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docs: add SIFT1M recall and throughput results#274

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kacy merged 1 commit intomainfrom
docs/sift-recall-results
Feb 24, 2026
Merged

docs: add SIFT1M recall and throughput results#274
kacy merged 1 commit intomainfrom
docs/sift-recall-results

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@kacy kacy commented Feb 24, 2026

summary

adds SIFT1M benchmark results to bench/README.md, replacing the placeholder text with actual numbers from a GCP c2-standard-8 run.

metric ember
insert 3,755 vectors/sec
query 1,596 queries/sec
query p99 0.78ms
recall@10 0.9339

what was tested

ran bench/bench-vector.sh --sift on the existing GCP VM with latest main (binary VADD_BATCH + parallel HNSW).

93.4% recall@10 on SIFT1M with M=16, ef_construction=64.
3,755 vectors/sec insert, 1,596 queries/sec, p99=0.78ms.
tested on GCP c2-standard-8 with binary VADD_BATCH encoding.
@kacy kacy merged commit 544015c into main Feb 24, 2026
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@kacy kacy deleted the docs/sift-recall-results branch February 24, 2026 17:07
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