Changes between Version 24 and Version 25 of WrapperApp

Timestamp:

Jun 17, 2008, 1:53:36 PM (16 years ago)

Author:

davea

Comment:

--

WrapperApp

@@ -21 +21 @@
         [ <stderr_filename>stderr_file</stderr_filename> ]
         [ <command_line>--foo bar</command_line> ]
+        [ <weight>X</weight> ]
+        [ <checkpoint_filename>filename</checkpoint_filename> ]
     </task>
     [ ... ]
@@ -27 +29 @@
 
 The job file specifies a sequence of tasks.
-The descriptor for each task includes the logical name of the application, or 'worker program'.
-If the worker program uses standard I/O (stdin, stdout or stderr)
-the descriptor specifies the logical names of the files
-to which these are to be connected.
-The descriptor may also specify command-line arguments to be passed to the worker program.
-'''wrapper''' itself may be passed command-line arguments (specified in the workunit template);
-these are passed to each of the worker programs after those specified in the job file.
+The descriptor for each task includes:
+
+ '''application''':: The logical name of the application, or 'worker program'.
+ '''stdin_filename''', '''stdout_filename''', '''stderr_filename''':: The logical names of the files to which stdin, stdout, and stderr are to be connected (if any).
+ '''command_line''':: command-line arguments to be passed to the worker program. '''wrapper''' itself may be passed command-line arguments (specified in the workunit template); these are passed to each of the worker programs after those specified in the job file.
+ '''weight''':: the contribution of each task to the overall fraction done is proportional to its weight (floating-point, default 1).  For example, if your job has tasks A and B, and A uses 100 times more CPU time than B, set A.weight=100 and B.weight=1.
+ '''checkpoint_filename''':: the name of the checkpoint file used by the app, if any.  When this is modified, the wrapper assumes that a checkpoint has been completed and notifies the core client.
 
 Worker programs must exit with zero status; nonzero values are interpreted as error codes by the wrapper.