I've been running the latency test from the applications menu as I  
experiment with my graphics setup. Today I discovered the command-line  
version, and ran that. What's confusing is that I get different  
results depending on which one I run.

When I run the command-line version, the worst latency I ever see is  
about 12 microseconds. This seems fine.

When I run the GUI version, it's more like 25 microseconds, but very  
occasionally I see numbers greater than 100 microseconds. This seems  
not so fine at all.

Any idea what's going on here? Which numbers should I believe?

Neil

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