There is a bug...

[loba.git] / TODO

diff --git a/TODO b/TODO
index 1d5fe423b8e3bd59936f2f6c6a01a605101fb5d6..3152ad98d5d06b57c2cffa912612468d1d610318 100644 (file)
--- a/TODO
+++ b/TODO
@@ -1,11 +1,28 @@
+* segfault with ./loba cluster1000.xml -N64 -a fairstrategy
+
+    this is a deadlock occuring when:
+    - a process is in the finalize stage;
+    - all processes  but one are blocked on receive;
+    - the process that is still running owns all the remaining load,
+      and sends it all to the finalizing process, and then goes in
+      blocking receive.
+    The finalizing process receives the load, and blocks again,
+    waiting for a close message.
+    All processes are then blocked, and non-one is able to see that
+    there is no more load in the system!
+

 * verify bookkeeping version.
 
 * verify bookkeeping version.
 

+* add several metrics
+  - flops (total, avg, stddev)
+  - message exchanges (number, volume)
+
+* add options -j/-J : minimum number of iterations ?
+

 * add a variant to (not) change neighbor load information at send.
 
 * implement loba_* algorithms (start with some trivial one)
 
 * add a variant to (not) change neighbor load information at send.
 
 * implement loba_* algorithms (start with some trivial one)
 

-* add some statistics about load (im)balance at the end of the simulation?
-

 * for automatic process topology,
    -> implement some random initial distribution of load
 
 * for automatic process topology,
    -> implement some random initial distribution of load