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Implement native int7u HNSW bulk scoring
Native implementation for ARM (Neon) and x64 (AVX2, AVX-512) of HNSW Lucene bulk scoring
- [x] https://github.com/elastic/elasticsearch/pull/138552
- [x] https://github.com/elastic/elasticsearch/pull/139069
- [ ] TODO: sqr
- [ ] TODO: cos
Pinging @elastic/es-search-relevance (Team:Search Relevance)