[Openmcl-devel] Float & double consing & performance
    Tim Bradshaw 
    tfb at tfeb.org
       
    Tue Aug 18 08:21:42 PDT 2009
    
    
  
Hi, does anyone have any good hints for getting good float performance  
out of CCL?  I couldn't find anything in the Wiki.  My (fairly  
limited, to put it mildly) tests show that the 64bit version will do  
cons-free single-float operations, but conses for doubles, while the  
32bit one conses for both.  However I've not done much more than  
telling it to optimize speed and declaring all the types.  I've also  
not checked whether it's actually open-coding the operations yet.
So, basically I'm hoping someone else has already worked out what you  
need to do :-)
(I'm using the trunk on an x86 mac).
Thanks
--tim
    
    
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