Details

Time bar (total: 12.4s)

sample56.0ms

Algorithm
intervals
Results
25.0ms81×body1280valid
7.0ms46×body640valid
5.0ms165×body80valid
3.0ms23×body320valid
1.0ms13×body160valid

simplify2.4s

Counts
1 → 1
Iterations
IterNodes
done5002
73255
6440
5113
449
326
218
111
06

prune10.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 29.9b

localize7.0ms

Local error

Found 2 expressions with local error:

0.0b
(exp (* a x))
4.3b
(- (exp (* a x)) 1.0)

rewrite17.0ms

Algorithm
rewrite-expression-head
Rules
add-log-exp
add-sqr-sqrt *-un-lft-identity
pow1 add-cbrt-cube add-exp-log add-cube-cbrt
exp-prod sub-neg flip3-- exp-to-pow diff-log flip-- distribute-lft-out-- difference-of-squares rem-exp-log
Counts
2 → 24
Calls
2 calls:
5.0ms
(exp (* a x))
10.0ms
(- (exp (* a x)) 1.0)

series62.0ms

Counts
2 → 6
Calls
2 calls:
23.0ms
(exp (* a x))
39.0ms
(- (exp (* a x)) 1.0)

simplify1.1s

Counts
30 → 30
Iterations
IterNodes
done5000
32000
2389
1116
053

prune171.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 8.8b

localize21.0ms

Local error

Found 4 expressions with local error:

1.5b
(* x (+ (* (* a a) (* 1/2 x)) a))
5.2b
(* (* a a) (* 1/2 x))
13.1b
(+ (* (* 1/6 (pow a 3)) (pow x 3)) (* x (+ (* (* a a) (* 1/2 x)) a)))
17.1b
(* (* 1/6 (pow a 3)) (pow x 3))

rewrite212.0ms

Algorithm
rewrite-expression-head
Rules
44×add-exp-log
30×prod-exp
23×add-cbrt-cube
18×pow1
16×associate-*r*
12×cbrt-unprod
11×add-sqr-sqrt
*-un-lft-identity pow-prod-down add-cube-cbrt
pow-to-exp pow-exp
add-log-exp
associate-*l*
unpow-prod-down cube-prod *-commutative
distribute-rgt-in associate-+r+ distribute-lft-in flip3-+ associate-*r/ flip-+
cube-mult +-commutative sum-log unpow3 unswap-sqr sqr-pow
Counts
4 → 92
Calls
4 calls:
102.0ms
(* x (+ (* (* a a) (* 1/2 x)) a))
42.0ms
(* (* a a) (* 1/2 x))
24.0ms
(+ (* (* 1/6 (pow a 3)) (pow x 3)) (* x (+ (* (* a a) (* 1/2 x)) a)))
40.0ms
(* (* 1/6 (pow a 3)) (pow x 3))

series372.0ms

Counts
4 → 12
Calls
4 calls:
104.0ms
(* x (+ (* (* a a) (* 1/2 x)) a))
31.0ms
(* (* a a) (* 1/2 x))
154.0ms
(+ (* (* 1/6 (pow a 3)) (pow x 3)) (* x (+ (* (* a a) (* 1/2 x)) a)))
83.0ms
(* (* 1/6 (pow a 3)) (pow x 3))

simplify2.4s

Counts
104 → 104
Iterations
IterNodes
done5000
23555
1536
0163

prune478.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 2.6b

localize15.0ms

Local error

Found 3 expressions with local error:

0.0b
(* (* x x) 1/2)
4.0b
(+ (* (* a a) (* (* x x) 1/2)) (* x a))
14.7b
(* (* a a) (* (* x x) 1/2))

rewrite521.0ms

Algorithm
rewrite-expression-head
Rules
29×pow1 add-cbrt-cube add-exp-log
18×pow-prod-down prod-exp cbrt-unprod
add-sqr-sqrt add-log-exp
*-un-lft-identity associate-*r* add-cube-cbrt
associate-*l* *-commutative
+-commutative sum-log flip3-+ flip-+ unswap-sqr
Counts
3 → 58
Calls
3 calls:
28.0ms
(* (* x x) 1/2)
428.0ms
(+ (* (* a a) (* (* x x) 1/2)) (* x a))
62.0ms
(* (* a a) (* (* x x) 1/2))

series228.0ms

Counts
3 → 9
Calls
3 calls:
49.0ms
(* (* x x) 1/2)
110.0ms
(+ (* (* a a) (* (* x x) 1/2)) (* x a))
69.0ms
(* (* a a) (* (* x x) 1/2))

simplify1.8s

Counts
67 → 67
Iterations
IterNodes
done5001
22424
1315
094

prune253.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.1b

localize3.0ms

rewrite0.0ms

Algorithm
rewrite-expression-head
Rules
Counts
0 → 0

series0.0ms

Counts
0 → 0

simplify0.0ms

Counts
0 → 0
Iterations
IterNodes
done0
00

prune0.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0.1b

regimes305.0ms

Accuracy

96.9% (0.6b remaining)

Error of 0.9b against oracle of 0.2b and baseline of 20.8b

bsearch1.0ms

simplify1.0ms

Iterations
IterNodes
done10
110
09

end0.0ms

sample2.0s

Algorithm
intervals
Results
843.0ms2713×body1280valid
325.0ms5337×body80valid
235.0ms1382×body640valid
134.0ms775×body320valid
31.0ms400×body160valid