On Tue, Oct 21, 2003 at 12:16:04AM -0400, Daniel Berlin wrote:
>
> On Oct 19, 2003, at 6:55 PM, David Kimdon wrote:
>
> >Hi,
> >
> >The included patch removes vdelta calculation when we are sending the
> >full text of the target.
>
> Except that vdelta against an empty bytestream will be quite a bit
> smaller.
true. I did a few tests and the vdelta against empty bytestream
compresses data to about one half the original size. This makes this
optimization only interesting to a rather niche market. Anyone who
wants to lower CPU load on the producer and send more data would like
it, but I'm not sure who would want to double the data sent.
>
> This should probably be controlled by some option, since it's not
> always a win for everyone (it depends on your network connection speed,
> etc)
At this point I'm thinking if it isn't an all around win then it
should probably not happen. I spent some time looking at trying to
get some less CPU intensive compression that the consumer would still
be happy with, but as Greg already pointed out, there isn't an obvious
way of doing that.
-David
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Received on Tue Oct 21 23:18:12 2003