docs: update MS-MARCO v2 comparison with PR #274 numbers#275
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BMW cache optimizations (PR #274) improved multi-token query latency by 20-25%, making pg_textsearch faster than System X across all 8 token buckets at p50. Key changes: - Weighted p50: 47.62ms -> 40.61ms (2.0x -> 2.3x vs System X) - 8+ tokens p50: 212ms -> 178ms (was 0.9x, now 1.1x vs System X) - Single-client throughput: 70ms/q -> 63ms/q (1.5x -> 1.7x) - p95 improved on 1-5 token buckets; 6-8+ still mixed
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Summary
Key number changes
Test plan