[update 1.1] #11281

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[update 1.1] #11281

Marcus Denker-4
#11281
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Changes identityHash to cover most of the positive SmallInteger range, and uses good prime table sizes. This makes large hashed collections much faster, and does not penalize the small ones.

Targeted at Pharo Core 1.1-11280

Load the slice for each phase in order. Allow maybe half an hour to load all four phases; the intermediate phases load very slowly due to existing hashed collections running in "slow but safe" mode while their hash function changes under them.

In phase 1:

* Methods and classes that will be referenced in phase 2 are added.
This includes #basicIdentityHash and the size-selecting class.

* No behavior is changed yet.


--
Marcus Denker  -- http://www.marcusdenker.de
INRIA Lille -- Nord Europe. Team RMoD.


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