luke/OpenSTA
1
0
Fork 0
mirror of https://github.com/The-OpenROAD-Project/OpenSTA.git synced 2026-09-04 08:43:04 +02:00
Code Issues Packages Projects Releases Wiki Activity

tweaks

Browse Source 
Signed-off-by: James Cherry <[email protected]>
This commit is contained in:
James Cherry
2023-02-25 08:32:52 -07:00
parent 5fbe059b61
commit 830a8dbbfc
2 changed files with 13 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files
dcalc/DmpCeff.cc
+12 -12
View File
@@ -265,8 +265,8 @@ protected:
double *p_;
int *index_;
// Gate slew used to check load delay.
double gate_slew_;
// Driver slew used to check load delay.
double drvr_slew_;
double vo_delay_;
// True if the driver parameters are valid for finding the load delays.
bool driver_valid_;
@@ -565,9 +565,9 @@ DmpAlg::loadDelaySlew(const Pin *,
if (!driver_valid_
|| elmore == 0.0
// Elmore delay is small compared to driver slew.
|| elmore < gate_slew_ * 1e-3) {
|| elmore < drvr_slew_ * 1e-3) {
delay = elmore;
slew = gate_slew_;
slew = drvr_slew_;
}
else {
// Use the driver thresholds and rely on thresholdAdjust to
@@ -591,18 +591,18 @@ DmpAlg::loadDelaySlew(const Pin *,
// Use elmore delay.
delay1 = elmore;
}
if (slew1 < gate_slew_) {
if (slew1 < drvr_slew_) {
// Only report a problem if the difference is significant.
if ((gate_slew_ - slew1) > vth_time_tol * gate_slew_)
if ((drvr_slew_ - slew1) > vth_time_tol * drvr_slew_)
fail("load slew less than driver slew");
slew1 = gate_slew_;
slew1 = drvr_slew_;
}
delay = delay1;
slew = slew1;
}
catch (DmpError &error) {
delay = elmore_;
slew = gate_slew_;
slew = drvr_slew_;
}
}
}
@@ -746,7 +746,7 @@ DmpCap::gateDelaySlew(double &delay,
debugPrint(debug_, "dmp_ceff", 3, " ceff = %s",
units_->capacitanceUnit()->asString(ceff_));
gateCapDelaySlew(ceff_, delay, slew);
gate_slew_ = slew;
drvr_slew_ = slew;
}
void
@@ -756,7 +756,7 @@ DmpCap::loadDelaySlew(const Pin *,
Slew &slew)
{
delay = elmore;
slew = gate_slew_;
slew = drvr_slew_;
}
void
@@ -932,7 +932,7 @@ DmpPi::gateDelaySlew(double &delay,
ceff_ = c1_ + c2_;
gateCapDelaySlew(ceff_, delay, slew);
}
gate_slew_ = slew;
drvr_slew_ = slew;
}
void
@@ -1223,7 +1223,7 @@ DmpZeroC2::gateDelaySlew(double &delay,
ceff_ = c1_;
gateCapDelaySlew(ceff_, delay, slew);
}
gate_slew_ = slew;
drvr_slew_ = slew;
}
double