Support SIMD low-memory overhead and high-performance adaptive radix tree.

Last update: Sep 7, 2022

Overview

Artful

Artful is an adaptive radix tree library for Rust. At a high-level, it's like a BTreeMap. It is based on the implementation of paper, see The Adaptive Radix Tree: ARTful indexing for Main-Memory Databases for more information.

Artful is available on crates.io, and API Documentation is available on docs.rs.

Features

API similar to a BTreeMap<K,V>
Support SIMD instructions operations

Using Artful

Artful is available on crates.io The recommended way to use it is to add a line into your Cargo.toml such as:

[dependencies]
artful = "0.1.1"

Contribution

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Comments

support get_mut
Most people want returns a mutable reference to the value corresponding to the key

the api just like

pub fn get_mut<K: ArtKey>(&mut self, key: K) -> Option<&mut V> where K: Borrow<K>
kind/enhancement help wanted kind/feature
opened by pidb 0
Clean duplicate algorithm codes

Due to Rust's memory model, the current implementation uses a lot of repetitive code to support Mutable and immutable methods. So, we want clean this duplicated codes.

In particular, we will introduce a new generic parameter type BorrowType for static dispatch different methods between Mut and Immut.

In high-level, the basic idea is shown below:

kind/documentation duplicate kind/enhancement help wanted kind/cleanup kind/feature

opened by pidb 2
SIMD instruction for node4
Basic idea 💡

The order of node4 keys is not maintained.

For insert_child, append-only.

For remove_child, the child at the corresponding index is marked as none.

For get_child, use the SIMD.

For shrink_to_fit, use SIMD to find the only child that is not none.

Therefore, two basic operations need to be implemented using SIMD

Input key byte, return the index of the corresponding child

Find the index of the only child that is not empty

kind/feature
opened by pidb 0
release v0.1
To release v0.1.0, here's what to do

[x] basic insert

[x] basic get

[x] #2

[x] support find use simd in node16

[x] x86 and x86_64 instructions (sse2)

[x] arm/aarch64 simd instructions (neon)

[x] #3

[x] x86 and x86_64 instructions (sse2)

[x] arm/aarch65 simd instructions (neon)

[x] #6

[x] #7

[x] #12

[x] #15

[x] #18

[x] #19

[x] #22

[x] #23

[ ] #24

[x] #25

[ ] #26

[x] #29

[ ] #31

kind/enhancement good first issue
opened by pidb 0

Owner

future

GitHub https://docs.rs/artful/latest/artful/

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Support SIMD low-memory overhead and high-performance adaptive radix tree.

Related tags

Overview

Artful

Features

Using Artful

Contribution

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