Details

Time bar (total: 30.4s)

sample380.0ms

Algorithm
intervals
Results
236.0ms109×body1280valid
74.0ms71×body640valid
30.0ms39×body320valid
8.0ms15×body160valid
4.0ms22×body80valid

simplify9.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01420
12020
22120
done2120

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 1.0b

localize99.0ms

Local error

Found 4 expressions with local error:

0.2b
(atan2 (* (cos phi2) (sin (- lambda1 lambda2))) (+ (cos phi1) (* (cos phi2) (cos (- lambda1 lambda2)))))
0.5b
(+ (cos phi1) (* (cos phi2) (cos (- lambda1 lambda2))))
3.9b
(cos (- lambda1 lambda2))
4.0b
(sin (- lambda1 lambda2))

rewrite68.0ms

Algorithm
rewrite-expression-head
Rules
add-log-exp
pow1 add-exp-log add-sqr-sqrt add-cube-cbrt *-un-lft-identity add-cbrt-cube
cos-diff
sub-neg cos-sum associate-+r+ sin-sum
+-commutative distribute-rgt-in distribute-lft-in flip3-+ sum-log sin-diff flip-+
Counts
4 → 40
Calls
4 calls:
0.0ms
(atan2 (* (cos phi2) (sin (- lambda1 lambda2))) (+ (cos phi1) (* (cos phi2) (cos (- lambda1 lambda2)))))
20.0ms
(+ (cos phi1) (* (cos phi2) (cos (- lambda1 lambda2))))
23.0ms
(cos (- lambda1 lambda2))
22.0ms
(sin (- lambda1 lambda2))

series264.0ms

Counts
4 → 12
Calls
4 calls:
20.0ms
(atan2 (* (cos phi2) (sin (- lambda1 lambda2))) (+ (cos phi1) (* (cos phi2) (cos (- lambda1 lambda2)))))
182.0ms
(+ (cos phi1) (* (cos phi2) (cos (- lambda1 lambda2))))
33.0ms
(cos (- lambda1 lambda2))
29.0ms
(sin (- lambda1 lambda2))

simplify4.9s

Counts
52 → 52
Iterations

Useful iterations: 3 (346.0ms)

IterNodesCost
097702
1204687
2458615
3970613
42017613
54604613
done5000613

prune430.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 0.8b

localize44.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (cos phi2) (- (* (sin lambda1) (cos lambda2)) (* (cos lambda1) (sin lambda2))))
0.2b
(atan2 (* (cos phi2) (- (* (sin lambda1) (cos lambda2)) (* (cos lambda1) (sin lambda2)))) (+ (cos phi1) (* (cos phi2) (cos (- lambda1 lambda2)))))
0.5b
(+ (cos phi1) (* (cos phi2) (cos (- lambda1 lambda2))))
3.9b
(cos (- lambda1 lambda2))

rewrite141.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
pow1 add-exp-log add-cube-cbrt *-un-lft-identity add-cbrt-cube add-log-exp
distribute-rgt-in cos-diff sub-neg distribute-lft-in associate-*r* associate-*l*
cos-sum associate-+r+ associate-*r/
+-commutative flip3-- flip3-+ pow-prod-down prod-exp sum-log *-commutative flip-- cbrt-unprod flip-+ unswap-sqr
Counts
4 → 54
Calls
4 calls:
104.0ms
(* (cos phi2) (- (* (sin lambda1) (cos lambda2)) (* (cos lambda1) (sin lambda2))))
1.0ms
(atan2 (* (cos phi2) (- (* (sin lambda1) (cos lambda2)) (* (cos lambda1) (sin lambda2)))) (+ (cos phi1) (* (cos phi2) (cos (- lambda1 lambda2)))))
15.0ms
(+ (cos phi1) (* (cos phi2) (cos (- lambda1 lambda2))))
18.0ms
(cos (- lambda1 lambda2))

series424.0ms

Counts
4 → 12
Calls
4 calls:
228.0ms
(* (cos phi2) (- (* (sin lambda1) (cos lambda2)) (* (cos lambda1) (sin lambda2))))
24.0ms
(atan2 (* (cos phi2) (- (* (sin lambda1) (cos lambda2)) (* (cos lambda1) (sin lambda2)))) (+ (cos phi1) (* (cos phi2) (cos (- lambda1 lambda2)))))
142.0ms
(+ (cos phi1) (* (cos phi2) (cos (- lambda1 lambda2))))
30.0ms
(cos (- lambda1 lambda2))

simplify2.5s

Counts
66 → 66
Iterations

Useful iterations: 3 (926.0ms)

