Commit 82fab7be authored by Pedro Gonnet's avatar Pedro Gonnet
Browse files

add comments.

parent 9e9bbfbd
......@@ -1684,6 +1684,7 @@ int cell_unskip_tasks(struct cell *c, struct scheduler *s) {
struct cell *ci = t->ci;
struct cell *cj = t->cj;
/* Only activate tasks that involve a local active cell. */
if ((cell_is_active(ci, e) && ci->nodeID == engine_rank) ||
(cj != NULL && cell_is_active(cj, e) && cj->nodeID == engine_rank)) {
scheduler_activate(s, t);
......@@ -1721,9 +1722,8 @@ int cell_unskip_tasks(struct cell *c, struct scheduler *s) {
/* Activate the send/recv tasks. */
if (ci->nodeID != engine_rank) {
/* If the local cell is active, receive data from the foreign cell. */
if (cell_is_active(cj, e)) {
/* Activate the tasks to recv foreign cell ci's data. */
scheduler_activate(s, ci->recv_xv);
if (cell_is_active(ci, e)) {
scheduler_activate(s, ci->recv_rho);
......@@ -1732,6 +1732,8 @@ int cell_unskip_tasks(struct cell *c, struct scheduler *s) {
#endif
}
}
/* If the foreign cell is active, we want its ti_end values. */
if (cell_is_active(ci, e)) scheduler_activate(s, ci->recv_ti);
/* Look for the local cell cj's send tasks. */
......@@ -1765,8 +1767,7 @@ int cell_unskip_tasks(struct cell *c, struct scheduler *s) {
}
}
/* We always need to send the new end time irrespective of active status
*/
/* If the local cell is active, send its ti_end values. */
if (cell_is_active(cj, e)) {
struct link *l = NULL;
for (l = cj->send_ti; l != NULL && l->t->cj->nodeID != ci->nodeID;
......@@ -1775,9 +1776,10 @@ int cell_unskip_tasks(struct cell *c, struct scheduler *s) {
if (l == NULL) error("Missing link to send_ti task.");
scheduler_activate(s, l->t);
}
} else if (cj->nodeID != engine_rank) {
/* Activate the tasks to recv foreign cell cj's data. */
/* If the local cell is active, receive data from the foreign cell. */
if (cell_is_active(ci, e)) {
scheduler_activate(s, cj->recv_xv);
if (cell_is_active(cj, e)) {
......@@ -1787,6 +1789,8 @@ int cell_unskip_tasks(struct cell *c, struct scheduler *s) {
#endif
}
}
/* If the foreign cell is active, we want its ti_end values. */
if (cell_is_active(cj, e)) scheduler_activate(s, cj->recv_ti);
/* Look for the local cell ci's send tasks. */
......@@ -1820,8 +1824,8 @@ int cell_unskip_tasks(struct cell *c, struct scheduler *s) {
#endif
}
}
/* We always need to send the new end time irrespective of active status
*/
/* If the local cell is active, send its ti_end values. */
if (cell_is_active(ci, e)) {
struct link *l = NULL;
for (l = ci->send_ti; l != NULL && l->t->cj->nodeID != cj->nodeID;
......
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