Re: strace of exist function for a variable

[David Bateman]

David Bateman wrote:

> Has any one tried to do an strace of octave while running the exist 
> function. It appears that exist("<var>","var") will search the patch 
> for dot-m and oct-files even though a variable was explicitly asked 
> for. This certainly makes this significantly slower than it needs to 
> be. Also, strace
> appears to show that the path is being searched twice, by exist!! It 
> seems to me that there are some rather simple improvements in the 
> speed of the exist function that might be made...
>
> Regards
> David
What about the following trivial fix for this problem..

2005-02-10 David Bateman <address@hidden>

       * variables.cc (symbol_exist): Don't search path if explicitly 
asked for a variable or builtin

Regards
David

--
David Bateman                                address@hidden
Motorola Labs - Paris                        +33 1 69 35 48 04 (Ph) 
Parc Les Algorithmes, Commune de St Aubin    +33 1 69 35 77 01 (Fax) 
91193 Gif-Sur-Yvette FRANCE

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*** src/variables.cc~   2004-12-28 02:59:05.000000000 +0100
--- src/variables.cc    2005-02-10 11:21:07.299369002 +0100
***************
*** 823,828 ****
--- 823,831 ----
        }
      }
  
+   if (type == "var" || type == "builtin")
+     retval = 0;
+ 
    if (! retval)
      {
        string_vector names (2);