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Description
In the early days JFlex used to have a performance benchmarking suite, in particular to compare to JLex and to figure out the trade-offs for different scanning engine options (pack/table/switch etc).
It bit-rotted fairly quickly and never even made it into the public repo. It would be nice to write such a benchmarking suite again to get better information on speed/memory trade-offs like #697, #199, or #196.