Reverse a list

Geoff Canyon gcanyon at gmail.com
Tue Feb 10 09:36:25 EST 2015


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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