Not need to clear sort flag on reception fo particles before density. This...

Not need to clear sort flag on reception fo particles before density. This done in the cell_unskip_tasks() routine.

src/runner.c

@@ -1498,11 +1498,9 @@ void runner_do_end_force(struct runner *r, struct cell *c, int timer) {
  *
  * @param r The runner thread.
  * @param c The cell.
- * @param clear_sorts Should we clear the sort flag and hence trigger a sort ?
  * @param timer Are we timing this ?
  */
-void runner_do_recv_part(struct runner *r, struct cell *c, int clear_sorts,
-                         int timer) {
+void runner_do_recv_part(struct runner *r, struct cell *c, int timer) {
 
 #ifdef WITH_MPI
 
@@ -1523,9 +1521,6 @@ void runner_do_recv_part(struct runner *r, struct cell *c, int clear_sorts,
     error("Updating a local cell!");
 #endif
 
-  /* Clear this cell's sorted mask. */
-  if (clear_sorts) c->sorted = 0;
-
   /* If this cell is a leaf, collect the particle data. */
   if (!c->split) {
 
@@ -1551,7 +1546,7 @@ void runner_do_recv_part(struct runner *r, struct cell *c, int clear_sorts,
   else {
     for (int k = 0; k < 8; k++) {
       if (c->progeny[k] != NULL) {
-        runner_do_recv_part(r, c->progeny[k], clear_sorts, 0);
+        runner_do_recv_part(r, c->progeny[k], 0);
         ti_end_min = min(ti_end_min, c->progeny[k]->ti_end_min);
         ti_end_max = max(ti_end_max, c->progeny[k]->ti_end_max);
         h_max = max(h_max, c->progeny[k]->h_max);
@@ -1951,11 +1946,11 @@ void *runner_main(void *data) {
             cell_unpack_ti_ends(ci, t->buff);
             free(t->buff);
           } else if (t->subtype == task_subtype_xv) {
-            runner_do_recv_part(r, ci, 1, 1);
+            runner_do_recv_part(r, ci, 1);
           } else if (t->subtype == task_subtype_rho) {
-            runner_do_recv_part(r, ci, 0, 1);
+            runner_do_recv_part(r, ci, 1);
           } else if (t->subtype == task_subtype_gradient) {
-            runner_do_recv_part(r, ci, 0, 1);
+            runner_do_recv_part(r, ci, 1);
           } else if (t->subtype == task_subtype_gpart) {
             runner_do_recv_gpart(r, ci, 1);
           } else if (t->subtype == task_subtype_spart) {