Details

Time bar (total: 16.1s)

sample75.0ms

Algorithm
intervals
Results
31.0ms107×body1280valid
15.0ms93×body640valid
6.0ms374×pre80true
4.0ms36×body320valid
3.0ms125×body80valid
1.0ms13×body160valid

simplify8.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
044
164
274
done74

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 58.8b

localize7.0ms

Local error

Found 1 expressions with local error:

4.9b
(- (exp x) 1.0)

rewrite22.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity add-log-exp
pow1 add-exp-log add-cube-cbrt sub-neg flip3-- diff-log add-cbrt-cube flip-- distribute-lft-out-- difference-of-squares
Counts
1 → 14
Calls
1 calls:
22.0ms
(- (exp x) 1.0)

series38.0ms

Counts
1 → 3
Calls
1 calls:
38.0ms
(- (exp x) 1.0)

simplify2.3s

Counts
17 → 17
Iterations

Useful iterations: 3 (160.0ms)

IterNodesCost
039132
183127
2224119
3690117
42920117
done5000117

prune67.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (* (pow x 2) (+ 1/2 (* x 1/6))) x)
0.0b
(* (pow x 2) (+ 1/2 (* x 1/6)))
0.4b
(* x 1/6)

rewrite94.0ms

Algorithm
rewrite-expression-head
Rules
16×add-sqr-sqrt
11×associate-*l*
10×add-exp-log
add-cube-cbrt *-un-lft-identity
add-cbrt-cube
associate-*r*
pow1 add-log-exp unswap-sqr
unpow-prod-down prod-exp
distribute-rgt-in associate-+l+ distribute-lft-in flip3-+ associate-*r/ *-commutative cbrt-unprod flip-+ unpow2 sqr-pow
+-commutative pow-to-exp pow-prod-down pow-exp sum-log
Counts
3 → 62
Calls
3 calls:
31.0ms
(+ (* (pow x 2) (+ 1/2 (* x 1/6))) x)
45.0ms
(* (pow x 2) (+ 1/2 (* x 1/6)))
13.0ms
(* x 1/6)

series193.0ms

Counts
3 → 9
Calls
3 calls:
36.0ms
(+ (* (pow x 2) (+ 1/2 (* x 1/6))) x)
130.0ms
(* (pow x 2) (+ 1/2 (* x 1/6)))
27.0ms
(* x 1/6)

simplify1.5s

Counts
71 → 71
Iterations

Useful iterations: 2 (449.0ms)

IterNodesCost
0113816
1334751
21762674
done5000674

prune185.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize19.0ms

Local error

Found 4 expressions with local error:

0.4b
(* x 1/6)
0.4b
(* x 1/6)
0.4b
(* x 1/6)
28.1b
(/ (- (* (pow x 4) (* (+ 1/2 (* x 1/6)) (+ 1/2 (* x 1/6)))) (* x x)) (- (* (pow x 2) (+ 1/2 (* x 1/6))) x))

rewrite209.0ms

Algorithm
rewrite-expression-head
Rules
24×add-sqr-sqrt
18×add-cube-cbrt *-un-lft-identity
12×add-exp-log add-cbrt-cube
10×pow1
times-frac associate-*r* associate-*l*
add-log-exp
pow-prod-down prod-exp associate-/r* *-commutative cbrt-unprod associate-/l* unswap-sqr
flip3-- associate-/r/ flip-- associate-/l/
cbrt-undiv frac-2neg div-sub div-exp clear-num div-inv
Counts
4 → 86
Calls
4 calls:
15.0ms
(* x 1/6)
15.0ms
(* x 1/6)
11.0ms
(* x 1/6)
161.0ms
(/ (- (* (pow x 4) (* (+ 1/2 (* x 1/6)) (+ 1/2 (* x 1/6)))) (* x x)) (- (* (pow x 2) (+ 1/2 (* x 1/6))) x))

series183.0ms

Counts
4 → 12
Calls
4 calls:
18.0ms
(* x 1/6)
21.0ms
(* x 1/6)
19.0ms
(* x 1/6)
125.0ms
(/ (- (* (pow x 4) (* (+ 1/2 (* x 1/6)) (+ 1/2 (* x 1/6)))) (* x x)) (- (* (pow x 2) (+ 1/2 (* x 1/6))) x))

simplify1.9s

Counts
98 → 98
Iterations

Useful iterations: done (1.9s)

IterNodesCost
01121887
13211847
218091689
done50011643

prune414.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize62.0ms

Local error

Found 4 expressions with local error:

