Front page | perl.perl5.porters |
Postings from December 2016
This is excellent work. Thank you so much, Dave. :)
On 12/05/2016 04:54 PM, Dave Mitchell wrote:
> (This monthly report covers two months as I failed to get round to
> writing last month's report).
>
> I spent last the last two months:
>
> * reworking list assignment (especially with an aggregate on the LHS) to
> be much faster in many cases. For example, this code is 33% faster in
> 5.25.7 compared with 5.24.0:
>
> my @a;
> for my $i (1..10_000_000) {
> @a = (1,2,3);
> @a = ();
> }
>
> * trying to reduce the overhead of compile time a bit;
>
> * freeing up some uses of SV flags;
>
> * fixing various assorted bugs as listed below;
>
> SUMMARY:
> 59:16 [perl #127999] Slowdown in split + list assign
> 8:28 [perl #129140] attempting double-free Perl_safesysfree util.c:388
> 0:23 [perl #129771] %+ not scoped properly
> 0:16 [perl #129802] Regexp performance problem with swiped strings (?)
> 1:13 [perl #129821] Bleadperl v5.25.5-65-g5012eeb breaks JJORE/Devel-OptreeDiff-2.3.tar.gz
> 3:01 [perl #129825] Overloaded integer constants are prematurely deallocated
> 0:34 [perl #129950] Some UTF-8 regular expression matches fail when read from file
> 0:10 [perl #129954] dist/Carp/t/arg_string.t: Test fails in blead
> 3:51 [perl #129991] Assertion failure in S_aassign_copy_common
> 7:23 [perl #129996] BBC Devel-SearchINC
> 4:01 [perl #129997] heap-use-after-free sv_catpvn_flags() within Perl_do_vop
> 8:44 [perl #130132] Bleadperl breaks Date-Manip
> 1:27 [perl #130188] crash on return from substitution in subroutine
> 8:00 eliminate some ugly SV flag usages
> 1:00 fix build warnings and smoke failures
> 2:30 miscellaneous fixups
> 2:09 optimise undef assignment
> 13:36 performance of keywords.c
> 7:33 process p5p mailbox
> 1:00 review security tickets
> 1:40 split to an array creating RO elements
> ------
> 136:15 TOTAL (HH::MM)
>
> 163.4 weeks
> 2243.6 total hours
> 13.7 average hours per week
>
> There are 156 hours left on the grant
>
Thread Previous