ARTful

ARTful radix tree preliminary version with initial support for inserts and finds only.

Note: Please find a more recent version containing numerous bug fixes and that supports deletes at github.com/malbrain/database.

ARTfulkv.c: initial version with a latch for every slot in the radix trie.

ARTfulkv2.c: advanced multi-threaded version that only latches one slot per insert ARTfulkv3.c: clean-up, move slot type to slot entry. Revamp cmd interface. ARTfulkv4.c: more clean-up. ARTfulkv5.c: Rework node locking. ARTfulkv6.c: experimental version.

To compile the source code: cc -c ARTfulkv5.c -o ARTfulkv5 -O3 -lpthread

To time 16M inserts and finds of 4 byte random keys by a single thread: ./ARTfulkv5 xyz 4x 16000000

To time 16M inserts and finds of 4 byte random keys with 4 threads: ./ARTfulkv5 xyz 4x 4000000 4000000 4000000 4000000

To time sorting and subsequent finding of 10 byte key pennysort key segments: ./ARTfulkv5 xyz wf pennysortkeys*

To time sorting and subsequent listing of 10 byte key pennysort file segments: ./ARTfulkv5 xyz ps pennysort*

To time sorting and subsequent listing of two arbitrary files: ./ARTfulkv5 xyz ws file1 file2

An experimental version ARTfulkv6.c has better performance and a smaller footprint than ARTfulkv5.

malbrain/ARTful

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