Details

Time bar (total: 43.0s)

sample701.0ms

Algorithm
intervals
Results
388.0ms146×body1280valid
157.0ms71×body640valid
19.0ms25×body320valid
7.0ms11×body160valid
1.0msbody80valid

simplify51.0ms

Counts
1 → 1
Iterations

Useful iterations: 1 (13.0ms)

IterNodesCost
01719
12718
23818
34318
done4318

prune30.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 20.0b

localize70.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (sin phi1) (sin phi2))
0.2b
(* (acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2))))) R)
1.2b
(acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2)))))
3.1b
(cos (- lambda1 lambda2))

rewrite61.0ms

Algorithm
rewrite-expression-head
Rules
18×add-sqr-sqrt
14×add-cube-cbrt *-un-lft-identity
11×cos-sum
prod-diff
pow1 add-exp-log add-cbrt-cube
associate-*r* associate-*l*
expm1-log1p-u log1p-expm1-u add-log-exp
pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
acos-asin cos-diff sub-neg sin-mult
Counts
4 → 72
Calls
4 calls:
28.0ms
(* (sin phi1) (sin phi2))
7.0ms
(* (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)))))
18.0ms
(cos (- lambda1 lambda2))

series193.0ms

Counts
4 → 12
Calls
4 calls:
70.0ms
(* (sin phi1) (sin phi2))
73.0ms
(* (acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2))))) R)
13.0ms
(acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2)))))
37.0ms
(cos (- lambda1 lambda2))

simplify4.4s

Counts
84 → 84
Iterations

Useful iterations: 5 (1.7s)

IterNodesCost
01871607
13161393
25971170
39421127
412471054
51907990
63847990
done5001990

prune664.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 5.0b

localize74.0ms

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)
1.2b
(acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (- (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin (- lambda2)))))))

rewrite70.0ms

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*
expm1-log1p-u log1p-expm1-u 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 → 73
Calls
4 calls:
23.0ms
(* (sin lambda1) (sin (- lambda2)))
25.0ms
(* (sin phi1) (sin phi2))
15.0ms
(* (acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (- (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin (- lambda2))))))) R)
5.0ms
(acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (- (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin (- lambda2)))))))

series326.0ms

Counts
4 → 12
Calls
4 calls:
79.0ms
(* (sin lambda1) (sin (- lambda2)))
73.0ms
(* (sin phi1) (sin phi2))
154.0ms
(* (acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (- (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin (- lambda2))))))) R)
21.0ms
(acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (- (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin (- lambda2)))))))

simplify6.6s

Counts
85 → 85
Iterations

Useful iterations: 3 (786.0ms)

IterNodesCost
01511621
12811563
27521366
316261254
430391254
done50001254

prune760.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 4.8b

localize64.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (- (* (cos lambda1) (cos lambda2)) (cbrt (pow (* (sin lambda1) (sin (- lambda2))) 3)))))) R)
0.4b
(pow (* (sin lambda1) (sin (- lambda2))) 3)
1.2b
(acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (- (* (cos lambda1) (cos lambda2)) (cbrt (pow (* (sin lambda1) (sin (- lambda2))) 3))))))
26.1b
(cbrt (pow (* (sin lambda1) (sin (- lambda2))) 3))

rewrite60.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt
pow1 add-exp-log add-cbrt-cube
cbrt-prod add-cube-cbrt *-un-lft-identity
expm1-log1p-u log1p-expm1-u add-log-exp
pow-unpow associate-*r* associate-*l*
cube-div cube-mult unpow-prod-down pow-pow unpow3 cube-prod pow-prod-down pow-exp prod-exp cbrt-unprod sin-mult rem-cube-cbrt sqr-pow
acos-asin pow-to-exp cbrt-div pow1/3 cube-neg sin-neg *-commutative distribute-rgt-neg-out rem-cbrt-cube unswap-sqr
Counts
4 → 76
Calls
4 calls:
29.0ms
(* (acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (- (* (cos lambda1) (cos lambda2)) (cbrt (pow (* (sin lambda1) (sin (- lambda2))) 3)))))) R)
19.0ms
(pow (* (sin lambda1) (sin (- lambda2))) 3)
2.0ms
(acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (- (* (cos lambda1) (cos lambda2)) (cbrt (pow (* (sin lambda1) (sin (- lambda2))) 3))))))
7.0ms
(cbrt (pow (* (sin lambda1) (sin (- lambda2))) 3))

series343.0ms

Counts
4 → 12
Calls
4 calls:
101.0ms
(* (acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (- (* (cos lambda1) (cos lambda2)) (cbrt (pow (* (sin lambda1) (sin (- lambda2))) 3)))))) R)
120.0ms
(pow (* (sin lambda1) (sin (- lambda2))) 3)
38.0ms
(acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (- (* (cos lambda1) (cos lambda2)) (cbrt (pow (* (sin lambda1) (sin (- lambda2))) 3))))))
83.0ms
(cbrt (pow (* (sin lambda1) (sin (- lambda2))) 3))

simplify4.3s

Counts
88 → 88
Iterations

Useful iterations: 3 (1.4s)

