Only spin up Imf threads in the primary instance

Tom94 · Tom94 · commit 63a32c699e6f · 2017-09-16T21:10:42.000+02:00
diff --git a/src/main.cpp b/src/main.cpp
@@ -17,8 +17,6 @@ using namespace std;
 TEV_NAMESPACE_BEGIN
 
 int mainFunc(int argc, char* argv[]) {
-    Imf::setGlobalThreadCount(thread::hardware_concurrency());
-
     ArgumentParser parser{
         "Inspection tool for images with a high dynamic range.",
         "",
@@ -148,6 +146,8 @@ int mainFunc(int argc, char* argv[]) {
         return 0;
     }
 
+    Imf::setGlobalThreadCount(thread::hardware_concurrency());
+
     cout << "Loading window..." << endl;
 
     // Load images passed via command line in the background prior to
