Details

Time bar (total: 20.5s)

sample97.0ms

Algorithm
intervals
Results
28.0ms299×body80valid
24.0ms25×body1280valid
13.0ms33×body640valid
6.0ms17×body320valid
2.0msbody160valid

simplify1.5s

Counts
1 → 1
Iterations
IterNodes
done5001
41037
3259
276
134
017

prune21.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 1.6b

localize24.0ms

Local error

Found 4 expressions with local error:

0.0b
(hypot (* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2.0))) (- phi1 phi2))
0.1b
(* (hypot (* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2.0))) (- phi1 phi2)) R)
0.1b
(* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2.0)))
2.8b
(cos (/ (+ phi2 phi1) 2.0))

rewrite64.0ms

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 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 (/ (+ phi2 phi1) 2.0))) (- phi1 phi2))
10.0ms
(* (hypot (* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2.0))) (- phi1 phi2)) R)
36.0ms
(* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2.0)))
16.0ms
(cos (/ (+ phi2 phi1) 2.0))

series1.6s

Counts
4 → 12
Calls
4 calls:
633.0ms
(hypot (* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2.0))) (- phi1 phi2))
742.0ms
(* (hypot (* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2.0))) (- phi1 phi2)) R)
139.0ms
(* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2.0)))
41.0ms
(cos (/ (+ phi2 phi1) 2.0))

simplify1.2s

Counts
75 → 75
Iterations
IterNodes
done5001
21577
1359
0142

prune738.0ms

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 1.5b

localize57.0ms

Local error

Found 4 expressions with local error:

0.4b
(cbrt (cos (/ (+ phi2 phi1) 2.0)))
2.8b
(cos (/ (+ phi2 phi1) 2.0))
2.8b
(cos (/ (+ phi2 phi1) 2.0))
2.8b
(cos (/ (+ phi2 phi1) 2.0))

rewrite43.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
expm1-log1p-u pow1 add-cbrt-cube add-exp-log log1p-expm1-u add-log-exp
cbrt-prod
pow1/3
Counts
4 → 40
Calls
4 calls:
1.0ms
(cbrt (cos (/ (+ phi2 phi1) 2.0)))
9.0ms
(cos (/ (+ phi2 phi1) 2.0))
15.0ms
(cos (/ (+ phi2 phi1) 2.0))
17.0ms
(cos (/ (+ phi2 phi1) 2.0))

series282.0ms

Counts
4 → 12
Calls
4 calls:
143.0ms
(cbrt (cos (/ (+ phi2 phi1) 2.0)))
49.0ms
(cos (/ (+ phi2 phi1) 2.0))
51.0ms
(cos (/ (+ phi2 phi1) 2.0))
39.0ms
(cos (/ (+ phi2 phi1) 2.0))

simplify1.8s

Counts
52 → 52
Iterations
IterNodes
done5001
42222
3577
2189
189
048

prune635.0ms

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 1.5b

localize121.0ms

Local error

Found 4 expressions with local error:

2.8b
(cos (/ (+ phi2 phi1) 2.0))
2.8b
(cos (/ (+ phi2 phi1) 2.0))
2.8b
(cos (/ (+ phi2 phi1) 2.0))
2.8b
(cos (/ (+ phi2 phi1) 2.0))

rewrite42.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt expm1-log1p-u pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt log1p-expm1-u add-log-exp
Counts
4 → 36
Calls
4 calls:
15.0ms
(cos (/ (+ phi2 phi1) 2.0))
8.0ms
(cos (/ (+ phi2 phi1) 2.0))
8.0ms
(cos (/ (+ phi2 phi1) 2.0))
9.0ms
(cos (/ (+ phi2 phi1) 2.0))

series160.0ms

Counts
4 → 12
Calls
4 calls:
47.0ms
(cos (/ (+ phi2 phi1) 2.0))
37.0ms
(cos (/ (+ phi2 phi1) 2.0))
38.0ms
(cos (/ (+ phi2 phi1) 2.0))
38.0ms
(cos (/ (+ phi2 phi1) 2.0))

simplify1.5s

Counts
48 → 48
Iterations
IterNodes
done5000
41464
3378
2122
154
029

prune666.0ms

Pruning

12 alts after pruning (10 fresh and 2 done)

Merged error: 1.5b

localize81.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (sqrt (hypot (* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2.0))) (- phi1 phi2))) R)
0.3b
(* (sqrt (hypot (* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2.0))) (- phi1 phi2))) (* (sqrt (hypot (* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2.0))) (- phi1 phi2))) R))
2.8b
(cos (/ (+ phi2 phi1) 2.0))
2.8b
(cos (/ (+ phi2 phi1) 2.0))

rewrite45.0ms

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 log1p-expm1-u add-log-exp
*-commutative unswap-sqr
Counts
4 → 65
Calls
4 calls:
8.0ms
(* (sqrt (hypot (* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2.0))) (- phi1 phi2))) R)
19.0ms
(* (sqrt (hypot (* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2.0))) (- phi1 phi2))) (* (sqrt (hypot (* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2.0))) (- phi1 phi2))) R))
8.0ms
(cos (/ (+ phi2 phi1) 2.0))
9.0ms
(cos (/ (+ phi2 phi1) 2.0))

series1.8s

Counts
4 → 12
Calls
4 calls:
1.0s
(* (sqrt (hypot (* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2.0))) (- phi1 phi2))) R)
732.0ms
(* (sqrt (hypot (* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2.0))) (- phi1 phi2))) (* (sqrt (hypot (* (- lambda1 lambda2) (cos (/ (+ phi2 phi1) 2.0))) (- phi1 phi2))) R))
30.0ms
(cos (/ (+ phi2 phi1) 2.0))
32.0ms
(cos (/ (+ phi2 phi1) 2.0))

simplify1.2s

Counts
77 → 77
Iterations
IterNodes
done5000
21563
1333
0127

prune610.0ms

Pruning

13 alts after pruning (11 fresh and 2 done)

Merged error: 1.5b

regimes1.1s

Accuracy

0% (0.1b remaining)

Error of 3.7b against oracle of 3.6b and baseline of 3.7b

bsearch0.0ms

simplify4.0ms

Iterations
IterNodes
done17
117
014

end0.0ms

sample5.1s

Algorithm
intervals
Results
1.6s8464×body80valid
1.3s1272×body640valid
1.2s751×body1280valid
398.0ms762×body320valid
89.0ms350×body160valid