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power activity propagtion from annootated reg pins 

Signed-off-by: James Cherry <cherry@parallaxsw.com>
This commit is contained in:
James Cherry 2022-08-18 14:18:14 -07:00
parent 43bddff09e
commit cbf6370597
1 changed files with 19 additions and 11 deletions
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30
search/Power.cc
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@ -330,10 +330,16 @@ PropActivityVisitor::visit(Vertex *vertex)
Pin *pin = vertex->pin();
debugPrint(debug_, "power_activity", 3, "visit %s",
vertex->name(network_));
if (power_->hasUserActivity(pin))
power_->setActivity(pin, power_->userActivity(pin));
bool input_without_activity = false;
if (power_->hasUserActivity(pin)) {
PwrActivity &activity = power_->userActivity(pin);
debugPrint(debug_, "power_activity", 3, "set %s %.2e %.2f",
vertex->name(network_),
activity.activity(),
activity.duty());
power_->setActivity(pin, activity);
}
else {
bool input_without_activity = false;
if (network_->isLoad(pin)) {
VertexInEdgeIterator edge_iter(vertex, graph_);
if (edge_iter.hasNext()) {
@ -350,14 +356,6 @@ PropActivityVisitor::visit(Vertex *vertex)
power_->setActivity(pin, to_activity);
}
}
Instance *inst = network_->instance(pin);
LibertyCell *cell = network_->libertyCell(inst);
if (cell && cell->hasSequentials()) {
debugPrint(debug_, "power_activity", 3, "pending reg %s",
network_->pathName(inst));
visited_regs_->insert(inst);
found_reg_without_activity_ = input_without_activity;
}
}
if (network_->isDriver(pin)) {
LibertyPort *port = network_->libertyPort(pin);
@ -375,6 +373,16 @@ PropActivityVisitor::visit(Vertex *vertex)
}
}
}
if (network_->isLoad(pin)) {
Instance *inst = network_->instance(pin);
LibertyCell *cell = network_->libertyCell(inst);
if (cell && cell->hasSequentials()) {
debugPrint(debug_, "power_activity", 3, "pending reg %s",
network_->pathName(inst));
visited_regs_->insert(inst);
found_reg_without_activity_ |= input_without_activity;
}
}
bfs_->enqueueAdjacentVertices(vertex);
}