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docs: rewrite README for a 6-second interview scan - #10
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Lead with problem → stored result (111.177× native sampler, single-seed Recall@10 GraphSAGE vs MF, ADR-008 demo CLI). Move CSR/ID internals below. Point architecture.md at the README pitch. No new experiments. Co-authored-by: Nithilan Kumaran <sathariels@users.noreply.github.com>
sathariels
marked this pull request as ready for review
September 18, 2026 16:38
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Why
The root README led with systems internals (CSR layout, disjoint IDs, harness tests) instead of problem → stored result. That is a poor 6-second interview scan.
What
results/claims:graph_sampler111.177× vs matching Python reference (median; synthetic CSR).scripts/demo_recommend.pyloads a checkpoint and prints top-K.SAGEConv) → MF comparison → 5-seed leaderboard → demo CLI.docs/architecture.mdat the README pitch. No new experiments, metrics, or Phase 9 features.Fact-check
Numbers are copied from existing committed artifacts (
results/sampler_timing.md,results/gnn_vs_mf_movielens_100k.md,results/multiseed_gnn_vs_mf_movielens_100k.md). Multi-seed mean Recall@10 is noted as overlapping in sample-std, not a significance claim.