Details

Time bar (total: 32.8s)

sample610.0ms

Algorithm
intervals
Results
398.0ms149×body1280valid
79.0ms66×body640valid
20.0ms28×body320valid
5.0msbody2560valid
4.0msbody160valid
1.0msbody80valid

simplify37.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (3.0ms)

IterNodesCost
01719
12619
23319
33619
done3619

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 15.2b

localize97.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (sin phi1) (sin phi2))
0.3b
(* (acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2))))) R)
0.6b
(acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2)))))
3.8b
(cos (- lambda1 lambda2))

rewrite79.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt
pow1 add-exp-log add-cube-cbrt *-un-lft-identity add-cbrt-cube
associate-*r* associate-*l*
add-log-exp
cos-sum pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
acos-asin cos-diff sub-neg sin-mult
Counts
4 → 55
Calls
4 calls:
28.0ms
(* (sin phi1) (sin phi2))
13.0ms
(* (acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2))))) R)
4.0ms
(acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2)))))
29.0ms
(cos (- lambda1 lambda2))

series257.0ms

Counts
4 → 12
Calls
4 calls:
80.0ms
(* (sin phi1) (sin phi2))
92.0ms
(* (acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2))))) R)
24.0ms
(acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2)))))
62.0ms
(cos (- lambda1 lambda2))

simplify4.1s

Counts
67 → 67
Iterations

Useful iterations: 3 (1.0s)

IterNodesCost
01111035
12081027
2712891
34869887
done5000887

prune470.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 2.5b

localize77.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (sin lambda1) (sin (- lambda2)))
0.2b
(* (sin phi1) (sin phi2))
0.2b
(* (acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (- (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin (- lambda2))))))) R)
0.6b
(acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (- (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin (- lambda2)))))))

rewrite54.0ms

Algorithm
rewrite-expression-head
Rules
16×add-sqr-sqrt
10×pow1 add-exp-log add-cube-cbrt *-un-lft-identity add-cbrt-cube
associate-*r* associate-*l*
add-log-exp
pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
sin-mult
acos-asin sin-neg distribute-rgt-neg-out
Counts
4 → 65
Calls
4 calls:
29.0ms
(* (sin lambda1) (sin (- lambda2)))
14.0ms
(* (sin phi1) (sin phi2))
7.0ms
(* (acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (- (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin (- lambda2))))))) R)
2.0ms
(acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (- (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin (- lambda2)))))))

series274.0ms

Counts
4 → 12
Calls
4 calls:
86.0ms
(* (sin lambda1) (sin (- lambda2)))
56.0ms
(* (sin phi1) (sin phi2))
107.0ms
(* (acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (- (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin (- lambda2))))))) R)
25.0ms
(acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (- (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin (- lambda2)))))))

simplify894.0ms

Counts
77 → 77
Iterations

Useful iterations: done (891.0ms)

IterNodesCost
01431487
12901473
211331274
done50001200

prune717.0ms

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 2.4b

localize71.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (log (exp (acos (+ (* (sin phi2) (sin phi1)) (* (* (cos phi2) (+ (* (sin lambda2) (sin lambda1)) (* (cos lambda1) (cos lambda2)))) (cos phi1)))))) R)
0.4b
(exp (acos (+ (* (sin phi2) (sin phi1)) (* (* (cos phi2) (+ (* (sin lambda2) (sin lambda1)) (* (cos lambda1) (cos lambda2)))) (cos phi1)))))
0.5b
(log (exp (acos (+ (* (sin phi2) (sin phi1)) (* (* (cos phi2) (+ (* (sin lambda2) (sin lambda1)) (* (cos lambda1) (cos lambda2)))) (cos phi1))))))
0.6b
(acos (+ (* (sin phi2) (sin phi1)) (* (* (cos phi2) (+ (* (sin lambda2) (sin lambda1)) (* (cos lambda1) (cos lambda2)))) (cos phi1))))

