From: stephen@vfxforth.com   
      
   On 6 Sep 2024 at 23:03:38 CEST, "Buzz McCool"  wrote:   
      
   > Would you have any videos talking about Forth locals? You and dxf are   
   > far more adept at stack manipulations than I. I'm thinking I can get a   
   > word up and working with locals and then convert to manual stack   
   > manipulations afterwards if necessary.   
      
   Don't. You will only become dependent on locals. Use of locals should   
   be a considered decision.   
   >   
   > When is it necessary? dxf showed a word w/o locals to have ~%30 fewer   
   > instructions than a word with locals. Is that a common occurrence?   
      
   We (MPE) converted much of our TCP/IP stack not to use locals. This   
   was mostly on ARM7 devices, but the figures for other 32 bit CPUs of   
   the period (say 15 years ago) were similar. Code density improved by   
   about 25% and performance by about 50%.   
      
   Stephen   
   --   
   Stephen Pelc, stephen@vfxforth.com   
   MicroProcessor Engineering, Ltd. - More Real, Less Time   
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   tel: +44 (0)78 0390 3612,  +34 649 662 974   
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