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Garbage collection (GC) and resource contention on I/O buses (channels) are among the critical bottlenecks in Solid State Disks (SSDs) that cannot be easily hidden. Most existing I/O scheduling algorithms in the host interface logic (HIL) of state-of-the-art SSDs are oblivious to such low-level performance bottlenecks in SSDs. As a result, SSDs may violate quality of service (QoS) requirements by...
The emerging Phase Change Memory (PCM) technology exhibits excellent scalability and density potentials. At the same time, they require high current and high voltages to switch cell states. Their working voltages are provided by CMOS-compatible on-chip charge pumps (CPs). Unfortunately, CPs and particularly those for RESET, have a large parasitic power (a dominant component in total power loss) during...
The Web browser is undoubtedly the single most important application in the mobile ecosystem. An average user spends 72 minutes each day using the mobile Web browser. Web browser internal engines (e.g., WebKit) are also growing in importance because they provide a common substrate for developing various mobile Web applications. In a user-driven, interactive, and latency-sensitive environment, the...
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