← Back to Index
OpenROAD (The-OpenROAD-Project)ECADConfidence: Medium

On a chip process with backside power layers, the router counts layers two different ways in one function, so it can pull track spacing from a never-enabled layer and compute the wrong tile size with no error.

Impact Analysis

Persona
Electrical Engineer
Team Size Impact
5x Multiplier
Prototype Delay
3 Days
Est. Annual Cost
$30,000
  • 1 user · 1 month240 min
  • Rest of team960 min
  • Rest of year13,200 min

monthly_minutes × 12 × team_multiplier ÷ 60 × $75/hr = $30k/yr

$75/hr assumed rate.

Annual team-minutes decomposed from the reported monthly inputs.

Evidence & Sources

1 Sources
The-OpenROAD-Project/OpenROAD Issue #11989: dbBlock::getGCellTileSize() dispatches on a raw, backside-inclusive max_routing_layer_ instead of the enabled frontside layer count
github.com
→

Analyst Notes

From the Grok pain-radar digest, Oct 25-26 2026 (Oct 25 daytime to Oct 26 morning slots). Verified live 2026-10-26: issue/PR read on GitHub; title and state confirmed.