jj@jjj  5 ~/work/hfloat/simpleex/ > date;  time ex999 9 2> /tmp/diskio1.txt 
Thu Nov 18 09:53:01 CET 1999
    ----====== HUGE_FLOAT ver 16-November-1999 ======---- 
       author: Joerg Arndt, email: arndt@jjj.de 
 compiler used: "egcs-2.91.66 19990314/Linux (egcs-1.1.2 release)"
        compilation date: Nov 16 1999, 23:07:58
       hfloat is online at http://www.jjj.de/hfloat/   
     ----========================================----  

n = 9
 ... computing  n**(n**n) = 9 ** 387420489

 hfloat: radix = 1000
 hfloat: default precision is 123231034 LIMBs
 hfloat:  = 3.69693e+08 dec / 3.07023e+08 hex digits  = 1.22809e+09 bits
 hfloat: iterations for inverse n-th root are NOT checked 
 fxtmult: fxt multiplies ARE checked via sum of digit test 
 workspace: global_workspace size  = 134217728 bytes  =131072 kB  =128 MB 
 workspace: noswap size = 134217728 bytes  =131072 kB  =128 MB 
 workspace: cache size  = 524288 bytes  =512 kB 

       1 [ 0],        1 [ 0]  --  ==  -->         1 [ 0]
a*c==+.9*10^1
       1 [ 0]                 -- S[c] -->         1 [ 0]
a*a==+.81000*10^2
       1 [ 0]                 -- S[c] -->         2 [ 1]
a*a==+.6561*10^4
       2 [ 1]                 -- S[c] -->         3 [ 2]
a*a==+.43046721000*10^8
       1 [ 0],        3 [ 2]  -- M[c] -->         3 [ 2]
a*c==+.387420489*10^9
       3 [ 2]                 -- S[c] -->         6 [ 3]
a*a==+.1853020188851841*10^16
       6 [ 3]                 -- S[c] -->        11 [ 4]
a*a==+.3433683820292512484657*10^31
      11 [ 4]                 -- S[c] -->        21 [ 5]
a*a==+.11790184577738583171520*10^62
       3 [ 2],       21 [ 5]  -- M[c] -->        24 [ 5]
a*c==+.4567759074507740406477*10^70
      21 [ 5]                 -- S[c] -->        41 [ 6]
a*a==+.139008452377144732764939*10^123
      41 [ 6]                 -- S[c] -->        82 [ 7]
a*a==+.19323349832288915105454*10^245
      24 [ 5],       82 [ 7]  -- M[c] -->       105 [ 7]
a*c==+.88264406546325315660912*10^314
      82 [ 7]                 -- S[c] -->       163 [ 8]
a*a==+.373391848741020043532959*10^489
     163 [ 8]                 -- S[c] -->       326 [ 9]
a*a==+.139421472706236791468735*10^978
     326 [ 9]                 -- S[c] -->       652 [10]
a*a==+.19438347051575930593026*10^1955
     652 [10]                 -- S[c] -->      1303 [11]
a*a==+.377849336097510674090411*10^3909
     105 [ 7],     1303 [11]  -- M[c] -->      1408 [11]
a*c==+.33350647414569795542988*10^4223
    1303 [11]                 -- S[c] -->      2606 [12]
a*a==+.142770120789329582925457*10^7818
    2606 [12]                 -- S[c] -->      5212 [13]
a*a==+.20383307390199759170676*10^15635
    5212 [13]                 -- S[c] -->     10423 [14]
a*a==+.415479220163372117259767*10^31269
    1408 [11],    10423 [14]  -- M[c] -->     11831 [14]
a*c==+.13856500979749041167862*10^35492
   10423 [14]                 -- S[c] -->     20846 [15]
a*a==+.172622982387563839724363*10^62538
   11831 [14],    20846 [15]  -- M[m] -->     32677 [15]
a*c==+.2391950524580479822893*10^98029
   20846 [15]                 -- S[c] -->     41692 [16]
a*a==+.29798694048377175607385*10^125075
   32677 [15],    41692 [16]  -- M[m] -->     74368 [17]
a*c==+.71277001860829007187374*10^223103
   41692 [16]                 -- S[m] -->     83383 [17]
a*a==+.887962166988789307357823*10^250149
   74368 [17],    83383 [17]  -- M[m] -->    157751 [18]
a*c==+.63291281028805693078241*10^473252
   83383 [17]                 -- S[m] -->    166766 [18]
a*a==+.788476810003426547135889*10^500298
  166766 [18]                 -- S[m] -->    333532 [19]
a*a==+.621695679913179605910053*10^1000596
  157751 [18],   333532 [19]  -- M[m] -->    491283 [19]
a*c==+.39347915991779480984770*10^1473848
  333532 [19]                 -- S[m] -->    667064 [20]
a*a==+.386505518422710672124303*10^2001192
  667064 [20]                 -- S[m] -->   1334128 [21]
a*a==+.149386515771208338765748*10^4002384
 1334128 [21]                 -- S[m] -->   2668256 [22]
a*a==+.22316331094261477729071*10^8004767
 2668256 [22]                 -- S[m] -->   5336511 [23]
a*a==+.498018633508701683987399*10^16009533
  491283 [19],  5336511 [23]  -- M[m] -->   5827794 [23]
a*c==+.19595995353641207483897*10^17483381
 5336511 [23]                 -- S[m] -->  10673022 [24]
a*a==+.248022559321874523787182*10^32019066
 5827794 [23], 10673022 [24]  -- M[K:2] -->  16500816 [24]
a*c==+.4860248920069653920595*10^49502446
10673022 [24]                 -- S[k:2] -->  21346044 [25]
a*a==+.61515189932572767236810*10^64038131
16500816 [24], 21346044 [25]  -- M[K:4] -->  37846859 [26]
a*c==+.298979135437666438939090*10^113540577
21346044 [25]                 -- S[k:4] -->  42692088 [26]
a*a==+.3784118592440501935342*10^128076262
42692088 [26]                 -- S[k:8] -->  85384175 [27]
a*a==+.14319553521653885590878*10^256152524
37846859 [26], 85384175 [27]  -- M[K:16] -->  123231034 [27]
a*c==+.4281247731757470480369*10^369693100

