~bzr-pqm/bzr/bzr.dev

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(jameinel) use StaticTuple for dirstate and don't use sets in _id_index for
improved memory use (John A Meinel)

added added

removed removed

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down to 247MB, expect even more significant savings on 64-bit platforms.

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(John Arbash Meinel)

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* ``DirState`` internals use a little bit less memory. For bzr.dev it

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drops the memory from 1MB down to about 800kB. And replaces a few

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thousand tuples and sets with StaticTuple. (John Arbash Meinel)

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* Inventory entries now consume less memory (on 32-bit Ubuntu file entries

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have dropped from 68 bytes to 40, and directory entries from 120 bytes

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to 48). (Andrew Bennetts)