Details

Time bar (total: 26.9s)

sample144.0ms

Algorithm
intervals
Results
36.0ms244×body80valid
30.0ms44×body640valid
21.0ms23×body1280valid
13.0ms28×body320valid
3.0ms11×body160valid

simplify4.7s

Counts
1 → 1
Iterations

Useful iterations: 1 (4.0ms)

IterNodesCost
01732
13416
27616
325716
482616
5235516
done500016

prune20.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 4.1b

localize16.0ms

Local error

Found 4 expressions with local error:

0.0b
(hypot (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (- phi1 phi2))
0.1b
(* (hypot (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (- phi1 phi2)) R)
0.1b
(* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0)))
4.6b
(cos (/ (+ phi1 phi2) 2.0))

rewrite59.0ms

Algorithm
rewrite-expression-head
Rules
14×add-sqr-sqrt
10×*-un-lft-identity
pow1 add-exp-log add-cube-cbrt associate-*l* add-cbrt-cube
associate-*r*
expm1-log1p-u log1p-expm1-u add-log-exp
pow-prod-down associate-*l/ prod-exp *-commutative cbrt-unprod unswap-sqr
hypot-udef flip3-- flip-- distribute-lft-out-- difference-of-squares
Counts
4 → 63
Calls
4 calls:
0.0ms
(hypot (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (- phi1 phi2))
7.0ms
(* (hypot (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (- phi1 phi2)) R)
38.0ms
(* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0)))
11.0ms
(cos (/ (+ phi1 phi2) 2.0))

series1.6s

Counts
4 → 12
Calls
4 calls:
631.0ms
(hypot (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (- phi1 phi2))
762.0ms
(* (hypot (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (- phi1 phi2)) R)
130.0ms
(* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0)))
46.0ms
(cos (/ (+ phi1 phi2) 2.0))

simplify2.5s

Counts
75 → 75
Iterations

Useful iterations: done (2.5s)

IterNodesCost
01391279
13271271
29601077
331941060
done50001059

prune350.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 3.9b

localize33.0ms

Local error

Found 4 expressions with local error:

0.0b
(hypot (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (- phi1 phi2))
0.1b
(* R (hypot (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (- phi1 phi2)))
0.1b
(* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0)))
4.6b
(cos (/ (+ phi1 phi2) 2.0))

rewrite79.0ms

Algorithm
rewrite-expression-head
Rules
14×add-sqr-sqrt
10×*-un-lft-identity
pow1 add-exp-log add-cube-cbrt associate-*l* add-cbrt-cube
associate-*r*
expm1-log1p-u log1p-expm1-u add-log-exp
pow-prod-down associate-*l/ prod-exp *-commutative cbrt-unprod unswap-sqr
hypot-udef flip3-- flip-- distribute-lft-out-- difference-of-squares
Counts
4 → 63
Calls
4 calls:
1.0ms
(hypot (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (- phi1 phi2))
20.0ms
(* R (hypot (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (- phi1 phi2)))
34.0ms
(* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0)))
21.0ms
(cos (/ (+ phi1 phi2) 2.0))

series1.6s

Counts
4 → 12
Calls
4 calls:
541.0ms
(hypot (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (- phi1 phi2))
918.0ms
(* R (hypot (* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0))) (- phi1 phi2)))
128.0ms
(* (- lambda1 lambda2) (cos (/ (+ phi1 phi2) 2.0)))
32.0ms
(cos (/ (+ phi1 phi2) 2.0))

simplify2.4s

Counts
75 → 75
Iterations

Useful iterations: done (2.4s)

IterNodesCost
01381279
13261271
29141077
330891060
done50001059

prune427.0ms

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 3.9b

localize25.0ms

Local error

Found 4 expressions with local error:

