[Bug 14168] visual studio 2005 installer appears to lock up because of poor performance

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=14168





--- Comment #13 from Dan Kegel <dank at kegel.com>  2009-11-30 06:25:33 ---
Might want to increase HASH_LEN from 0x101.  When I increased
it to a prime about 10x larger, the profile was again dominated
by strlen, but this time from a different caller:

# opreport | head 
   286158 83.8602 libwine.so.1.0
    23536  6.8974 kernel32.dll.so
    19068  5.5880 msi.dll.so
     5689  1.6672 no-vmlinux
      930  0.2725 ntdll.dll.so

# opreport -l ~dank/wine-git/libs/wine/libwine.so 
253335   88.5298  strlenW
20633     7.2104  compare_unicode_weights
5589      1.9531  wine_compare_string

# opreport -l ~dank/wine-git/dlls/msi/msi.dll.so 
17015    89.2333  get_loaded_component
849       4.4525  lstrcmpW
568       2.9788  __wine_spec_get_pc_thunk_eax
117       0.6136  find_entry_in_hash
56        0.2937  WHERE_get_dimensions

winedbg bt all says:
Backtrace:
=>0 0xf7e20e3e strlenW+0x18(str=0x49f4850)
  1 0x7ede1659 CompareStringW+0xda
  2 0x7ede1bb1 lstrcmpW+0x7a
  3 0x7e3c7075 STRCMP_Evaluate+0xc1(wv=0x59aef30, row=6650597, cond=0x59aeef8,
val=0x159ce48, record=(nil)) [/home/dank/wine-git/dlls/msi/where.c:309] in msi
(0x0159cdc0)
  4 0x7e3c734f WHERE_evaluate+0x271(wv=0x59aef30, row=6650597, cond=0x59aeef8,
val=0x159ce48, record=(nil)) [/home/dank/wine-git/dlls/msi/where.c:362] in msi
(0x0159ce10)
  5 0x7e3c7278 WHERE_evaluate+0x19a(wv=0x59aef30, row=6650597, cond=0x59aef18,
val=0x159ceb4, record=(nil)) [/home/dank/wine-git/dlls/msi/where.c:348] in msi
(0x0159ce60)
...

YMMV.

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