David Chen / Academic work

Publications

Research in computer architecture and hardware systems.

Full publication record on Google Scholar

2026

ISPASS 2026

CCPA: A Concurrent Content Processing Architecture for Hardware Firewalls

S. Chen, S. Pal, R. Kumar

Separating stateful inspection from content processing to let hardware firewalls inspect packets concurrently across multiple processing cards.

Paper Slides DOI Google Scholar Details

Architecture diagram showing concurrent content processing in a hardware firewall

2025

ICCAD 2025

Waferscale Silicon Photonics Systems: A Cost-Benefit Analysis and Optimization

R. Bao, Z. Cai, S. Chen, A. Joshi, D. Bunandar, R. Kumar

Comparing photonic and electrical interconnects at waferscale, and designing waveguide networks that reduce power overheads and support highly connected topologies.

Paper DOI Google Scholar Details

Waveguide network connecting transceiver banks across tiles, with Mach-Zehnder switches enabling reconfigurable logical topologies

2024

ISCA 2024IEEE Micro Top Pick 2025

Waferscale Network Switches

S. Chen, S. Pal, R. Kumar

Exploring the architecture, bandwidth, and power tradeoffs of chiplet-based waferscale switches for larger, more connected computing systems.

Paper Slides DOI Google Scholar Details

Exploded model of a waferscale network switch with optical I/O chiplets and power delivery