Details

Time bar (total: 37.4s)

sample93.0ms

Algorithm
intervals
Results
37.0ms78×body1280valid
14.0ms46×body640valid
12.0ms187×body80valid
12.0ms24×body320valid
2.0ms16×body160valid

simplify6.1s

Counts
1 → 1
Iterations
IterNodes
86498
71279
6374
5133
454
327
217
112
06

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 28.2b

localize11.0ms

Local error

Found 2 expressions with local error:

0.0b
(exp (* a x))
4.3b
(- (exp (* a x)) 1)

rewrite23.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt add-log-exp
*-un-lft-identity
pow1 add-cbrt-cube add-exp-log add-cube-cbrt insert-posit16 difference-of-squares
exp-prod sub-neg flip3-- exp-to-pow diff-log difference-of-sqr-1 flip-- distribute-lft-out-- rem-exp-log
Counts
2 → 28
Calls
2 calls:
8.0ms
(exp (* a x))
14.0ms
(- (exp (* a x)) 1)

series54.0ms

Counts
2 → 6
Calls
2 calls:
14.0ms
(exp (* a x))
39.0ms
(- (exp (* a x)) 1)

simplify1.7s

Counts
34 → 34
Iterations
IterNodes
43072
3882
2295
1115
056

prune345.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.1b

localize25.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* a x) (* (* a x) 1/2))
0.2b
(* (* a x) (* a x))
5.0b
(+ (* (* a x) (* (* a x) 1/2)) (* a x))
13.6b
(+ (+ (* (* a x) (* (* a x) 1/2)) (* a x)) (* (* (* (* a x) (* a x)) (* a x)) 1/6))

rewrite566.0ms

Algorithm
rewrite-expression-head
Rules
64×pow1
37×add-cbrt-cube add-exp-log
32×pow-prod-down
23×prod-exp cbrt-unprod
11×add-log-exp
add-sqr-sqrt sum-log *-un-lft-identity pow-sqr pow-prod-up add-cube-cbrt insert-posit16
+-commutative flip3-+ pow-plus associate-*r* associate-*l* *-commutative flip-+
pow2 associate-+l+ swap-sqr
Counts
4 → 90
Calls
4 calls:
90.0ms
(* (* a x) (* (* a x) 1/2))
24.0ms
(* (* a x) (* a x))
61.0ms
(+ (* (* a x) (* (* a x) 1/2)) (* a x))
389.0ms
(+ (+ (* (* a x) (* (* a x) 1/2)) (* a x)) (* (* (* (* a x) (* a x)) (* a x)) 1/6))

series355.0ms

Counts
4 → 12
Calls
4 calls:
51.0ms
(* (* a x) (* (* a x) 1/2))
46.0ms
(* (* a x) (* a x))
100.0ms
(+ (* (* a x) (* (* a x) 1/2)) (* a x))
157.0ms
(+ (+ (* (* a x) (* (* a x) 1/2)) (* a x)) (* (* (* (* a x) (* a x)) (* a x)) 1/6))

simplify8.5s

Counts
102 → 102
Iterations
IterNodes
312932
21526
1366
0125

prune984.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 0.1b

localize64.0ms

Local error

Found 4 expressions with local error:

13.6b
(+ (* (* (cbrt (+ (* (* a x) (* (* a x) 1/2)) (* a x))) (cbrt (+ (* (* a x) (* (* a x) 1/2)) (* a x)))) (cbrt (+ (* (* a x) (* (* a x) 1/2)) (* a x)))) (* (* (* (* a x) (* a x)) (* a x)) 1/6))
21.2b
(cbrt (+ (* (* a x) (* (* a x) 1/2)) (* a x)))
21.2b
(cbrt (+ (* (* a x) (* (* a x) 1/2)) (* a x)))
21.2b
(cbrt (+ (* (* a x) (* (* a x) 1/2)) (* a x)))

rewrite1.0s

Algorithm
rewrite-expression-head
Rules
cbrt-prod
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
cbrt-div add-log-exp
pow1 flip3-+ add-cbrt-cube add-exp-log flip-+ insert-posit16
pow1/3
+-commutative sum-log
Counts
4 → 54
Calls
4 calls:
878.0ms
(+ (* (* (cbrt (+ (* (* a x) (* (* a x) 1/2)) (* a x))) (cbrt (+ (* (* a x) (* (* a x) 1/2)) (* a x)))) (cbrt (+ (* (* a x) (* (* a x) 1/2)) (* a x)))) (* (* (* (* a x) (* a x)) (* a x)) 1/6))
51.0ms
(cbrt (+ (* (* a x) (* (* a x) 1/2)) (* a x)))
50.0ms
(cbrt (+ (* (* a x) (* (* a x) 1/2)) (* a x)))
62.0ms
(cbrt (+ (* (* a x) (* (* a x) 1/2)) (* a x)))

