performance degradation between 2006-03-03 and 2006-03-04

[Hideki IWAMOTO]

Some changes that decreased the performance of global -x ".*" were made on 
March 3. 
However, I cannot ascertain it. 
Are there any ideas?

GTAGSCACHE=100000000, format=compact
source tree: linux-2.6.15

===== checked out with -D "2006-03-03 JST"
$ time global --nosource --nofilter=path --nofilter=sort -x '.*' > /dev/null
1.204u 0.076s 0:01.27 100.0%    0+0k 0+0io 0pf+0w
$ time global --nosource --nofilter=path --nofilter=sort -x '.*' > /dev/null
1.220u 0.056s 0:01.27 100.0%    0+0k 0+0io 0pf+0w
$ time global --nosource --nofilter=path --nofilter=sort -xr '.*' > /dev/null
4.788u 0.152s 0:04.94 99.7%     0+0k 0+0io 0pf+0w
$ time global --nosource --nofilter=path --nofilter=sort -xr '.*' > /dev/null
4.756u 0.156s 0:04.90 100.0%    0+0k 0+0io 0pf+0w
$ time global --nosource --nofilter=path -xs '.*' > /dev/null
12.836u 0.256s 0:13.09 99.9%    0+0k 0+0io 0pf+0w
$ time global --nosource --nofilter=path -xs '.*' > /dev/null
12.848u 0.216s 0:13.06 99.9%    0+0k 0+0io 0pf+0w

===== checked out with -D "2006-03-04 JST"
$ time global --nosource --nofilter=path --nofilter=sort -x '.*' > /dev/null
1.900u 0.092s 0:01.99 100.0%    0+0k 0+0io 0pf+0w
$ time global --nosource --nofilter=path --nofilter=sort -x '.*' > /dev/null
1.908u 0.080s 0:01.98 100.0%    0+0k 0+0io 0pf+0w
$ time global --nosource --nofilter=path --nofilter=sort -xr '.*' > /dev/null
9.676u 0.148s 0:09.82 99.8%     0+0k 0+0io 0pf+0w
$ time global --nosource --nofilter=path --nofilter=sort -xr '.*' > /dev/null
10.400u 0.164s 0:10.56 100.0%   0+0k 0+0io 0pf+0w
$ time global --nosource --nofilter=path -xs '.*' > /dev/null
18.801u 0.196s 0:18.99 100.0%   0+0k 0+0io 0pf+0w
$ time global --nosource --nofilter=path -xs '.*' > /dev/null
18.789u 0.216s 0:19.00 99.9%    0+0k 0+0io 0pf+0w

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Hideki IWAMOTO  address@hidden