Less noisy graphs

[timmc]

The graphs would be easier to interpret if the y-axis were anchored to zero.

A minimum range of about 3x the height of the noise floor would also be nice.

(Sorry, I don't know gnuplot syntax, otherwise I'd send a pull request.)

[netguy204]

Now anchored to zero.

Do you think that the standard deviation be a reasonable surrogate for computing the noise-floor or did you have a specific approach in mind.

[timmc]

Hmm, now the tops of some of the graphs are getting cut off. :-/

By noise-floor I suppose I meant the granularity of your benchmarking tool (as an acceptable surrogate.) If you can't reliably measure with greater precision than (say) 10 ms, then maybe the graph should be at least 30 ms tall.

[netguy204]

I see. I don't actually have enough data collected yet to estimate that
value.

In the mean time, a range of 0 through
(max 300
(min highest-point
(+ lowest-point (* 3 sigma))))

looks pretty good (to me.)

On Tue, May 29, 2012 at 9:52 PM, Tim McCormack <
reply@reply.github.com

wrote:

Hmm, now the tops of some of the graphs are getting cut off. :-/

By noise-floor I suppose I meant the granularity of your benchmarking tool
(as an acceptable surrogate.) If you can't reliably measure with greater
precision than (say) 10 ms, then maybe the graph should be at least 30 ms
tall.

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