Details

Time bar (total: 18.4s)

sample81.0ms

Algorithm
intervals
Results
29.0ms56×body1280valid
17.0ms50×body640valid
13.0ms190×body80valid
8.0ms31×body320valid
2.0ms14×body160valid

simplify27.0ms

Counts
1 → 1
Iterations
IterNodes
418
318
216
113
05

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 35.9b

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- (exp x) 1) x)
4.1b
(- (exp x) 1)

rewrite27.0ms

Algorithm
rewrite-expression-head
Rules
34×add-sqr-sqrt
29×*-un-lft-identity
21×times-frac
14×add-cube-cbrt
10×difference-of-squares
associate-/l*
difference-of-sqr-1 distribute-lft-out--
add-cbrt-cube add-exp-log add-log-exp
associate-/r*
pow1 flip3-- insert-posit16 flip-- associate-/l/
cbrt-undiv clear-num sub-neg frac-2neg diff-log div-sub div-exp div-inv
Counts
2 → 64
Calls
2 calls:
18.0ms
(/ (- (exp x) 1) x)
8.0ms
(- (exp x) 1)

series72.0ms

Counts
2 → 6
Calls
2 calls:
55.0ms
(/ (- (exp x) 1) x)
17.0ms
(- (exp x) 1)

simplify1.3s

Counts
70 → 70
Iterations
IterNodes
43127
31236
2514
1234
0108

prune580.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.1b

localize24.0ms

Local error

Found 2 expressions with local error:

0.1b
(* x (+ (* 1/6 x) 1/2))
0.3b
(* 1/6 x)

rewrite56.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt
pow1 *-un-lft-identity add-cbrt-cube associate-*r* associate-*l* add-exp-log add-cube-cbrt
pow-prod-down prod-exp associate-*r/ *-commutative cbrt-unprod insert-posit16 add-log-exp unswap-sqr
distribute-rgt-in distribute-lft-in flip3-+ flip-+
Counts
2 → 42
Calls
2 calls:
44.0ms
(* x (+ (* 1/6 x) 1/2))
11.0ms
(* 1/6 x)

series154.0ms

Counts
2 → 6
Calls
2 calls:
125.0ms
(* x (+ (* 1/6 x) 1/2))
29.0ms
(* 1/6 x)

simplify5.6s

Counts
48 → 48
Iterations
IterNodes
47621
31915
2512
1189
072

prune346.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.1b

localize33.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (* (+ (* 1/6 x) 1/2) (* x x)) x)
0.0b
(* (+ (* 1/6 x) 1/2) (* x x))
0.3b
(* 1/6 x)
3.8b
(/ (+ (* (+ (* 1/6 x) 1/2) (* x x)) x) x)

rewrite113.0ms

Algorithm
rewrite-expression-head
Rules
18×add-sqr-sqrt
15×*-un-lft-identity add-cube-cbrt
13×add-cbrt-cube add-exp-log
11×pow1
times-frac
associate-*l* add-log-exp
associate-*r* pow-prod-down prod-exp cbrt-unprod insert-posit16
associate-/r* flip3-+ flip-+ associate-/l*
associate-*l/ *-commutative unswap-sqr associate-/l/
cbrt-undiv +-commutative clear-num sum-log frac-2neg div-exp div-inv
Counts
4 → 83
Calls
4 calls:
21.0ms
(+ (* (+ (* 1/6 x) 1/2) (* x x)) x)
33.0ms
(* (+ (* 1/6 x) 1/2) (* x x))
11.0ms
(* 1/6 x)
47.0ms
(/ (+ (* (+ (* 1/6 x) 1/2) (* x x)) x) x)

series207.0ms

Counts
4 → 12
Calls
4 calls:
32.0ms
(+ (* (+ (* 1/6 x) 1/2) (* x x)) x)
107.0ms
(* (+ (* 1/6 x) 1/2) (* x x))
16.0ms
(* 1/6 x)
52.0ms
(/ (+ (* (+ (* 1/6 x) 1/2) (* x x)) x) x)

simplify2.0s

Counts
95 → 95
Iterations
IterNodes
34912
21040
1332
0134

prune714.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.1b

localize18.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (exp x) 1)
0.0b
(/ (- (* (exp x) (exp x)) (* 1 1)) (* x (+ (exp x) 1)))
0.0b
(* (exp x) (exp x))
4.0b
(- (* (exp x) (exp x)) (* 1 1))

rewrite143.0ms

Algorithm
rewrite-expression-head
Rules
18×add-sqr-sqrt exp-prod *-un-lft-identity
16×add-cube-cbrt
11×pow1 add-cbrt-cube
add-exp-log
add-log-exp
times-frac pow-prod-down pow-sqr pow-prod-up insert-posit16 associate-/l*
swap-sqr associate-*r* associate-*l* difference-of-squares
cbrt-undiv flip3-+ flip3-- div-exp prod-exp associate-*r/ associate-/r/ cbrt-unprod flip-+ flip-- associate-/l/
pow2 +-commutative clear-num associate-/r* sum-log sub-neg frac-2neg pow-plus diff-log div-sub *-commutative div-inv distribute-lft-out unswap-sqr
Counts
4 → 91
Calls
4 calls:
13.0ms
(+ (exp x) 1)
79.0ms
(/ (- (* (exp x) (exp x)) (* 1 1)) (* x (+ (exp x) 1)))
26.0ms
(* (exp x) (exp x))
24.0ms
(- (* (exp x) (exp x)) (* 1 1))

series172.0ms

Counts
4 → 12
Calls
4 calls:
11.0ms
(+ (exp x) 1)
108.0ms
(/ (- (* (exp x) (exp x)) (* 1 1)) (* x (+ (exp x) 1)))
26.0ms
(* (exp x) (exp x))
27.0ms
(- (* (exp x) (exp x)) (* 1 1))

simplify2.9s

Counts
103 → 103
Iterations
IterNodes
35811
21366
1421
0149

prune781.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.1b

regimes32.0ms

Accuracy

98.7% (0.3b remaining)

Error of 0.3b against oracle of 0.0b and baseline of 21.1b

bsearch41.0ms

Steps
ItersRangePoint
9
-0.0008162261515098681
-6.511446174461762e-09
-0.0001556646497825041

simplify6.0ms

Iterations
IterNodes
227
127
019

end0.0ms

sample2.8s

Algorithm
intervals
Results
1.4s2318×body1280valid
627.0ms1609×body640valid
363.0ms5394×body80valid
199.0ms816×body320valid
55.0ms420×body160valid