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I am a Ph.D. candidate in the department of Computer Science at Cornell University where I am advised by Rachee Singh. My research spans systems and networking, specifically, systems for machine learning. I am interested in both accelerating distributed ML by understanding existing interconnects such as Nvlinks and developing collective communication stacks for promising new interconnects such as silicon photonics. I am supported by the Bowers CIS-LinkedIn grant for the academic year 2024-2025.

Before joining Cornell, I had a wonderful time in the Systems group at Microsoft Research India. Here, I was advised by Dr. Muthian Sivathanu and Dr. Saikat Guha while working on mobile networks and storage stack for deep learning frameworks.

Prior to that, I obtained my undergraduate degree in Information Science and Engineering from PES University, Bengaluru. During my undergraduate degree, I was introduced to systems research as an intern at Microsoft Research India. I also spent memorable six months in the industry as an intern at Intuit India during my final semester of undergraduate degree.

You can find my CV here: [PDF].

In my free time, I like to run 5Ks on this track, eat chaats with friends and play RPG games on PS5. My personal favorite is Dragon Ball Z sparking zero.

Publications

Aqua: Network-Accelerated Memory Offloading for LLMs in Scale-Up GPU Domains
Abhishek Vijaya Kumar, Gianni Antichi, Rachee Singh
ASPLOS, 2025

[PDF] [BibTex]

Chip-to-chip photonic connectivity in multi-accelerator servers for ML
Abhishek Vijaya Kumar, Arjun Devraj, Darius Bunandar, Rachee Singh
Optical Fiber Communication Conference (OFC), 2025

[PDF] [BibTex]

A case for server-scale photonic connectivity
Abhishek Vijaya Kumar, Arjun Devraj, Darius Bunandar, Rachee Singh
HotNets, 2024

[PDF] [BibTex]

Chisel: An optical slice of the wide-area network
Abhishek Vijaya Kumar, Bill Owens, Nikolaj Bjoner, Binbin Guan, Yawei Yin, Victor Bahl, Rachee Singh
NSDI, 2024

[PDF] [BibTex]

Quiver: An Informed Storage Cache for Deep Learning
Abhishek Vijaya Kumar, Muthian Sivathanu
FAST, 2020

[PDF][BibTex]

Contact

Please feel free to contact me or drop by my office if you are at Cornell.

Email: abhishek [at] cs [dot] cornell [dot] edu

Office: 301, Bill and Melinda Gates Hall, 107 Hoy Road, Ithaca, NY, 14853 .