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Configurable Processors as an Alternative to FPGAs

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almaktabi
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Re: FPGA coprocessing
almaktabi   7/6/2013 4:51:50 AM
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Here is a link from Microsoft Reseach describing how to do what you want...

http://research.microsoft.com/apps/video/default.aspx?id=103616

luting
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CEO
Interesting idea but not sure will fly
luting   7/3/2013 12:11:08 PM
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I don't have high confidence on this type of architecture for following reasons:

1. Hard to leverage existing eco system: Compiler, Debug, library, etc

2. Hard to expect SW engineer to write a program leverage such architecture efficienctly

3. With Program SoC from Xilinx and Altera in market, there is not enough market space left for such ideal to grow

bobdvb
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FPGA coprocessing
bobdvb   7/3/2013 7:49:45 AM
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I really want to see hybrid chips like Zynq get somewhere in the market, but the flexibility needs to be more accessible. I would like to see something along the lines of an FPGA JIT, where the OS on the fixed CPU recognises it is doing something difficult and automatically programmes a segment of the FPGA to offload that task. Think back to the transputer concepts of the 80s, well we are now doing this in software with JIT optimisation of code but we should push some of that back down to the hardware. I can foresee a JIT which reprogrammes an FPGA, I just can't make it happen.

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David Patterson, known for his pioneering research that led to RAID, clusters and more, is part of a team at UC Berkeley that recently made its RISC-V processor architecture an open source hardware offering. We talk with Patterson and one of his colleagues behind the effort about the opportunities they see, what new kinds of designs they hope to enable and what it means for today’s commercial processor giants such as Intel, ARM and Imagination Technologies.