Details

Time bar (total: 4.8s)

sample81.0ms

Algorithm
intervals
Results
55.0ms182×body1280valid
6.0ms283×body80valid
6.0ms35×body640valid
2.0ms25×body320valid
1.0ms11×body160valid

simplify220.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0145
1265
2415
3555
4675
51005
61445
72965
813215
950015

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: 29.6b

Counts
2 → 1

localize6.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (exp x) 2.0)
4.5b
(+ (- (exp x) 2.0) (exp (- x)))

rewrite13.0ms

Algorithm
rewrite-expression-head
Rules
*-un-lft-identity add-log-exp
add-sqr-sqrt frac-add
flip3-- flip--
pow1 add-exp-log neg-sub0 exp-neg add-cube-cbrt sub-neg associate-+l+ exp-diff diff-log sum-log add-cbrt-cube distribute-lft-out distribute-lft-out--
+-commutative associate-+l- flip3-+ flip-+ difference-of-squares
Counts
2 → 35
Calls
2 calls:
4.0ms
(- (exp x) 2.0)
8.0ms
(+ (- (exp x) 2.0) (exp (- x)))

series72.0ms

Counts
2 → 6
Calls
2 calls:
13.0ms
(- (exp x) 2.0)
59.0ms
(+ (- (exp x) 2.0) (exp (- x)))

simplify96.0ms

Algorithm
egg-herbie
Counts
41 → 41
Iterations

Useful iterations: 2 (21.0ms)

IterNodesCost
0211282
1715269
23477260
35001260

prune85.0ms

Filtered
41 candidates to 29 candidates (70.7%)
Pruning

3 alts after pruning (3 fresh and 0 done)

PrunedKeptTotal
New38341
Fresh000
Picked101
Done000
Total39342

Merged error: 0.0b

Counts
42 → 3

localize10.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4)))
0.0b
(+ (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4))))
0.1b
(* 1/360 (pow x 6))
0.1b
(* 1/12 (pow x 4))

rewrite29.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt
14×add-exp-log associate-*r*
12×*-un-lft-identity
11×add-log-exp
10×add-cube-cbrt
unpow-prod-down add-cbrt-cube
associate-*l* prod-exp unswap-sqr
pow1 sum-log sqr-pow
+-commutative pow-to-exp flip3-+ pow-exp *-commutative cbrt-unprod flip-+
associate-+r+ distribute-lft-out
Counts
4 → 75
Calls
4 calls:
8.0ms
(+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4)))
7.0ms
(+ (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4))))
5.0ms
(* 1/360 (pow x 6))
6.0ms
(* 1/12 (pow x 4))

series277.0ms

Counts
4 → 12
Calls
4 calls:
135.0ms
(+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4)))
52.0ms
(+ (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4))))
53.0ms
(* 1/360 (pow x 6))
36.0ms
(* 1/12 (pow x 4))

simplify50.0ms

Algorithm
egg-herbie
Counts
87 → 87
Iterations

Useful iterations: 2 (42.0ms)

IterNodesCost
0329464
11456439
25001423

prune167.0ms

Filtered
87 candidates to 55 candidates (63.2%)
Pruning

5 alts after pruning (4 fresh and 1 done)

PrunedKeptTotal
New85287
Fresh022
Picked011
Done000
Total85590

Merged error: 0.0b

Counts
90 → 5

localize13.0ms

Local error

Found 4 expressions with local error:

0.1b
(* 1/360 (pow x 6))
0.1b
(pow (+ (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4)))) 3)
0.1b
(* 1/12 (pow x 4))
19.9b
(cbrt (pow (+ (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4)))) 3))

rewrite29.0ms

Algorithm
rewrite-expression-head
Rules
26×add-sqr-sqrt
24×*-un-lft-identity
16×add-cube-cbrt unpow-prod-down
15×add-exp-log
14×cbrt-prod associate-*r*
add-cbrt-cube
cube-prod
associate-*l* prod-exp unswap-sqr sqr-pow
pow1
cube-div distribute-lft-out add-log-exp
pow-to-exp pow-unpow pow-exp
cube-mult cbrt-div flip3-+ unpow3 *-commutative cbrt-unprod flip-+
pow-pow pow1/3 rem-cbrt-cube rem-cube-cbrt
Counts
4 → 102
Calls
4 calls:
5.0ms
(* 1/360 (pow x 6))
8.0ms
(pow (+ (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4)))) 3)
5.0ms
(* 1/12 (pow x 4))
8.0ms
(cbrt (pow (+ (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4)))) 3))

series223.0ms

Counts
4 → 12
Calls
4 calls:
53.0ms
(* 1/360 (pow x 6))
76.0ms
(pow (+ (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4)))) 3)
35.0ms
(* 1/12 (pow x 4))
58.0ms
(cbrt (pow (+ (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4)))) 3))

simplify63.0ms

Algorithm
egg-herbie
Counts
114 → 114
Iterations

Useful iterations: 2 (51.0ms)

