Douglas B. Rumbaugh

Ph.D. Candidate in Computer Science

Penn State University

Biography

Douglas Rumbaugh is a Ph.D. Candidate in computer science, under Dr. Dong Xie at Penn State University. Prior to this, he was a member of the computer science faculty at Harrisburg University of Science and Technology, as well as an IT consultant working with both legacy and modern data systems. He holds degrees in both computer science and mechanical engineering, and enjoys programming, working with Unix-like systems, and teaching.

Interests

Systems Programming
Fluid Mechanics
Physical Chemistry
Parliamentary Procedure
Ballroom Dance
Forestry and Conservation

Education

M.S. in Computer Science, 2023

Penn State University
M.S. in Mechanical Engineering, 2018

Lehigh University
B.S. in Computer and Information Sciences, 2016

Harrisburg University of Science and Technology

Selected Publications

Douglas B. Rumbaugh, Dong Xie (2023). Practical Dynamic Extension for Sampling Indexes. PACMMOD.

See all publications

Blog

Linked Lists Revisited

In a previous post I discussed linked lists versus arrays, and ran a number of simple benchmarks with both structures to demonstrate that the common advice of “use linked lists for insertion heavy workloads” doesn’t always pan out in practice.

Douglas Rumbaugh

Dec 13, 2023 5 min read

Asynchronous Task Dependency Management with Promises and Futures

I was recently working on a project which involved performing a number of tasks asynchronously, with the constraint that the tasks could be performed in any order, but they must “commit” in a specific order based on a dependency chain.

Douglas Rumbaugh

Nov 6, 2023 7 min read

Processing Big Data on the Linux Shell

Recently, I needed to generate and process multi-billion record synthetic datasets for some data structure benchmarking. Rather than write a bunch of custom code to do this processing, I decided to try using shell scripts and standard system utilities.

Douglas Rumbaugh

Oct 18, 2023 8 min read