# note: we are looking at total execution time, not user time
# expected result: f7ca1014

# USE THIS
wget https://ocv.me/dev/crackhead.cpp && g++ -march=native -pipe -O3 -ffast-math -funroll-loops -funroll-all-loops -o crackhead crackhead.c && for x in {1..5}; do time ./crackhead 0x12341234 0xdeadbeef; done

          result    run1    run2    run3    run4    run5   cores/actual
ao         2.333   2.334   2.332   2.332   2.333   2.335   4   4
e5-2690v2  2.592   2.677   2.591   2.749   2.592   2.593  40  20
s-dvps     2.786    nope    nope    nope    nope    nope   2   2
s-mac      3.000    nope    nope    nope    nope    nope   8   4
nitor      3.350   3.358   3.354   3.349   3.363   3.381   4   2
ene        3.421   3.421   3.421   3.421   3.421   3.421   4   4
knb        3.473   3.670   3.373   3.290   3.285   3.473   1   ?
rotor      3.717   3.717   3.672   3.692   3.682   3.825   8   4
e5-2620    3.989   3.997   3.987   3.988   3.989   3.988  12  12
sera       4.222   4.155   4.192   4.173   4.222   4.663   4  24
cguy       4.429   4.470   4.429   4.404   4.405   4.442   2  24
s-dedi     8.300    nope    nope    nope    nope    nope   8   8
rin        9.704   9.064   9.847   9.826   8.704   9.941   4   4
kilim     22.442  21.917  21.984  23.012  23.398  22.442   4   2
rpi2      43.lol  43.533  43.472  43.533  43.850  43.486   4   4

# DEPRECATED
wget https://ocv.me/dev/crackhead.cpp && g++ -march=native -pipe -O2 -o crackhead crackhead.cpp && for x in {1..5}; do time ./crackhead 0x12341234 0xdeadbeef; done

        result    run1    run2    run3    run4    run5   core/visible (actual)
nitor    4.233   4.204   4.224   4.233   4.235   4.234   1/4 ( 2)
s-dvps   4.200    nope    nope    nope    nope    nope   1/4 ( 2)
s-mac    4.500    nope    nope    nope    nope    nope   1/8 ( 4)
ene      4.539   4.539   4.539   4.539   4.539   4.539   1/4 ( 4)
rotor    5.137   5.028   5.238   5.137   5.145   4.991   1/8 ( 4)
cguy     5.500   6.868   6.575   5.864   5.529   5.475   1/2 (24)
sera     5.191   5.211   5.238   5.191   5.191   5.684   1/4 (24)
s-dedi  10.000    nope    nope    nope    nope    nope   1/8 ( 8)
rin     14.600  14.338  14.728  14.476  14.866  14.794   1/4 ( 4)
kilim   25.533  25.359  26.441  25.319  25.533  25.818   1/4 ( 2)
rpi2    47.230  47.249  47.164  47.230  47.164  47.323   1/4 ( 4)

nitor = samsung s9 ultrabook i5-3317u    1.7 ghz
  ene = leaseweb         xeon-E3-1220    3.1 ghz
s-dvp = shiz dvps        xeon-E3-1230    3.3 ghz
s-mac = 2013 macbook pro    i7-3615qm    2.3 ghz
s-ded = lol atom dedi           c2750    2.4 ghz
rotor = some ovh           xeon-W3530    2.8 ghz
 cguy = some ramnode     xeon-E5-2630    2.3 ghz
 sera = idk              xeon-E5-2620-v2 2.1 ghz
  rin = cheapest alvotech         amd    2.0 ghz
kilim = kimsufi KS-2       Atom-N2800    1.86ghz
 rpi2 = a fucking circuit board  ARM7    0.9 ghz
   ao = kimsufi KS-?         i5-3570s    3.8 ghz
  knb = cheapest linode       E5-2680-v3 2.5 ghz

and for convenience,
xsel | grep -E '^real' | sed 's/.*0m//;s/s$/  /' | tr '\n' ' '