IterNodesCost
0419910
11865843
25003830

prune214.0ms

Filtered
114 candidates to 62 candidates (54.4%)
Pruning

5 alts after pruning (3 fresh and 2 done)

PrunedKeptTotal
New1131114
Fresh123
Picked011
Done011
Total1145119

Merged error: 0.0b

Counts
119 → 5

localize19.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (exp x) (+ (* 2.0 (+ 2.0 (exp x))) (exp (+ x x))))
0.0b
(/ (+ (* 2.0 2.0) (+ (exp (+ x x)) (* (exp x) (+ 2.0 (- (pow (exp x) 3) (pow 2.0 3)))))) (* (exp x) (+ (* 2.0 (+ 2.0 (exp x))) (exp (+ x x)))))
0.0b
(pow (exp x) 3)
4.0b
(+ (* 2.0 2.0) (+ (exp (+ x x)) (* (exp x) (+ 2.0 (- (pow (exp x) 3) (pow 2.0 3))))))

rewrite54.0ms

Algorithm
rewrite-expression-head
Rules
14×add-sqr-sqrt
12×add-cube-cbrt *-un-lft-identity add-cbrt-cube
add-exp-log add-log-exp
pow1
pow-pow flip3-+ associate-*r/ flip-+
unpow-prod-down pow-unpow exp-prod times-frac cube-prod associate-*r* associate-*l* sum-log associate-/l*
cbrt-undiv div-exp prod-exp associate-/r/ cbrt-unprod associate-/l/
+-commutative distribute-rgt-in cube-mult pow-to-exp associate-+r+ frac-2neg distribute-lft-in unpow3 pow-prod-down pow-exp clear-num associate-/r* *-commutative div-inv rem-cube-cbrt unswap-sqr sqr-pow
Counts
4 → 86
Calls
4 calls:
13.0ms
(* (exp x) (+ (* 2.0 (+ 2.0 (exp x))) (exp (+ x x))))
26.0ms
(/ (+ (* 2.0 2.0) (+ (exp (+ x x)) (* (exp x) (+ 2.0 (- (pow (exp x) 3) (pow 2.0 3)))))) (* (exp x) (+ (* 2.0 (+ 2.0 (exp x))) (exp (+ x x)))))
4.0ms
(pow (exp x) 3)
9.0ms
(+ (* 2.0 2.0) (+ (exp (+ x x)) (* (exp x) (+ 2.0 (- (pow (exp x) 3) (pow 2.0 3))))))

series418.0ms

Counts
4 → 12
Calls
4 calls:
51.0ms
(* (exp x) (+ (* 2.0 (+ 2.0 (exp x))) (exp (+ x x))))
249.0ms
(/ (+ (* 2.0 2.0) (+ (exp (+ x x)) (* (exp x) (+ 2.0 (- (pow (exp x) 3) (pow 2.0 3)))))) (* (exp x) (+ (* 2.0 (+ 2.0 (exp x))) (exp (+ x x)))))
23.0ms
(pow (exp x) 3)
93.0ms
(+ (* 2.0 2.0) (+ (exp (+ x x)) (* (exp x) (+ 2.0 (- (pow (exp x) 3) (pow 2.0 3))))))

simplify107.0ms

Algorithm
egg-herbie
Counts
98 → 98
Iterations

Useful iterations: 2 (94.0ms)

IterNodesCost
05221375
131421189
250011182

prune248.0ms

Filtered
98 candidates to 69 candidates (70.4%)
Pruning

5 alts after pruning (3 fresh and 2 done)

PrunedKeptTotal
New97198
Fresh022
Picked101
Done022
Total985103

Merged error: 0b

Counts
103 → 5

regimes64.0ms

Accuracy

0% (0.5b remaining)

Error of 0.6b against oracle of 0.1b and baseline of 0.6b

bsearch0.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0177
1177

end0.0ms

sample2.3s

Algorithm
intervals
Results
1.6s5688×body1280valid
189.0ms1216×body640valid
179.0ms7996×body80valid
56.0ms577×body320valid
20.0ms340×body160valid