Details

Time bar (total: 4.9s)

sample88.0ms

Algorithm
intervals
Results
60.0ms187×body1280valid
7.0ms262×body80valid
7.0ms39×body640valid
2.0ms15×body320valid
1.0msbody160valid

simplify216.0ms

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: 27.3b

Counts
2 → 1

localize6.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (exp x) 2.0)
2.7b
(+ (- (exp x) 2.0) (exp (- x)))

rewrite16.0ms

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)
11.0ms
(+ (- (exp x) 2.0) (exp (- x)))

series65.0ms

Counts
2 → 6
Calls
2 calls:
12.0ms
(- (exp x) 2.0)
53.0ms
(+ (- (exp x) 2.0) (exp (- x)))

simplify97.0ms

Algorithm
egg-herbie
Counts
41 → 41
Iterations

Useful iterations: 2 (20.0ms)

IterNodesCost
0211282
1715269
23477260
35001260

prune87.0ms

Filtered
41 candidates to 29 candidates (70.7%)
Pruning

4 alts after pruning (4 fresh and 0 done)

PrunedKeptTotal
New37441
Fresh000
Picked101
Done000
Total38442

Merged error: 0.0b

Counts
42 → 4

localize10.0ms

Local error

Found 3 expressions with local error:

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))

rewrite20.0ms

Algorithm
rewrite-expression-head
Rules
19×add-sqr-sqrt
14×associate-*r*
13×add-exp-log
11×*-un-lft-identity
add-cube-cbrt
unpow-prod-down add-log-exp
add-cbrt-cube
associate-*l* prod-exp unswap-sqr
sqr-pow
pow1 sum-log
pow-to-exp pow-exp *-commutative cbrt-unprod
+-commutative associate-+r+ flip3-+ flip-+ distribute-lft-out
Counts
3 → 64
Calls
3 calls:
7.0ms
(+ (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4))))
5.0ms
(* 1/360 (pow x 6))
5.0ms
(* 1/12 (pow x 4))

series142.0ms

Counts
3 → 9
Calls
3 calls:
57.0ms
(+ (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4))))
45.0ms
(* 1/360 (pow x 6))
39.0ms
(* 1/12 (pow x 4))

simplify44.0ms

Algorithm
egg-herbie
Counts
73 → 73
Iterations

Useful iterations: 2 (37.0ms)

IterNodesCost
0281379
11205345
25001330

prune132.0ms

Filtered
73 candidates to 45 candidates (61.6%)
Pruning

4 alts after pruning (3 fresh and 1 done)

PrunedKeptTotal
New73073
Fresh033
Picked011
Done000
Total73477

Merged error: 0.0b

Counts
77 → 4

localize19.0ms

Local error

Found 4 expressions with local error:

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
(* (exp x) (+ (* 2.0 (+ 2.0 (exp x))) (exp (+ x x))))
0.0b
(pow (exp x) 3)
2.9b
(+ (* 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:
22.0ms
(/ (+ (* 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)))))
13.0ms
(* (exp x) (+ (* 2.0 (+ 2.0 (exp x))) (exp (+ x x))))
4.0ms
(pow (exp x) 3)
13.0ms
(+ (* 2.0 2.0) (+ (exp (+ x x)) (* (exp x) (+ 2.0 (- (pow (exp x) 3) (pow 2.0 3))))))

series412.0ms

Counts
4 → 12
Calls
4 calls:
247.0ms
(/ (+ (* 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)))))
53.0ms
(* (exp x) (+ (* 2.0 (+ 2.0 (exp x))) (exp (+ x x))))
23.0ms
(pow (exp x) 3)
89.0ms
(+ (* 2.0 2.0) (+ (exp (+ x x)) (* (exp x) (+ 2.0 (- (pow (exp x) 3) (pow 2.0 3))))))

simplify111.0ms

Algorithm
egg-herbie
Counts
98 → 98
Iterations

Useful iterations: 2 (98.0ms)

IterNodesCost
05221373
131421189
250021182

prune262.0ms

Filtered
98 candidates to 69 candidates (70.4%)
Pruning

5 alts after pruning (3 fresh and 2 done)

PrunedKeptTotal
New97198
Fresh022
Picked011
Done011
Total975102

Merged error: 0.0b

Counts
102 → 5

localize10.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (exp x) (- (exp x) 2.0))
0.0b
(- (exp x) 2.0)
0.0b
(/ (* (+ (exp x) 2.0) (+ (* (exp x) (- (exp x) 2.0)) 1)) (* (+ (exp x) 2.0) (exp x)))
2.2b
(+ (* (exp x) (- (exp x) 2.0)) 1)

rewrite46.0ms

Algorithm
rewrite-expression-head
Rules
18×add-cbrt-cube
15×add-exp-log
12×add-sqr-sqrt
10×*-un-lft-identity
flip3-+ flip-+ associate-/l/ add-log-exp
pow1 add-cube-cbrt
sub-neg associate-*r* prod-exp cbrt-unprod
cbrt-undiv distribute-rgt-in frac-times associate-+l+ distribute-lft-in associate-*r/ div-exp associate-*l/
associate-*l*
flip3-- associate-/r/ flip-- distribute-lft-out-- difference-of-squares
+-commutative frac-2neg times-frac diff-log pow-prod-down clear-num associate-/r* sum-log *-commutative div-inv associate-/l* unswap-sqr
Counts
4 → 86
Calls
4 calls:
8.0ms
(* (exp x) (- (exp x) 2.0))
4.0ms
(- (exp x) 2.0)
22.0ms
(/ (* (+ (exp x) 2.0) (+ (* (exp x) (- (exp x) 2.0)) 1)) (* (+ (exp x) 2.0) (exp x)))
9.0ms
(+ (* (exp x) (- (exp x) 2.0)) 1)

series210.0ms

Counts
4 → 12
Calls
4 calls:
38.0ms
(* (exp x) (- (exp x) 2.0))
12.0ms
(- (exp x) 2.0)
101.0ms
(/ (* (+ (exp x) 2.0) (+ (* (exp x) (- (exp x) 2.0)) 1)) (* (+ (exp x) 2.0) (exp x)))
59.0ms
(+ (* (exp x) (- (exp x) 2.0)) 1)

simplify85.0ms

Algorithm
egg-herbie
Counts
98 → 98
Iterations

Useful iterations: 2 (76.0ms)

IterNodesCost
0513953
13039716
25001705

prune159.0ms

Filtered
98 candidates to 66 candidates (67.3%)
Pruning

4 alts after pruning (2 fresh and 2 done)

PrunedKeptTotal
New97198
Fresh112
Picked101
Done022
Total994103

Merged error: 0.0b

Counts
103 → 4

regimes24.0ms

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

sample2.6s

Algorithm
intervals
Results
1.8s5631×body1280valid
229.0ms8115×body80valid
221.0ms1221×body640valid
76.0ms661×body320valid
24.0ms327×body160valid

Profiling

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