Make HDF5 overwrite the default

Author: Martin D. Weinberg

src/OutHDF5.H

@@ -11,7 +11,6 @@
     @param nint is the number of steps between dumps
     @param nbeg is suffix of the first phase space %dump
     @param timer set to true turns on wall-clock timer for PS output
-    @param threads number of threads for binary writes
     @param gadget set to true for Gadget-4-type HDF5
     @param noids set to true turns off particle id writing
     @param checkpt sets checkpoint mode: write a real8 snapshot with a unique filename
@@ -27,7 +26,7 @@ private:
   bool real4=true, real8=false, ids=true, gadget4=false, chkpt=false;
   bool overwrite=false, timer;
   unsigned write_flags;
-  int nbeg, threads;
+  int nbeg;
   void initialize(void);
   std::vector<double> masses;
   std::vector<bool> multim;
@@ -58,7 +57,6 @@ public:
     \param last should be true on final step to force phase space %dump
     indepentently of whether or not the frequency criterion is met
     \param timer set to true turns on wall-clock timer for PS output
-    \param threads is the thread count for binary writes
     \param noids set to true turns off particle id writing
     \param gadget set to true for Gadget-4-type HDF5
     \param checkpt set to true for checkpoint mode

src/OutHDF5.cc

@@ -30,7 +30,6 @@ OutHDF5::valid_keys = {
   "real4",
   "real8",
   "timer",
-  "threads,"
   "gadget",
   "checkpt",
   "preserve",
@@ -103,7 +102,7 @@ void OutHDF5::initialize()
 
     write_flags = H5F_ACC_TRUNC;
     if (Output::conf["preserve"]) {
-      bool overwrite = Output::conf["preserve"].as<bool>();
+      bool preserve = Output::conf["preserve"].as<bool>();
       write_flags = preserve ? H5F_ACC_EXCL : H5F_ACC_TRUNC;
     }
 
@@ -116,11 +115,6 @@ void OutHDF5::initialize()
     else
       timer = false;
 
-    if (Output::conf["threads"])
-      threads = Output::conf["threads"].as<int>();
-    else
-      threads = 0;
-
     if (Output::conf["gadget"])
       gadget4 = Output::conf["gadget"].as<bool>();
     else