X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/loba.git/blobdiff_plain/88ba6cd5952a9a7a58a8a0d9c5ae0691a1fdc5e1..785641a0937a8e0bec6a0af7f6753ba7793da309:/NOTES?ds=sidebyside

diff --git a/NOTES b/NOTES
index 079372b..5399a4c 100644
--- a/NOTES
+++ b/NOTES
@@ -35,6 +35,7 @@ thread, and a load-balancer thread.
     | if we received some real load, get it (data messages)
     | if there is some real load to send, send it
     | if we own some load, simulate some computing on it
+    | sleep a bit if we are looping too fast
     +-
     send CLOSE on data for all neighbors
     wait for CLOSE on data from all neighbors
@@ -48,6 +49,7 @@ thread, and a load-balancer thread.
     Loop
     | call load-balancing algorithm
     | send ctrl messages
+    | sleep (min_lb_iter_duration)
     | receive ctrl messages
     +-
     send CLOSE on ctrl for all neighbors
@@ -56,10 +58,16 @@ thread, and a load-balancer thread.
   The loop terminates when process::still_running() returns false.
   (read the source for full details...)
 
-Open questions
-==============
- * definition of load on heterogeneous hosts?
- * how to detect convergence?
-   : No need to detect convergence.  Computation stops when there
-     nothing more to do.
- * how to manage link failures?
+Some notes about *load attributes
+=================================
+process::real_load              Current *real* load.
+                                Used for the computations.
+                                Displayed in log messages.
+
+process::expected_load          Current load estimation.
+                                Used for load-balancing estimation, and for
+                                diffusing to neighbors.
+                                * Without bookkeeping, it equals real_load
+                                  minus pending sends.
+                                * With bookkeeping, it corresponds to the
+                                  "virtual load".