Details

Time bar (total: 39.5s)

sample634.0ms

Algorithm
intervals
Results
393.0ms151×body1280valid
133.0ms69×body640valid
19.0ms22×body320valid
5.0ms10×body160valid
1.0msbody80valid

simplify53.0ms

Counts
1 → 1
Iterations

Useful iterations: 1 (13.0ms)

IterNodesCost
01719
12718
23818
34318
done4318

prune65.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 18.1b

localize32.0ms

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)
1.3b
(acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2)))))
3.2b
(cos (- lambda1 lambda2))

rewrite91.0ms

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:
42.0ms
(* (sin phi1) (sin phi2))
14.0ms
(* (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)))))
24.0ms
(cos (- lambda1 lambda2))

series197.0ms

Counts
4 → 12
Calls
4 calls:
58.0ms
(* (sin phi1) (sin phi2))
85.0ms
(* (acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2))))) R)
23.0ms
(acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2)))))
30.0ms
(cos (- lambda1 lambda2))

simplify4.7s

Counts
84 → 84
Iterations

Useful iterations: 5 (1.6s)

IterNodesCost
01871607
13161393
25971170
39421127
412471054
51907990
63847990
done5001990

prune649.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 3.6b

localize68.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* (cos phi1) (cos phi2)) (- (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin (- lambda2)))))
0.2b
(* (sin lambda1) (sin (- lambda2)))
0.3b
(* (acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (- (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin (- lambda2))))))) R)
1.4b
(acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (- (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin (- lambda2)))))))

rewrite166.0ms

Algorithm
rewrite-expression-head
Rules
13×pow1 add-exp-log add-sqr-sqrt add-cbrt-cube
add-cube-cbrt *-un-lft-identity associate-*r* cos-mult
associate-*l*
pow-prod-down prod-exp cbrt-unprod sin-mult
expm1-log1p-u frac-times associate-*r/ log1p-expm1-u add-log-exp
distribute-rgt-in distribute-lft-in *-commutative
sub-neg flip3-- prod-diff frac-sub flip-- sub-div unswap-sqr
acos-asin associate-*l/ sin-neg distribute-rgt-neg-out
Counts
4 → 87
Calls
4 calls:
135.0ms
(* (* (cos phi1) (cos phi2)) (- (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin (- lambda2)))))
19.0ms
(* (sin lambda1) (sin (- lambda2)))
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)))))))

series582.0ms

Counts
4 → 12
Calls
4 calls:
333.0ms
(* (* (cos phi1) (cos phi2)) (- (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin (- lambda2)))))
82.0ms
(* (sin lambda1) (sin (- lambda2)))
146.0ms
(* (acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (- (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin (- lambda2))))))) R)
20.0ms
(acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (- (* (cos lambda1) (cos lambda2)) (* (sin lambda1) (sin (- lambda2)))))))

simplify1.4s

Counts
99 → 99
Iterations

Useful iterations: done (1.4s)

IterNodesCost
02132480
15022383
218031919
done50011885

prune862.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 3.4b

localize88.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (log (exp (acos (fma (fma (cos lambda1) (cos lambda2) (* (sin lambda1) (sin lambda2))) (* (cos phi1) (cos phi2)) (* (sin phi1) (sin phi2)))))) R)
0.3b
(exp (acos (fma (fma (cos lambda1) (cos lambda2) (* (sin lambda1) (sin lambda2))) (* (cos phi1) (cos phi2)) (* (sin phi1) (sin phi2)))))
0.9b
(log (exp (acos (fma (fma (cos lambda1) (cos lambda2) (* (sin lambda1) (sin lambda2))) (* (cos phi1) (cos phi2)) (* (sin phi1) (sin phi2))))))
1.4b
(acos (fma (fma (cos lambda1) (cos lambda2) (* (sin lambda1) (sin lambda2))) (* (cos phi1) (cos phi2)) (* (sin phi1) (sin phi2))))

rewrite22.0ms

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
expm1-log1p-u log1p-expm1-u
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 → 66
Calls
4 calls:
13.0ms
(* (log (exp (acos (fma (fma (cos lambda1) (cos lambda2) (* (sin lambda1) (sin lambda2))) (* (cos phi1) (cos phi2)) (* (sin phi1) (sin phi2)))))) R)
2.0ms
(exp (acos (fma (fma (cos lambda1) (cos lambda2) (* (sin lambda1) (sin lambda2))) (* (cos phi1) (cos phi2)) (* (sin phi1) (sin phi2)))))
4.0ms
(log (exp (acos (fma (fma (cos lambda1) (cos lambda2) (* (sin lambda1) (sin lambda2))) (* (cos phi1) (cos phi2)) (* (sin phi1) (sin phi2))))))
1.0ms
(acos (fma (fma (cos lambda1) (cos lambda2) (* (sin lambda1) (sin lambda2))) (* (cos phi1) (cos phi2)) (* (sin phi1) (sin phi2))))