14.5b
(* (* (cbrt (- (* (pow x 4) (* (+ 1/2 (* x 1/6)) (+ 1/2 (* x 1/6)))) (* x x))) (cbrt (- (* (pow x 4) (* (+ 1/2 (* x 1/6)) (+ 1/2 (* x 1/6)))) (* x x)))) (/ (cbrt (- (* (pow x 4) (* (+ 1/2 (* x 1/6)) (+ 1/2 (* x 1/6)))) (* x x))) (- (* (pow x 2) (+ 1/2 (* x 1/6))) x)))
29.0b
(cbrt (- (* (pow x 4) (* (+ 1/2 (* x 1/6)) (+ 1/2 (* x 1/6)))) (* x x)))
29.0b
(cbrt (- (* (pow x 4) (* (+ 1/2 (* x 1/6)) (+ 1/2 (* x 1/6)))) (* x x)))
29.0b
(cbrt (- (* (pow x 4) (* (+ 1/2 (* x 1/6)) (+ 1/2 (* x 1/6)))) (* x x)))

rewrite1.3s

Algorithm
rewrite-expression-head
Rules
30×cbrt-div
25×add-sqr-sqrt
24×associate-*r*
20×add-cube-cbrt *-un-lft-identity times-frac
19×cbrt-prod
16×add-exp-log frac-times flip3-- flip--
12×associate-*l/
10×add-cbrt-cube
pow1
prod-exp cbrt-unprod
associate-*r/
add-log-exp
pow1/3 pow-prod-down unswap-sqr
cbrt-undiv div-exp associate-/r/
associate-*l* *-commutative div-inv
Counts
4 → 102
Calls
4 calls:
1.0s
(* (* (cbrt (- (* (pow x 4) (* (+ 1/2 (* x 1/6)) (+ 1/2 (* x 1/6)))) (* x x))) (cbrt (- (* (pow x 4) (* (+ 1/2 (* x 1/6)) (+ 1/2 (* x 1/6)))) (* x x)))) (/ (cbrt (- (* (pow x 4) (* (+ 1/2 (* x 1/6)) (+ 1/2 (* x 1/6)))) (* x x))) (- (* (pow x 2) (+ 1/2 (* x 1/6))) x)))
79.0ms
(cbrt (- (* (pow x 4) (* (+ 1/2 (* x 1/6)) (+ 1/2 (* x 1/6)))) (* x x)))
85.0ms
(cbrt (- (* (pow x 4) (* (+ 1/2 (* x 1/6)) (+ 1/2 (* x 1/6)))) (* x x)))
62.0ms
(cbrt (- (* (pow x 4) (* (+ 1/2 (* x 1/6)) (+ 1/2 (* x 1/6)))) (* x x)))

series531.0ms

Counts
4 → 12
Calls
4 calls:
109.0ms
(* (* (cbrt (- (* (pow x 4) (* (+ 1/2 (* x 1/6)) (+ 1/2 (* x 1/6)))) (* x x))) (cbrt (- (* (pow x 4) (* (+ 1/2 (* x 1/6)) (+ 1/2 (* x 1/6)))) (* x x)))) (/ (cbrt (- (* (pow x 4) (* (+ 1/2 (* x 1/6)) (+ 1/2 (* x 1/6)))) (* x x))) (- (* (pow x 2) (+ 1/2 (* x 1/6))) x)))
143.0ms
(cbrt (- (* (pow x 4) (* (+ 1/2 (* x 1/6)) (+ 1/2 (* x 1/6)))) (* x x)))
136.0ms
(cbrt (- (* (pow x 4) (* (+ 1/2 (* x 1/6)) (+ 1/2 (* x 1/6)))) (* x x)))
143.0ms
(cbrt (- (* (pow x 4) (* (+ 1/2 (* x 1/6)) (+ 1/2 (* x 1/6)))) (* x x)))

simplify3.5s

Counts
114 → 114
Iterations

Useful iterations: done (3.5s)

IterNodesCost
02127978
16297747
241106546
done50025729

prune698.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.0b

regimes47.0ms

Accuracy

0% (0.3b remaining)

Error of 0.4b against oracle of 0.1b and baseline of 0.4b

bsearch0.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0911
11311
done1311

end0.0ms

sample2.6s

Algorithm
intervals
Results
1.4s3385×body1280valid
438.0ms2545×body640valid
235.0ms11936×pre80true
120.0ms1235×body320valid
95.0ms4096×body80valid
41.0ms675×body160valid