In article ,   
     wrote:   
   >I remember running a program intended for a pdp 11 for a vax.   
      
      
   I confused the issue with talking too much.   
      
   I run on a AMD FX870 with 16 Gbyte RAM   
   I run as root, and killed the gimp prime search and firefox browser.   
   I also give absolute priority to Forth (nice negative).   
      
   root@cherry:/home/albert/PROJECT/ciforths/ciforth# nice -20 lina16G++   
      
   AMDX86 ciforth beta 2022Feb17   
   WANT ELAPSED   
   ASSEMBLERi86-HIGH : (WARNING) NOT PRESENT, THOUGH WANTED   
    OK   
   MARK-TIME HERE 16,000,000,000 ERASE ELAPSED .mS   
    12810.175mS  OK   
   MARK-TIME HERE 16,000,000,000 ERASE ELAPSED .mS   
    394536.356mS  OK   
   BYE   
      
   The second time it takes 30 times longer!   
      
   Playing around where demanding programs like   
   prime96 and firefox were started and terminated   
   is confusing , but that is not the cause of this   
   discrepancy.   
      
   Theories about working set doesn't cut it.   
   Also the system freezes, I expect better from a system with 8 cores,   
   but maybe this is caused by nice.   
      
   P.S.   
   The following result up to 8 Gbyte are more sensible,   
   up to 8 Gbyte the second time is faster.   
      
   root@cherry:/home/albert/PROJECT/ciforths/ciforth# nice -20 lina16G++   
   WANT ELAPSED   
   ...   
    OK   
   MARK-TIME HERE 1,000,000,000 ERASE ELAPSED .mS   
    537.777mS  OK   
   MARK-TIME HERE 1,000,000,000 ERASE ELAPSED .mS   
    253.468mS  OK   
   MARK-TIME HERE 1,000,000,000 ERASE ELAPSED .mS   
    257.628mS  OK   
   MARK-TIME HERE 2,000,000,000 ERASE ELAPSED .mS   
    781.149mS  OK   
   MARK-TIME HERE 2,000,000,000 ERASE ELAPSED .mS   
    503.593mS  OK   
   MARK-TIME HERE 4,000,000,000 ERASE ELAPSED .mS   
    1916.234mS  OK   
   MARK-TIME HERE 4,000,000,000 ERASE ELAPSED .mS   
    1554.072mS  OK   
   MARK-TIME HERE 8,000,000,000 ERASE ELAPSED .mS   
    8059.426mS  OK   
   MARK-TIME HERE 8,000,000,000 ERASE ELAPSED .mS   
    5519.860mS  OK   
      
   Groetjes Albert   
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