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ACM Transactions on Computer Systems (TOCS), Volume 31 Issue 3, August 2013

Exploring the Tradeoffs between Programmability and Efficiency in Data-Parallel Accelerators
Yunsup Lee, Rimas Avizienis, Alex Bishara, Richard Xia, Derek Lockhart, Christopher Batten, Krste Asanović
Article No.: 6
DOI: 10.1145/2491464

We present a taxonomy and modular implementation approach for data-parallel accelerators, including the MIMD, vector-SIMD, subword-SIMD, SIMT, and vector-thread (VT) architectural design patterns. We introduce Maven, a new VT microarchitecture...

Protocol Responsibility Offloading to Improve TCP Throughput in Virtualized Environments
Sahan Gamage, Ramana Rao Kompella, Dongyan Xu, Ardalan Kangarlou
Article No.: 7
DOI: 10.1145/2491463

Virtualization is a key technology that powers cloud computing platforms such as Amazon EC2. Virtual machine (VM) consolidation, where multiple VMs share a physical host, has seen rapid adoption in practice, with increasingly large numbers of VMs...

Spanner: Google’s Globally Distributed Database
James C. Corbett, Jeffrey Dean, Michael Epstein, Andrew Fikes, Christopher Frost, J. J. Furman, Sanjay Ghemawat, Andrey Gubarev, Christopher Heiser, Peter Hochschild, Wilson Hsieh, Sebastian Kanthak, Eugene Kogan, Hongyi Li, Alexander Lloyd, Sergey Melnik, David Mwaura, David Nagle, Sean Quinlan, Rajesh Rao, Lindsay Rolig, Yasushi Saito, Michal Szymaniak, Christopher Taylor, Ruth Wang, Dale Woodford
Article No.: 8
DOI: 10.1145/2491245

Spanner is Google’s scalable, multiversion, globally distributed, and synchronously replicated database. It is the first system to distribute data at global scale and support externally-consistent distributed transactions. This article...