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From: | Marcus D. Leech |
Subject: | Re: [Discuss-gnuradio] Raspberry Pi Activity? |
Date: | Thu, 17 Jan 2013 15:00:06 -0500 |
User-agent: | Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.24) Gecko/20111108 Fedora/3.1.16-1.fc14 Thunderbird/3.1.16 |
I wonder if, like on x86-type systems, the GPU interface is high enough latency that its tremendous throughput is tempered quite significantly byMarcus, Phillip, Thomas, Aylons, & Iain, Thanks for all the good ARM info. Obviously ARM is not my area of expertise. As for the R-Pi, yes its a toy. I'm just casting about for interesting things to do with it, and wondered if it, combined with a B100 or a USRP1, might make up a low-power/ low-cost transceiver with just enough capability to make it suitable for a small spacecraft. Hopefully, someone with time on their hands will feel challenged enough to try and reverse-engineer the GPU driver code to the point where it can be incorporated into volk. Meanwhile, it sounds like the Beagle Bone would be a better choice.
the high latency and "setup" costs.There's good reasons that there haven't been any really spectacularly-successful integrations of GPUs into GR flows -- it doesn't actually work
that well from a performance perspective. -- Marcus Leech Principal Investigator Shirleys Bay Radio Astronomy Consortium http://www.sbrac.org
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