A native lib should dance with flying bells and whistles well above a few good million ops/s, even when instrumented from a Python wrapper.
python3 lambda.py
POLLARD'S LAMBDA ALGORITHM
Puzzle 60
b: 1152921504606846975, beta: 1.39, alpha: 2846121959.594968, # of jumps for tame: 1670350274.877006
k: 576460752303423487, Q: (mpz(59736146217653763758997994994224695836995869953376590248144975832456975165658), mpz(83463347280527642196028097797995308366464170952302195802025600405631329025022))
COLLIDED WITH X_TAME
x: 1135041350219496382, collision successful? True
Time elapsed 50.96317458152771