Changes between Version 8 and Version 9 of Public/User_Guide/TAMPI_NAM

Timestamp:

Mar 3, 2021, 7:44:51 PM (4 years ago)

Author:

Kevin Sala

Comment:

—

Public/User_Guide/TAMPI_NAM

@@ -41 +41 @@
         // Computation and communication tasks declaring
         // dependencies on the blocks they process
-        gaussSeidelSolver(...);
+        gaussSeidelSolver(..all blocks in current rank..);
 
         if (t % namSnapshotFreq == 0) {
@@ -54 +54 @@
 {{{#!c
 void namSaveMatrix(int namSnapshotId, MPI_Win namWindow, ...) {
-    // Compute destination offset in NAM region
-    int snapshotOffset = namSnapshotId*sizeof(..all blocks..);
+    // Compute snapshot offset inside NAM region
+    int snapshotOffset = namSnapshotId*sizeof(..all blocks in current rank..);
 
     // Open RMA access epoch to write the NAM window for this timestep
-    #pragma oss task in(..all blocks..) inout(namWindow)
+    #pragma oss task in(..all blocks in current rank..) inout(namWindow)
     {
         MPI_Request request;
@@ -66 +66 @@
 
     // Write all blocks from the current rank to NAM subregions concurrently
-    for (B : all blocks) {
+    for (B : all blocks in current rank) {
         #pragma oss task in(..block B..) in(namWindow)
         {
-            MPI_Put(/* origin */ ..block B..,
-                /* target rank */ currentRank,
-                /* target offset */ snapshotOffset + B,
-                /* target window */ namWindow);
+            MPI_Put(/* source data */   ..block B..,
+                    /* target rank */   currentRank,
+                    /* target offset */ snapshotOffset + B,
+                    /* target window */ namWindow);
         }
     }
 
     // Close RMA access epoch to write the NAM window for this timestep
-    #pragma oss task in(..all blocks..) inout(namWindow)
+    #pragma oss task in(..all blocks in current rank..) inout(namWindow)
     {
         MPI_Request request;