About
I lead the QUEST Research Group at UW–Madison. My group co-designs software, compilers, control, architecture, and error correction to make quantum computers scalable, reliable, and useful. We emphasize rigorous systems thinking—from algorithms and compilers to real-time decoders and run-time control—grounded in concrete hardware.
Research
We treat designing quantum computers as a systems problem. Our work is organized into three broad, thrusts that make real machines faster, more reliable, and easier to program:
- Classical quantum control at scale: Understand and optimize the hardware overheads of controlling quantum devices—from calibration and readout to real‑time feedback—to enable effective quantum error correction.
- Efficient, heterogeneous fault‑tolerant architectures : Design and evaluate architectures that mix codes, decoders, and accelerators to run applications efficiently and reliably.
- Quantum runtime & compilers: Build runtimes and compilers that map, route, schedule, and optimize programs for real devices, exposing the right abstractions while meeting hardware timing and error‑rate constraints.
Publications
2026
- A Case for Elastic Quantum Error Correction Decoders
Satvik Maurya, Abtin Molavi, Aws Albarghouthi, and Swamit Tannu
Proceedings of the 21st European Conference on Computer Systems (EUROSYS 2026) -
Efficient Unitary Synthesis for Early Fault-Tolerant Architectures
Tianyi Hao, Amanda Xu, Swamit Tannu
International Conference on Architectural Support for Programming Languages and Operating Systems (ASPLOS 2026) -
PropHunt: Automated Optimization of Quantum Syndrome Measurement Circuits
Joshua Viszlai, Satvik Maurya, Swamit Tannu, Margaret Martonosi, Fred Chong
International Conference on Architectural Support for Programming Languages and Operating Systems (ASPLOS 2026) -
Generating Compilers for Qubit Mapping and Routing
Abtin Molavi, Amanda Xu, Ethan Cecchetti, Swamit Tannu, Aws Albarghouthi
Symposium on Principles of Programming Languages (POPL 2026)
2025
-
Accurate Leakage Speculation for Quantum Error Correction
Chaithanya Naik Mude, Swamit Tannu
Annual IEEE/ACM International Symposium on Microarchitecture (MICRO 2025) -
Synchronization for Fault-Tolerant Quantum Computers
Satvik Maurya, Swamit Tannu
International Symposium on Computer Architecture (ISCA 2025) -
Efficient and Scalable Quantum Circuit Simulator using Computational Reuse
Meng Wang, Swamit Tannu, Prashant Nair
International Symposium on Computer Architecture (ISCA 2025) -
Efficient and Scalable Architecture for Multi-level Superconducting Qubit Readout
Chaithanya Naik Mude, Satvik Maurya, Benjamin Lienhard, Swamit Tannu
ACM/IEEE Design Automation Conference (DAC 2025) -
Optimizing Quantum Circuits, Fast and Slow
Amanda Xu, Abtin Molavi, Swamit Tannu, Aws Albarghouthi
International Conference on Architectural Support for Programming Languages and Operating Systems (ASPLOS 2025) -
Dependency-Aware Compilation for Surface Code Quantum Architectures
Abtin Molavi, Amanda Xu, Swamit Tannu, Aws Albarghouthi
Object-oriented Programming, Systems, Languages, and Applications (OOPSLA 2025) -
Crosstalk-induced Side Channel Threats in Multi-Tenant NISQ Computers
Navnil Choudhury, Chaithanya Naik Mude, Sanjay Das, Preetham Chandra Tikkireddi, Swamit Tannu, Kanad Basu
The Network and Distributed System Security (NDSS 2025)
2024
-
Variational Quantum Algorithm Landscape Reconstruction by Low-Rank Tensor Completion
Tianyi Hao, Zichang He, Ruslan Shaydulin, Marco Pistoia, Swamit Tannu
IEEE International Conference on Quantum Computing & Engineering (QCE 2024) -
Understanding Side-Channel Vulnerabilities in Superconducting Qubit Readout Architectures
Satvik Maurya, Chaithanya Naik Mude, Benjamin Lienhard, Swamit Tannu
IEEE International Conference on Quantum Computing & Engineering (QCE 2024)
2023
-
Scaling Qubit Readout with Hardware Efficient Machine Learning Architectures
Satvik Maurya, Chaithanya Naik Mude, William Oliver, Benjamin Lienhard, Swamit Tannu
International Symposium on Computer Architecture (ISCA 2023) -
Enabling High Performance Debugging for Variational Quantum Algorithms using Compressed Sensing
