Details

Time bar (total: 5.4s)

sample30.0ms

Algorithm
intervals
Results
12.0ms76×body1280valid
6.0ms56×body640valid
3.0ms174×body80valid
1.0ms16×body320valid
1.0ms17×body160valid

simplify7.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0103
1133
2153
3153

prune2.0ms

Filtered
1 candidates to 0 candidates (0.0%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 39.2b

Counts
2 → 1

localize4.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- (exp x) 1.0) x)
4.6b
(- (exp x) 1.0)

rewrite12.0ms

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:
6.0ms
(/ (- (exp x) 1.0) x)
4.0ms
(- (exp x) 1.0)

series60.0ms

Counts
2 → 6
Calls
2 calls:
45.0ms
(/ (- (exp x) 1.0) x)
15.0ms
(- (exp x) 1.0)

simplify84.0ms

Algorithm
egg-herbie
Counts
58 → 58
Iterations

Useful iterations: 2 (20.0ms)

IterNodesCost
0220330
1621311
22713309
35001309

prune91.0ms

Filtered
58 candidates to 43 candidates (74.1%)
Pruning

4 alts after pruning (4 fresh and 0 done)

PrunedKeptTotal
New54458
Fresh000
Picked101
Done000
Total55459

Merged error: 0.1b

Counts
59 → 4

localize7.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ (* 1/6 (pow x 2)) (+ (* 1/2 x) 1))
0.4b
(* 1/6 (pow x 2))

rewrite26.0ms

Algorithm
rewrite-expression-head
Rules
21×*-un-lft-identity
11×add-sqr-sqrt
10×distribute-lft-out
associate-*r* associate-*l*
add-exp-log add-log-exp
add-cube-cbrt
pow1 unpow-prod-down add-cbrt-cube unswap-sqr
prod-exp sum-log
+-commutative associate-+r+ unpow2 sqr-pow
pow-to-exp flip3-+ pow-prod-down pow-exp *-commutative cbrt-unprod flip-+
Counts
2 → 48
Calls
2 calls:
19.0ms
(+ (* 1/6 (pow x 2)) (+ (* 1/2 x) 1))
6.0ms
(* 1/6 (pow x 2))

series48.0ms

Counts
2 → 6
Calls
2 calls:
20.0ms
(+ (* 1/6 (pow x 2)) (+ (* 1/2 x) 1))
28.0ms
(* 1/6 (pow x 2))

simplify213.0ms

Algorithm
egg-herbie
Counts
54 → 54
Iterations

Useful iterations: 2 (32.0ms)

IterNodesCost
0199257
1800236
24922235
35001235

prune70.0ms

Filtered
54 candidates to 30 candidates (55.6%)
Pruning

5 alts after pruning (4 fresh and 1 done)

PrunedKeptTotal
New53154
Fresh033
Picked011
Done000
Total53558

Merged error: 0.1b

Counts
58 → 5

localize18.0ms

Local error

Found 4 expressions with local error:

0.4b
(* 1/6 (pow x 2))
0.4b
(* 1/6 (pow x 2))
12.4b
(+ (pow (* 1/6 (pow x 2)) 3) (pow (+ (* 1/2 x) 1) 3))
15.6b
(/ (+ (pow (* 1/6 (pow x 2)) 3) (pow (+ (* 1/2 x) 1) 3)) (+ (* (+ (* 1/2 x) 1) (- (+ (* 1/2 x) 1) (* 1/6 (pow x 2)))) (* 1/36 (* (pow x 2) (pow x 2)))))

rewrite216.0ms

Algorithm
rewrite-expression-head
Rules
623×*-un-lft-identity
323×distribute-lft-out
251×associate-*l*
164×unpow-prod-down
154×times-frac
52×pow-unpow sum-cubes
49×add-sqr-sqrt
37×add-cube-cbrt
16×add-exp-log associate-*r*
14×associate-/l*
11×associate-/r*
10×add-cbrt-cube
pow1 unswap-sqr
prod-exp add-log-exp
unpow2 sqr-pow
flip3-+ flip-+
pow-to-exp pow-prod-down pow-exp associate-/r/ *-commutative cbrt-unprod associate-/l/
cbrt-undiv +-commutative frac-2neg div-exp clear-num sum-log div-inv
Counts
4 → 273
Calls
4 calls:
6.0ms
(* 1/6 (pow x 2))
6.0ms
(* 1/6 (pow x 2))
29.0ms
(+ (pow (* 1/6 (pow x 2)) 3) (pow (+ (* 1/2 x) 1) 3))
154.0ms
(/ (+ (pow (* 1/6 (pow x 2)) 3) (pow (+ (* 1/2 x) 1) 3)) (+ (* (+ (* 1/2 x) 1) (- (+ (* 1/2 x) 1) (* 1/6 (pow x 2)))) (* 1/36 (* (pow x 2) (pow x 2)))))

series190.0ms

Counts
4 → 12
Calls
4 calls:
29.0ms
(* 1/6 (pow x 2))
25.0ms
(* 1/6 (pow x 2))
54.0ms
(+ (pow (* 1/6 (pow x 2)) 3) (pow (+ (* 1/2 x) 1) 3))
81.0ms
(/ (+ (pow (* 1/6 (pow x 2)) 3) (pow (+ (* 1/2 x) 1) 3)) (+ (* (+ (* 1/2 x) 1) (- (+ (* 1/2 x) 1) (* 1/6 (pow x 2)))) (* 1/36 (* (pow x 2) (pow x 2)))))

simplify157.0ms

Algorithm
egg-herbie
Counts
285 → 285
Iterations

Useful iterations: 2 (88.0ms)

