Benchmarking on SBCL 1.0.31.32
*** 32x32 32768 iterations ***
Evaluation took:
  22.949 seconds of real time
  22.455956 seconds of total run time (21.694771 user, 0.761185 system)
  [ Run times consist of 1.610 seconds GC time, and 20.846 seconds non-GC time. ]
  97.85% CPU
  63,937,491,334 processor cycles
  14,495,223,744 bytes consed
  
*** 64x64 8192 iterations ***
Evaluation took:
  22.697 seconds of real time
  22.208082 seconds of total run time (21.444130 user, 0.763952 system)
  [ Run times consist of 1.627 seconds GC time, and 20.582 seconds non-GC time. ]
  97.85% CPU
  63,234,401,832 processor cycles
  14,494,143,088 bytes consed
  
*** 128x128 2048 iterations ***
Evaluation took:
  22.734 seconds of real time
  22.237588 seconds of total run time (21.465371 user, 0.772217 system)
  [ Run times consist of 1.647 seconds GC time, and 20.591 seconds non-GC time. ]
  97.82% CPU
  63,337,653,131 processor cycles
  14,484,533,152 bytes consed
  
*** 256x256 512 iterations ***
Evaluation took:
  22.710 seconds of real time
  22.202329 seconds of total run time (21.416337 user, 0.785992 system)
  [ Run times consist of 1.639 seconds GC time, and 20.564 seconds non-GC time. ]
  97.76% CPU
  63,272,181,693 processor cycles
  14,449,587,632 bytes consed
  
*** 512x512 128 iterations ***
Evaluation took:
  23.147 seconds of real time
  22.401523 seconds of total run time (21.618412 user, 0.783111 system)
  [ Run times consist of 1.620 seconds GC time, and 20.782 seconds non-GC time. ]
  96.78% CPU
  64,488,389,816 processor cycles
  14,490,931,536 bytes consed
  
*** 1024x1024 32 iterations ***
Evaluation took:
  23.170 seconds of real time
  22.380198 seconds of total run time (21.604345 user, 0.775853 system)
  [ Run times consist of 1.574 seconds GC time, and 20.807 seconds non-GC time. ]
  96.59% CPU
  64,553,133,151 processor cycles
  14,495,299,568 bytes consed
  
*** 2048x2048 8 iterations ***
Evaluation took:
  23.251 seconds of real time
  22.496811 seconds of total run time (21.696910 user, 0.799901 system)
  [ Run times consist of 1.630 seconds GC time, and 20.867 seconds non-GC time. ]
  96.76% CPU
  64,778,239,533 processor cycles
  14,495,453,696 bytes consed
  
*** 4096x4096 2 iterations ***
Evaluation took:
  23.111 seconds of real time
  22.457410 seconds of total run time (21.645333 user, 0.812077 system)
  [ Run times consist of 1.704 seconds GC time, and 20.754 seconds non-GC time. ]
  97.17% CPU
  64,388,204,318 processor cycles
  14,495,456,960 bytes consed