Jonathan Behrens

Hi! I’m Jonathan Behrens. I’m currently a senior software engineer at Microsoft working on Azure Sphere.

Between 2016 and 2022 I did a PhD in PDOS at MIT CSAIL. My research focused on operating systems and distributed systems, during which time I was advised by Frans Kaashoek and Adam Belay.

Before MIT, I received an undergraduate degree in Computer Science from Cornell University.

Open Source

I also contribute to open source in a personal capacity, including:

• Terra a planet 3D rendering library.

• image-rs various image encoding and decoding libraries written in Rust.

• Ward Spectre/Meltdown resistant operating system kernel.

• RVirt trap-and-emulate hypervisor for RISC-V.

Publications

• There’s Always a Bigger Fish: A Clarifying Analysis of a Machine-Learning-Assisted Side-Channel Attack (ISCA 2022)

  Jack Cook, Jules Drean, Jonathan Behrens, and Mengjia Yan

• Understanding and Improving the Performance of Mitigating Transient Execution Attacks (PhD Thesis)

• Performance Evolution of Mitigating Transient Execution Attacks (EuroSys 2022)

  Jonathan Behrens, Adam Belay, and M. Frans Kaashoek

• Ward: Efficiently Mitigating Transient Execution Attacks using the Unmapped Speculation Contract (OSDI 2020)

  Jonathan Behrens, Anton Cao, Cel Skeggs, Adam Belay, M. Frans Kaashoek, and Nickolai Zeldovich

• Shenango: Achieving High CPU Efficiency for Latency-sensitive Datacenter Workloads (NSDI 2019)

  Amy Ousterhout, Joshua Fried, Jonathan Behrens, Adam Belay, and Hari Balakrishnan

• Derecho: Fast State Machine Replication for Cloud Services (TOCS April 2019)

  Sagar Jha, Jonathan Behrens, Theo Gkountouvas, Matthew Milano, Weijia Song, Edward Tremel, Sydney Zink, Kenneth P. Birman, Robbert van Renesse

• Noria: dynamic, partially-stateful data-flow for high-performance web applications (OSDI 2018)

  Jon Gjengset, Malte Schwarzkopf, Jonathan Behrens, and Lara Timbó Araújo, Martin Ek, Eddie Kohler, M. Frans Kaashoek and Robert Morris

• RDMC: A Reliable RDMA Multicast for Large Objects (DSN 2018)

  Jonathan Behrens, Sagar Jha, Ken Birman, Edward Tremel

• Distributed Dynamic Partially Stateful Dataflow (Masters Thesis)