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Shorten corner fanout routes - #160

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ShiboSoftwareDev wants to merge 6 commits into
fix/backtrack-explicit-fanout-orderfrom
fix/shorter-corner-channel-routes
Open

Shorten corner fanout routes#160
ShiboSoftwareDev wants to merge 6 commits into
fix/backtrack-explicit-fanout-orderfrom
fix/shorter-corner-channel-routes

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@ShiboSoftwareDev

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Prefer the largest DRC-clean 45-degree corner chamfer while preserving shared boundary rails, with the existing compact route as fallback. The real AM62L fixture remains 96/96 and reduces total fanout length below 1400 mm.

@vercel

vercel Bot commented Sep 5, 2026

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The latest updates on your projects. Learn more about Vercel for GitHub.

Project Deployment Actions Updated
fanout-solver Ready Ready Preview Sep 5, 2026 10:01pm UTC

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@seveibar seveibar left a comment

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this still has major issues

@seveibar

seveibar commented Sep 5, 2026

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is this really the right solution vs path simplification etc.

@seveibar

seveibar commented Sep 5, 2026

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/benchmark

@github-actions

github-actions Bot commented Sep 5, 2026

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Dataset 31 — AM62L fanout benchmark

Commit: a005e0c. Blacksmith job: success.

Full JSON/Markdown reports and logs

Solved 1/12 selected samples. Completed 12/12; partial 0; errors 0; timeouts 11.

Concurrency: 32; per-sample deadline: 120s; assignment budget: sample defaults.

Only dataset-fanout31-am62l is benchmarked. Solved means validated AM62L fanout with the original constraints, not RAM fanout or inter-chip routing.

Dataset revision: 8c73bef.

Per-sample results
Sample Status Routed Seconds
01-top-left-offset timeout 0/135 120.07
02-top-center timeout 0/135 120.14
03-top-right-offset timeout 0/135 120.10
04-right-top-offset timeout 0/135 120.13
05-right-center timeout 0/135 120.12
06-right-bottom-offset timeout 0/135 120.11
07-bottom-right-offset timeout 0/135 120.07
08-bottom-center timeout 0/135 120.11
09-bottom-left-offset timeout 0/135 120.09
10-left-bottom-offset timeout 0/135 120.09
11-left-center solved 135/135 13.95
12-left-top-offset timeout 0/135 120.05

@ShiboSoftwareDev
ShiboSoftwareDev force-pushed the fix/backtrack-explicit-fanout-order branch from f4a7efa to 391ad91 Compare September 6, 2026 04:16
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2 participants