Group - Revision history

Polas: 14 revisions imported

2019-04-15T15:44:51Z

14 revisions imported

2013-07-01T14:13:15Z

2013-04-15T14:06:35Z

2013-04-15T14:06:02Z

2013-04-15T14:05:54Z

2013-01-13T18:08:31Z

2013-01-13T18:06:25Z

2013-01-13T18:05:27Z

2013-01-13T18:05:18Z

2013-01-13T18:01:33Z

@@ Line 12: / Line 12: @@
 Will execute the group body on different processes as specified by the programmer. This allows the programmer to write code MPMD style and, unlike the ''par'' block, Mesham guarantees process placement. Variables declared to be multiply allocated within parallel scope, such as a par block, will automatically be allocated just to the subgroup of processes within that scope.<br><br>
 ''Note:'' Unlike a ''par'' loop, the ''group'' guarantees that the ranks supplied will be the ranks of those processes executing the block code.<br>
 ''Note:'' Texas range of ... is supported, although this can only be between values (specifies a range) and the previous value must be smaller than or equal to the following one.

@@ Line 6: / Line 6: @@
 };<br>
-where n<sub>1</sub>,n<sub>2</sub>,...,n<sub>d</sub> are specific process ranks, either values of variables known at compile time.
+where n<sub>1</sub>,n<sub>2</sub>,...,n<sub>d</sub> are specific process ranks; values, variables or texas range (with limits) known at compile time.
 == Semantics ==

@@ Line 22: / Line 22: @@
         print("Hello world from pid 0 or 3\n");
      };
-−
      group 1,...,3,5,...,8 {
         print("Hello world from pid 1, 2, 3, 5, 6, 7 or 8\n");

@@ Line 11: / Line 11: @@
 Will execute the group body on different processes as specified by the programmer. This allows the programmer to write code MPMD style and, unlike the ''par'' block, Mesham guarantees process placement. Variables declared to be multiply allocated within parallel scope, such as a par block, will automatically be allocated just to the subgroup of processes within that scope.<br><br>
-''Note:'' Unlike a ''par'' loo, the ''group'' guarantees that the ranks supplied will be the ranks of those processes executing the block code.<br>
+''Note:'' Unlike a ''par'' loop, the ''group'' guarantees that the ranks supplied will be the ranks of those processes executing the block code.<br>
 ''Note:'' This is a blocking construct and regardless of arguments involves all processes who will either ignore it or execute the block.
 == Example ==
   #include <io>
-  group 0, 3 {
+  function void main() {
-    print("Hello world from pid 0 or 3\n");
+    group 0, 3 {
   };
-The code fragment will involve 4 processes (0 to 3 inclusive.) Only process zero and process three will display the message.
+The code fragment will involve 9 processes (0 to 8 inclusive.) Only process zero and process three will display the first message and the second is displayed by more as described by the texas range.
 ''Since: Version 1.0''
 [[Category:Parallel]]

@@ Line 23: / Line 23: @@
 The code fragment will involve 4 processes (0 to 3 inclusive.) Only process zero and process three will display the message.
-''Since:'' Version 1.0
+''Since: Version 1.0''
 [[Category:Parallel]]

← Older revision	Revision as of 15:44, 15 April 2019
(No difference)

@@ Line 1: / Line 1: @@
 == Syntax ==
@@ Line 23: / Line 22: @@
 The code fragment will involve 4 processes (0 to 3 inclusive.) Only process zero and process three will display the message.
 [[Category:Parallel]]

← Older revision		Revision as of 18:05, 13 January 2013
Line 1:		Line 1:
−	{{DISPLAYTITLE:Group - since version 1.0}}	+	{{DISPLAYTITLE:Group - ''since version 1.0''}}
	== Syntax ==		== Syntax ==