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View Code? Open in Web Editor NEWFast, memory-efficient, minimal-serialization, binary data vectors for Scala and other languages
License: Apache License 2.0
Fast, memory-efficient, minimal-serialization, binary data vectors for Scala and other languages
License: Apache License 2.0
Open hash map using Hopscotch Hashing:
https://en.wikipedia.org/wiki/Hopscotch_hashing
Would be pretty impressive esp if it could be off heap.
Key questions:
BigDecimal has two components: a variable precision unscaled value and a 32-bit scale.
2. Filo binary format
Implement extremely fast summation and other math operations for integral and float/double vectors.
Some papers to look at:
Scala's Traversable trait is really slow due to boxing and other issues. Instead, use one of these projects to get a much faster API:
Something to abstract the UNSAFE methods so that upgrade to JDK9 can be smoother.
https://github.com/real-logic/Agrona/tree/master/agrona/src/main/java/org/agrona
https://github.com/OpenHFT/Chronicle-Bytes/tree/master/src/main/java/net/openhft/chronicle/bytes
Agrona is on maven central:
https://mvnrepository.com/artifact/org.agrona/Agrona/0.9.1
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