Kun Liu*, Tianyi Hao*, Swamit Tannu
International Symposium on Computer Architecture (ISCA 2023) -
Synthesizing Quantum-Circuit Optimizers
Amanda Xu, Abtin Molavi, Lauren Pick, Swamit Tannu, Aws Albarghouthi
ACM SIGPLAN International Conference on Programming Language Design and Implementation (PLDI 2023) -
SuperBP: Design Space Exploration of Perceptron-Based Branch Predictors for Superconducting CPUs
Haipeng Zha, Swamit Tannu, Murali Annavaram
International Symposium on Microarchitecture (MICRO 2023)
2022
-
COMPAQT: Compressed Waveform Memory Architecture for Scalable Qubit Control
Satvik Maurya, Swamit Tannu
55th Annual IEEE/ACM International Symposium on Microarchitecture (MICRO 2022) -
Qubit Mapping and Routing via MaxSAT
Abtin Molavi, Amanda Xu, Martin Diges, Lauren Pick, Swamit Tannu, Aws Albarghouthi
55th Annual IEEE/ACM International Symposium on Microarchitecture (MICRO 2022) -
HAMMER: Boosting Fidelity of Noisy Quantum Circuits by Exploiting Hamming Behavior
Swamit Tannu, Poulami Das, Ramin Ayanzadeh, Moinuddin Qureshi
ACM International Conference on Architectural Support for Programming Languages and Operating Systems (ASPLOS 2022) -
The Dirty Secret of SSDs: Embodied Carbon
Swamit Tannu, Prashant Nair
Workshop on Sustainable Computer Systems Design and Implementation (HotCarbon 2022)
2021
-
ADAPT: Mitigating Idling Errors in Qubits via Adaptive Dynamical Decoupling
Poulami Das*, Swamit Tannu*, Siddarth Dangwal, Moinuddin Qureshi
Proceedings of the 54th Annual IEEE/ACM International Symposium on Microarchitecture (MICRO 2021) -
JigSaw: Boosting Fidelity of NISQ Programs via Measurement Subsetting
Poulami Das, Swamit Tannu, Moinuddin Qureshi
Proceedings of the 54th Annual IEEE/ACM International Symposium on Microarchitecture (MICRO 2021)
2019
-
Ensemble of Diverse Mappings: Improving Reliability of Quantum Computers by Orchestrating Dissimilar Mistakes
Swamit Tannu, Moinuddin Qureshi
52nd Annual IEEE/ACM International Symposium on Microarchitecture (MICRO’19) -
Mitigating Measurement Errors in Quantum Computers by Exploiting State-Dependent Bias
Swamit Tannu, Moinuddin Qureshi
52nd Annual IEEE/ACM International Symposium on Microarchitecture (MICRO’19) -
A Case for Multi-Programming Quantum Computers
Poulami Das, Swamit Tannu, Prashant Nair, Moinuddin Qureshi
52nd Annual IEEE/ACM International Symposium on Microarchitecture (MICRO’19) -
Not all Qubits Are Created Equal: A Case for Variability-Aware Policies for NISQ-Era Quantum Computers
Swamit Tannu, Moinuddin Qureshi
24th ACM International Conference on Architectural Support for Programming Languages and Operating Systems (ASPLOS’19) -
A Case for Superconducting Accelerators
Swamit Tannu, Poulami Das, Michael Lewis, Robert Krick, Douglas Carmean, Moinuddin Qureshi
ACM International Conference on Computing Frontiers 2019 (CF’19) [Best Paper Award]
2017
-
Taming the Instruction Bandwidth of Quantum Computers via Hardware-Managed Error Correction
Swamit Tannu, Zachery Myers, Prashant Nair, Douglas Carmean, Moinuddin Qureshi
50th Annual IEEE/ACM International Symposium on Microarchitecture (MICRO’17) -
Cryogenic-DRAM based memory system for scalable quantum computers: a feasibility study
Swamit Tannu, Douglas Carmean, Moinuddin Qureshi
International Symposium on Memory Systems (MEMSYS’17) [Best Presentation Award]
Teaching
- CS 758 — Advanced Topics in Computer Architecture: Fault-Tolerant Quantum Architecture.
- CS 639 — Systems Architecture for Quantum Computers.
- CS 838 Seminar: Quantum Computing — weekly talks/panels on state‑of‑the‑art research.
- CS 552: Introduction to Computer Architecture.
- CS 752: Advanced Computer Architecture.
Selected Service & Awards
- NSF CAREER Award
- Program Committee Member: ISCA (2021-2026), MICRO (2021-2025), ASPLOS (2022-2025), HPCA (2021-2026)
- Inducted in MICRO Hall of Fame
- Best Paper Award — ACM Computing Frontiers (2019)
Contact
Department of Computer Sciences
University of Wisconsin–Madison
1205 University Ave, Madison, WI 53706, USA
Prospective students: Please email with a brief background and how your interests align with our current thrusts (readout & sensing, decoders, compilers, FTQC systems).