【CL入門】12 プログラミング

こつこつ。

• (ed "foo.lsp")で、ソースがemacsのbufferにでた。ちょっとびっくり。
  
• compile、劇的だ。
  

  
  CL-USER(25): (time (fib 20))
  ; cpu time (non-gc) 110 msec user, 0 msec system
  ; cpu time (gc)     10 msec user, 0 msec system
  ; cpu time (total)  120 msec user, 0 msec system
  ; real time  125 msec
  ; space allocation:
  ;  527,965 cons cells, 54,642,624 other bytes, 0 static bytes
  10946
  CL-USER(26): (time (fib 25))
  ; cpu time (non-gc) 1,070 msec user, 10 msec system
  ; cpu time (gc)     290 msec user, 0 msec system
  ; cpu time (total)  1,360 msec user, 10 msec system
  ; real time  1,379 msec
  ; space allocation:
  ;  5,855,494 cons cells, 606,020,352 other bytes, 0 static bytes
  121393
  CL-USER(27): (time (fib 30))
  ; cpu time (non-gc) 10,990 msec user, 100 msec system
  ; cpu time (gc)     3,150 msec user, 20 msec system
  ; cpu time (total)  14,140 msec user, 120 msec system
  ; real time  14,273 msec
  ; space allocation:
  ;  64,938,696 cons cells, 6,720,894,720 other bytes, 0 static bytes
  1346269
  CL-USER(28): (compile 'fib)
  FIB
  NIL
  NIL
  CL-USER(29): (time (fib 20))
  ; cpu time (non-gc) 0 msec user, 0 msec system
  ; cpu time (gc)     0 msec user, 0 msec system
  ; cpu time (total)  0 msec user, 0 msec system
  ; real time  1 msec
  ; space allocation:
  ;  1 cons cell, 0 other bytes, 0 static bytes
  10946
  CL-USER(30): (time (fib 25))
  ; cpu time (non-gc) 10 msec user, 0 msec system
  ; cpu time (gc)     0 msec user, 0 msec system
  ; cpu time (total)  10 msec user, 0 msec system
  ; real time  2 msec
  ; space allocation:
  ;  1 cons cell, 0 other bytes, 0 static bytes
  121393
  CL-USER(31): (time (fib 30))
  ; cpu time (non-gc) 20 msec user, 0 msec system
  ; cpu time (gc)     0 msec user, 0 msec system
  ; cpu time (total)  20 msec user, 0 msec system
  ; real time  21 msec
  ; space allocation:
  ;  1 cons cell, 0 other bytes, 0 static bytes
  1346269
  CL-USER(32):
  

  
  
• この後、eval-whenやモジュール、そしてdescribe/inspect/apropos。
  

あり? さくっと終わってしまった。
付録1と2の完了をもって読了としよう。次は付録1「実際的なLispプログラムの例」。