Details

Time bar (total: 1.5m)

sample635.0ms

Algorithm
intervals
Results
366.0ms35×body640valid
128.0ms73×body1280valid
21.0ms216×body80valid
16.0ms22×body320valid
2.0ms19×body160valid

simplify17.3s

Counts
1 → 1
Iterations
IterNodes
done5020
83533
7890
6221
593
444
323
216
111
06

prune59.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 27.2b

localize26.0ms

Local error

Found 2 expressions with local error:

0.0b
(exp (* a x))
5.0b
(- (exp (* a x)) 1.0)

rewrite213.0ms

Algorithm
rewrite-expression-head
Rules
add-log-exp
add-sqr-sqrt *-un-lft-identity
pow1 add-exp-log add-cube-cbrt add-cbrt-cube
sub-neg exp-prod flip3-- exp-to-pow diff-log flip-- rem-exp-log distribute-lft-out-- difference-of-squares
Counts
2 → 24
Calls
2 calls:
8.0ms
(exp (* a x))
200.0ms
(- (exp (* a x)) 1.0)

series129.0ms

Counts
2 → 6
Calls
2 calls:
37.0ms
(exp (* a x))
92.0ms
(- (exp (* a x)) 1.0)

simplify14.4s

Counts
30 → 30
Iterations
IterNodes
done5000
43552
31024
2308
1116
053

prune515.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.1b

localize94.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* a x) (* a x))
0.2b
(* (* a x) (* (* a x) 1/2))
3.8b
(+ (* (* a x) (* (* a x) 1/2)) (* a x))
15.6b
(+ (* 1/6 (* (* a x) (* (* a x) (* a x)))) (+ (* (* a x) (* (* a x) 1/2)) (* a x)))

rewrite2.2s

Algorithm
rewrite-expression-head
Rules
64×pow1
37×add-exp-log add-cbrt-cube
32×pow-prod-down
23×prod-exp cbrt-unprod
11×add-log-exp
add-sqr-sqrt add-cube-cbrt *-un-lft-identity sum-log pow-sqr pow-prod-up
+-commutative flip3-+ pow-plus associate-*r* associate-*l* *-commutative flip-+
pow2 associate-+r+ swap-sqr
Counts
4 → 86
Calls
4 calls:
174.0ms
(* (* a x) (* a x))
239.0ms
(* (* a x) (* (* a x) 1/2))
210.0ms
(+ (* (* a x) (* (* a x) 1/2)) (* a x))
1.5s
(+ (* 1/6 (* (* a x) (* (* a x) (* a x)))) (+ (* (* a x) (* (* a x) 1/2)) (* a x)))

series1.0s

Counts
4 → 12
Calls
4 calls:
88.0ms
(* (* a x) (* a x))
108.0ms
(* (* a x) (* (* a x) 1/2))
335.0ms
(+ (* (* a x) (* (* a x) 1/2)) (* a x))
505.0ms
(+ (* 1/6 (* (* a x) (* (* a x) (* a x)))) (+ (* (* a x) (* (* a x) 1/2)) (* a x)))

simplify10.1s

Counts
98 → 98
Iterations
IterNodes
done5000
21562
1368
0122

prune1.5s

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.0b

localize192.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (* x a) (* (* (* x a) (* x a)) (+ (* (* x a) 1/6) 1/2)))
0.0b
(* (* (* x a) (* x a)) (+ (* (* x a) 1/6) 1/2))
0.2b
(* (* x a) (* x a))
0.3b
(* (* x a) 1/6)

rewrite647.0ms

Algorithm
rewrite-expression-head
Rules
66×pow1
39×add-exp-log add-cbrt-cube
33×pow-prod-down
24×prod-exp cbrt-unprod
add-sqr-sqrt associate-*r*
add-cube-cbrt *-un-lft-identity add-log-exp
pow-sqr pow-prod-up
associate-*l* *-commutative
distribute-rgt-in associate-+r+ distribute-lft-in flip3-+ pow-plus associate-*r/ flip-+
+-commutative pow2 swap-sqr sum-log unswap-sqr
Counts
4 → 97
Calls
4 calls:
24.0ms
(+ (* x a) (* (* (* x a) (* x a)) (+ (* (* x a) 1/6) 1/2)))
404.0ms
(* (* (* x a) (* x a)) (+ (* (* x a) 1/6) 1/2))
58.0ms
(* (* x a) (* x a))
49.0ms
(* (* x a) 1/6)

