today jeanluc post Kangaroo for cpu
its much fast and better then alek76 gpu version check his link and results
BSGS (baby step)
https://github.com/JeanLucPons/BSGS/issues
Kangaroo
https://github.com/JeanLucPons/Kangaroo

test 65 bit at i3-6100 2 core 4thread processor


:~/jean/Kangaroo$ ./kangaroo in.txt
Kangaroo v1.0
Start:10000000000000001
Stop :1FFFFFFFFFFFFFFFF
Keys :1
Number of CPU thread: 4
Range width: 2^64
Number of random walk: 2^12.00 (Max DP=18)
DP size: 18 [0xffffc00000000000]
Solvekey Thread 0: 1024 TAME kangaroos
Solvekey Thread 1: 1024 TAME kangaroos
Solvekey Thread 2: 1024 WILD kangaroos
Solvekey Thread 3: 1024 WILD kangaroos
[11.56 MKey/s][Count 2^33.15][14:29][Dead 1][6.9MB]
Key# 0 Pub:  0x023115A92D2D604381E154EDAC700D4D99AC44F8E2B1274E16524583D1D52DDDC0
       Priv: 0x150E316D058E7AFF8

Done: Total time 14:30