garlic: Add blackbox diagram

garlic/doc/blackbox.ms

@@ -0,0 +1,40 @@
+.\" Use helvetica family
+.fam H
+.PS
+moveht=0.1
+boxwid=1
+sht=boxht + 0.1
+hspace = boxwid + 0.2
+right
+G: [
+  boxwid=1
+  extrawid=1.8
+  right
+  A: box "nix"; arrow;
+  B1: box wid extrawid "App source code" "PM branch, defines...";
+  move to (A.sw.x, A.y - boxht - moveht)
+  A: box "garlic/nix"; arrow;
+  B2: box wid extrawid "App run config" "Input size, algorithm...";
+  move to (A.sw.x, A.y - boxht - moveht)
+  A: box "garlic/nix"; arrow;
+  B3: box wid extrawid "Build config" "MPI impl, O3, CC version...";
+  move to (A.sw.x, A.y - boxht - moveht)
+  A: box "garlic/nix"; arrow;
+  B4: box wid extrawid "Run config" "Nodes, affinity";
+  move to (A.sw.x, A.y - boxht - moveht)
+  A: box "MN4"; arrow;
+  B5: box wid extrawid "Hardware" "Cache size, intercomm...";
+]
+movewid=1
+move
+circlerad=0.4
+E: circle "Execution"
+arrow
+box "Result"
+rspline = 0.5
+arrow from G.B1.e to E chop 0 chop circlerad
+arrow from G.B2.e to E chop 0 chop circlerad
+arrow from G.B3.e to E chop 0 chop circlerad
+arrow from G.B4.e to E chop 0 chop circlerad
+arrow from G.B5.e to E chop 0 chop circlerad
+.PE