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Projects:

Systems

Bayou : A weekly connected distributed storage system
Networked file system : User level networked file system implemented using Fuse and libssh (write up)
ELF loader : Program to load elf executables to memory using mmap. Includes three different implementations: basic loader (maps all pages including bss segments), on demand loader (pages are only mapped when accessed) and hybrid loader (maps pages based on hueristic) (write up)
Libfastpaxos port : Successfully ported libfastpaxos to a distributed simulator (write up)
Paxos : Replicated bank applicaiton using Paxos protocol

Perfexpert : Contributed ability to get metrics for set associated cache conflicts to give relevant code change suggestions to high performance applications.
DFA framework and LLVM passes : Implementation of Framework for data flow analysis and LLVM passes that include Local Optimizations (constant folding, strength reduction, algebraic identity), LICM (loop invariant code motion) and Dead code elimination
Phase order optimization in compilers : Phase ordering of compile optimization using ML with static and dynamic features (write up)
Instrumentation tools : Tools to instrument C++ code using clang for memory accesses and to parse the output from valgrind. It generates the binary that can be analyzed using perfexpert
Undergrad Projects : Compiler, NFS, Vertex Cover, etc

Chatty Meanbot : A jabber client bot.
CLI Resume : Creates an online resume with command line interface using data from Linkedin. (demo)
Listener Bot : An android app to receive notifications using GCM
Mr. Mean Bot : Twitter Dictionary bot
Reverse geo coding : Address from coordinates using Yahoo! Api.
Ride Aggregator : Application that compares fares between different ride services

mdpresent : Tool to create presentation from markdown (uses mdpress) and deploys them to heroku.
Lyricit : Gem to update itunes lyrics from command line.
Benchmark tools : Tools to simulate cache and code for getting hardware counters

Modularize Sinatra : Modularized Code Generator for Sinatra.
dotfiles : Dotfiles to replicate my development environment.
Mbdb : Implementation of MDB (miniature database) that uses Berkley DB as backend to support subset of SQL