Benchmarking on Clozure Common Lisp Version 1.4-r13131M  (DarwinX8664)
*** 32x32 32768 iterations ***
(SIMULATE I INITIAL W H) took 5,668,959 microseconds (5.668959 seconds) to run 
                    with 2 available CPU cores.
During that period, 5,517,318 microseconds (5.517318 seconds) were spent in user mode
                    27,866 microseconds (0.027866 seconds) were spent in system mode
9,733 microseconds (0.009733 seconds) was spent in GC.
 34,078,720 bytes of memory allocated.
*** 64x64 8192 iterations ***
(SIMULATE I INITIAL W H) took 5,687,209 microseconds (5.687209 seconds) to run 
                    with 2 available CPU cores.
During that period, 5,561,061 microseconds (5.561061 seconds) were spent in user mode
                    25,831 microseconds (0.025831 seconds) were spent in system mode
10,951 microseconds (0.010951 seconds) was spent in GC.
 33,685,504 bytes of memory allocated.
*** 128x128 2048 iterations ***
(SIMULATE I INITIAL W H) took 5,606,937 microseconds (5.606937 seconds) to run 
                    with 2 available CPU cores.
During that period, 5,540,168 microseconds (5.540168 seconds) were spent in user mode
                    23,394 microseconds (0.023394 seconds) were spent in system mode
11,843 microseconds (0.011843 seconds) was spent in GC.
 33,587,200 bytes of memory allocated.
*** 256x256 512 iterations ***
(SIMULATE I INITIAL W H) took 5,718,383 microseconds (5.718383 seconds) to run 
                    with 2 available CPU cores.
During that period, 5,557,441 microseconds (5.557441 seconds) were spent in user mode
                    38,903 microseconds (0.038903 seconds) were spent in system mode
20,591 microseconds (0.020591 seconds) was spent in GC.
 33,562,624 bytes of memory allocated.
 0 minor page faults, 387 major page faults, 0 swaps.
*** 512x512 128 iterations ***
(SIMULATE I INITIAL W H) took 5,637,947 microseconds (5.637947 seconds) to run 
                    with 2 available CPU cores.
During that period, 5,537,995 microseconds (5.537995 seconds) were spent in user mode
                    17,965 microseconds (0.017965 seconds) were spent in system mode
18,121 microseconds (0.018121 seconds) was spent in GC.
 33,556,480 bytes of memory allocated.
 0 minor page faults, 194 major page faults, 0 swaps.
*** 1024x1024 32 iterations ***
(SIMULATE I INITIAL W H) took 5,632,301 microseconds (5.632301 seconds) to run 
                    with 2 available CPU cores.
During that period, 5,539,426 microseconds (5.539426 seconds) were spent in user mode
                    15,671 microseconds (0.015671 seconds) were spent in system mode
18,783 microseconds (0.018783 seconds) was spent in GC.
 33,554,944 bytes of memory allocated.
 0 minor page faults, 967 major page faults, 0 swaps.
*** 2048x2048 8 iterations ***
(SIMULATE I INITIAL W H) took 5,615,290 microseconds (5.615290 seconds) to run 
                    with 2 available CPU cores.
During that period, 5,544,881 microseconds (5.544881 seconds) were spent in user mode
                    23,235 microseconds (0.023235 seconds) were spent in system mode
18,067 microseconds (0.018067 seconds) was spent in GC.
 33,554,560 bytes of memory allocated.
 0 minor page faults, 4,096 major page faults, 0 swaps.
*** 4096x4096 2 iterations ***
(SIMULATE I INITIAL W H) took 5,814,783 microseconds (5.814783 seconds) to run 
                    with 2 available CPU cores.
During that period, 5,607,729 microseconds (5.607729 seconds) were spent in user mode
                    33,064 microseconds (0.033064 seconds) were spent in system mode
84,496 microseconds (0.084496 seconds) was spent in GC.
 33,554,464 bytes of memory allocated.
 0 minor page faults, 6,176 major page faults, 0 swaps.