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Ambric
Ambric architecture and processors were developed by Ambric, Inc. Its Am2045 Massively Parallel Processor Array (MPPA) chips were primarily used in high-performance embedded systems such as medical imaging, video, and signal-processing. Ambric was founded in 2003, developed and introduced the Am2045 and its software tools in 2007, and fell victim to the crash of 2008. Ambric's Am2045 and tools remained available through Nethra Imaging, Inc., which closed in 2012.
==Architecture and Programming Model==
Ambric architecture is a massively parallel distributed memory multiprocessor, based on the Structural Object Programming Model.〔Mike Butts, Anthony Mark Jones, Paul Wasson, "A Structural Object Programming Model, Architecture, Chip and Tools for Reconfigurable Computing", Proceedings of FCCM, April 2007, IEEE Computer Society〕〔Anthony Mark Jones, Mike Butts. "TeraOPS Hardware: A New Massively-Parallel MIMD Computing Fabric IC", IEEE Hot Chips Symposium, August 2006, IEEE Computer Society〕 Each processor is programmed in conventional Java (a strict subset) and/or assembly code. The hundreds of processors on the chip send data and control messages to one another through an interconnect of reconfigurable, self-synchronizing channels, which provide both communication and synchronization.〔Mike Butts, "Synchronization through Communication in a Massively Parallel Processor Array", IEEE Micro, vol. 27, no. 5, pp. 32-40, September/October 2007, IEEE Computer Society〕 The model of computation is very similar to a Kahn process network with bounded buffers.
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