Details

Time bar (total: 16.8s)

sample61.0ms

Algorithm
intervals
Results
31.0ms75×body1280valid
8.0ms59×body640valid
5.0ms172×body80valid
2.0ms26×body320valid
1.0ms16×body160valid

simplify16.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
056
1106
2136
3156
done156

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 42.0b

localize14.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- (exp x) 1.0) x)
4.1b
(- (exp x) 1.0)

rewrite75.0ms

Algorithm
rewrite-expression-head
Rules
22×add-sqr-sqrt *-un-lft-identity
15×times-frac
12×add-cube-cbrt
associate-/l* distribute-lft-out-- difference-of-squares
add-exp-log add-cbrt-cube add-log-exp
associate-/r*
pow1 flip3-- flip-- associate-/l/
cbrt-undiv sub-neg frac-2neg diff-log div-sub div-exp clear-num div-inv
Counts
2 → 52
Calls
2 calls:
49.0ms
(/ (- (exp x) 1.0) x)
23.0ms
(- (exp x) 1.0)

series86.0ms

Counts
2 → 6
Calls
2 calls:
51.0ms
(/ (- (exp x) 1.0) x)
34.0ms
(- (exp x) 1.0)

simplify2.4s

Counts
58 → 58
Iterations

Useful iterations: 3 (889.0ms)

IterNodesCost
099596
1227572
2802544
34675537
done5002537

prune229.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize10.0ms

Local error

Found 4 expressions with local error:

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

rewrite54.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt
pow1 add-exp-log add-cube-cbrt *-un-lft-identity add-cbrt-cube add-log-exp
associate-*r* associate-*l*
flip3-+ flip-+
+-commutative distribute-rgt-in associate-+l+ distribute-lft-in associate-*r/ pow-prod-down prod-exp sum-log *-commutative cbrt-unprod unswap-sqr
Counts
4 → 64
Calls
4 calls:
15.0ms
(+ (* x (+ 1/2 (* 1/6 x))) 1)
6.0ms
(+ 1/2 (* 1/6 x))
24.0ms
(* x (+ 1/2 (* 1/6 x)))
7.0ms
(* 1/6 x)

series169.0ms

Counts
4 → 12
Calls
4 calls:
23.0ms
(+ (* x (+ 1/2 (* 1/6 x))) 1)
33.0ms
(+ 1/2 (* 1/6 x))
87.0ms
(* x (+ 1/2 (* 1/6 x)))
25.0ms
(* 1/6 x)

simplify1.3s

Counts
76 → 76
Iterations

Useful iterations: 2 (340.0ms)

IterNodesCost
0101708
1310650
21528604
done5001604

prune278.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

localize27.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (exp x) 1.0)
0.0b
(/ (/ (- (exp (+ x x)) (* 1.0 1.0)) (+ (exp x) 1.0)) x)
0.0b
(/ (- (exp (+ x x)) (* 1.0 1.0)) (+ (exp x) 1.0))
4.1b
(- (exp (+ x x)) (* 1.0 1.0))

rewrite534.0ms

Algorithm
rewrite-expression-head
Rules
178×times-frac
136×*-un-lft-identity
104×add-sqr-sqrt
82×add-cube-cbrt
44×difference-of-squares
31×associate-/l*
27×distribute-lft-out
22×exp-sum
11×add-exp-log add-cbrt-cube
10×associate-/r/
add-log-exp
associate-/r*
flip3-+ flip-+ div-inv
pow1 cbrt-undiv div-exp
div-sub associate-/l/
flip3-- frac-2neg clear-num flip--
+-commutative sub-neg diff-log sum-log
Counts
4 → 195
Calls
4 calls:
18.0ms
(+ (exp x) 1.0)
205.0ms
(/ (/ (- (exp (+ x x)) (* 1.0 1.0)) (+ (exp x) 1.0)) x)
202.0ms
(/ (- (exp (+ x x)) (* 1.0 1.0)) (+ (exp x) 1.0))
87.0ms
(- (exp (+ x x)) (* 1.0 1.0))

