Move OpenMP examples into their own dedicated folder.

Author: ludgerpaehler

openmp/parallel_for/Makefile

@@ -0,0 +1,17 @@
+CLANG = /home/lpaehler/Work/Dev-Tools/llvm-fortran/f18-llvm-project/build/bin/clang
+
+LLVM_PATH = /home/lpaehler/Work/Dev-Tools/llvm-fortran/f18-llvm-project/build
+
+ENZYME_PATH = /home/lpaehler/Work/AutomaticDifferentiation/Enzyme/build/Enzyme/LLVMEnzyme-13.so
+LLVM13_PATH = /home/lpaehler/Work/AutomaticDifferentiation/llvm-project/build
+
+all: omp_parallel_simple.o
+
+clean:
+	rm -f *.o *.ll
+
+%.o: %.c
+	$(LLVM_PATH)/bin/clang++  -O3 -Xclang -load -Xclang $(ENZYME_PATH) -ffast-math -fopenmp -o /host/$@
+
+run-%: %.o
+	../dockerscript.sh /host/$^

P5_omp_parallel_for/Makefile renamed to openmp/parallel_for/OldMakefile

@@ -4,7 +4,7 @@ clean:
 	rm -f *.o *.ll
 
 %.o: %.c
-	../dockerscript.sh clang-12 /host/$^ -O3 -Xclang -load -Xclang /Enzyme/enzyme/build/Enzyme/ClangEnzyme-12.so -ffast-math -fopenmp -o /host/$@
+	../dockerscript.sh clang-12 /host/$^ -O3 -Xclang -load -Xclang /Enzyme/enzyme/build/Enzyme/ClangEnzyme-12.so -ffast-math -fopenmp=libomp -o /host/$@
 
 run-%: %.o
-	../dockerscript.sh /host/$^
+	../dockerscript.sh /host/$^

P5_omp_parallel_for/omp_parallel_for.c renamed to openmp/parallel_for/omp_parallel_for.c

@@ -17,13 +17,13 @@ int main() {
 
     // Initialize array
     float array[1000];
-    for(int i=0, i<1000; i++) {
+    for(int i=0; i<1000; i++) {
         array[i] = i + 0.5;
     }
 
     // Set up the array to host the gradients
     float d_array[1000];
-    for(int i=0, i<1000; i++) {
+    for(int i=0; i<1000; i++) {
         d_array[i] = 1.0f;
     }
 
@@ -35,4 +35,4 @@ int main() {
 #endif
 
     return 0;
-}
+}

P6_omp_parallel_for_nounroll/Makefile renamed to openmp/parallel_for_nounroll/Makefile

@@ -3,7 +3,7 @@
 // Change the array entries
 void subdomain_change(float *x, int istart, int ipoints) {
     int i;
-    for (i = 0, i < ipoints; i++) {
+    for (i = 0; i < ipoints; i++) {
         x[istart+i] = x[i] + i;
     }
 }
@@ -31,28 +31,28 @@ void sub(float *x, int npoints) {
 }
 
 
-double __enzyme_autodiff(void*, ...);
+void __enzyme_autodiff(void*, ...);
 
 int main() {
 
     // Initialize array
     float array[1000];
-    for(int i=0, i<1000; i++) {
+    for(int i=0; i<1000; i++) {
         array[i] = 0.0;
     }
 
     // Set up the array to host the gradients
     float d_array[1000];
-    for(int i=0, i<1000; i++) {
+    for(int i=0; i<1000; i++) {
         d_array[i] = 1.0f;
     }
 
     // Alter the entries
-#ifdef FORWARD
+// #ifdef FORWARD
     sub(array, 1000);
-#else
-    __enzyme_autodiff((void*)sub, array, d_array, 1000);
-#endif
+// #else
+// __enzyme_autodiff((void*)sub, array, d_array, 1000);
+// #endif
 
     return 0;
-}
+}