Changeset 1485 for XIOS/dev/XIOS_DEV_CMIP6/src/node/file.cpp

Timestamp:

04/17/18 11:55:51 (6 years ago)

Author:

oabramkina

Message:

Enforcing sequential I/O on the client side during reading of metadata by client processes. Parallel I/O can still be used in this case via setting file attribute "read_metadata_par" to true.

File:

• XIOS/dev/XIOS_DEV_CMIP6/src/node/file.cpp (modified) (1 diff)

XIOS/dev/XIOS_DEV_CMIP6/src/node/file.cpp

@@ -657 +657 @@
 
       bool isCollective = par_access.isEmpty() || par_access == par_access_attr::collective;
+      bool readMetaDataPar = true;
+      if (!context->hasServer) readMetaDataPar = (read_metadata_par.isEmpty()) ? false : read_metadata_par;
 
       if (isOpen) data_out->closeFile();
-      if (time_counter_name.isEmpty()) data_in = shared_ptr<CDataInput>(new CNc4DataInput(oss.str(), readComm, multifile, isCollective));
-      else data_in = shared_ptr<CDataInput>(new CNc4DataInput(oss.str(), readComm, multifile, isCollective, time_counter_name));
+      if (time_counter_name.isEmpty()) data_in = shared_ptr<CDataInput>(new CNc4DataInput(oss.str(), readComm, multifile, isCollective, readMetaDataPar));
+      else data_in = shared_ptr<CDataInput>(new CNc4DataInput(oss.str(), readComm, multifile, isCollective, readMetaDataPar, time_counter_name));
       isOpen = true;
     }