diff --git a/.github/workflows/ci_test.yaml b/.github/workflows/ci_test.yaml
index 0d0fb695eac7403a462a26fce9ec324f727abcd0..008a78cefde59e9514900abe7ab1b91e8866b6bd 100644
--- a/.github/workflows/ci_test.yaml
+++ b/.github/workflows/ci_test.yaml
@@ -5,8 +5,9 @@ on:
 jobs:
     ci_test:
         strategy:
+            fail-fast: false
             matrix:
-                os: [ubuntu-latest]
+                os: [ubuntu-latest, macos-latest]
         runs-on: ${{matrix.os}}
         steps:
             - name: CPU Info Mac
@@ -49,14 +50,26 @@ jobs:
               shell: bash
               working-directory: ${{runner.workspace}}/graph_framework/build
               run: cmake ${{runner.workspace}}/graph_framework
-            - name: Build
+            - name: Build Mac
+              if: ${{matrix.os == 'macos-latest'}}
               shell: bash
               working-directory: ${{runner.workspace}}/graph_framework/build
               run: make -j3 VERBOSE=1
-            - name: Test
+            - name: Build Linux
+              if: ${{matrix.os == 'ubuntu-latest'}}
+              shell: bash
+              working-directory: ${{runner.workspace}}/graph_framework/build
+              run: make -j2 VERBOSE=1
+            - name: Test Mac
+              if: ${{matrix.os == 'macos-latest'}}
               shell: bash
               working-directory: ${{runner.workspace}}/graph_framework/build
               run: make test ARGS=-j3
+            - name: Test Linux
+              if: ${{matrix.os == 'ubuntu-latest'}}
+              shell: bash
+              working-directory: ${{runner.workspace}}/graph_framework/build
+              run: make test ARGS=-j2
             - name: Show Log
               if: failure()
               shell: bash
diff --git a/README.md b/README.md
index fb7d55674893c690bcb4b4f0fec61d23b2dbdffa..055dcd90cf8ede27ed312513a46fa735bc5571bc 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,8 @@
 differentiation. It is designed to allow domain scientists to create cross 
 platform GPU accelerated code and embed those codes in existing legacy tools.
 
+[![Continuous Integration Test](https://github.com/ORNL-Fusion/graph_framework/actions/workflows/ci_test.yaml/badge.svg?branch=main)](https://github.com/ORNL-Fusion/graph_framework/actions/workflows/ci_test.yaml)
+
 ## Documentation
 [graph_framework-docs](https://ornl-fusion.github.io/graph_framework-docs) 
 Documentation for the graph_framework.
diff --git a/graph_framework/cpu_context.hpp b/graph_framework/cpu_context.hpp
index fc210b46aafa40f032f0edff0c6a97064e1d23e3..76fb3130d2a4a8759ed04d07bce8ca19e2f322e5 100644
--- a/graph_framework/cpu_context.hpp
+++ b/graph_framework/cpu_context.hpp
@@ -398,8 +398,9 @@ namespace gpu {
 ///  @param[in,out] source_buffer Source buffer stream.
 //------------------------------------------------------------------------------
         void create_header(std::ostringstream &source_buffer) {
-            source_buffer << "#include <map>" << std::endl
-                          << "#include <array>" << std::endl;
+            source_buffer << "#include <map>"     << std::endl
+                          << "#include <array>"   << std::endl
+                          << "#include <cstdint>" << std::endl;
             if (jit::complex_scalar<T>) {
                 source_buffer << "#include <complex>" << std::endl;
                 source_buffer << "#include <special_functions.hpp>" << std::endl;