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Suggestion from Cygwin ML to solve slowness due to sjlj EH


From: John W. Eaton
Subject: Suggestion from Cygwin ML to solve slowness due to sjlj EH
Date: Tue, 11 Sep 2007 11:24:55 -0400

On 11-Sep-2007, Tatsuro MATSUOKA wrote:

| Dear sirs
| 
| This is Tatsuro MATSUOKA writing.
| 
| I am now talking with slowness problem of the octave on cygwin due to sjlj EH.
| 
| Danny Smith gave me a suggestion.  That is wriiten after '****************'.
| I would like to try this suggestion.   However, my knowledge is too poor to 
use his suggestion.
| Does any one help me on this matter?
|  
| ****************************************
| Tatsuro Matsuoka wrote:
| > The best solution, I think, the speed of sjlj-exceptions EH on the 
| > cygwin is as fast as that of other platforms.
| > 
| 
| In the case of octave, I believe that the main cause of slowdown is the
| sjlj EH code generated in prologue of new()
| Does a no-throw override of libary version of these functions help ?  

I replied on the Cygwin list.

jwe


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