series199.0ms

Counts
4 → 12
Calls
4 calls:
76.0ms
(* (log (exp (acos (fma (fma (cos lambda1) (cos lambda2) (* (sin lambda1) (sin lambda2))) (* (cos phi1) (cos phi2)) (* (sin phi1) (sin phi2)))))) R)
66.0ms
(exp (acos (fma (fma (cos lambda1) (cos lambda2) (* (sin lambda1) (sin lambda2))) (* (cos phi1) (cos phi2)) (* (sin phi1) (sin phi2)))))
28.0ms
(log (exp (acos (fma (fma (cos lambda1) (cos lambda2) (* (sin lambda1) (sin lambda2))) (* (cos phi1) (cos phi2)) (* (sin phi1) (sin phi2))))))
29.0ms
(acos (fma (fma (cos lambda1) (cos lambda2) (* (sin lambda1) (sin lambda2))) (* (cos phi1) (cos phi2)) (* (sin phi1) (sin phi2))))

simplify5.7s

Counts
78 → 78
Iterations

Useful iterations: 5 (921.0ms)

IterNodesCost
0932330
11392225
22671971
34401971
46921971
516171969
649191969
done50001969

prune782.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 3.4b

localize79.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* (cos phi1) (cos phi2)) (- (* (cos lambda1) (cos lambda2)) (log1p (expm1 (* (sin lambda1) (sin (- lambda2)))))))
0.2b
(* (sin phi1) (sin phi2))
0.3b
(* (acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (- (* (cos lambda1) (cos lambda2)) (log1p (expm1 (* (sin lambda1) (sin (- lambda2))))))))) R)
1.4b
(acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (- (* (cos lambda1) (cos lambda2)) (log1p (expm1 (* (sin lambda1) (sin (- lambda2)))))))))

rewrite125.0ms

Algorithm
rewrite-expression-head
Rules
15×add-sqr-sqrt
13×pow1 add-exp-log add-cbrt-cube
11×add-cube-cbrt *-un-lft-identity
associate-*r*
associate-*l*
prod-diff
distribute-rgt-in distribute-lft-in pow-prod-down prod-exp cbrt-unprod
expm1-log1p-u log1p-expm1-u add-log-exp
cos-mult *-commutative
frac-times sub-neg flip3-- associate-*r/ flip-- unswap-sqr
acos-asin associate-*l/ sin-mult
Counts
4 → 86
Calls
4 calls:
86.0ms
(* (* (cos phi1) (cos phi2)) (- (* (cos lambda1) (cos lambda2)) (log1p (expm1 (* (sin lambda1) (sin (- lambda2)))))))
25.0ms
(* (sin phi1) (sin phi2))
8.0ms
(* (acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (- (* (cos lambda1) (cos lambda2)) (log1p (expm1 (* (sin lambda1) (sin (- lambda2))))))))) R)
2.0ms
(acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (- (* (cos lambda1) (cos lambda2)) (log1p (expm1 (* (sin lambda1) (sin (- lambda2)))))))))

series589.0ms

Counts
4 → 12
Calls
4 calls:
368.0ms
(* (* (cos phi1) (cos phi2)) (- (* (cos lambda1) (cos lambda2)) (log1p (expm1 (* (sin lambda1) (sin (- lambda2)))))))
69.0ms
(* (sin phi1) (sin phi2))
110.0ms
(* (acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (- (* (cos lambda1) (cos lambda2)) (log1p (expm1 (* (sin lambda1) (sin (- lambda2))))))))) R)
42.0ms
(acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (- (* (cos lambda1) (cos lambda2)) (log1p (expm1 (* (sin lambda1) (sin (- lambda2)))))))))

simplify1.6s

Counts
98 → 98
Iterations

Useful iterations: done (1.6s)

IterNodesCost
02152869
14902411
216862040
done50001850

prune661.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 3.4b

regimes1.0s

Accuracy

0% (0.4b remaining)

Error of 3.6b against oracle of 3.2b and baseline of 3.6b

bsearch0.0ms

simplify4.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02428
12828
done2828

end0.0ms

sample19.0s

Algorithm
intervals
Results
12.1s4725×body1280valid
5.1s2150×body640valid
774.0ms715×body320valid
145.0ms271×body160valid
50.0ms11×body2560valid
37.0ms130×body80valid