Performance analysis of the GR712RC dual-core LEON3FT SPARC V8 processor in an asymmetric multi-processing environment
2016
In this paper we present the results of a series of performance tests carried out on a prototype board mounting the
Cobham Gaisler GR712RC Dual Core LEON3FT processor. The aim was the characterization of the performances of the
dual core processor when used for executing a highly demanding lossless compression task, acting on data segments
continuously copied from the static memory to the processor RAM. The selection of the compression activity to evaluate
the performances was driven by the possibility of a comparison with previously executed tests on the Cobham/Aeroflex
Gaisler UT699 LEON3FT SPARC™ V8. The results of the test activity have shown a factor 1.6 of improvement with
respect to the previous tests, which can easily be improved by adopting a faster onboard board clock, and provided
indications on the best size of the data chunks to be used in the compression activity.
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