luke
/
OpenSTA
mirror of https://github.com/The-OpenROAD-Project/OpenSTA.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

power dbg 

Signed-off-by: James Cherry <cherry@parallaxsw.com>
This commit is contained in:
James Cherry 2023-10-24 19:20:21 -07:00
parent bcaa96df99
commit 29d97af978
1 changed files with 33 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

57
power/Power.cc
View File

@ -111,9 +111,9 @@ Power::setInputPortActivity(const Port *input_port,
void
Power::setUserActivity(const Pin *pin,
float activity,
float duty,
PwrActivityOrigin origin)
float activity,
float duty,
PwrActivityOrigin origin)
{
user_activity_map_[pin] = {activity, duty, origin};
activities_valid_ = false;
@ -699,26 +699,40 @@ Power::power(const Instance *inst,
MinMax *mm = MinMax::max();
const DcalcAnalysisPt *dcalc_ap = corner->findDcalcAnalysisPt(mm);
const Clock *inst_clk = findInstClk(inst);
InstancePinIterator *pin_iter = network_->pinIterator(inst);
while (pin_iter->hasNext()) {
const Pin *to_pin = pin_iter->next();
InstancePinIterator *pin_iter1 = network_->pinIterator(inst);
while (pin_iter1->hasNext()) {
const Pin *to_pin = pin_iter1->next();
const LibertyPort *to_port = network_->libertyPort(to_pin);
if (to_port) {
float load_cap = to_port->direction()->isAnyOutput()
? graph_delay_calc_->loadCap(to_pin, dcalc_ap)
: 0.0;
PwrActivity activity = findClkedActivity(to_pin, inst_clk);
if (to_port->direction()->isAnyOutput()) {
findSwitchingPower(cell, to_port, activity, load_cap, corner, result);
if (to_port->direction()->isAnyOutput())
findOutputInternalPower(to_pin, to_port, inst, cell, activity,
load_cap, corner, result);
}
if (to_port->direction()->isAnyInput())
findInputInternalPower(to_pin, to_port, inst, cell, activity,
load_cap, corner, result);
}
}
delete pin_iter;
delete pin_iter1;
InstancePinIterator *pin_iter2 = network_->pinIterator(inst);
while (pin_iter2->hasNext()) {
const Pin *to_pin = pin_iter2->next();
const LibertyPort *to_port = network_->libertyPort(to_pin);
if (to_port) {
float load_cap = to_port->direction()->isAnyOutput()
? graph_delay_calc_->loadCap(to_pin, dcalc_ap)
: 0.0;
PwrActivity activity = findClkedActivity(to_pin, inst_clk);
if (to_port->direction()->isAnyOutput())
findSwitchingPower(cell, to_port, activity, load_cap, corner, result);
}
}
delete pin_iter2;
findLeakagePower(inst, cell, corner, result);
return result;
}
@ -755,16 +769,14 @@ Power::findInputInternalPower(const Pin *pin,
if (corner_cell && corner_port) {
const InternalPowerSeq &internal_pwrs = corner_cell->internalPowers(corner_port);
if (!internal_pwrs.empty()) {
debugPrint(debug_, "power", 2, "internal input %s/%s (%s)",
debugPrint(debug_, "power", 2, "internal input %s/%s cap %s",
network_->pathName(inst),
port->name(),
corner_cell->name());
units_->capacitanceUnit()->asString(load_cap));
debugPrint(debug_, "power", 2, " when act/ns duty energy power");
const DcalcAnalysisPt *dcalc_ap = corner->findDcalcAnalysisPt(MinMax::max());
const Pvt *pvt = dcalc_ap->operatingConditions();
Vertex *vertex = graph_->pinLoadVertex(pin);
debugPrint(debug_, "power", 2, " cap = %s",
units_->capacitanceUnit()->asString(load_cap));
debugPrint(debug_, "power", 2, " when act/ns duty energy power");
float internal = 0.0;
for (InternalPower *pwr : internal_pwrs) {
const char *related_pg_pin = pwr->relatedPgPin();
@ -886,16 +898,14 @@ Power::findOutputInternalPower(const Pin *to_pin,
// Return values.
PowerResult &result)
{
debugPrint(debug_, "power", 2, "internal output %s/%s (%s)",
debugPrint(debug_, "power", 2, "internal output %s/%s cap %s",
network_->pathName(inst),
to_port->name(),
cell->name());
units_->capacitanceUnit()->asString(load_cap));
const DcalcAnalysisPt *dcalc_ap = corner->findDcalcAnalysisPt(MinMax::max());
const Pvt *pvt = dcalc_ap->operatingConditions();
LibertyCell *corner_cell = cell->cornerCell(dcalc_ap);
const LibertyPort *to_corner_port = to_port->cornerPort(dcalc_ap);
debugPrint(debug_, "power", 2, " cap = %s",
units_->capacitanceUnit()->asString(load_cap));
FuncExpr *func = to_port->function();
map<const char*, float, StringLessIf> pg_duty_sum;
@ -906,6 +916,8 @@ Power::findOutputInternalPower(const Pin *to_pin,
pg_duty_sum[related_pg_pin] += duty;
}
debugPrint(debug_, "power", 2,
" when act/ns duty wgt energy power");
float internal = 0.0;
for (InternalPower *pwr : corner_cell->internalPowers(to_corner_port)) {
FuncExpr *when = pwr->when();
@ -917,14 +929,11 @@ Power::findOutputInternalPower(const Pin *to_pin,
if (from_corner_port) {
positive_unate = isPositiveUnate(corner_cell, from_corner_port, to_corner_port);
const Pin *from_pin = findLinkPin(inst, from_corner_port);
if (from_pin) {
if (from_pin)
from_vertex = graph_->pinLoadVertex(from_pin);
}
}
float energy = 0.0;
int rf_count = 0;
debugPrint(debug_, "power", 2,
" when act/ns duty wgt energy power");
for (RiseFall *to_rf : RiseFall::range()) {
// Use unateness to find from_rf.
RiseFall *from_rf = positive_unate ? to_rf : to_rf->opposite();
@ -947,7 +956,7 @@ Power::findOutputInternalPower(const Pin *to_pin,
weight = duty / duty_sum;
}
float port_internal = weight * energy * to_activity.activity();
debugPrint(debug_, "power", 2, "%3s -> %-3s %6s %.2f %.2f %.2f %9.2e %9.2e %s",
debugPrint(debug_, "power", 2, "%3s -> %-3s %6s %.3f %.2f %.2f %9.2e %9.2e %s",
from_corner_port ? from_corner_port->name() : "-" ,
to_port->name(),
when ? when->asString() : "",