I looked at profile info from a run of api2.spad and it seems that
there is some inefficiency in XHashTable. Namely,
profile shows that 'localSearch' takes 20% of run time (that alone
is reasonable) and that 6% of run time is spent in
'positiveRemainder' (that is about 30% of 'localSearch' is due to
'positiveRemainder'). 'positiveRemainder' is more expensive than
necessary, because it can handle Integer. However, AFAICS
the numbers involved are nonnegative SingleInteger-s and
'rem' from SingleInteger should work fine.
--
Waldek Hebisch
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