </body>
+</html></richcontent>
+</node>
+</node>
+<node COLOR="#338800" CREATED="1687137710306" ID="ID_1967222999" MODIFIED="1687191110809" TEXT="Refactoring: Berechnung symmetrisch machen">
+<icon BUILTIN="button_ok"/>
 <node CREATED="1687137733390" ID="ID_1496251627" MODIFIED="1687137744225" TEXT="top-Level: Deadline stammt von den Timings"/>
 <node CREATED="1687137744907" ID="ID_348107888" MODIFIED="1687137759424" TEXT="Prerequisite: Deadline stammt vom dependent Plan"/>
 </node>
 </node>
 </node>
 </node>
-<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1686840122729" ID="ID_1592165499" MODIFIED="1686840132630" TEXT="Ergebnis">
-<icon BUILTIN="flag-yellow"/>
+<node COLOR="#338800" CREATED="1686840122729" ID="ID_1592165499" MODIFIED="1687191673155" TEXT="Ergebnis">
+<icon BUILTIN="button_ok"/>
 <node COLOR="#435e98" CREATED="1686840134669" ID="ID_1671465923" MODIFIED="1686840507523" TEXT="Form?">
 <icon BUILTIN="help"/>
 <node COLOR="#5b280f" CREATED="1686840163409" ID="ID_936153920" MODIFIED="1686840418535" TEXT="per direkter Konversion">
@ -76301,8 +76318,8 @@ Date:&#160;&#160;&#160;Thu Apr 20 18:53:17 2023 +0200<br/>
 </node>
 </node>
 </node>
-<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1686875085793" ID="ID_922531661" MODIFIED="1686875092431" TEXT="determineLeeway">
-<icon BUILTIN="flag-yellow"/>
+<node BACKGROUND_COLOR="#d2beaf" COLOR="#5c4d6e" CREATED="1686875085793" ID="ID_922531661" MODIFIED="1687191669854" TEXT="determineLeeway">
+<icon BUILTIN="hourglass"/>
 <node CREATED="1686874949274" ID="ID_1842763016" MODIFIED="1686875271688">
 <richcontent TYPE="NODE"><html>
  <head>
@ -76747,14 +76764,14 @@ Date:&#160;&#160;&#160;Thu Apr 20 18:53:17 2023 +0200<br/>
 <icon BUILTIN="pencil"/>
 </node>
 </node>
-<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1686839683285" ID="ID_36707137" MODIFIED="1686839686828" TEXT="JobPlanning">
-<icon BUILTIN="flag-yellow"/>
+<node BACKGROUND_COLOR="#eef0c5" COLOR="#990000" CREATED="1686839683285" ID="ID_36707137" MODIFIED="1687191788043" TEXT="JobPlanning">
+<icon BUILTIN="pencil"/>
 <node COLOR="#5b280f" CREATED="1686839707718" ID="ID_608495626" MODIFIED="1686839807822" TEXT="1.Entwurf (Monaden)">
 <arrowlink COLOR="#596573" DESTINATION="ID_181262071" ENDARROW="Default" ENDINCLINATION="336;992;" ID="Arrow_ID_1922586461" STARTARROW="None" STARTINCLINATION="253;-27;"/>
 <icon BUILTIN="button_cancel"/>
 </node>
-<node BACKGROUND_COLOR="#eef0c5" COLOR="#990000" CREATED="1686839823154" ID="ID_288857114" MODIFIED="1686839878645" TEXT="&#xdc;berarbeitung (&#xbb;PlaybackVerticalSlice&#xab;)">
-<arrowlink COLOR="#e14d4a" DESTINATION="ID_187208942" ENDARROW="Default" ENDINCLINATION="-864;159;" ID="Arrow_ID_426419648" STARTARROW="None" STARTINCLINATION="1065;0;"/>
+<node BACKGROUND_COLOR="#eef0c5" COLOR="#990000" CREATED="1686839823154" ID="ID_288857114" MODIFIED="1687191778565" TEXT="&#xdc;berarbeitung (&#xbb;PlaybackVerticalSlice&#xab;)">
+<arrowlink COLOR="#5a459d" DESTINATION="ID_187208942" ENDARROW="Default" ENDINCLINATION="-864;159;" ID="Arrow_ID_426419648" STARTARROW="None" STARTINCLINATION="1067;-60;"/>
 <icon BUILTIN="pencil"/>
 </node>
 <node CREATED="1686839910080" ID="ID_713870050" MODIFIED="1686839917267" TEXT="Aufbau">
@ -86847,7 +86864,7 @@ class Something
 </node>
 </node>
 </node>
-<node BACKGROUND_COLOR="#d2beaf" COLOR="#5c4d6e" CREATED="1664730709910" FOLDED="true" ID="ID_532850171" MODIFIED="1664731043947" TEXT="Performance">
+<node BACKGROUND_COLOR="#d2beaf" COLOR="#5c4d6e" CREATED="1664730709910" FOLDED="true" ID="ID_532850171" MODIFIED="1687191026011" TEXT="Performance">
 <icon BUILTIN="hourglass"/>
 <node BACKGROUND_COLOR="#d2beaf" COLOR="#5c4d6e" CREATED="1664730715885" ID="ID_1774914566" MODIFIED="1664731036535" TEXT="GUI">
 <arrowlink COLOR="#6e6b89" DESTINATION="ID_580266574" ENDARROW="Default" ENDINCLINATION="-1072;126;" ID="Arrow_ID_1760515184" STARTARROW="None" STARTINCLINATION="-1832;638;"/>
@ -86859,6 +86876,10 @@ class Something
 </node>
 <node BACKGROUND_COLOR="#d2beaf" COLOR="#5c4d6e" CREATED="1664730718511" ID="ID_1773381955" MODIFIED="1664730727367" TEXT="Engine">
 <icon BUILTIN="hourglass"/>
+<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1687190990795" ID="ID_503672803" MODIFIED="1687191103504" TEXT="#1310 investigate job-planning and scheduling overhead">
+<arrowlink COLOR="#955173" DESTINATION="ID_419509522" ENDARROW="Default" ENDINCLINATION="-1499;205;" ID="Arrow_ID_1313834873" STARTARROW="None" STARTINCLINATION="-455;22;"/>
+<icon BUILTIN="flag-yellow"/>
+</node>
 </node>
 <node BACKGROUND_COLOR="#d2beaf" COLOR="#5c4d6e" CREATED="1664730722868" ID="ID_1536097796" MODIFIED="1664730727368" TEXT="Session">
 <icon BUILTIN="hourglass"/>