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[AutoTuner] Replace failed metric string "-" with ERROR_METRIC #3940

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Merged
maliberty merged 1 commit into from
Mar 3, 2026
Merged

[AutoTuner] Replace failed metric string "-" with ERROR_METRIC #3940

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9 changes: 7 additions & 2 deletions tools/AutoTuner/src/autotuner/distributed.py
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Original file line number Diff line number Diff line change
Expand Up @@ -147,7 +147,12 @@ def step(self):

# if not a valid config, then don't run and pass back an error
if not self.is_valid_config:
return {METRIC: ERROR_METRIC, "effective_clk_period": "-", "num_drc": "-"}
return {
METRIC: ERROR_METRIC,
"effective_clk_period": ERROR_METRIC,
"num_drc": ERROR_METRIC,
"die_area": ERROR_METRIC,
}
self._variant = f"{self.variant}-{self.step_}"
metrics_file = openroad(
args=args,
Expand Down Expand Up @@ -242,7 +247,7 @@ def evaluate(self, metrics):
error = "ERR" in metrics.values() or "ERR" in reference.values()
not_found = "N/A" in metrics.values() or "N/A" in reference.values()
if error or not_found:
return (ERROR_METRIC, "-", "-", "-")
return (ERROR_METRIC, ERROR_METRIC, ERROR_METRIC, ERROR_METRIC)
ppa = self.get_ppa(metrics)
gamma = ppa / 10
score = ppa * (self.step_ / 100) ** (-1) + (gamma * metrics["num_drc"])
Expand Down
2 changes: 1 addition & 1 deletion tools/AutoTuner/src/autotuner/utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -79,7 +79,7 @@ def calculate_score(metrics, step=1):
not_found = "N/A" in metrics.values()

if error or not_found:
return (ERROR_METRIC, "-", "-", "-")
return (ERROR_METRIC, ERROR_METRIC, ERROR_METRIC, ERROR_METRIC)

effective_clk_period = metrics["clk_period"] - metrics["worst_slack"]
num_drc = metrics["num_drc"]
Expand Down