Fixes for ticket:3955

- enable GC parallel marking in Windows (Makefile.omdev.mingw)
- enable parallel parsing in Windows (Compiler/FrontEnd/ClassLoader.mo)
- give parallel parsing thread 2MB stack (Compiler/runtime/System_omc.c)

Compiler/FrontEnd/ClassLoader.mo

@@ -201,10 +201,11 @@ algorithm
         encodingfile = stringAppendList({path,pd,name,pd,"package.encoding"});
         encoding = System.trimChar(System.trimChar(if System.regularFileExists(encodingfile) then System.readFile(encodingfile) else Util.getOptionOrDefault(optEncoding,"UTF-8"),"\n")," ");
 
-        if Config.getRunningTestsuiteFile()<>"" or Config.noProc()==1 or (System.os() == "Windows_NT") then
+        if Config.getRunningTestsuiteFile()<>"" or Config.noProc()==1 then
           strategy = STRATEGY_ON_DEMAND(encoding);
         else
           filenames = getAllFilesFromDirectory(path + pd + name);
+		  // print("Files load in parallel:\n" + stringDelimitList(filenames, "\n") + "\n");
           strategy = STRATEGY_HASHTABLE(Parser.parallelParseFiles(filenames, encoding));
         end if;
         cl = loadCompletePackageFromMp(id, name, path, strategy, Absyn.TOP(), Error.getNumErrorMessages());

Compiler/runtime/System_omc.c

@@ -796,6 +796,14 @@ extern void* System_launchParallelTasks(threadData_t *threadData, int numThreads
   void *status[len];
   int ids[len];
   pthread_t th[numThreads];
+
+#if defined(__MINGW32__)
+  /* adrpo: set thread stack size on Windows to 2MB */
+  pthread_attr_t attr;
+  pthread_attr_init(&attr);
+  pthread_attr_setstacksize(&attr, 2097152);
+#endif
+
 #else
   void **commands = (void**) omc_alloc_interface.malloc(sizeof(void*)*len);
   void **status = (void**) omc_alloc_interface.malloc(sizeof(void*)*len);
@@ -821,7 +829,11 @@ extern void* System_launchParallelTasks(threadData_t *threadData, int numThreads
   }
   numThreads = numThreads > len ? len : numThreads;
   for (i=0; i<numThreads; i++) {
+#if defined(__MINGW32__)
+    GC_pthread_create(&th[i],&attr,System_launchParallelTasksThread,&data);
+#else
     GC_pthread_create(&th[i],NULL,System_launchParallelTasksThread,&data);
+#endif
   }
   for (i=0; i<numThreads; i++) {
     GC_pthread_join(th[i], NULL);

Makefile.omdev.mingw

@@ -51,7 +51,7 @@ LINK = cp -rl
 AR = ar
 # LIBGC configuration is different for Windows (this file) and Linux (Makefile.in)
 MINGW_EXTRA_LIBS=lpsolve sundials
-LIBGC_EXTRA_CONFIGURATION=--enable-threads=posix --enable-munmap=1 --disable-parallel-mark
+LIBGC_EXTRA_CONFIGURATION=--enable-threads=posix --enable-munmap=1 #--disable-parallel-mark
 MSL321_CONFIG_EXTRA_FLAGS=--enable-static --disable-shared
 LIBFMILIB=libfmilib.a
 LIBCMINPACKLIB=libcminpack.a