IterNodesCost
01551959
13221671
29501479
342461365
done50011365

prune759.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 4.8b

localize43.0ms

Local error

Found 4 expressions with local error:

0.3b
(fma (* (cos phi1) (cos phi2)) (fma (sin lambda1) (sin lambda2) (* (cos lambda1) (cos lambda2))) (* (sin phi1) (sin phi2)))
0.4b
(exp (acos (fma (* (cos phi1) (cos phi2)) (fma (sin lambda1) (sin lambda2) (* (cos lambda1) (cos lambda2))) (* (sin phi1) (sin phi2)))))
0.9b
(log (exp (acos (fma (* (cos phi1) (cos phi2)) (fma (sin lambda1) (sin lambda2) (* (cos lambda1) (cos lambda2))) (* (sin phi1) (sin phi2))))))
1.2b
(acos (fma (* (cos phi1) (cos phi2)) (fma (sin lambda1) (sin lambda2) (* (cos lambda1) (cos lambda2))) (* (sin phi1) (sin phi2))))

rewrite8.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
exp-prod
pow1 add-log-exp
add-exp-log expm1-log1p-u log-pow add-cbrt-cube log1p-expm1-u
acos-asin log-prod
exp-diff
log-div rem-log-exp fma-udef rem-exp-log
Counts
4 → 52
Calls
4 calls:
0.0ms
(fma (* (cos phi1) (cos phi2)) (fma (sin lambda1) (sin lambda2) (* (cos lambda1) (cos lambda2))) (* (sin phi1) (sin phi2)))
2.0ms
(exp (acos (fma (* (cos phi1) (cos phi2)) (fma (sin lambda1) (sin lambda2) (* (cos lambda1) (cos lambda2))) (* (sin phi1) (sin phi2)))))
3.0ms
(log (exp (acos (fma (* (cos phi1) (cos phi2)) (fma (sin lambda1) (sin lambda2) (* (cos lambda1) (cos lambda2))) (* (sin phi1) (sin phi2))))))
1.0ms
(acos (fma (* (cos phi1) (cos phi2)) (fma (sin lambda1) (sin lambda2) (* (cos lambda1) (cos lambda2))) (* (sin phi1) (sin phi2))))

series442.0ms

Counts
4 → 12
Calls
4 calls:
370.0ms
(fma (* (cos phi1) (cos phi2)) (fma (sin lambda1) (sin lambda2) (* (cos lambda1) (cos lambda2))) (* (sin phi1) (sin phi2)))
45.0ms
(exp (acos (fma (* (cos phi1) (cos phi2)) (fma (sin lambda1) (sin lambda2) (* (cos lambda1) (cos lambda2))) (* (sin phi1) (sin phi2)))))
13.0ms
(log (exp (acos (fma (* (cos phi1) (cos phi2)) (fma (sin lambda1) (sin lambda2) (* (cos lambda1) (cos lambda2))) (* (sin phi1) (sin phi2))))))
14.0ms
(acos (fma (* (cos phi1) (cos phi2)) (fma (sin lambda1) (sin lambda2) (* (cos lambda1) (cos lambda2))) (* (sin phi1) (sin phi2))))

simplify2.2s

Counts
64 → 64
Iterations

Useful iterations: done (2.1s)

IterNodesCost
0901821
11451772
22801562
37331561
432921560
done50001559

prune396.0ms

Pruning

18 alts after pruning (17 fresh and 1 done)

Merged error: 4.8b

regimes1.3s

Accuracy

0% (0.4b remaining)

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

bsearch0.0ms

simplify5.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02630
13330
done3330

end0.0ms

sample19.1s

Algorithm
intervals
Results
13.2s4778×body1280valid
4.3s2092×body640valid
579.0ms682×body320valid
186.0ms301×body160valid
72.0ms14×body2560valid
37.0ms135×body80valid