Details

Time bar (total: 25.8s)

sample276.0ms

Algorithm
intervals
Results
209.0ms172×body1280valid
40.0ms58×body640valid
6.0ms13×body320valid
2.0msbody160valid
1.0msbody80valid

simplify10.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01719
12619
23319
done3319

prune10.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 17.9b

localize26.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2)))
0.2b
(* (acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2))))) R)
1.6b
(acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2)))))
4.7b
(cos (- lambda1 lambda2))

rewrite19.0ms

Algorithm
rewrite-expression-head
Rules
11×pow1 add-exp-log add-cbrt-cube
add-sqr-sqrt
add-cube-cbrt *-un-lft-identity
associate-*r*
associate-*l* pow-prod-down prod-exp cbrt-unprod add-log-exp
cos-diff
cos-sum *-commutative
distribute-rgt-in acos-asin sub-neg distribute-lft-in associate-*l/ cos-mult unswap-sqr
Counts
4 → 57
Calls
4 calls:
10.0ms
(* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2)))
3.0ms
(* (acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2))))) R)
1.0ms
(acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2)))))
5.0ms
(cos (- lambda1 lambda2))

series176.0ms

Counts
4 → 12
Calls
4 calls:
102.0ms
(* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2)))
47.0ms
(* (acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2))))) R)
10.0ms
(acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2)))))
18.0ms
(cos (- lambda1 lambda2))

simplify5.6s

Counts
69 → 69
Iterations

Useful iterations: 3 (762.0ms)

IterNodesCost
01211225
12631213
28421035
325391033
445031033
done50001033

prune313.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 3.1b

localize35.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (sin lambda1) (sin lambda2))
0.2b
(* (acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2)))))) R)
0.3b
(* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2)))
1.5b
(acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2))))))

rewrite25.0ms

Algorithm
rewrite-expression-head
Rules
20×pow1 add-exp-log add-cbrt-cube
12×add-sqr-sqrt
10×pow-prod-down prod-exp cbrt-unprod
add-cube-cbrt *-un-lft-identity
associate-*r* associate-*l*
add-log-exp
*-commutative sin-mult
cos-mult unswap-sqr
acos-asin frac-times associate-*r/ associate-*l/
Counts
4 → 70
Calls
4 calls:
4.0ms
(* (sin lambda1) (sin lambda2))
3.0ms
(* (acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2)))))) R)
16.0ms
(* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2)))
1.0ms
(acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2))))))

series238.0ms

Counts
4 → 12
Calls
4 calls:
44.0ms
(* (sin lambda1) (sin lambda2))
71.0ms
(* (acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2)))))) R)
106.0ms
(* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2)))
17.0ms
(acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2))))))

simplify2.7s

Counts
82 → 82
Iterations

Useful iterations: 2 (116.0ms)

IterNodesCost
01401903
13101683
29751365
339021365
done50011365

prune436.0ms

Pruning

15 alts after pruning (14 fresh and 1 done)

Merged error: 3.0b

localize37.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (log (exp (acos (+ (* (* (cos phi1) (cos phi2)) (+ (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin lambda2)))) (* (sin phi1) (sin phi2)))))) R)
0.3b
(exp (acos (+ (* (* (cos phi1) (cos phi2)) (+ (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin lambda2)))) (* (sin phi1) (sin phi2)))))
1.0b
(log (exp (acos (+ (* (* (cos phi1) (cos phi2)) (+ (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin lambda2)))) (* (sin phi1) (sin phi2))))))
1.5b
(acos (+ (* (* (cos phi1) (cos phi2)) (+ (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin lambda2)))) (* (sin phi1) (sin phi2))))

