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internal power nan when related_pg_pin missing

This commit is contained in:
James Cherry 2020-05-04 18:19:29 -07:00
parent a862935b38
commit a3cfe38b0b
1 changed files with 7 additions and 2 deletions
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9
search/Power.cc
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@ -662,6 +662,7 @@ Power::findExprOutPort(FuncExpr *expr)
case FuncExpr::op_zero:
return nullptr;
}
return nullptr;
}
// Eval activity of differenc(expr) wrt cofactor port.
@ -705,7 +706,8 @@ Power::findOutputInternalPower(const Pin *to_pin,
for (InternalPower *pwr : *cell->internalPowers(to_port)) {
float duty = findInputDuty(to_pin, inst, func, pwr);
const char *related_pg_pin = pwr->relatedPgPin();
pg_duty_sum[related_pg_pin] += duty;
if (related_pg_pin)
pg_duty_sum[related_pg_pin] += duty;
}
float internal = 0.0;
@ -734,7 +736,10 @@ Power::findOutputInternalPower(const Pin *to_pin,
}
if (tr_count)
energy /= tr_count; // average non-inf energies
float weight = duty / pg_duty_sum[related_pg_pin];
auto duty_sum = pg_duty_sum.find(related_pg_pin);
float weight = duty_sum == pg_duty_sum.end()
? duty
: duty / duty_sum->second;
float port_internal = weight * energy * to_activity.activity();
debugPrint9(debug_, "power", 2, "%3s -> %-3s %6s %.2f %.2f %.2f %9.2e %9.2e %s\n",
from_port->name(),