Slow inventory extraction from weavefile

[Aaron Bentley]

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Martin Pool wrote:
> On 04/10/05, John A Meinel <john at arbash-meinel.com> wrote:
> 
>>I don't know what the target speed is, but with the latest bzr.newformat
>>tree, on my old 450MHz celeron, it takes >1.5 seconds per inventory that
>>I want to extract. (For 20 revision, it took 36 seconds, over the course
>>of all revisions, it took between 1.8-2.0s per revision).
> 
> 
> I don't have a specific target in mind, other than that it should be
> fast enough for large projects on typical machines.   450Mhz is
> perhaps a bit slow.

Yeah 450 is slow.  I'd target maybe 1.5 GHz machines.  But when you
consider that weaves were invented 30 years ago, and intended to be
fast, I wonder whether we're missing any optimization tricks.

Aaron
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