42 open source projects by lemire

a fast heap-based priority queue in JavaScript

A fast alternative to the modulo reduction

C library implementing the ridiculously fast CLHash hashing function

A C/C++ header file for fast 32-bit division remainders (and divisibility tests) on 64-bit hardware.

External-Memory Sorting in Java

Fast integer compression in C using the StreamVByte codec

Rolling Hash C++ Library

Benchmark showing the we can randomly hash strings very quickly with good universality

Speed-optimized BitSet implementation for modern browsers and JavaScript engines

A simple script to help programmers who want to work within Docker

Fast decoder for VByte-compressed integers

C library to remove white space from strings as fast as possible

High-performance dictionary coding

A simple bitset library in C

Compressed bitmaps in C#

Vectorized version of the PCG random number generator

Pruning elements in SIMD vectors (i.e., packing left elements)

Simple benchmark between compressed bitmap libraries in Java

The FastPFOR C++ library: Fast integer compression

A compressed alternative to the Java BitSet class

This is a repository for the code posted on my blog

A simple integer compression library in Java

Fast function to parse strings into double (binary64) floating-point values, enforces the RFC 7159 (JSON standard) grammar: 4x faster than strtod

A compressed bitmap class in C++.

A simple C library for compressing lists of integers using binary packing

SIMD-accelerated base64 codecs

A C++ library to compress and intersect sorted lists of integers using SIMD instructions

header-only library to validate utf-8 strings at high speeds (using SIMD instructions)

Bloofi: A java implementation of multidimensional Bloom filters

Fast random number generators: Vectorized (SIMD) version of xorshift128+

Vectorized (AVX) version of the game of life

Fast maximum-minimum filters implemented in C++

Random material having to do with Daniel Lemire's talks

A fast Bitset class in Swift

A Variable-Length String Hashing Library in C++

Dumps of CRoaring unity builds (for convenience)

A better compressed bitset in Java

Simple C++ code to benchmark fast division algorithms

A simple utility to index wikipedia dumps using Lucene.

iOS app to test memory-level parallelism

Fast integer compression library in JavaScript

C++ library to pack and unpack vectors of integers having a small range of values using a technique called Frame of Reference