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power fmt 

Signed-off-by: James Cherry <cherry@parallaxsw.com>
This commit is contained in:
James Cherry 2026-03-22 19:34:51 -07:00
parent 7b0281014e
commit ed19ed80df
1 changed files with 23 additions and 9 deletions
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32
power/Power.cc
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@ -1427,8 +1427,12 @@ Power::findSwitchingPower(const Instance *inst,
float volt = portVoltage(scene_cell, to_port, scene, MinMax::max()); float volt = portVoltage(scene_cell, to_port, scene, MinMax::max());
float switching = .5 * load_cap * volt * volt * activity.density(); float switching = .5 * load_cap * volt * volt * activity.density();
debugPrint(debug_, "power", 2, debugPrint(debug_, "power", 2,
"switching {}/{} activity = {:.2e} volt = {:.2f} {:.3e}", cell->name(), "switching {}/{} activity = {:.2e} volt = {:.2f} {:.3e}",
to_port->name(), activity.density(), volt, switching); cell->name(),
to_port->name(),
activity.density(),
volt,
switching);
result.incrSwitching(switching); result.incrSwitching(switching);
} }
} }
@ -1477,14 +1481,18 @@ Power::findLeakagePower(const Instance *inst,
for (const LeakagePower &pwr : scene_cell->leakagePowers()) { for (const LeakagePower &pwr : scene_cell->leakagePowers()) {
LibertyPort *pg_port = pwr.relatedPgPort(); LibertyPort *pg_port = pwr.relatedPgPort();
if (pg_port == nullptr || pg_port->pwrGndType() == PwrGndType::primary_power) { if (pg_port == nullptr || pg_port->pwrGndType() == PwrGndType::primary_power) {
std::string pg_name = pg_port ? pg_port->name() : "?";
LeakageSummary &sum = leakage_summaries[pg_port]; LeakageSummary &sum = leakage_summaries[pg_port];
float leakage = pwr.power(); float leakage = pwr.power();
FuncExpr *when = pwr.when(); FuncExpr *when = pwr.when();
if (when) { if (when) {
LogicValue when_value = sim->evalExpr(when, inst); LogicValue when_value = sim->evalExpr(when, inst);
if (when_value == LogicValue::one) { if (when_value == LogicValue::one) {
debugPrint(debug_, "power", 2, "leakage {}/{} {}=1 {:.3e}", cell->name(), debugPrint(debug_, "power", 2, "leakage {}/{} {}=1 {:.3e}",
pg_port->name(), when->to_string(), leakage); cell->name(),
pg_name,
when->to_string(),
leakage);
sum.cond_true_leakage = leakage; sum.cond_true_leakage = leakage;
sum.cond_true_exists = true; sum.cond_true_exists = true;
} }
@ -1492,7 +1500,9 @@ Power::findLeakagePower(const Instance *inst,
PwrActivity cond_activity = evalActivity(when, inst); PwrActivity cond_activity = evalActivity(when, inst);
float cond_duty = cond_activity.duty(); float cond_duty = cond_activity.duty();
debugPrint(debug_, "power", 2, "leakage {} {} {} {:.3e} * {:.2f}", debugPrint(debug_, "power", 2, "leakage {} {} {} {:.3e} * {:.2f}",
cell->name(), pg_port->name(), when->to_string(), cell->name(),
pg_name,
when->to_string(),
leakage, cond_duty); leakage, cond_duty);
// Leakage power average weighted by duty. // Leakage power average weighted by duty.
sum.cond_leakage += leakage * cond_duty; sum.cond_leakage += leakage * cond_duty;
@ -1502,8 +1512,10 @@ Power::findLeakagePower(const Instance *inst,
} }
} }
else { else {
debugPrint(debug_, "power", 2, "leakage {} {} -- {:.3e}", cell->name(), debugPrint(debug_, "power", 2, "leakage {} {} -- {:.3e}",
pg_port->name(), leakage); cell->name(),
pg_name,
leakage);
sum.uncond_leakage = leakage; sum.uncond_leakage = leakage;
sum.uncond_exists = true; sum.uncond_exists = true;
} }
@ -1529,8 +1541,10 @@ Power::findLeakagePower(const Instance *inst,
// Ignore unconditional leakage unless there are no conditional leakage groups. // Ignore unconditional leakage unless there are no conditional leakage groups.
else if (sum.uncond_exists) else if (sum.uncond_exists)
leakage = sum.uncond_leakage; leakage = sum.uncond_leakage;
debugPrint(debug_, "power", 2, "leakage {}/{} {:.3e}", cell->name(), debugPrint(debug_, "power", 2, "leakage {}/{} {:.3e}",
pg_port->name(), leakage); cell->name(),
pg_port ? pg_port->name() : "?",
leakage);
result.incrLeakage(leakage); result.incrLeakage(leakage);
} }
} }