Details

Time bar (total: 12.1s)

sample246.0ms

Algorithm
intervals
Results
176.0ms154×body1280valid
41.0ms66×body640valid
9.0ms21×body320valid
3.0ms13×body160valid
0.0msbody80valid

simplify19.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
02612
13412
23612
33612

prune8.0ms

Filtered
1 candidates to 0 candidates (0.0%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 20.7b

Counts
2 → 1

localize27.0ms

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)
2.1b
(acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2)))))
3.7b
(cos (- lambda1 lambda2))

rewrite21.0ms

Algorithm
rewrite-expression-head
Rules
19×add-sqr-sqrt
18×associate-*l*
11×pow1 add-exp-log add-cbrt-cube
10×add-cube-cbrt *-un-lft-identity
associate-*r*
unswap-sqr
pow-prod-down prod-exp cbrt-unprod add-log-exp
cos-diff *-commutative
cos-sum
distribute-rgt-in acos-asin sub-neg distribute-lft-in associate-*l/ cos-mult
Counts
4 → 70
Calls
4 calls:
9.0ms
(* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2)))
3.0ms
(* (acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2))))) R)
3.0ms
(acos (+ (* (sin phi1) (sin phi2)) (* (* (cos phi1) (cos phi2)) (cos (- lambda1 lambda2)))))
4.0ms
(cos (- lambda1 lambda2))

series182.0ms

Counts
4 → 12
Calls
4 calls:
106.0ms
(* (* (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)))))
19.0ms
(cos (- lambda1 lambda2))

simplify113.0ms

Algorithm
egg-herbie
Counts
82 → 82
Iterations

Useful iterations: 1 (8.0ms)

IterNodesCost
0300873
11078756
24807756
35002756

prune296.0ms

Filtered
82 candidates to 61 candidates (74.4%)
Pruning

14 alts after pruning (14 fresh and 0 done)

PrunedKeptTotal
New681482
Fresh000
Picked101
Done000
Total691483

Merged error: 6.9b

Counts
83 → 14

localize36.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2)))
0.2b
(* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2)))
0.3b
(* (acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2)))))) R)
2.1b
(acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2))))))

rewrite41.0ms

Algorithm
rewrite-expression-head
Rules
52×add-sqr-sqrt
39×associate-*r* associate-*l*
30×pow1 add-exp-log add-cbrt-cube
21×unswap-sqr
18×add-cube-cbrt *-un-lft-identity
17×pow-prod-down prod-exp cbrt-unprod
*-commutative
cos-mult
add-log-exp
frac-times associate-*r/ associate-*l/ sin-mult
acos-asin
Counts
4 → 128
Calls
4 calls:
15.0ms
(* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2)))
15.0ms
(* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos 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)
3.0ms
(acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2))))))

series325.0ms

Counts
4 → 12
Calls
4 calls:
109.0ms
(* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2)))
130.0ms
(* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2)))
70.0ms
(* (acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2)))))) R)
16.0ms
(acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2))))))

simplify83.0ms

Algorithm
egg-herbie
Counts
140 → 140
Iterations

Useful iterations: 1 (17.0ms)

IterNodesCost
06591909
131101632
250011632

prune566.0ms

Filtered
140 candidates to 91 candidates (65.0%)
Pruning

13 alts after pruning (13 fresh and 0 done)

PrunedKeptTotal
New12812140
Fresh12113
Picked101
Done000
Total14113154

Merged error: 6.8b

Counts
154 → 13

localize37.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (log (exp (acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2)))))))) R)
0.3b
(exp (acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2)))))))
1.3b
(log (exp (acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2))))))))
2.1b
(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
12×add-sqr-sqrt
10×add-cube-cbrt *-un-lft-identity
exp-prod
pow1 log-pow
add-exp-log associate-*l*
add-cbrt-cube
add-log-exp
acos-asin log-prod associate-*r*
exp-diff rem-log-exp
log-div pow-prod-down prod-exp *-commutative cbrt-unprod rem-exp-log unswap-sqr
Counts
4 → 59
Calls
4 calls:
7.0ms
(* (log (exp (acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2)))))))) R)
4.0ms
(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))))))))
4.0ms
(acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2))))))

series147.0ms

Counts
4 → 12
Calls
4 calls:
68.0ms
(* (log (exp (acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2)))))))) R)
46.0ms
(exp (acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2)))))))
17.0ms
(log (exp (acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2))))))))
16.0ms
(acos (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2))))))

simplify121.0ms

Algorithm
egg-herbie
Counts
71 → 71
Iterations

Useful iterations: 4 (42.0ms)

IterNodesCost
01851853
14081609
28891605
312391605
434781601
550021601

prune363.0ms

Filtered
71 candidates to 49 candidates (69.0%)
Pruning

14 alts after pruning (14 fresh and 0 done)

PrunedKeptTotal
New67471
Fresh21012
Picked101
Done000
Total701484

Merged error: 6.7b

Counts
84 → 14

localize35.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2)))
0.3b
(* (- (/ PI 2) (asin (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2))))))) R)
0.8b
(asin (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2))))))
1.4b
(- (/ PI 2) (asin (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2)))))))

rewrite40.0ms

Algorithm
rewrite-expression-head
Rules
40×add-sqr-sqrt
24×associate-*l*
21×associate-*r*
18×pow1 add-exp-log add-cbrt-cube
16×*-un-lft-identity
12×add-cube-cbrt
11×unswap-sqr
pow-prod-down prod-exp cbrt-unprod
add-log-exp
cos-mult *-commutative difference-of-squares
associate-*l/
asin-acos flip3-- times-frac flip-- distribute-lft-out--
frac-times sub-neg diff-log associate-*r/ associate--r-
Counts
4 → 98
Calls
4 calls:
15.0ms
(* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2)))
11.0ms
(* (- (/ PI 2) (asin (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2))))))) R)
3.0ms
(asin (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2))))))
8.0ms
(- (/ PI 2) (asin (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2)))))))

series379.0ms

Counts
4 → 12
Calls
4 calls:
129.0ms
(* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2)))
175.0ms
(* (- (/ PI 2) (asin (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2))))))) R)
16.0ms
(asin (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2))))))
58.0ms
(- (/ PI 2) (asin (+ (* (sin phi1) (sin phi2)) (+ (* (* (cos phi1) (cos phi2)) (* (cos lambda1) (cos lambda2))) (* (* (cos phi1) (cos phi2)) (* (sin lambda1) (sin lambda2)))))))

simplify68.0ms

Algorithm
egg-herbie
Counts
110 → 110
Iterations

Useful iterations: 1 (14.0ms)

IterNodesCost
05272162
121651948
250021948

prune455.0ms

Filtered
110 candidates to 75 candidates (68.2%)
Pruning

16 alts after pruning (16 fresh and 0 done)

PrunedKeptTotal
New10010110
Fresh7613
Picked101
Done000
Total10816124

Merged error: 6.4b

Counts
124 → 16

regimes636.0ms

Accuracy

0% (1.1b remaining)

Error of 4.5b against oracle of 3.5b and baseline of 4.5b

bsearch0.0ms

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
04068
14068

end0.0ms

sample7.9s

Algorithm
intervals
Results
5.6s4695×body1280valid
1.4s2141×body640valid
321.0ms709×body320valid
86.0ms309×body160valid
41.0ms13×body2560valid
25.0ms135×body80valid