[benchmarks] Add retrieval benchmark suite for Engram vs Pinecone, Weaviate, pgvector

[zjwjing]

Description

Adds a retrieval benchmark suite to compare Engram against Pinecone, Weaviate, and pgvector.

Closes #24

Changes

New Files

• scripts/bench/benchmark.py - Benchmark harness
• docs/benchmarks.md - Report template

Features

• Recall@1, Recall@5, Recall@10 metrics
• p50/p95 latency measurement
• Support for multiple vector databases
• Markdown report generation
• Reproducible test harness

Datasets

• MSMARCO
• NFCorpus
• NQ (Natural Questions)

Wallet Address

ETH: 0x8971bC40f06e90015C5e92d247c96BfB65C24Cc7

[vercel]

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[zjwjing]

Hi maintainers,

I have completed all the requested changes and the PR is ready for review.

Please let me know if you need any additional modifications.

Thank you!

[zjwjing]

Hi @Dipraise1 — following up on the retrieval benchmark suite PR. The benchmark harness, metrics (Recall@1/5/10, p50/p95 latency), and report generation are all implemented and ready for review. Thanks!