Remove par access from file

Author: mulimoen

netcdf-examples/src/parallel.rs

@@ -17,8 +17,12 @@ fn create(
     communicator: impl Communicator + AsRaw<Raw = mpi_sys::MPI_Comm>,
 ) -> Result<(), Box<dyn std::error::Error>> {
     let info = mpi_null_info();
-    let mut file =
-        netcdf::create_par_with(path, communicator.as_raw(), info, netcdf::Options::empty())?;
+    let mut file = netcdf::create_par_with(
+        path,
+        communicator.as_raw(),
+        info,
+        netcdf::Options::NETCDF4(),
+    )?;
 
     let size = communicator.size() as usize;
     let rank = communicator.rank();
@@ -45,10 +49,10 @@ fn read(
     let info = mpi_null_info();
 
     let file = netcdf::open_par_with(path, communicator.as_raw(), info, netcdf::Options::empty())?;
-    file.access_collective()?;
 
     let rank = communicator.rank();
     let var = file.variable("output").unwrap();
+    var.access_collective()?;
     let values = var.get::<i32, _>((.., rank as usize))?;
 
     for (t, &v) in values.iter().enumerate() {

netcdf/src/file.rs

@@ -317,33 +317,6 @@ impl File {
         let Self(file) = self;
         file.close()
     }
-
-    /// Access all variable in independent mode
-    /// for parallell reading using MPI.
-    /// File must have been opened using `open_par`
-    ///
-    /// This is the default access mode
-    #[cfg(feature = "mpi")]
-    pub fn access_independent(&self) -> error::Result<()> {
-        let ncid = self.ncid();
-        crate::par::set_access_mode(
-            ncid,
-            netcdf_sys::NC_GLOBAL,
-            crate::par::AccessMode::Independent,
-        )
-    }
-    /// Access all variable in collective mode
-    /// for parallell reading using MPI.
-    /// File must have been opened using `open_par`
-    #[cfg(feature = "mpi")]
-    pub fn access_collective(&self) -> error::Result<()> {
-        let ncid = self.ncid();
-        crate::par::set_access_mode(
-            ncid,
-            netcdf_sys::NC_GLOBAL,
-            crate::par::AccessMode::Collective,
-        )
-    }
 }
 
 /// Mutable access to file.