[Smtk-developers] Some timing data

[David Thompson]

Hi all,

Hoping that things would change for the better, I built CGM and SMTK with OpenCascade 6.8 (as well as 6.5 that is in the superbuild already). Attached is a graph showing that 6.8 is often slower than 6.5 in generating surface tessellations for display. In the graph, blue points are timings from OCC6.5 and red from OCC6.8. The largest model tested was the stargate model. Both versions of OCC were compiled in release mode.

The raw data is also attached and includes timings of loads with and without tessellations being generated (in the latter case, the number of primitives and vertices reported will be 0).

	David
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