Details

Time bar (total: 1.9s)

sample11.0ms

Algorithm
intervals
Results
5.0ms256×body80valid

simplify214.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0105
1125
2145
3155
4205
5405
6615
71505
810405
950025

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: 0.0b

Counts
2 → 1

localize6.0ms

Local error

Found 2 expressions with local error:

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

rewrite12.0ms

Algorithm
rewrite-expression-head
Rules
21×*-un-lft-identity
12×times-frac
11×add-sqr-sqrt add-cube-cbrt
distribute-lft-out
add-exp-log associate-/r* add-cbrt-cube add-log-exp
associate-/l*
pow1 flip3-+ associate-/r/ flip-+
cbrt-undiv +-commutative frac-2neg div-exp clear-num sum-log div-inv
Counts
2 → 45
Calls
2 calls:
4.0ms
(+ (exp x) (exp (- x)))
6.0ms
(/ 2.0 (+ (exp x) (exp (- x))))

series65.0ms

Counts
2 → 6
Calls
2 calls:
22.0ms
(+ (exp x) (exp (- x)))
43.0ms
(/ 2.0 (+ (exp x) (exp (- x))))

simplify119.0ms

Algorithm
egg-herbie
Counts
51 → 51
Iterations

Useful iterations: 3 (114.0ms)

IterNodesCost
0191411
1633377
23009375
35002374

prune95.0ms

Filtered
51 candidates to 39 candidates (76.5%)
Pruning

3 alts after pruning (2 fresh and 1 done)

PrunedKeptTotal
New49251
Fresh000
Picked011
Done000
Total49352

Merged error: 0b

Counts
52 → 3

localize9.0ms

Local error

Found 4 expressions with local error:

0.0b
(pow (/ 2.0 (+ (exp (* -1 x)) (exp x))) 3)
0.0b
(+ (exp (* -1 x)) (exp x))
0.0b
(cbrt (pow (/ 2.0 (+ (exp (* -1 x)) (exp x))) 3))
0.0b
(/ 2.0 (+ (exp (* -1 x)) (exp x)))

rewrite33.0ms

Algorithm
rewrite-expression-head
Rules
81×*-un-lft-identity
60×times-frac
47×add-sqr-sqrt add-cube-cbrt
42×cbrt-prod
36×unpow-prod-down cube-prod
17×distribute-lft-out
10×associate-/r/
add-exp-log add-cbrt-cube
flip3-+ flip-+ add-log-exp
pow1 div-inv
associate-/r*
pow-unpow associate-/l*
cbrt-undiv cube-div cube-mult unpow3 div-exp pow-exp rem-cube-cbrt sqr-pow
+-commutative pow-to-exp cbrt-div pow-pow frac-2neg pow1/3 clear-num sum-log rem-cbrt-cube
Counts
4 → 153
Calls
4 calls:
8.0ms
(pow (/ 2.0 (+ (exp (* -1 x)) (exp x))) 3)
4.0ms
(+ (exp (* -1 x)) (exp x))
8.0ms
(cbrt (pow (/ 2.0 (+ (exp (* -1 x)) (exp x))) 3))
6.0ms
(/ 2.0 (+ (exp (* -1 x)) (exp x)))

series178.0ms

Counts
4 → 12
Calls
4 calls:
78.0ms
(pow (/ 2.0 (+ (exp (* -1 x)) (exp x))) 3)
21.0ms
(+ (exp (* -1 x)) (exp x))
42.0ms
(cbrt (pow (/ 2.0 (+ (exp (* -1 x)) (exp x))) 3))
37.0ms
(/ 2.0 (+ (exp (* -1 x)) (exp x)))

simplify64.0ms

Algorithm
egg-herbie
Counts
165 → 165
Iterations

Useful iterations: 2 (47.0ms)

IterNodesCost
04611626
119991517
250011501

prune229.0ms

Filtered
165 candidates to 83 candidates (50.3%)
Pruning

3 alts after pruning (1 fresh and 2 done)

PrunedKeptTotal
New1650165
Fresh011
Picked011
Done011
Total1653168

Merged error: 0b

Counts
168 → 3

localize8.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (sqrt 2.0) (+ (exp x) (exp (- x))))
0.0b
(+ (exp x) (exp (- x)))
0.5b
(* (sqrt 2.0) (/ (sqrt 2.0) (+ (exp x) (exp (- x)))))

rewrite32.0ms

Algorithm
rewrite-expression-head
Rules
65×*-un-lft-identity
53×add-sqr-sqrt
52×times-frac
37×add-cube-cbrt
35×sqrt-prod
30×associate-*r*
14×distribute-lft-out
10×add-exp-log add-cbrt-cube
associate-*l* associate-/l* unswap-sqr
pow1 add-log-exp
associate-/r* associate-/r/
flip3-+ flip-+
cbrt-undiv div-exp prod-exp cbrt-unprod div-inv
+-commutative frac-2neg associate-*r/ pow-prod-down clear-num sum-log *-commutative
Counts
3 → 116
Calls
3 calls:
7.0ms
(/ (sqrt 2.0) (+ (exp x) (exp (- x))))
4.0ms
(+ (exp x) (exp (- x)))
16.0ms
(* (sqrt 2.0) (/ (sqrt 2.0) (+ (exp x) (exp (- x)))))

series199.0ms

Counts
3 → 9
Calls
3 calls:
70.0ms
(/ (sqrt 2.0) (+ (exp x) (exp (- x))))
27.0ms
(+ (exp x) (exp (- x)))
100.0ms
(* (sqrt 2.0) (/ (sqrt 2.0) (+ (exp x) (exp (- x)))))

simplify55.0ms

Algorithm
egg-herbie
Counts
125 → 125
Iterations

Useful iterations: 2 (43.0ms)

IterNodesCost
03651252
116181131
250011102

prune195.0ms

Filtered
125 candidates to 77 candidates (61.6%)
Pruning

3 alts after pruning (0 fresh and 3 done)

PrunedKeptTotal
New1250125
Fresh000
Picked011
Done022
Total1253128

Merged error: 0b

Counts
128 → 3

regimes65.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0147
1147

end0.0ms

sample262.0ms

Algorithm
intervals
Results
175.0ms8000×body80valid