IterNodesCost
01211182
12891166
28681032
327511030
done50011030

prune525.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.1b

localize38.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (cos phi2) (* (cos lambda1) (cos lambda2)))
0.2b
(* (cos phi2) (- (* (sin lambda1) (cos lambda2)) (* (cos lambda1) (sin lambda2))))
0.2b
(atan2 (* (cos phi2) (- (* (sin lambda1) (cos lambda2)) (* (cos lambda1) (sin lambda2)))) (+ (+ (cos phi1) (* (cos phi2) (* (cos lambda1) (cos lambda2)))) (* (* (sin lambda1) (sin lambda2)) (cos phi2))))
0.5b
(+ (cos phi1) (* (cos phi2) (* (cos lambda1) (cos lambda2))))

rewrite171.0ms

Algorithm
rewrite-expression-head
Rules
11×pow1 add-exp-log add-cbrt-cube
add-sqr-sqrt
add-cube-cbrt *-un-lft-identity
associate-*l* add-log-exp
associate-*r* pow-prod-down prod-exp cbrt-unprod
associate-*r/
distribute-rgt-in sub-neg distribute-lft-in *-commutative
+-commutative flip3-- flip3-+ sum-log cos-mult flip-- flip-+ unswap-sqr
Counts
4 → 61
Calls
4 calls:
42.0ms
(* (cos phi2) (* (cos lambda1) (cos lambda2)))
113.0ms
(* (cos phi2) (- (* (sin lambda1) (cos lambda2)) (* (cos lambda1) (sin lambda2))))
0.0ms
(atan2 (* (cos phi2) (- (* (sin lambda1) (cos lambda2)) (* (cos lambda1) (sin lambda2)))) (+ (+ (cos phi1) (* (cos phi2) (* (cos lambda1) (cos lambda2)))) (* (* (sin lambda1) (sin lambda2)) (cos phi2))))
14.0ms
(+ (cos phi1) (* (cos phi2) (* (cos lambda1) (cos lambda2))))

series625.0ms

Counts
4 → 12
Calls
4 calls:
140.0ms
(* (cos phi2) (* (cos lambda1) (cos lambda2)))
273.0ms
(* (cos phi2) (- (* (sin lambda1) (cos lambda2)) (* (cos lambda1) (sin lambda2))))
23.0ms
(atan2 (* (cos phi2) (- (* (sin lambda1) (cos lambda2)) (* (cos lambda1) (sin lambda2)))) (+ (+ (cos phi1) (* (cos phi2) (* (cos lambda1) (cos lambda2)))) (* (* (sin lambda1) (sin lambda2)) (cos phi2))))
189.0ms
(+ (cos phi1) (* (cos phi2) (* (cos lambda1) (cos lambda2))))

simplify3.8s

Counts
73 → 73
Iterations

Useful iterations: 3 (1.7s)

IterNodesCost
01411458
13651422
212421242
346011209
done50001209

prune504.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.1b

localize40.0ms

Local error

Found 4 expressions with local error:

0.2b
(atan2 (* (cos phi2) (- (* (sin lambda1) (cos lambda2)) (* (cos lambda1) (sin lambda2)))) (+ (log (exp (+ (cos phi1) (* (cos phi2) (* (cos lambda1) (cos lambda2)))))) (* (* (sin lambda1) (sin lambda2)) (cos phi2))))
0.3b
(exp (+ (cos phi1) (* (cos phi2) (* (cos lambda1) (cos lambda2)))))
0.5b
(+ (cos phi1) (* (cos phi2) (* (cos lambda1) (cos lambda2))))
0.6b
(log (exp (+ (cos phi1) (* (cos phi2) (* (cos lambda1) (cos lambda2))))))

rewrite77.0ms

Algorithm
rewrite-expression-head
Rules
add-log-exp
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
exp-prod
pow1
add-exp-log log-prod log-pow add-cbrt-cube
exp-sum sum-log rem-exp-log
+-commutative flip3-+ rem-log-exp flip-+
Counts
4 → 47
Calls
4 calls:
0.0ms
(atan2 (* (cos phi2) (- (* (sin lambda1) (cos lambda2)) (* (cos lambda1) (sin lambda2)))) (+ (log (exp (+ (cos phi1) (* (cos phi2) (* (cos lambda1) (cos lambda2)))))) (* (* (sin lambda1) (sin lambda2)) (cos phi2))))
28.0ms
(exp (+ (cos phi1) (* (cos phi2) (* (cos lambda1) (cos lambda2)))))
17.0ms
(+ (cos phi1) (* (cos phi2) (* (cos lambda1) (cos lambda2))))
29.0ms
(log (exp (+ (cos phi1) (* (cos phi2) (* (cos lambda1) (cos lambda2))))))

series696.0ms

Counts
4 → 12
Calls
4 calls:
26.0ms
(atan2 (* (cos phi2) (- (* (sin lambda1) (cos lambda2)) (* (cos lambda1) (sin lambda2)))) (+ (log (exp (+ (cos phi1) (* (cos phi2) (* (cos lambda1) (cos lambda2)))))) (* (* (sin lambda1) (sin lambda2)) (cos phi2))))
279.0ms
(exp (+ (cos phi1) (* (cos phi2) (* (cos lambda1) (cos lambda2)))))
190.0ms
(+ (cos phi1) (* (cos phi2) (* (cos lambda1) (cos lambda2))))
200.0ms
(log (exp (+ (cos phi1) (* (cos phi2) (* (cos lambda1) (cos lambda2))))))

simplify2.1s

Counts
59 → 59
Iterations

Useful iterations: 3 (502.0ms)

IterNodesCost
01031295
12241220
26031068
319481035
done50001035

prune441.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.1b

regimes586.0ms

Accuracy

0% (0.2b remaining)

Error of 0.3b against oracle of 0.1b and baseline of 0.3b

bsearch0.0ms

simplify5.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03268
14668
done4668

end0.0ms

sample11.5s

Algorithm
intervals
Results
6.4s3545×body1280valid
3.2s2386×body640valid
765.0ms1003×body320valid
540.0ms704×body80valid
127.0ms362×body160valid