Benchmarking on SBCL 1.0.31.32
*** 32x32 32768 iterations ***
Evaluation took:
  22.209 seconds of real time
  21.707229 seconds of total run time (20.901298 user, 0.805931 system)
  [ Run times consist of 1.728 seconds GC time, and 19.980 seconds non-GC time. ]
  97.74% CPU
  61,876,109,032 processor cycles
  14,509,944,128 bytes consed
  
*** 64x64 8192 iterations ***
Evaluation took:
  22.635 seconds of real time
  22.008434 seconds of total run time (21.206751 user, 0.801683 system)
  [ Run times consist of 1.672 seconds GC time, and 20.337 seconds non-GC time. ]
  97.23% CPU
  63,063,948,706 processor cycles
  14,504,154,768 bytes consed
  
*** 128x128 2048 iterations ***
Evaluation took:
  22.400 seconds of real time
  21.879903 seconds of total run time (21.050105 user, 0.829798 system)
  [ Run times consist of 1.496 seconds GC time, and 20.384 seconds non-GC time. ]
  97.68% CPU
  62,409,147,087 processor cycles
  14,493,343,136 bytes consed
  
*** 256x256 512 iterations ***
Evaluation took:
  22.053 seconds of real time
  21.562570 seconds of total run time (20.734115 user, 0.828455 system)
  [ Run times consist of 1.353 seconds GC time, and 20.210 seconds non-GC time. ]
  97.78% CPU
  61,442,367,221 processor cycles
  14,458,072,096 bytes consed
  
*** 512x512 128 iterations ***
Evaluation took:
  22.097 seconds of real time
  21.619127 seconds of total run time (20.813950 user, 0.805177 system)
  [ Run times consist of 1.320 seconds GC time, and 20.300 seconds non-GC time. ]
  97.84% CPU
  61,564,092,744 processor cycles
  14,499,346,160 bytes consed
  
*** 1024x1024 32 iterations ***
Evaluation took:
  22.082 seconds of real time
  21.611633 seconds of total run time (20.828536 user, 0.783097 system)
  [ Run times consist of 1.292 seconds GC time, and 20.320 seconds non-GC time. ]
  97.87% CPU
  61,521,329,541 processor cycles
  14,503,694,496 bytes consed
  
*** 2048x2048 8 iterations ***
Evaluation took:
  22.170 seconds of real time
  21.689005 seconds of total run time (20.892104 user, 0.796901 system)
  [ Run times consist of 1.368 seconds GC time, and 20.322 seconds non-GC time. ]
  97.83% CPU
  61,764,294,742 processor cycles
  14,503,845,968 bytes consed
  
*** 4096x4096 2 iterations ***
Evaluation took:
  22.440 seconds of real time
  21.937742 seconds of total run time (21.122961 user, 0.814781 system)
  [ Run times consist of 1.668 seconds GC time, and 20.270 seconds non-GC time. ]
  97.76% CPU
  62,520,511,945 processor cycles
  14,503,845,664 bytes consed