series1.2s

Counts
4 → 12
Calls
4 calls:
510.0ms
(+ (* x a) (* (* (* x a) (* x a)) (+ (* (* x a) 1/6) 1/2)))
314.0ms
(* (* (* x a) (* x a)) (+ (* (* x a) 1/6) 1/2))
163.0ms
(* (* x a) (* x a))
182.0ms
(* (* x a) 1/6)

simplify9.0s

Counts
109 → 109
Iterations
IterNodes
done5002
21965
1453
0135

prune1.2s

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

localize105.0ms

Local error

Found 4 expressions with local error:

0.4b
(* (cbrt (+ (* x a) (* (* (* x a) (* x a)) (+ (* (* x a) 1/6) 1/2)))) (cbrt (+ (* x a) (* (* (* x a) (* x a)) (+ (* (* x a) 1/6) 1/2)))))
21.5b
(cbrt (+ (* x a) (* (* (* x a) (* x a)) (+ (* (* x a) 1/6) 1/2))))
21.5b
(cbrt (+ (* x a) (* (* (* x a) (* x a)) (+ (* (* x a) 1/6) 1/2))))
21.5b
(cbrt (+ (* x a) (* (* (* x a) (* x a)) (+ (* (* x a) 1/6) 1/2))))

rewrite213.0ms

Algorithm
rewrite-expression-head
Rules
25×cbrt-prod
23×add-sqr-sqrt
18×cbrt-div
15×add-cube-cbrt *-un-lft-identity
11×pow1
flip3-+ pow1/3 flip-+
add-exp-log swap-sqr associate-*r* associate-*l*
frac-times add-cbrt-cube add-log-exp unswap-sqr
associate-*r/ pow-prod-down associate-*l/ pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 87
Calls
4 calls:
169.0ms
(* (cbrt (+ (* x a) (* (* (* x a) (* x a)) (+ (* (* x a) 1/6) 1/2)))) (cbrt (+ (* x a) (* (* (* x a) (* x a)) (+ (* (* x a) 1/6) 1/2)))))
16.0ms
(cbrt (+ (* x a) (* (* (* x a) (* x a)) (+ (* (* x a) 1/6) 1/2))))
9.0ms
(cbrt (+ (* x a) (* (* (* x a) (* x a)) (+ (* (* x a) 1/6) 1/2))))
10.0ms
(cbrt (+ (* x a) (* (* (* x a) (* x a)) (+ (* (* x a) 1/6) 1/2))))

series4.3s

Counts
4 → 12
Calls
4 calls:
1.4s
(* (cbrt (+ (* x a) (* (* (* x a) (* x a)) (+ (* (* x a) 1/6) 1/2)))) (cbrt (+ (* x a) (* (* (* x a) (* x a)) (+ (* (* x a) 1/6) 1/2)))))
1.0s
(cbrt (+ (* x a) (* (* (* x a) (* x a)) (+ (* (* x a) 1/6) 1/2))))
770.0ms
(cbrt (+ (* x a) (* (* (* x a) (* x a)) (+ (* (* x a) 1/6) 1/2))))
1.1s
(cbrt (+ (* x a) (* (* (* x a) (* x a)) (+ (* (* x a) 1/6) 1/2))))

simplify10.7s

Counts
99 → 99
Iterations
IterNodes
done5001
21506
1439
0167

prune2.6s

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

regimes1.8s

Accuracy

97% (0.6b remaining)

Error of 0.7b against oracle of 0.1b and baseline of 21.2b

bsearch45.0ms

simplify18.0ms

Iterations
IterNodes
done25
125
020

end11.0ms

sample10.4s

Algorithm
intervals
Results
4.2s748×body320valid
2.9s2733×body1280valid
2.1s5387×body80valid
424.0ms1291×body640valid
114.0ms427×body160valid