update slides

slides/pages/recap.md

@@ -10,6 +10,7 @@ layout: center
 - Concurrency vs Parallelism 
 - Concurrent programming vs parallel programming
 - Programming with shared memory vs message passing
+- Shared Memory Computer: UMA vs NUMA
 
 ---
 title: Recap II
@@ -58,6 +59,20 @@ Details about OpenMP support in compilers can be found with the following links:
 
 You can also take a look at [OpenMP reference cards](https://www.openmp.org/resources/refguides/).
 
+
+---
+title: OpenMP Model
+---
+
+## Fork-Join Model
+
+<div class="container flex justify-center mt-10 mb-10">
+    <img src="/images/fork-join-model.png" class="block w-lg"/>
+</div>
+
+- Master thread spawns a team of threads as needed.
+- Parallelism added incrementally until performance goals are met: i.e. the sequential program evolves into a parallel program. 
+
 ---
 title: OpenMP II
 ---