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DAVEM TPF Grant#2 September 2014 report

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Dave Mitchell
October 8, 2014 10:17
DAVEM TPF Grant#2 September 2014 report
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The main things I worked on this month were:

* finished off making the op_private OP flags and data be auto-generated
  from a single consistent source.

* I started to investigate how the allocation and growing of strings (in
  Perl_sv_grow()) interacts (sometimes badly) with COW and the underlying
  malloc() library implementation

* reviewing, discussing, fixing up and applying Syber's method call
  optimisation work

      3:52 [perl #122666] Bleadperl v5.21.1-120-g34dadc6 breaks SYOHEX/Text-Xslate-3.3.3.tar.gz
      1:14 [perl #122791] Memory leak oddities with various versions of Perl
      0:36 create t/re/speed.t
     14:21 investigate sv_grow() algorithm
     19:07 make op_private flag definitions be auto-generated
      0:57 misc tidying up
     24:19 process p5p mailbox
      9:14 review "Speeding up perl's OOP" patch
      2:20 sort out B.xs op_padix issue
      1:53 sort out globals.c make dependencies
     77:53 TOTAL (HH::MM)

As of 2014/09/30: since the beginning of the grant:

  50.3 weeks
 712.0 total hours
  14.2 average hours per week

There are 88 hours left on the grant

No matter how many dust sheets you use, you will get paint on the carpet.

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