一作FAST 2026Oral· Storage & File Systems
DPAS: A Prompt, Accurate and Safe I/O Completion Method for SSDs
Dongjoo Seo · Jihyeon Jung · Yeohwan Yoon · Ping-Xiang Chen · Yongsoo Joo · Sung-Soo Lim · Nikil Dutt
摘要
Modern SSDs demand faster I/O completion methods. While polling is a potential alternative to interrupts, it suffers under CPU contention. Hybrid polling mitigates this by sleeping early and polling later, yet it cannot keep up with rapidly varying I/O latencies and incurs context-switch overhead...
效率与系统OpenReview