Details

Time bar (total: 24.5s)

sample177.0ms

Algorithm
intervals
Results
70.0ms259×body80valid
31.0ms39×body640valid
30.0ms25×body1280valid
9.0ms17×body320valid
4.0msbody160valid

simplify2.8s

Counts
1 → 1
Iterations
IterNodes
done5000
51878
4761
3231
272
134
017

prune10.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 3.8b

localize54.0ms

Local error

Found 4 expressions with local error:

0.0b
(hypot (* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2))) (- phi1 phi2))
0.1b
(* (hypot (* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2))) (- phi1 phi2)) R)
0.2b
(* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2)))
3.3b
(cos (/ (+ phi2 phi1) 2))

rewrite66.0ms

Algorithm
rewrite-expression-head
Rules
14×add-sqr-sqrt
10×*-un-lft-identity
pow1 add-cbrt-cube associate-*l* add-exp-log add-cube-cbrt
associate-*r*
expm1-log1p-u insert-posit16 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 → 67
Calls
4 calls:
0.0ms
(hypot (* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2))) (- phi1 phi2))
7.0ms
(* (hypot (* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2))) (- phi1 phi2)) R)
37.0ms
(* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2)))
20.0ms
(cos (/ (+ phi2 phi1) 2))

series1.2s

Counts
4 → 12
Calls
4 calls:
486.0ms
(hypot (* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2))) (- phi1 phi2))
588.0ms
(* (hypot (* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2))) (- phi1 phi2)) R)
109.0ms
(* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2)))
40.0ms
(cos (/ (+ phi2 phi1) 2))

simplify2.4s

Counts
79 → 79
Iterations
IterNodes
done5000
34185
21076
1360
0144

prune689.0ms

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 3.7b

localize35.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (sqrt (hypot (* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2))) (- phi1 phi2))) R)
0.4b
(* (sqrt (hypot (* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2))) (- phi1 phi2))) (* (sqrt (hypot (* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2))) (- phi1 phi2))) R))
3.3b
(cos (/ (+ phi2 phi1) 2))
3.3b
(cos (/ (+ phi2 phi1) 2))

rewrite91.0ms

Algorithm
rewrite-expression-head
Rules
13×add-sqr-sqrt
12×associate-*l*
11×pow1 add-cbrt-cube add-exp-log
*-un-lft-identity add-cube-cbrt
sqrt-prod
expm1-log1p-u associate-*r* pow-prod-down prod-exp cbrt-unprod insert-posit16 log1p-expm1-u add-log-exp
*-commutative unswap-sqr
Counts
4 → 69
Calls
4 calls:
20.0ms
(* (sqrt (hypot (* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2))) (- phi1 phi2))) R)
47.0ms
(* (sqrt (hypot (* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2))) (- phi1 phi2))) (* (sqrt (hypot (* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2))) (- phi1 phi2))) R))
10.0ms
(cos (/ (+ phi2 phi1) 2))
11.0ms
(cos (/ (+ phi2 phi1) 2))

series1.6s

Counts
4 → 12
Calls
4 calls:
904.0ms
(* (sqrt (hypot (* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2))) (- phi1 phi2))) R)
649.0ms
(* (sqrt (hypot (* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2))) (- phi1 phi2))) (* (sqrt (hypot (* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2))) (- phi1 phi2))) R))
23.0ms
(cos (/ (+ phi2 phi1) 2))
33.0ms
(cos (/ (+ phi2 phi1) 2))

simplify1.3s

Counts
81 → 81
Iterations
IterNodes
done5002
21160
1334
0127

prune774.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 3.7b

localize69.0ms

Local error

Found 4 expressions with local error:

0.4b
(* (sqrt (hypot (* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2))) (- phi1 phi2))) (* (sqrt (hypot (* (- lambda1 lambda2) (log1p (expm1 (cos (/ (+ phi2 phi1) 2))))) (- phi1 phi2))) R))
0.4b
(expm1 (cos (/ (+ phi2 phi1) 2)))
3.3b
(cos (/ (+ phi2 phi1) 2))
3.3b
(cos (/ (+ phi2 phi1) 2))

rewrite75.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-cbrt-cube add-exp-log
add-sqr-sqrt *-un-lft-identity associate-*l* add-cube-cbrt
log1p-expm1-u
expm1-log1p-u insert-posit16 add-log-exp
pow-prod-down prod-exp sqrt-prod cbrt-unprod
expm1-log1p associate-*r* *-commutative expm1-udef
Counts
4 → 56
Calls
4 calls:
51.0ms
(* (sqrt (hypot (* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2))) (- phi1 phi2))) (* (sqrt (hypot (* (- lambda1 lambda2) (log1p (expm1 (cos (/ (+ phi2 phi1) 2))))) (- phi1 phi2))) R))
0.0ms
(expm1 (cos (/ (+ phi2 phi1) 2)))
10.0ms
(cos (/ (+ phi2 phi1) 2))
11.0ms
(cos (/ (+ phi2 phi1) 2))

series1.4s

Counts
4 → 12
Calls
4 calls:
1.3s
(* (sqrt (hypot (* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2))) (- phi1 phi2))) (* (sqrt (hypot (* (- lambda1 lambda2) (log1p (expm1 (cos (/ (+ phi2 phi1) 2))))) (- phi1 phi2))) R))
77.0ms
(expm1 (cos (/ (+ phi2 phi1) 2)))
25.0ms
(cos (/ (+ phi2 phi1) 2))
39.0ms
(cos (/ (+ phi2 phi1) 2))

simplify1.9s

Counts
68 → 68
Iterations
IterNodes
done5001
33103
2881
1303
0122

prune621.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 3.7b

localize73.0ms

Local error

Found 4 expressions with local error:

0.4b
(expm1 (cos (/ (+ phi2 phi1) 2)))
0.4b
(log1p (cos (/ (+ phi2 phi1) 2)))
3.3b
(cos (/ (+ phi2 phi1) 2))
3.3b
(cos (/ (+ phi2 phi1) 2))

rewrite23.0ms

Algorithm
rewrite-expression-head
Rules
expm1-log1p-u log1p-expm1-u
add-sqr-sqrt pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt insert-posit16 add-log-exp
log1p-udef expm1-log1p log1p-expm1 expm1-udef
Counts
4 → 44
Calls
4 calls:
0.0ms
(expm1 (cos (/ (+ phi2 phi1) 2)))
0.0ms
(log1p (cos (/ (+ phi2 phi1) 2)))
11.0ms
(cos (/ (+ phi2 phi1) 2))
11.0ms
(cos (/ (+ phi2 phi1) 2))

series193.0ms

Counts
4 → 12
Calls
4 calls:
72.0ms
(expm1 (cos (/ (+ phi2 phi1) 2)))
59.0ms
(log1p (cos (/ (+ phi2 phi1) 2)))
38.0ms
(cos (/ (+ phi2 phi1) 2))
23.0ms
(cos (/ (+ phi2 phi1) 2))

simplify2.0s

Counts
56 → 56
Iterations
IterNodes
done5000
41577
3558
2252
1135
068

prune530.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 3.6b

regimes995.0ms

Accuracy

0% (0.2b remaining)

Error of 3.9b against oracle of 3.7b and baseline of 3.9b

bsearch0.0ms

simplify3.0ms

Iterations
IterNodes
done17
117
014

end0.0ms

sample5.4s

Algorithm
intervals
Results
1.5s1299×body640valid
1.5s8247×body80valid
1.3s841×body1280valid
466.0ms735×body320valid
108.0ms374×body160valid