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Diffstat (limited to 'pod/perltodo.pod')
| -rw-r--r-- | pod/perltodo.pod | 22 |
1 files changed, 0 insertions, 22 deletions
diff --git a/pod/perltodo.pod b/pod/perltodo.pod index 2be4e68d08..45cf4e39c6 100644 --- a/pod/perltodo.pod +++ b/pod/perltodo.pod @@ -367,18 +367,6 @@ anyone feeling like exercising their skill with coverage and profiling tools might want to determine what ops I<really> are the most commonly used. And in turn suggest evictions and promotions to achieve a better F<pp_hot.c>. -=head2 reduce duplication in sv_setsv_flags - -C<Perl_sv_setsv_flags> has a comment -C</* There's a lot of redundancy below but we're going for speed here */> - -Whilst this was true 10 years ago, the growing disparity between RAM and CPU -speeds mean that the trade offs have changed. In addition, the duplicate code -adds to the maintenance burden. It would be good to see how much of the -redundancy can be pruned, particular in the less common paths. (Profiling -tools at the ready...). For example, why does the test for -"Can't redefine active sort subroutine" need to occur in two places? - @@ -399,16 +387,6 @@ and C<HV>s have recently been shrunk considerably. It's probable that the same approach would find savings in C<GV>s and C<CV>s, if not all the other larger-than-C<PVMG> types. -=head2 merge Perl_sv_2[inpu]v - -There's a lot of code shared between C<Perl_sv_2iv_flags>, -C<Perl_sv_2uv_flags>, C<Perl_sv_2nv>, and C<Perl_sv_2pv_flags>. It would be -interesting to see if some of it can be merged into common shared static -functions. In particular, C<Perl_sv_2uv_flags> started out as a cut&paste -from C<Perl_sv_2iv_flags> around 5.005_50 time, and it may be possible to -replace both with a single function that returns a value or union which is -split out by the macros in F<sv.h> - =head2 UTF8 caching code The string position/offset cache is not optional. It should be. |