Details

Time bar (total: 27.5s)

sample335.0ms

Algorithm
intervals
Results
179.0ms109×body1280valid
91.0ms71×body640valid
26.0ms39×body320valid
6.0ms15×body160valid
4.0ms22×body80valid

simplify19.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01420
12020
22120
done2120

prune39.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 1.0b

localize35.0ms

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))

rewrite46.0ms

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)))))
21.0ms
(+ (cos phi1) (* (cos phi2) (cos (- lambda1 lambda2))))
11.0ms
(cos (- lambda1 lambda2))
11.0ms
(sin (- lambda1 lambda2))

series268.0ms

Counts
4 → 12
Calls
4 calls:
13.0ms
(atan2 (* (cos phi2) (sin (- lambda1 lambda2))) (+ (cos phi1) (* (cos phi2) (cos (- lambda1 lambda2)))))
186.0ms
(+ (cos phi1) (* (cos phi2) (cos (- lambda1 lambda2))))
33.0ms
(cos (- lambda1 lambda2))
36.0ms
(sin (- lambda1 lambda2))

simplify4.6s

Counts
52 → 52
Iterations

Useful iterations: 3 (309.0ms)

IterNodesCost
097702
1204687
2458615
3970613
42017613
54604613
done5000613

prune431.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 0.8b

localize54.0ms

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))

rewrite122.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
pow1 add-exp-log add-cube-cbrt *-un-lft-identity add-cbrt-cube add-log-exp
cos-diff associate-*r* associate-*l*
distribute-rgt-in cos-sum associate-+r+ distribute-lft-in flip3-+ associate-*r/ flip-+
+-commutative sub-neg pow-prod-down prod-exp sum-log *-commutative cbrt-unprod unswap-sqr
Counts
4 → 52
Calls
4 calls:
80.0ms
(* (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)))))
20.0ms
(+ (cos phi1) (* (cos phi2) (cos (- lambda1 lambda2))))
20.0ms
(cos (- lambda1 lambda2))

series388.0ms

Counts
4 → 12
Calls
4 calls:
195.0ms
(* (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)))))
148.0ms
(+ (cos phi1) (* (cos phi2) (cos (- lambda1 lambda2))))
20.0ms
(cos (- lambda1 lambda2))

simplify2.8s

Counts
64 → 64
Iterations

Useful iterations: 3 (1.3s)

IterNodesCost
01271191
13231173
210891031
33961997
done5001997

prune527.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.1b

localize80.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (sin lambda1) (sin (- 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 lambda2) (cos lambda1)) (* (sin lambda1) (sin (- lambda2)))))))
0.5b
(+ (cos phi1) (* (cos phi2) (- (* (cos lambda2) (cos lambda1)) (* (sin lambda1) (sin (- lambda2))))))

rewrite117.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt
pow1 add-exp-log add-cube-cbrt *-un-lft-identity add-cbrt-cube
associate-*r* associate-*l* add-log-exp
associate-+r+
distribute-rgt-in distribute-lft-in
sub-neg flip3-+ associate-*r/ pow-prod-down prod-exp *-commutative cbrt-unprod flip-+ unswap-sqr
+-commutative sin-neg sum-log distribute-rgt-neg-out sin-mult
Counts
4 → 64
Calls
4 calls:
33.0ms
(* (sin lambda1) (sin (- lambda2)))
58.0ms
(* (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 lambda2) (cos lambda1)) (* (sin lambda1) (sin (- lambda2)))))))
22.0ms
(+ (cos phi1) (* (cos phi2) (- (* (cos lambda2) (cos lambda1)) (* (sin lambda1) (sin (- lambda2))))))

series641.0ms

Counts
4 → 12
Calls
4 calls:
74.0ms
(* (sin lambda1) (sin (- lambda2)))
203.0ms
(* (cos phi2) (+ (* (sin lambda1) (cos lambda2)) (* (cos lambda1) (sin (- lambda2)))))
33.0ms
(atan2 (* (cos phi2) (+ (* (sin lambda1) (cos lambda2)) (* (cos lambda1) (sin (- lambda2))))) (+ (cos phi1) (* (cos phi2) (- (* (cos lambda2) (cos lambda1)) (* (sin lambda1) (sin (- lambda2)))))))
330.0ms
(+ (cos phi1) (* (cos phi2) (- (* (cos lambda2) (cos lambda1)) (* (sin lambda1) (sin (- lambda2))))))

simplify1.3s

Counts
76 → 76
Iterations

Useful iterations: done (1.3s)

IterNodesCost
01541588
13841556
213361365
done50011322

prune602.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.1b

localize67.0ms

Local error

Found 4 expressions with local error:

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

rewrite201.0ms

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
associate-+l+ exp-sum sum-log rem-exp-log
+-commutative distribute-rgt-in distribute-lft-in flip3-+ rem-log-exp flip-+
Counts
4 → 49
Calls
4 calls:
0.0ms
(atan2 (* (cos phi2) (+ (* (sin lambda1) (cos lambda2)) (* (cos lambda1) (sin (- lambda2))))) (log (exp (+ (* (cos phi2) (+ (* (cos lambda1) (cos lambda2)) (* (sin lambda2) (sin lambda1)))) (cos phi1)))))
81.0ms
(exp (+ (* (cos phi2) (+ (* (cos lambda1) (cos lambda2)) (* (sin lambda2) (sin lambda1)))) (cos phi1)))
45.0ms
(+ (* (cos phi2) (+ (* (cos lambda1) (cos lambda2)) (* (sin lambda2) (sin lambda1)))) (cos phi1))
72.0ms
(log (exp (+ (* (cos phi2) (+ (* (cos lambda1) (cos lambda2)) (* (sin lambda2) (sin lambda1)))) (cos phi1))))

series1.1s

Counts
4 → 12
Calls
4 calls:
42.0ms
(atan2 (* (cos phi2) (+ (* (sin lambda1) (cos lambda2)) (* (cos lambda1) (sin (- lambda2))))) (log (exp (+ (* (cos phi2) (+ (* (cos lambda1) (cos lambda2)) (* (sin lambda2) (sin lambda1)))) (cos phi1)))))
424.0ms
(exp (+ (* (cos phi2) (+ (* (cos lambda1) (cos lambda2)) (* (sin lambda2) (sin lambda1)))) (cos phi1)))
304.0ms
(+ (* (cos phi2) (+ (* (cos lambda1) (cos lambda2)) (* (sin lambda2) (sin lambda1)))) (cos phi1))
296.0ms
(log (exp (+ (* (cos phi2) (+ (* (cos lambda1) (cos lambda2)) (* (sin lambda2) (sin lambda1)))) (cos phi1))))

simplify1.6s

Counts
61 → 61
Iterations

Useful iterations: 3 (566.0ms)

IterNodesCost
01131673
12451603
26441386
325831363
done50021363

prune465.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0.1b

regimes550.0ms

Accuracy

0% (0.2b remaining)

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

bsearch0.0ms

simplify4.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02537
13537
done3537

end0.0ms

sample11.1s

Algorithm
intervals
Results
7.3s3545×body1280valid
2.3s2386×body640valid
607.0ms1003×body320valid
241.0ms362×body160valid
108.0ms704×body80valid