New utility to compute number of tasks and depth of instances

CMakeLists.txt

@@ -58,3 +58,5 @@ if(THREADS_FOUND)
   target_link_libraries(pmtool Threads::Threads)
 endif()
 
+add_executable(instanceinfo instanceinfo.cpp)
+target_link_libraries(instanceinfo core)

instanceinfo.cpp

+#include <iostream>
+#include <getopt.h>
+#include <string>
+#include <vector>
+
+#include "instance.h"
+#include "util.h"
+
+using namespace std;
+
+
+static const int opt_no_convert = 10;
+static const int opt_no_header = 12;
+
+static struct option long_options[] = {
+  {"no-convert",   no_argument, 0,  opt_no_convert},
+  {"no-header", no_argument, 0, opt_no_header},
+  {0,         0,                 0,  0 }
+};
+
+static const char* optstring = "";
+
+int main(int argc, char* argv[]) {
+
+  
+  bool convertIndices = true;
+  bool printHeader = true; 
+  vector<string> inputFiles; 
+
+  int longindex = 0; 
+  int opt = getopt_long(argc, argv, optstring, long_options, & longindex);
+  while(opt != -1) {
+    switch(opt) {
+    case opt_no_convert:
+      convertIndices = false;
+      break;
+    case opt_no_header:
+      printHeader = false;
+      break;
+    default:
+      break;
+    }
+    opt = getopt_long(argc, argv, optstring, long_options, & longindex);
+  }
+  for(int a = optind; a < argc; ++a)
+    inputFiles.push_back(string(argv[a]));
+
+  if(printHeader) {
+    cout << "input nbTasks depth" << endl; 
+  }
+  
+  for(string &file: inputFiles) {
+    Instance* instance = new Instance(file, convertIndices);
+    int nbTasks = instance->nbTasks;
+    int depth = getMax(instance->computeUnitRank());
+    cout << file << " " << nbTasks << " " << depth << endl;
+    delete instance; 
+  }
+  
+}