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* [Bug regex/503] New: fastmap loop in regex can be tightened
@ 2004-11-04  8:55 bonzini at gnu dot org
  2004-11-10 10:56 ` [Bug regex/503] " bonzini at gnu dot org
                   ` (2 more replies)
  0 siblings, 3 replies; 4+ messages in thread
From: bonzini at gnu dot org @ 2004-11-04  8:55 UTC (permalink / raw)
  To: glibc-bugs-regex

Patch at http://sources.redhat.com/ml/libc-alpha/2004-10/msg00166.html

It hoists several conditionals outside the "fastmap" loop, speeding up for
example regexes that start with a period (depending on the input, things such as
[A-Za-z]+ could be made faster as well).

-- 
           Summary: fastmap loop in regex can be tightened
           Product: glibc
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: regex
        AssignedTo: bonzini at gnu dot org
        ReportedBy: bonzini at gnu dot org
                CC: glibc-bugs-regex at sources dot redhat dot com,glibc-
                    bugs at sources dot redhat dot com
OtherBugsDependingO 500
             nThis:


http://sources.redhat.com/bugzilla/show_bug.cgi?id=503

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* [Bug regex/503] fastmap loop in regex can be tightened
  2004-11-04  8:55 [Bug regex/503] New: fastmap loop in regex can be tightened bonzini at gnu dot org
@ 2004-11-10 10:56 ` bonzini at gnu dot org
  2004-11-10 11:03 ` bonzini at gnu dot org
  2004-11-10 15:47 ` drepper at redhat dot com
  2 siblings, 0 replies; 4+ messages in thread
From: bonzini at gnu dot org @ 2004-11-10 10:56 UTC (permalink / raw)
  To: glibc-bugs-regex


------- Additional Comments From bonzini at gnu dot org  2004-11-10 10:56 -------
Created an attachment (id=275)
 --> (http://sources.redhat.com/bugzilla/attachment.cgi?id=275&action=view)
updated patch


-- 


http://sources.redhat.com/bugzilla/show_bug.cgi?id=503

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* [Bug regex/503] fastmap loop in regex can be tightened
  2004-11-04  8:55 [Bug regex/503] New: fastmap loop in regex can be tightened bonzini at gnu dot org
  2004-11-10 10:56 ` [Bug regex/503] " bonzini at gnu dot org
@ 2004-11-10 11:03 ` bonzini at gnu dot org
  2004-11-10 15:47 ` drepper at redhat dot com
  2 siblings, 0 replies; 4+ messages in thread
From: bonzini at gnu dot org @ 2004-11-10 11:03 UTC (permalink / raw)
  To: glibc-bugs-regex


------- Additional Comments From bonzini at gnu dot org  2004-11-10 11:03 -------
Created an attachment (id=277)
 --> (http://sources.redhat.com/bugzilla/attachment.cgi?id=277&action=view)
updated patch, fixed ChangeLog entry


-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #275 is|0                           |1
           obsolete|                            |


http://sources.redhat.com/bugzilla/show_bug.cgi?id=503

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* [Bug regex/503] fastmap loop in regex can be tightened
  2004-11-04  8:55 [Bug regex/503] New: fastmap loop in regex can be tightened bonzini at gnu dot org
  2004-11-10 10:56 ` [Bug regex/503] " bonzini at gnu dot org
  2004-11-10 11:03 ` bonzini at gnu dot org
@ 2004-11-10 15:47 ` drepper at redhat dot com
  2 siblings, 0 replies; 4+ messages in thread
From: drepper at redhat dot com @ 2004-11-10 15:47 UTC (permalink / raw)
  To: glibc-bugs-regex


------- Additional Comments From drepper at redhat dot com  2004-11-10 15:47 -------
I've applied the patch with a few additional changes.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED


http://sources.redhat.com/bugzilla/show_bug.cgi?id=503

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end of thread, other threads:[~2004-11-10 15:47 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2004-11-04  8:55 [Bug regex/503] New: fastmap loop in regex can be tightened bonzini at gnu dot org
2004-11-10 10:56 ` [Bug regex/503] " bonzini at gnu dot org
2004-11-10 11:03 ` bonzini at gnu dot org
2004-11-10 15:47 ` drepper at redhat dot com

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