series1.0s

Counts
4 → 12
Calls
4 calls:
144.0ms
(+ (* (* (cbrt (+ (* (* a x) (* (* a x) 1/2)) (* a x))) (cbrt (+ (* (* a x) (* (* a x) 1/2)) (* a x)))) (cbrt (+ (* (* a x) (* (* a x) 1/2)) (* a x)))) (* (* (* (* a x) (* a x)) (* a x)) 1/6))
299.0ms
(cbrt (+ (* (* a x) (* (* a x) 1/2)) (* a x)))
286.0ms
(cbrt (+ (* (* a x) (* (* a x) 1/2)) (* a x)))
294.0ms
(cbrt (+ (* (* a x) (* (* a x) 1/2)) (* a x)))

simplify6.8s

Counts
66 → 66
Iterations
IterNodes
310068
21307
1355
0126

prune739.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 0.1b

localize63.0ms

Local error

Found 4 expressions with local error:

21.2b
(cbrt (+ (* (* a x) (* (* a x) 1/2)) (* a x)))
21.2b
(cbrt (+ (* (* a x) (* (* a x) 1/2)) (* a x)))
21.2b
(cbrt (+ (* (* a x) (* (* a x) 1/2)) (* a x)))
21.2b
(cbrt (* (* (cbrt (+ (* (* a x) (* (* a x) 1/2)) (* a x))) (cbrt (+ (* (* a x) (* (* a x) 1/2)) (* a x)))) (cbrt (+ (* (* a x) (* (* a x) 1/2)) (* a x)))))

rewrite678.0ms

Algorithm
rewrite-expression-head
Rules
86×cbrt-div
30×flip3-+ flip-+
28×frac-times
14×associate-*l/
10×cbrt-prod
associate-*r/
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
pow1 add-cbrt-cube pow1/3 add-exp-log insert-posit16 add-log-exp
pow3 rem-cbrt-cube
Counts
4 → 79
Calls
4 calls:
52.0ms
(cbrt (+ (* (* a x) (* (* a x) 1/2)) (* a x)))
51.0ms
(cbrt (+ (* (* a x) (* (* a x) 1/2)) (* a x)))
41.0ms
(cbrt (+ (* (* a x) (* (* a x) 1/2)) (* a x)))
529.0ms
(cbrt (* (* (cbrt (+ (* (* a x) (* (* a x) 1/2)) (* a x))) (cbrt (+ (* (* a x) (* (* a x) 1/2)) (* a x)))) (cbrt (+ (* (* a x) (* (* a x) 1/2)) (* a x)))))

series1.2s

Counts
4 → 12
Calls
4 calls:
366.0ms
(cbrt (+ (* (* a x) (* (* a x) 1/2)) (* a x)))
283.0ms
(cbrt (+ (* (* a x) (* (* a x) 1/2)) (* a x)))
292.0ms
(cbrt (+ (* (* a x) (* (* a x) 1/2)) (* a x)))
264.0ms
(cbrt (* (* (cbrt (+ (* (* a x) (* (* a x) 1/2)) (* a x))) (cbrt (+ (* (* a x) (* (* a x) 1/2)) (* a x)))) (cbrt (+ (* (* a x) (* (* a x) 1/2)) (* a x)))))

simplify2.1s

Counts
91 → 91
Iterations
IterNodes
34178
2919
1370
0189

prune1.6s

Pruning

9 alts after pruning (6 fresh and 3 done)

Merged error: 0.1b

regimes588.0ms

Accuracy

98.7% (0.3b remaining)

Error of 0.3b against oracle of 0.1b and baseline of 21.3b

bsearch2.0ms

simplify7.0ms

Iterations
IterNodes
239
139
027

end0.0ms

sample2.7s

Algorithm
intervals
Results
1.2s2649×body1280valid
743.0ms5418×body80valid
386.0ms1341×body640valid
133.0ms759×body320valid
48.0ms400×body160valid