This library is a C port of Google's high-performance SwissTable hashmap.
Based on CppCon 2017: Matt Kulukundis “Designing a Fast, Efficient, Cache-friendly Hash Table, Step by Step”
Requirements: SSE2
Hash function used for testing purposes: DJB2
Apache License, Version 2.0 (http://www.apache.org/licenses/LICENSE-2.0)