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[Mike Kerner]

Mike B, no, I wasn't, proving once again that I don't know everything.
Could you come over here, I need to do a mind meld.  I'll mess with that in
a minute.  I was also going to see if mySQL was any different, but I
haven't done it, yet.


On Tue, Feb 10, 2015 at 10:28 AM, Ali Lloyd <ali at runrev.com> wrote:

> > Which v7 build is that?  Is it one we have or one coming up?
>
> I've just submitted the pull request so once it's reviewed it will be
> merged and appear in the next build, so hopefully 7.0.2 RC 3.
>
> > Does LC 7 now do character references in constant (albeit a bit slower)
> time? Or linear? Or...
>
> In theory it should, yes. When you get char x of a native string, as long
> as the engine remembers that it is native, (which was fixed for a few
> missing cases in bug 14504), it will act as if you used the codeunit chunk
> instead, with the corresponding benefit of constant-time access. Indeed
> this should also work for strings that the engine is storing as utf-16
> which contain no combining characters or surrogate pairs.
>
> On 10 February 2015 at 15:11, Mike Bonner <bonnmike at gmail.com> wrote:
>
> > Thanks Ali!
> >
> > On Tue, Feb 10, 2015 at 8:10 AM, Mike Bonner <bonnmike at gmail.com> wrote:
> >
> > > Mike K, are you wrapping the inserts in a begin/commit block?  It
> makes a
> > > HUGE difference in speed. (otherwise, each is a separate transaction
> with
> > > all the overhead.  If wrapped, its a single transaction, and so much
> > > faster.
> > >
> > > On Tue, Feb 10, 2015 at 7:36 AM, Geoff Canyon <gcanyon at gmail.com>
> wrote:
> > >
> > >> Yay, that's great news. Does LC 7 now do character references in
> > constant
> > >> (albeit a bit slower) time? Or linear? Or...
> > >>
> > >> On Tue, Feb 10, 2015 at 4:50 AM, Ali Lloyd <ali at runrev.com> wrote:
> > >>
> > >> > Apologies - hit send too early.
> > >> >
> > >> >
> > >> > 6.7.1
> > >> >
> > >> > There are 2931 lines in tstart
> > >> >
> > >> > There are now 14655 lines in tstart
> > >> >
> > >> > revers(ta) took 427 ms
> > >> >
> > >> > qrevers(ta) took 6 ms
> > >> >
> > >> > Output OK
> > >> >
> > >> > krevers(ta) took 412 ms
> > >> >
> > >> > Output OK
> > >> >
> > >> >
> > >> > 7.0.2 + bugfix
> > >> >
> > >> > There are 2931 lines in tstart
> > >> >
> > >> > There are now 14655 lines in tstart
> > >> >
> > >> > revers(ta) took 142 ms
> > >> >
> > >> > qrevers(ta) took 32 ms
> > >> >
> > >> > Output OK
> > >> >
> > >> > krevers(ta) took 258 ms
> > >> >
> > >> > Output OK
> > >> >
> > >> > On 10 February 2015 at 04:10, Kay C Lan <lan.kc.macmail at gmail.com>
> > >> wrote:
> > >> >
> > >> > > On Tue, Feb 10, 2015 at 11:58 AM, Geoff Canyon <gcanyon at gmail.com
> >
> > >> > wrote:
> > >> > >
> > >> > > > It seems that what we've lost with unicode/7 is the speed of
> > >> character
> > >> > > > references.
> > >> > > >
> > >> > >
> > >> > > See Ali Lloyd's earlier response that the LC team have been
> watching
> > >> this
> > >> > > tread and it's clear that 'inefficient code' has been revealed.
> The
> > LC
> > >> > team
> > >> > > are working on it and believe that for none Unicode chunking LC 7
> > >> should
> > >> > be
> > >> > > as fast as LC 6. There will be some slow down when Unicode is
> > >> involved.
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