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unordered_dense
A fast & densely stored hashmap and hashset based on robin-hood backward shift deletion
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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
When no ordering is necessary and the number of elements is larger than 20, nothing beats https://github.com/martinus/unordered_dense (for general use).
We added two new benchmarks to Boost.Unordered, word_count and word_size, and the second one ends up testing a small hash table (114 elements in 64 bit, even fewer in 32 bit because we use a smaller input file there.)
You can see the current results here.
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