Details

Time bar (total: 12.5s)

sample257.0ms

Algorithm
intervals
Results
187.0ms163×body1280valid
39.0ms63×body640valid
9.0ms22×body320valid
2.0msbody160valid
0.0msbody80valid

simplify8.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02712
13912
24412
34512
44512
done4512

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 18.0b

localize31.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2)))
0.3b
(* (acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2))))) R)
0.8b
(acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2)))))
2.9b
(cos (- lambda1 lambda2))

rewrite56.0ms

Algorithm
rewrite-expression-head
Rules
15×add-sqr-sqrt
13×add-cube-cbrt *-un-lft-identity
11×pow1 add-exp-log cos-sum add-cbrt-cube
prod-diff
associate-*r*
expm1-log1p-u associate-*l* pow-prod-down prod-exp cbrt-unprod log1p-expm1-u add-log-exp
cos-diff
*-commutative
distribute-rgt-in acos-asin sub-neg distribute-lft-in associate-*l/ cos-mult unswap-sqr
Counts
4 → 74
Calls
4 calls:
32.0ms
(* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2)))
6.0ms
(* (acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2))))) R)
2.0ms
(acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2)))))
13.0ms
(cos (- lambda1 lambda2))

series186.0ms

Counts
4 → 12
Calls
4 calls:
109.0ms
(* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2)))
46.0ms
(* (acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2))))) R)
11.0ms
(acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2)))))
19.0ms
(cos (- lambda1 lambda2))

simplify45.0ms

Counts
86 → 86
Iterations

Useful iterations: 2 (32.0ms)

IterNodesCost
03881113
11250911
25001909
done5001909

prune349.0ms

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 2.9b

localize32.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (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)))
0.3b
(* (sin lambda1) (sin lambda2))
0.8b
(acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2))))))

rewrite65.0ms

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*
expm1-log1p-u log1p-expm1-u add-log-exp
*-commutative sin-mult
cos-mult unswap-sqr
acos-asin frac-times associate-*r/ associate-*l/
Counts
4 → 78
Calls
4 calls:
6.0ms
(* (acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2)))))) R)
43.0ms
(* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2)))
11.0ms
(* (sin lambda1) (sin lambda2))
2.0ms
(acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2))))))

series300.0ms

Counts
4 → 12
Calls
4 calls:
76.0ms
(* (acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2)))))) R)
116.0ms
(* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2)))
74.0ms
(* (sin lambda1) (sin lambda2))
34.0ms
(acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2))))))

simplify46.0ms

Counts
90 → 90
Iterations

Useful iterations: 1 (9.0ms)

IterNodesCost
03251357
112371141
250011141
done50011141

prune469.0ms

Pruning

16 alts after pruning (16 fresh and 0 done)

Merged error: 2.8b

localize42.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (sin lambda1) (sin lambda2))
0.4b
(exp (acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2)))))))
0.6b
(log (exp (acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2))))))))
0.8b
(acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2))))))

rewrite24.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt
add-cube-cbrt *-un-lft-identity
pow1
add-exp-log exp-prod add-cbrt-cube
add-log-exp
expm1-log1p-u log-pow log1p-expm1-u
acos-asin log-prod associate-*r* associate-*l*
exp-diff
log-div rem-log-exp pow-prod-down prod-exp *-commutative cbrt-unprod rem-exp-log sin-mult unswap-sqr
Counts
4 → 63
Calls
4 calls:
12.0ms
(* (sin lambda1) (sin lambda2))
3.0ms
(exp (acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2)))))))
5.0ms
(log (exp (acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2))))))))
2.0ms
(acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2))))))

series139.0ms

Counts
4 → 12
Calls
4 calls:
51.0ms
(* (sin lambda1) (sin lambda2))
48.0ms
(exp (acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2)))))))
22.0ms
(log (exp (acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2))))))))
18.0ms
(acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2))))))

simplify101.0ms

Counts
75 → 75
Iterations

Useful iterations: 1 (6.0ms)

IterNodesCost
02041410
15171249
211881249
318821249
437161249
550021249
done50021249

prune485.0ms

Pruning

18 alts after pruning (18 fresh and 0 done)

Merged error: 2.7b

localize45.0ms

Local error

Found 4 expressions with local error:

0.8b
(acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (* (cbrt (* (sin lambda1) (sin lambda2))) (cbrt (* (sin lambda1) (sin lambda2)))) (cbrt (* (sin lambda1) (sin lambda2))))))))
7.1b
(cbrt (* (sin lambda1) (sin lambda2)))
7.1b
(cbrt (* (sin lambda1) (sin lambda2)))
7.1b
(cbrt (* (sin lambda1) (sin lambda2)))

rewrite19.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-sqr-sqrt expm1-log1p-u add-cube-cbrt *-un-lft-identity add-cbrt-cube log1p-expm1-u add-log-exp
cbrt-prod cbrt-div pow1/3 sin-mult
acos-asin
Counts
4 → 46
Calls
4 calls:
2.0ms
(acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (* (cbrt (* (sin lambda1) (sin lambda2))) (cbrt (* (sin lambda1) (sin lambda2)))) (cbrt (* (sin lambda1) (sin lambda2))))))))
5.0ms
(cbrt (* (sin lambda1) (sin lambda2)))
5.0ms
(cbrt (* (sin lambda1) (sin lambda2)))
5.0ms
(cbrt (* (sin lambda1) (sin lambda2)))

series314.0ms

Counts
4 → 12
Calls
4 calls:
20.0ms
(acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (* (cbrt (* (sin lambda1) (sin lambda2))) (cbrt (* (sin lambda1) (sin lambda2)))) (cbrt (* (sin lambda1) (sin lambda2))))))))
96.0ms
(cbrt (* (sin lambda1) (sin lambda2)))
98.0ms
(cbrt (* (sin lambda1) (sin lambda2)))
101.0ms
(cbrt (* (sin lambda1) (sin lambda2)))

simplify155.0ms

Counts
58 → 58
Iterations

Useful iterations: 3 (38.0ms)

IterNodesCost
0167782
1416689
21278665
34462639
45001639
done5001639

prune399.0ms

Pruning

18 alts after pruning (17 fresh and 1 done)

Merged error: 2.7b

regimes920.0ms

Accuracy

0% (0.4b remaining)

Error of 3.9b against oracle of 3.4b and baseline of 3.9b

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03834
13834
done3834

end0.0ms

sample8.1s

Algorithm
intervals
Results
5.6s4752×body1280valid
1.6s2141×body640valid
274.0ms667×body320valid
79.0ms286×body160valid
57.0ms16×body2560valid
21.0ms141×body80valid