explicitly load libomp.so when required

remove the need to set env var PATH & LD_LIBRARY_PATH for omp kernels

Author: Vipul-Cariappa

notebooks/openmp-notebooks/hello_world.ipynb

@@ -8,24 +8,12 @@
    "outputs": [],
    "source": [
     "#include <stdio.h>\n",
-    "#include <omp.h>\n",
-    "#include <clang/Interpreter/CppInterOp.h>"
+    "#include <omp.h>"
    ]
   },
   {
    "cell_type": "code",
    "execution_count": 2,
-   "id": "ef1cd58a-672c-4a6f-843a-6c88fc4911f3",
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "Cpp::LoadLibrary(\"libomp\");\n",
-    " "
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 3,
    "id": "c2b754ad-9553-4a42-b990-f990a9a269ed",
    "metadata": {},
    "outputs": [],
@@ -48,24 +36,32 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 4,
+   "execution_count": 3,
    "id": "a37a13d4-fc82-496e-8f42-9e718a8c2aa0",
    "metadata": {},
    "outputs": [
     {
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "max threads: 8\n",
-      "Hello World from thread = 0 with 8 threads\n",
-      "Hello World from thread = 3 with 8 threads\n",
-      "Hello World from thread = 4 with 8 threads\n",
-      "Hello World from thread = 2 with 8 threads\n",
-      "Hello World from thread = 7 with 8 threads\n",
-      "Hello World from thread = 1 with 8 threads\n",
-      "Hello World from thread = 6 with 8 threads\n",
-      "Hello World from thread = 5 with 8 threads\n",
-      "all done, with hopefully 8 threads\n"
+      "max threads: 16\n",
+      "Hello World from thread = 0 with 16 threads\n",
+      "Hello World from thread = 3 with 16 threads\n",
+      "Hello World from thread = 13 with 16 threads\n",
+      "Hello World from thread = 4 with 16 threads\n",
+      "Hello World from thread = 12 with 16 threads\n",
+      "Hello World from thread = 1 with 16 threads\n",
+      "Hello World from thread = 14 with 16 threads\n",
+      "Hello World from thread = 15 with 16 threads\n",
+      "Hello World from thread = 8 with 16 threads\n",
+      "Hello World from thread = 6 with 16 threads\n",
+      "Hello World from thread = 11 with 16 threads\n",
+      "Hello World from thread = 5 with 16 threads\n",
+      "Hello World from thread = 7 with 16 threads\n",
+      "Hello World from thread = 10 with 16 threads\n",
+      "Hello World from thread = 9 with 16 threads\n",
+      "Hello World from thread = 2 with 16 threads\n",
+      "all done, with hopefully 16 threads\n"
      ]
     }
    ],
@@ -76,7 +72,7 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "C++17 (xcpp+OpenMP)",
+   "display_name": "C++17 + OpenMP",
    "language": "cpp",
    "name": "xcpp17-omp"
   },

notebooks/openmp-notebooks/linked_list.ipynb

@@ -9,8 +9,7 @@
    "source": [
     "#include <stdlib.h>\n",
     "#include <stdio.h>\n",
-    "#include <omp.h>\n",
-    "#include <clang/Interpreter/CppInterOp.h>"
+    "#include <omp.h>"
    ]
   },
   {
@@ -31,16 +30,6 @@
   {
    "cell_type": "code",
    "execution_count": 3,
-   "id": "8da842e1-db02-49e0-929d-4e67cbc08172",
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "Cpp::LoadLibrary(\"libomp\");"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 4,
    "id": "22f97c49-78d1-496e-ac7c-978aed95331a",
    "metadata": {},
    "outputs": [],
@@ -54,7 +43,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 5,
+   "execution_count": 4,
    "id": "b16b1e8a-8831-4b8d-9d57-09deeaaa88ee",
    "metadata": {},
    "outputs": [],
@@ -66,7 +55,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 6,
+   "execution_count": 5,
    "id": "0ef8af6c-1d6f-4c68-84bc-3dd1d8092b06",
    "metadata": {},
    "outputs": [],
@@ -85,7 +74,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 7,
+   "execution_count": 6,
    "id": "1fa0307d-fdc9-4503-95cb-1c6448791354",
    "metadata": {},
    "outputs": [],
@@ -101,7 +90,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 8,
+   "execution_count": 7,
    "id": "03acb599-9329-49ff-8aff-c0902adb6c3c",
    "metadata": {},
    "outputs": [],
@@ -130,7 +119,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 9,
+   "execution_count": 8,
    "id": "f2dfb41b-e55f-43c0-b7f6-546a1697acb1",
    "metadata": {},
    "outputs": [],
@@ -188,7 +177,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 10,
+   "execution_count": 9,
    "id": "353e5dfd-fcae-43e6-97e3-ec98070811a1",
    "metadata": {},
    "outputs": [
@@ -199,14 +188,14 @@
       "Process linked list\n",
       "  Each linked list node will be processed by function 'processwork()'\n",
       "  Each ll node will compute 5 fibonacci numbers beginning with 38\n",
-      "Threads:      8\n",
+      "Threads:      16\n",
       "38 : 39088169\n",
       "39 : 63245986\n",
       "40 : 102334155\n",
       "41 : 165580141\n",
       "42 : 267914296\n",
       "43 : 433494437\n",
-      "Compute Time: 2.617225 seconds\n"
+      "Compute Time: 3.560749 seconds\n"
      ]
     }
    ],
@@ -217,7 +206,7 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "C++17 (xcpp+OpenMP)",
+   "display_name": "C++17 + OpenMP",
    "language": "cpp",
    "name": "xcpp17-omp"
   },

notebooks/openmp-notebooks/mandel.ipynb

@@ -10,23 +10,12 @@
     "#include <stdio.h>\n",
     "#include <stdlib.h>\n",
     "#include <math.h>\n",
-    "#include <omp.h>\n",
-    "#include <clang/Interpreter/CppInterOp.h>"
+    "#include <omp.h>"
    ]
   },
   {
    "cell_type": "code",
    "execution_count": 2,
-   "id": "4e037323-fbc6-43c8-a17f-6044997bf49b",
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "Cpp::LoadLibrary(\"libomp\");"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 3,
    "id": "8b66f96a-14ef-4f23-8024-bcfc42b31e4e",
    "metadata": {},
    "outputs": [],
@@ -37,7 +26,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 4,
+   "execution_count": 3,
    "id": "d89dd57c-fe19-4233-a33a-df9b24fae98a",
    "metadata": {},
    "outputs": [],
@@ -47,7 +36,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 5,
+   "execution_count": 4,
    "id": "5c35c479-2f79-46b7-bc66-24be6b1694e0",
    "metadata": {},
    "outputs": [],
@@ -75,7 +64,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 6,
+   "execution_count": 5,
    "id": "ea116fef-7d05-4e29-97a1-55c85c7241d8",
    "metadata": {},
    "outputs": [],
@@ -107,15 +96,15 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 7,
+   "execution_count": 6,
    "id": "39cf129c-8106-4e67-a2f1-1a7fff17cd38",
    "metadata": {},
    "outputs": [
     {
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "Area of Mandlebrot set =   3.80247750 +/-   0.00380248\n",
+      "Area of Mandlebrot set =   5.23447313 +/-   0.00523447\n",
       "Correct answer should be around 1.510659\n"
      ]
     }
@@ -127,7 +116,7 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "C++17 (xcpp+OpenMP)",
+   "display_name": "C++17 + OpenMP",
    "language": "cpp",
    "name": "xcpp17-omp"
   },