0.1b
(exp (cos (/ (+ phi1 phi2) 2.0)))
0.1b
(* (- lambda1 lambda2) (log (exp (cos (/ (+ phi1 phi2) 2.0)))))
0.5b
(log (exp (cos (/ (+ phi1 phi2) 2.0))))
4.6b
(cos (/ (+ phi1 phi2) 2.0))

rewrite93.0ms

Algorithm
rewrite-expression-head
Rules
16×add-sqr-sqrt
14×*-un-lft-identity
12×add-cube-cbrt
log-prod exp-prod
pow1 log-pow
associate-*r*
add-exp-log add-cbrt-cube
associate-*l* add-log-exp
expm1-log1p-u log1p-expm1-u
distribute-rgt-in distribute-lft-in
associate-*l/
flip3-- rem-log-exp pow-prod-down prod-exp *-commutative flip-- cbrt-unprod rem-exp-log distribute-lft-out-- difference-of-squares unswap-sqr
Counts
4 → 73
Calls
4 calls:
12.0ms
(exp (cos (/ (+ phi1 phi2) 2.0)))
46.0ms
(* (- lambda1 lambda2) (log (exp (cos (/ (+ phi1 phi2) 2.0)))))
22.0ms
(log (exp (cos (/ (+ phi1 phi2) 2.0))))
11.0ms
(cos (/ (+ phi1 phi2) 2.0))

series294.0ms

Counts
4 → 12
Calls
4 calls:
61.0ms
(exp (cos (/ (+ phi1 phi2) 2.0)))
150.0ms
(* (- lambda1 lambda2) (log (exp (cos (/ (+ phi1 phi2) 2.0)))))
52.0ms
(log (exp (cos (/ (+ phi1 phi2) 2.0))))
31.0ms
(cos (/ (+ phi1 phi2) 2.0))

simplify1.9s

Counts
85 → 85
Iterations

Useful iterations: done (1.9s)

IterNodesCost
01201104
1221993
2581873
31674868
done5000865

prune543.0ms

Pruning

16 alts after pruning (14 fresh and 2 done)

Merged error: 3.9b

localize50.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (- lambda1 lambda2) (log (pow E (cos (/ (+ phi1 phi2) 2.0)))))
0.2b
(pow E (cos (/ (+ phi1 phi2) 2.0)))
0.5b
(log (pow E (cos (/ (+ phi1 phi2) 2.0))))
4.6b
(cos (/ (+ phi1 phi2) 2.0))

rewrite151.0ms

Algorithm
rewrite-expression-head
Rules
21×log-prod
18×add-sqr-sqrt
16×*-un-lft-identity
14×add-cube-cbrt
12×unpow-prod-down
add-exp-log
pow1 distribute-rgt-in distribute-lft-in
add-cbrt-cube
associate-*l*
expm1-log1p-u rem-log-exp associate-*r* pow-exp log1p-expm1-u add-log-exp sqr-pow
pow-unpow
pow-to-exp e-exp-1 associate-*l/ log-pow
flip3-- pow-pow pow-prod-down prod-exp *-commutative flip-- cbrt-unprod distribute-lft-out-- difference-of-squares unswap-sqr
Counts
4 → 89
Calls
4 calls:
73.0ms
(* (- lambda1 lambda2) (log (pow E (cos (/ (+ phi1 phi2) 2.0)))))
23.0ms
(pow E (cos (/ (+ phi1 phi2) 2.0)))
37.0ms
(log (pow E (cos (/ (+ phi1 phi2) 2.0))))
15.0ms
(cos (/ (+ phi1 phi2) 2.0))

series448.0ms

Counts
4 → 12
Calls
4 calls:
197.0ms
(* (- lambda1 lambda2) (log (pow E (cos (/ (+ phi1 phi2) 2.0)))))
103.0ms
(pow E (cos (/ (+ phi1 phi2) 2.0)))
110.0ms
(log (pow E (cos (/ (+ phi1 phi2) 2.0))))
38.0ms
(cos (/ (+ phi1 phi2) 2.0))

simplify2.7s

Counts
101 → 101
Iterations

Useful iterations: done (2.7s)

IterNodesCost
01431538
12761303
27851167
325271147
done50001132

prune447.0ms

Pruning

16 alts after pruning (13 fresh and 3 done)

Merged error: 3.9b

regimes749.0ms

Accuracy

0% (0.2b remaining)

Error of 3.8b against oracle of 3.6b and baseline of 3.8b

bsearch0.0ms

simplify4.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01416
11716
done1716

end0.0ms

sample5.5s

Algorithm
intervals
Results
2.3s8470×body80valid
998.0ms1295×body640valid
774.0ms776×body1280valid
408.0ms693×body320valid
89.0ms336×body160valid