rewrite48.0ms

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:
32.0ms
(* (log (exp (acos (+ (* (sin phi2) (sin phi1)) (* (* (cos phi2) (+ (* (sin lambda2) (sin lambda1)) (* (cos lambda1) (cos lambda2)))) (cos phi1)))))) R)
5.0ms
(exp (acos (+ (* (sin phi2) (sin phi1)) (* (* (cos phi2) (+ (* (sin lambda2) (sin lambda1)) (* (cos lambda1) (cos lambda2)))) (cos phi1)))))
6.0ms
(log (exp (acos (+ (* (sin phi2) (sin phi1)) (* (* (cos phi2) (+ (* (sin lambda2) (sin lambda1)) (* (cos lambda1) (cos lambda2)))) (cos phi1))))))
2.0ms
(acos (+ (* (sin phi2) (sin phi1)) (* (* (cos phi2) (+ (* (sin lambda2) (sin lambda1)) (* (cos lambda1) (cos lambda2)))) (cos phi1))))

series249.0ms

Counts
4 → 12
Calls
4 calls:
130.0ms
(* (log (exp (acos (+ (* (sin phi2) (sin phi1)) (* (* (cos phi2) (+ (* (sin lambda2) (sin lambda1)) (* (cos lambda1) (cos lambda2)))) (cos phi1)))))) R)
58.0ms
(exp (acos (+ (* (sin phi2) (sin phi1)) (* (* (cos phi2) (+ (* (sin lambda2) (sin lambda1)) (* (cos lambda1) (cos lambda2)))) (cos phi1)))))
29.0ms
(log (exp (acos (+ (* (sin phi2) (sin phi1)) (* (* (cos phi2) (+ (* (sin lambda2) (sin lambda1)) (* (cos lambda1) (cos lambda2)))) (cos phi1))))))
32.0ms
(acos (+ (* (sin phi2) (sin phi1)) (* (* (cos phi2) (+ (* (sin lambda2) (sin lambda1)) (* (cos lambda1) (cos lambda2)))) (cos phi1))))

simplify2.4s

Counts
70 → 70
Iterations

Useful iterations: 3 (512.0ms)

IterNodesCost
01032374
11842277
24931931
326141929
done50001929

prune641.0ms

Pruning

16 alts after pruning (16 fresh and 0 done)

Merged error: 2.4b

localize59.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (sin phi1) (sin phi2))
0.2b
(* (acos (+ (log (exp (* (sin phi1) (sin phi2)))) (* (* (cos phi1) (cos phi2)) (- (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin (- lambda2))))))) R)
0.6b
(acos (+ (log (exp (* (sin phi1) (sin phi2)))) (* (* (cos phi1) (cos phi2)) (- (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin (- lambda2)))))))
2.9b
(log (exp (* (sin phi1) (sin phi2))))

rewrite34.0ms

Algorithm
rewrite-expression-head
Rules
13×add-sqr-sqrt
pow1 add-cube-cbrt *-un-lft-identity
add-exp-log add-cbrt-cube
associate-*r* associate-*l*
add-log-exp
log-prod log-pow
pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
acos-asin exp-prod exp-to-pow rem-log-exp sin-mult
Counts
4 → 59
Calls
4 calls:
12.0ms
(* (sin phi1) (sin phi2))
7.0ms
(* (acos (+ (log (exp (* (sin phi1) (sin phi2)))) (* (* (cos phi1) (cos phi2)) (- (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin (- lambda2))))))) R)
4.0ms
(acos (+ (log (exp (* (sin phi1) (sin phi2)))) (* (* (cos phi1) (cos phi2)) (- (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin (- lambda2)))))))
9.0ms
(log (exp (* (sin phi1) (sin phi2))))

series308.0ms

Counts
4 → 12
Calls
4 calls:
67.0ms
(* (sin phi1) (sin phi2))
138.0ms
(* (acos (+ (log (exp (* (sin phi1) (sin phi2)))) (* (* (cos phi1) (cos phi2)) (- (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin (- lambda2))))))) R)
25.0ms
(acos (+ (log (exp (* (sin phi1) (sin phi2)))) (* (* (cos phi1) (cos phi2)) (- (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin (- lambda2)))))))
77.0ms
(log (exp (* (sin phi1) (sin phi2))))

simplify1.2s

Counts
71 → 71
Iterations

Useful iterations: done (765.0ms)

IterNodesCost
01241515
12291410
27451220
done50001146

prune606.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 2.4b

regimes1.5s

Accuracy

0% (0.3b remaining)

Error of 3.8b against oracle of 3.5b and baseline of 3.8b

bsearch0.0ms

simplify6.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02529
13129
done3129

end0.0ms

sample18.1s

Algorithm
intervals
Results
13.1s4860×body1280valid
3.5s2103×body640valid
516.0ms659×body320valid
121.0ms255×body160valid
76.0ms115×body80valid
48.0ms10×body2560valid