omarmahamid

1brc

1️⃣🐝🏎️ The One Billion Row Challenge -- A fun exploration of how quickly 1B rows from a text file can be aggregated with Java

2D-Elliptic-Mesh-Generator

2D orthogonal elliptic mesh generator which solves the Winslow partial differential equations

algorithm-per-week

Advanced algorithms, parallel algorithms every week.

Cassandra-Example

using cassandra as a Data Base

Compiler

build a compiler for a made-up OOP called mini-java which is a subset of Java, building the compiler from scratch

DynamicPojo

creating dynamic pojos, with compiling in runtime.

Java

All Algorithms implemented in Java

NumericalAnalysisMethods

Numerical analysis methods for a university course

piggymetrics

Microservice Architecture with Spring Boot, Spring Cloud and Docker

REST-Shop

This Spring Boot application exposes a REST interface through which design and implement an online "Store" that should enable multiple sellers to set up shops that buyers can purchase

omarmahamid/imixs-workflow

The open source technology for business process management

omarmahamid/kanzi

Lossless data compression in Java

omarmahamid/FFT-String-Matching-Algorithm

String matching algorithm using Fast Fourier Transform

omarmahamid/ddogleg

Java numerics library for optimization, polynomial root finding, sorting, robust model fitting, and more.

omarmahamid/Lamport-bakery-algorithm

omarmahamid/2SAT

2-SAT solver

omarmahamid/ejml

A fast and easy to use linear algebra library written in Java for dense, sparse, real, and complex matrices.

omarmahamid/DynamicPojo

creating dynamic pojos, with compiling in runtime.

omarmahamid/InnerProductMax.jl

Data structures supporting fast maximum inner product queries in three dimensions. Final Project for MIT 6.8410 (Shape Analysis).

omarmahamid/db-scheduler

Persistent cluster-friendly scheduler for Java

omarmahamid/the-algorithm-ml

Source code for Twitter's Recommendation Algorithm

omarmahamid/the-algorithm

Source code for Twitter's Recommendation Algorithm

omarmahamid/classgraph

An uber-fast parallelized Java classpath scanner and module scanner.

omarmahamid/query-best-practices

Proof of concepts to use query filtration in DB level and not in application layer.

omarmahamid/separate-log-files-sample

here is example of how to separate log file into threads workers numbers

omarmahamid/cassandra-spring-boot

example for using spring boot to integrate cassandra,

omarmahamid/algorithm-per-week

Advanced algorithms, parallel algorithms every week.

omarmahamid/javaewah

A compressed alternative to the Java BitSet class

omarmahamid/mvel

MVEL (MVFLEX Expression Language)

omarmahamid/Games

Games: Create interesting games in pure python.

omarmahamid/Code-used-on-Daniel-Lemire-s-blog

This is a repository for the code posted on my blog

omarmahamid/disruptor

High Performance Inter-Thread Messaging Library

omarmahamid/easy-batch

The simple, stupid batch framework for Java

omarmahamid/optaplanner-work

Using optaplanner to solve many problems

omarmahamid/isort

A Python utility / library to sort imports.

omarmahamid/PowerJob

Enterprise job scheduling middleware with distributed computing ability.

omarmahamid/HiGHS

Linear optimization software

omarmahamid/sentence-completion

implementing sentence completion using advanced algorithm

omarmahamid/Algorithms

A collection of algorithms and data structures

omarmahamid/scylladb

NoSQL data store using the seastar framework, compatible with Apache Cassandra