--Master Function
function Master(...)
-simgrid.info("Hello from lua, I'm the master")
-for i,v in ipairs(arg) do
- simgrid.info("Got "..v)
-end
-
-nb_task = arg[1];
-comp_size = arg[2];
-comm_size = arg[3];
-slave_count = arg[4];
-
-if (#arg ~= 4) then
- error("Argc should be 4");
-end
-simgrid.info("Argc="..(#arg).." (should be 4)")
-
--- Dispatch the tasks
-
-for i=1,nb_task do
- tk = simgrid.task.new("Task "..i,comp_size,comm_size);
- local task_name = simgrid.task.name(tk)
- alias = "slave "..(i%slave_count);
- simgrid.info("Master sending '" .. task_name .."' To '" .. alias .."'");
- simgrid.task.send(tk,alias); -- C user data set to NULL
- simgrid.info("Master done sending '".. task_name .."' To '" .. alias .."'");
-end
-
--- Sending Finalize Message To Others
-
-simgrid.info("Master: All tasks have been dispatched. Let's tell everybody the computation is over.");
-for i=0,slave_count-1 do
- alias = "slave "..i;
- simgrid.info("Master: sending finalize to "..alias);
- finalize = simgrid.task.new("finalize",comp_size,comm_size);
- simgrid.task.send(finalize,alias)
-end
+ if #arg ~= 4 then
+ error("Wrong number of arguments (got " .. #arg ..
+ ", expected 4: nb_tasks comp_size comm_size slave_count)")
+ end
+
+ simgrid.info("Hello from lua, I'm the master")
+ for i,v in ipairs(arg) do
+ simgrid.info("Got " .. v)
+ end
+
+ local nb_task, comp_size, comm_size, slave_count = unpack(arg)
+
+ simgrid.info("Argc=" .. (#arg) .. " (should be 4)")
+
+ -- Dispatch the tasks
+
+ for i = 1, nb_task do
+ task = simgrid.task.new("Task " .. i, comp_size, comm_size);
+ local task_name = simgrid.task.get_name(task)
+ alias = "slave " .. (i%slave_count);
+ simgrid.info("Master sending '" .. task_name .. "' To '" .. alias .. "'");
+ simgrid.task.send(task, alias); -- C user data set to NULL
+ simgrid.info("Master done sending '" .. task_name .. "' To '" .. alias .. "'");
+ end
+
+ -- Sending Finalize Message To Others
+
+ simgrid.info("Master: All tasks have been dispatched. Let's tell everybody the computation is over.");
+ for i = 0, slave_count-1 do
+ alias = "slave " .. i;
+ simgrid.info("Master: sending finalize to " .. alias);
+ finalize = simgrid.task.new("finalize", comp_size, comm_size);
+ simgrid.task.send(finalize, alias)
+ end
simgrid.info("Master: Everything's done.");
end
-
--end_of_master