IterNodesCost
04896017
122625725
250015710

prune337.0ms

Filtered
285 candidates to 85 candidates (29.8%)
Pruning

5 alts after pruning (4 fresh and 1 done)

PrunedKeptTotal
New2841285
Fresh033
Picked101
Done011
Total2855290

Merged error: 0.1b

Counts
290 → 5

localize23.0ms

Local error

Found 4 expressions with local error:

12.4b
(+ (pow (* 1/6 (pow x 2)) 3) (pow (+ (* 1/2 x) 1) 3))
12.4b
(+ (pow (* 1/6 (pow x 2)) 3) (pow (+ (* 1/2 x) 1) 3))
12.4b
(+ (pow (* 1/6 (pow x 2)) 3) (pow (+ (* 1/2 x) 1) 3))
15.6b
(/ (* (* (cbrt (+ (pow (* 1/6 (pow x 2)) 3) (pow (+ (* 1/2 x) 1) 3))) (cbrt (+ (pow (* 1/6 (pow x 2)) 3) (pow (+ (* 1/2 x) 1) 3)))) (cbrt (+ (pow (* 1/6 (pow x 2)) 3) (pow (+ (* 1/2 x) 1) 3)))) (+ (* (+ (* 1/2 x) 1) (- (+ (* 1/2 x) 1) (* 1/6 (pow x 2)))) (* 1/36 (* (pow x 2) (pow x 2)))))

rewrite651.0ms

Algorithm
rewrite-expression-head
Rules
6319×*-un-lft-identity
3819×associate-*l*
3513×distribute-lft-out
2196×unpow-prod-down
1908×cbrt-prod
1452×times-frac
905×add-sqr-sqrt
636×swap-sqr
408×associate-*r*
360×unswap-sqr
281×add-cube-cbrt
252×pow-unpow sum-cubes
132×associate-/l*
54×cbrt-div
48×*-commutative
31×flip3-+ add-cbrt-cube flip-+
28×frac-times
26×associate-/l/
18×cbrt-unprod
14×associate-*l/
13×add-exp-log
11×cbrt-undiv associate-/r*
10×add-log-exp
associate-*r/
pow1
+-commutative div-exp prod-exp sum-log
associate-/r/
frac-2neg clear-num div-inv
Counts
4 → 1713
Calls
4 calls:
27.0ms
(+ (pow (* 1/6 (pow x 2)) 3) (pow (+ (* 1/2 x) 1) 3))
30.0ms
(+ (pow (* 1/6 (pow x 2)) 3) (pow (+ (* 1/2 x) 1) 3))
27.0ms
(+ (pow (* 1/6 (pow x 2)) 3) (pow (+ (* 1/2 x) 1) 3))
277.0ms
(/ (* (* (cbrt (+ (pow (* 1/6 (pow x 2)) 3) (pow (+ (* 1/2 x) 1) 3))) (cbrt (+ (pow (* 1/6 (pow x 2)) 3) (pow (+ (* 1/2 x) 1) 3)))) (cbrt (+ (pow (* 1/6 (pow x 2)) 3) (pow (+ (* 1/2 x) 1) 3)))) (+ (* (+ (* 1/2 x) 1) (- (+ (* 1/2 x) 1) (* 1/6 (pow x 2)))) (* 1/36 (* (pow x 2) (pow x 2)))))

series241.0ms

Counts
4 → 12
Calls
4 calls:
53.0ms
(+ (pow (* 1/6 (pow x 2)) 3) (pow (+ (* 1/2 x) 1) 3))
50.0ms
(+ (pow (* 1/6 (pow x 2)) 3) (pow (+ (* 1/2 x) 1) 3))
53.0ms
(+ (pow (* 1/6 (pow x 2)) 3) (pow (+ (* 1/2 x) 1) 3))
84.0ms
(/ (* (* (cbrt (+ (pow (* 1/6 (pow x 2)) 3) (pow (+ (* 1/2 x) 1) 3))) (cbrt (+ (pow (* 1/6 (pow x 2)) 3) (pow (+ (* 1/2 x) 1) 3)))) (cbrt (+ (pow (* 1/6 (pow x 2)) 3) (pow (+ (* 1/2 x) 1) 3)))) (+ (* (+ (* 1/2 x) 1) (- (+ (* 1/2 x) 1) (* 1/6 (pow x 2)))) (* 1/36 (* (pow x 2) (pow x 2)))))

simplify825.0ms

Algorithm
egg-herbie
Counts
1725 → 1725
Iterations

Useful iterations: 1 (48.0ms)

IterNodesCost
0158884594
1500171374

prune1.2s

Filtered
1725 candidates to 240 candidates (13.9%)
Pruning

5 alts after pruning (4 fresh and 1 done)

PrunedKeptTotal
New172411725
Fresh033
Picked101
Done011
Total172551730

Merged error: 0.1b

Counts
1730 → 5

regimes31.0ms

Accuracy

98.4% (0.3b remaining)

Error of 0.4b against oracle of 0.0b and baseline of 20.8b

bsearch32.0ms

Steps
ItersRangePoint
8
-0.00024695944164034034
-6.132196241634436e-08
-0.00020269643688096618

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03617
13617

end0.0ms

sample873.0ms

Algorithm
intervals
Results
367.0ms2195×body1280valid
182.0ms1709×body640valid
100.0ms5364×body80valid
63.0ms875×body320valid
20.0ms460×body160valid