series211.0ms

Counts
4 → 12
Calls
4 calls:
20.0ms
(+ (exp x) 1.0)
104.0ms
(/ (/ (- (exp (+ x x)) (* 1.0 1.0)) (+ (exp x) 1.0)) x)
65.0ms
(/ (- (exp (+ x x)) (* 1.0 1.0)) (+ (exp x) 1.0))
22.0ms
(- (exp (+ x x)) (* 1.0 1.0))

simplify2.2s

Counts
207 → 207
Iterations

Useful iterations: 2 (922.0ms)

IterNodesCost
03014684
17824503
239804251
done50004251

prune927.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

localize26.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (/ (- (exp (* x 4)) (pow 1.0 4)) (+ (exp (+ x x)) (* 1.0 1.0))) (+ (exp x) 1.0))
0.0b
(/ (/ (/ (- (exp (* x 4)) (pow 1.0 4)) (+ (exp (+ x x)) (* 1.0 1.0))) (+ (exp x) 1.0)) x)
0.0b
(/ (- (exp (* x 4)) (pow 1.0 4)) (+ (exp (+ x x)) (* 1.0 1.0)))
4.0b
(- (exp (* x 4)) (pow 1.0 4))

rewrite688.0ms

Algorithm
rewrite-expression-head
Rules
1344×times-frac
910×*-un-lft-identity
842×add-sqr-sqrt
502×add-cube-cbrt
204×difference-of-squares
148×associate-/l*
136×distribute-lft-out
68×unpow-prod-down distribute-lft-out-- sqr-pow
54×associate-/r/
28×div-inv
27×flip3-+ flip-+
20×add-exp-log add-cbrt-cube
10×cbrt-undiv div-exp associate-/r*
div-sub add-log-exp
pow1 associate-/l/
frac-2neg clear-num
flip3-- flip--
sub-neg diff-log
Counts
4 → 698
Calls
4 calls:
200.0ms
(/ (/ (- (exp (* x 4)) (pow 1.0 4)) (+ (exp (+ x x)) (* 1.0 1.0))) (+ (exp x) 1.0))
251.0ms
(/ (/ (/ (- (exp (* x 4)) (pow 1.0 4)) (+ (exp (+ x x)) (* 1.0 1.0))) (+ (exp x) 1.0)) x)
134.0ms
(/ (- (exp (* x 4)) (pow 1.0 4)) (+ (exp (+ x x)) (* 1.0 1.0)))
28.0ms
(- (exp (* x 4)) (pow 1.0 4))

series326.0ms

Counts
4 → 12
Calls
4 calls:
86.0ms
(/ (/ (- (exp (* x 4)) (pow 1.0 4)) (+ (exp (+ x x)) (* 1.0 1.0))) (+ (exp x) 1.0))
153.0ms
(/ (/ (/ (- (exp (* x 4)) (pow 1.0 4)) (+ (exp (+ x x)) (* 1.0 1.0))) (+ (exp x) 1.0)) x)
66.0ms
(/ (- (exp (* x 4)) (pow 1.0 4)) (+ (exp (+ x x)) (* 1.0 1.0)))
21.0ms
(- (exp (* x 4)) (pow 1.0 4))

simplify1.5s

Counts
710 → 710
Iterations

Useful iterations: done (1.4s)

IterNodesCost
091130554
1238529204
done500128692

prune3.8s

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

regimes49.0ms

Accuracy

99% (0.2b remaining)

Error of 0.3b against oracle of 0.1b and baseline of 21.1b

bsearch38.0ms

Steps
ItersRangePoint
8
-0.001242952878385433
-3.7186071738290686e-06
-0.00014256029521601964

simplify8.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02851
13751
done3751

end0.0ms

sample1.8s

Algorithm
intervals
Results
716.0ms2301×body1280valid
329.0ms1653×body640valid
208.0ms5405×body80valid
204.0ms828×body320valid
33.0ms417×body160valid