Bazaar 1.6 released - some benchmarks.

[Nicholas Allen]

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Wow - great work!

Nick

David Ingamells wrote:
> John has sent me a patch which I've just tried and it fixes the
> performance problem I reported.
>
> With the patch on bzr.dev I now see about 15% improvement over
> version 1.5 and several hundred percent over 1.6.
>
> patch on bzr.dev (at this mornings' state):    1m5.600s bzr 1.6:
> 13m31.151s bzr 1.5:                                      1m15.564s
>
> (this was a different repos to the one I used before).
>
> Well done John!
>
>
> David.
>
> John Arbash Meinel wrote: John Arbash Meinel wrote:
>
>
>>>> Which means that we are issuing a request 2 pack A, B, C, C,
>>>> C, C, C, A.
>>>>
>>>> I'll try to dig into why we would not be collapsing 5 request
>>>> in the same pack into a single request. ...
>>>>
>
> ^- so this specifically was a red-herring. It occurred when I used
> bzr-1.5 to access via a bzr-1.6 server. Which is slower, than
> optimal, but isn't a case I'm going to try to optimize in this
> pass.
>
> I would guess that bzr-1.5 is falling back to a VersionedFile
> interface, and copying one virtual Knit at a time, which is
> preventing us from fetching the texts for multiple files in a
> single pass.
>
> John =:->
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