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Author: Eli ZaretskiiEli Zaretskii Date: Sep 11, 2008 23:25
> From: AlFire ggmail.com>
> Date: Thu, 11 Sep 2008 19:56:58 -0700
>
> this is a situation: I access samba based file system from Windows. It
> is not rocket fast but neither pig slow. I noted the find-file takes
> veeeery long (15 seconds) time to complete. Another factor is that the
> file is quite deep in the directory structure namely:
>
> W:\dir1\dir2\dir3\dir4\dir5\dir6\dir7\dir8\dir9\dirA\dirB\dirC\file.c
Which version of Emacs is that?
Also, did you type the above long file name literally, or did you use
TAB-completion somewhere along the way? If the latter, please tell
_exactly_ what you typed, character by character (C-h l should help
you gathering this info).
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Author: AlFireAlFire Date: Sep 12, 2008 19:25
Eli Zaretskii wrote:
>> From: AlFire ggmail.com>
>> Date: Thu, 11 Sep 2008 19:56:58 -0700
>>
>> this is a situation: I access samba based file system from Windows. It
>> is not rocket fast but neither pig slow. I noted the find-file takes
>> veeeery long (15 seconds) time to complete. Another factor is that the
>> file is quite deep in the directory structure namely:
>>
>> W:\dir1\dir2\dir3\dir4\dir5\dir6\dir7\dir8\dir9\dirA\dirB\dirC\file.c>
> Which version of Emacs is that?
>
> Also, did you type the above long file name literally, or did you use
> TAB-completion somewhere along the way? If the latter, please tell
> _exactly_ what you typed, character by character (C-h l should help
> you gathering this info).
>
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Author: Eli ZaretskiiEli Zaretskii Date: Sep 13, 2008 01:14
> From: AlFire ggmail.com>
> Date: Fri, 12 Sep 2008 19:25:03 -0700
>
> Eli Zaretskii wrote:>>> From: AlFire ggmail.com>
>>> Date: Thu, 11 Sep 2008 19:56:58 -0700
>>>
>>> this is a situation: I access samba based file system from Windows. It
>>> is not rocket fast but neither pig slow. I noted the find-file takes
>>> veeeery long (15 seconds) time to complete. Another factor is that the
>>> file is quite deep in the directory structure namely:
>>>
>>> W:\dir1\dir2\dir3\dir4\dir5\dir6\dir7\dir8\dir9\dirA\dirB\dirC\file.c>>
>> Which version of Emacs is that?
>>
>> Also, did you type the above long file name literally, or did you use
>> TAB-completion somewhere along the way? If the latter, please tell ...
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Author: AlFireAlFire Date: Sep 15, 2008 20:58
Eli Zaretskii wrote:
>
> Does it help to set w32-get-true-file-attributes to a nil value?
>
>
did not help - I tested it. and probably should since describe-variable says it is NTFS only:
Documentation:
Non-nil means determine accurate link count in `file-attributes'.
Note that this option is only useful for files on NTFS volumes, where hard links
are supported. Moreover, it slows down `file-attributes' noticeably.
what else? could it be really considered a bug. from the original trace - I noted that Emacs is kind of looking for a source control related files like: .bzr\checkout\, _MTN, {arch}\, MCVS\ and walking thru the tree structure multiple times.
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Author: Eli ZaretskiiEli Zaretskii Date: Sep 16, 2008 11:54
> From: AlFire ggmail.com>
> Date: Mon, 15 Sep 2008 20:58:06 -0700
>
> Eli Zaretskii wrote:>>
>> Does it help to set w32-get-true-file-attributes to a nil value?
>>
>>
>
> did not help - I tested it. and probably should since describe-variable says it is NTFS only:
>
>
> Documentation:
> Non-nil means determine accurate link count in `file-attributes'.
> Note that this option is only useful for files on NTFS volumes, where hard links
> are supported. Moreover, it slows down `file-attributes' noticeably.
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Author: AlFireAlFire Date: Sep 18, 2008 18:19
Eli Zaretskii wrote:
>
> Can you compare the time it takes to visit the file when you type "C-x
> C-f" with what happens when you type this instead:
>
> M-: (find-file "W:\dir1\dir2\dir3\dir4\dir5\dir6\dir7\dir8\dir9\dirA\dirB\dirC\file.c") RET
still the same
> Also, do you happen to know if this was significantly faster in
> previous Emacs versions?
this:
GNU Emacs 21.3.1 ( i386-mingw-nt5.1.2600) of 2004-03-10 on NYAUMO
works much faster then this:
GNU Emacs 22.2.1 ( i386-mingw-nt5.1.2600) of 2008-03-26 on RELEASE
I chacked the number is file ops (using filemon again) and the number is
down to 130 from 800something.
Andy
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Author: Eli ZaretskiiEli Zaretskii Date: Sep 19, 2008 02:01
> From: AlFire ggmail.com>
> Date: Thu, 18 Sep 2008 18:19:42 -0700
>
> Eli Zaretskii wrote:
> >>
>> Can you compare the time it takes to visit the file when you type "C-x
>> C-f" with what happens when you type this instead:
>>
>> M-: (find-file "W:\dir1\dir2\dir3\dir4\dir5\dir6\dir7\dir8\dir9\dirA\dirB\dirC\file.c") RET
>
>
> still the same
>
>
>> Also, do you happen to know if this was significantly faster in
>> previous Emacs versions?
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Author: AlFireAlFire Date: Sep 22, 2008 20:34
Eli Zaretskii wrote:
>> From: AlFire ggmail.com>
>> Date: Thu, 18 Sep 2008 18:19:42 -0700
>>
>> Eli Zaretskii wrote:
>>>>> Can you compare the time it takes to visit the file when you type "C-x
>>> C-f" with what happens when you type this instead:
>>>
>>> M-: (find-file "W:\dir1\dir2\dir3\dir4\dir5\dir6\dir7\dir8\dir9\dirA\dirB\dirC\file.c") RET
>>
>> still the same
>>
>>
>>> Also, do you happen to know if this was significantly faster in
>>> previous Emacs versions?
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