 computation finished.
n**(n**n)==
+.4281247731757470480369871159305635213390554822*10^369693100

 prec=123231034 LIMBs  == 3.69693e+08 dec.dig. 

saving result to file "/tmp/result.txt" ... done.
 hfloat: radix = 1000
 hfloat: default precision is 123231034 LIMBs
 hfloat:  = 3.69693e+08 dec / 3.07023e+08 hex digits  = 1.22809e+09 bits
 hfloat: iterations for inverse n-th root are NOT checked 
 fxtmult: fxt multiplies ARE checked via sum of digit test 
 workspace: global_workspace size  = 268435456 bytes  =262144 kB  =256 MB 
 workspace: noswap size = 134217728 bytes  =131072 kB  =128 MB 
 workspace: cache size  = 524288 bytes  =512 kB 

 hfdata: bytes currently allocated: 739386204
 hfdata: max bytes allocated: 739386204 (plus workspace)
 fxtmult: work was=135.421 times length 2^20 real FFTs
 fxtmult: == 0.137785 full prec mults

real    616m36.057s
user    321m10.950s
sys     41m45.600s

jj@jjj  6 ~/work/hfloat/simpleex/ > cat /proc/cpuinfo 
processor       : 0
vendor_id       : AuthenticAMD
cpu family      : 5
model           : 8
model name      : AMD-K6(tm) 3D processor
stepping        : 0
cpu MHz         : 367.504806
fdiv_bug        : no
hlt_bug         : no
sep_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 1
wp              : yes
flags           : fpu vme de pse tsc msr mce cx8 sep mmx 3dnow
bogomips        : 734.00

jj@jjj  7 ~/work/hfloat/simpleex/ > cat /proc/meminfo 
        total:    used:    free:  shared: buffers:  cached:
Mem:  197558272 56561664 140996608 10567680 27041792 13447168
Swap: 1671110656  7684096 1663426560

jj@jjj  8 ~/work/hfloat/simpleex/ > ll /tmp/result.txt 
-rw-r--r--   1 jj       users    369693116 Nov 18 20:09 /tmp/result.txt