rewrite13.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt
10×add-cube-cbrt *-un-lft-identity
exp-prod
pow1 log-pow
associate-*l*
add-exp-log add-cbrt-cube
add-log-exp
acos-asin log-prod associate-*r*
exp-diff
log-div rem-log-exp pow-prod-down prod-exp *-commutative cbrt-unprod rem-exp-log unswap-sqr
Counts
4 → 58
Calls
4 calls:
7.0ms
(* (log (exp (acos (+ (* (* (cos phi1) (cos phi2)) (+ (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin lambda2)))) (* (sin phi1) (sin phi2)))))) R)
1.0ms
(exp (acos (+ (* (* (cos phi1) (cos phi2)) (+ (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin lambda2)))) (* (sin phi1) (sin phi2)))))
2.0ms
(log (exp (acos (+ (* (* (cos phi1) (cos phi2)) (+ (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin lambda2)))) (* (sin phi1) (sin phi2))))))
1.0ms
(acos (+ (* (* (cos phi1) (cos phi2)) (+ (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin lambda2)))) (* (sin phi1) (sin phi2))))

series149.0ms

Counts
4 → 12
Calls
4 calls:
70.0ms
(* (log (exp (acos (+ (* (* (cos phi1) (cos phi2)) (+ (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin lambda2)))) (* (sin phi1) (sin phi2)))))) R)
44.0ms
(exp (acos (+ (* (* (cos phi1) (cos phi2)) (+ (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin lambda2)))) (* (sin phi1) (sin phi2)))))
19.0ms
(log (exp (acos (+ (* (* (cos phi1) (cos phi2)) (+ (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin lambda2)))) (* (sin phi1) (sin phi2))))))
16.0ms
(acos (+ (* (* (cos phi1) (cos phi2)) (+ (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin lambda2)))) (* (sin phi1) (sin phi2))))

simplify3.5s

Counts
70 → 70
Iterations

Useful iterations: 5 (551.0ms)

IterNodesCost
01072374
11842277
23692025
35641929
47531929
514431927
645531927
done50001927

prune414.0ms

Pruning

19 alts after pruning (18 fresh and 1 done)

Merged error: 3.0b

localize41.0ms

Local error

Found 4 expressions with local error:

1.5b
(acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cbrt (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2)))) (cbrt (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2))))) (cbrt (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2))))))))
7.1b
(cbrt (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2))))
7.1b
(cbrt (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2))))
7.1b
(cbrt (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2))))

rewrite33.0ms

Algorithm
rewrite-expression-head
Rules
cbrt-div
cos-mult sin-mult
pow1 add-exp-log add-sqr-sqrt add-cube-cbrt *-un-lft-identity add-cbrt-cube add-log-exp
cbrt-prod frac-times pow1/3 associate-*r/ associate-*l/
acos-asin
Counts
4 → 44
Calls
4 calls:
1.0ms
(acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cbrt (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2)))) (cbrt (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2))))) (cbrt (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2))))))))
10.0ms
(cbrt (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2))))
10.0ms
(cbrt (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2))))
11.0ms
(cbrt (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2))))

series603.0ms

Counts
4 → 12
Calls
4 calls:
18.0ms
(acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cbrt (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2)))) (cbrt (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2))))) (cbrt (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2))))))))
193.0ms
(cbrt (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2))))
191.0ms
(cbrt (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2))))
201.0ms
(cbrt (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2))))

simplify1.4s

Counts
56 → 56
Iterations

Useful iterations: 4 (341.0ms)

IterNodesCost
0921528
11831510
23791081
3721967
41710949
done5000949

prune347.0ms

Pruning

19 alts after pruning (17 fresh and 2 done)

Merged error: 3.0b

regimes997.0ms

Accuracy

0% (0.4b remaining)

Error of 3.9b against oracle of 3.5b and baseline of 3.9b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02332
13232
done3232

end0.0ms

sample8.5s

Algorithm
intervals
Results
6.2s4802×body1280valid
1.5s2068×body640valid
320.0ms686×body320valid
83.0ms281×body160valid
32.0ms10×body2560valid
24.0ms156×body80valid