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[Pspp-commits] [SCM] GNU PSPP branch, master, updated. v0.8.5-178-gac196

From: Ben Pfaff
Subject: [Pspp-commits] [SCM] GNU PSPP branch, master, updated. v0.8.5-178-gac19665
Date: Sat, 25 Jul 2015 15:59:41 +0000

This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU PSPP".

The branch, master has been updated
       via  ac196658f4fd578201d9feee087b02d95643b08e (commit)
      from  cd62d8a6af433560a534fabb84bb06030bc89b57 (commit)

Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.

- Log -----------------------------------------------------------------
commit ac196658f4fd578201d9feee087b02d95643b08e
Author: Ben Pfaff <address@hidden>
Date:   Sat Jul 25 08:58:06 2015 -0700

    dictionary: Make dict_delete_var() much faster in common case.
    When a system file is opened, dict_delete_consecutive_vars() deletes lots
    of variables if the system file has long string variables.  This was very
    slow because of the O(n**2) behavior in dict_delete_var().  The biggest
    cost of that O(n**2) behavior was in calling var_clone() on every variable
    several times.  Fortunately, the var_clone() call is not necessary in this
    case, because the cloned variable is only needed for callbacks, which
    aren't set when a dictionary is being read.
    This reduced the time to read the dictionary in a particular sample system
    file from seconds to milliseconds.


Summary of changes:
 src/data/dictionary.c |   16 ++++++++++------
 1 files changed, 10 insertions(+), 6 deletions(-)


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