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Where's the Latency? Performance analysis of GPSes and GPSD

published 862 days, 22 hours, 11 minutes ago posted by

http://jonnyboats.wordpress.com/ 944 days, 16 hours, 18 minutes ago

Where's the Latency? Performance analysis of GPSes and GPSD

Where's the Latency? Performance analysis of GPSes and GPSD Eric Steven Raymond

Abstract

Many GPS manufacturers tout binary protocols more dense than NMEA and baud rates higher than the NMEA-standard 4800 bps as ways to increase GPS performance. While working on gpsd, I became interested in evaluating these claims, which have some implications for the design of gpsd. This paper discusses the theory and the results of profiling the code, and reaches some conclusions about system tuning and latency control.

category: News | clicked: 2 | | source: gpsd.berlios.de | show counter code

tags: GPS

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