[bug #14472] grep is slow in multibyte locales

[Andreas Schwab]

URL:
  <http://savannah.gnu.org/bugs/?func=detailitem&item_id=14472>

                 Summary: grep is slow in multibyte locales
                 Project: grep
            Submitted by: schwab
            Submitted on: Thu 09/08/05 at 15:44
                Category: None
                Severity: 3 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open

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Details:

When running in a multibyte locale dfaexec calls mbrtowc much too often. 
Note how the calls sum up to more then two thirds of the total run time.  The
input was a ~4000 line file.





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File Attachments:


-------------------------------------------------------
Date: Thu 09/08/05 at 15:44  Name: yy  Size: 95.27KB   By: schwab
gprof output
<http://savannah.gnu.org/bugs/download.php?item_id=14472&item_file_id=2933>

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