On Tue, 2013-07-30 at 13:39 +0100, David Matthews wrote:
> A major difficulty with measuring timing when the runs are only a few 
> seconds is that garbage-collection can have a significant effect. 
> Depending on what has happened before the run starts it is possible that 
> a GC may happen during the run, distorting the figures.  With short runs 
> there will probably be only a single GC if it happens at all.  Runs of 
> only a few seconds are a useful indication but to get consistent figures 
> it's probably necessary for a run to take several minutes and involve 
> multiple garbage collections.

It may be worth calling "PolyML.fullGC ()" immediately before short
benchmarks. Together with suitable memory parameters, this could
perhaps avoid GC during short runs.

Best,
Tjark

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