Details

Time bar (total: 2.3s)

sample11.0ms

Algorithm
intervals
Results
5.0ms256×body80valid

simplify202.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0105
1125
2145
3155
4205
5405
6615
71505
810385
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: 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))))

series67.0ms

Counts
2 → 6
Calls
2 calls:
23.0ms
(+ (exp x) (exp (- x)))
44.0ms
(/ 2.0 (+ (exp x) (exp (- x))))

simplify105.0ms

Algorithm
egg-herbie
Counts
51 → 51
Iterations

Useful iterations: 3 (100.0ms)

IterNodesCost
0189411
1622377
22886375
35003374

prune93.0ms

Filtered
51 candidates to 39 candidates (76.5%)
Pruning

3 alts after pruning (3 fresh and 0 done)

PrunedKeptTotal
New48351
Fresh000
Picked101
Done000
Total49352

Merged error: 0b

Counts
52 → 3

localize9.0ms

Local error

Found 4 expressions with local error:

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

rewrite41.0ms

Algorithm
rewrite-expression-head
Rules
54×*-un-lft-identity
36×unpow-prod-down times-frac
31×add-sqr-sqrt add-cube-cbrt
23×cbrt-prod
11×distribute-lft-out
add-exp-log add-cbrt-cube
associate-/r/ add-log-exp
pow1
pow-unpow flip3-+ associate-/r* flip-+
div-inv associate-/l*
cbrt-undiv unpow3 div-exp pow-exp rem-cbrt-cube rem-cube-cbrt sqr-pow
+-commutative pow-to-exp pow-pow frac-2neg pow1/3 clear-num sum-log
Counts
4 → 114
Calls
4 calls:
6.0ms
(+ (exp (* -1 x)) (exp x))
12.0ms
(pow (/ 2.0 (+ (exp (* -1 x)) (exp x))) 3)
8.0ms
(/ 2.0 (+ (exp (* -1 x)) (exp x)))
10.0ms
(cbrt (pow (/ 2.0 (+ (exp (* -1 x)) (exp x))) 3))

series184.0ms

Counts
4 → 12
Calls
4 calls:
21.0ms
(+ (exp (* -1 x)) (exp x))
81.0ms
(pow (/ 2.0 (+ (exp (* -1 x)) (exp x))) 3)
43.0ms
(/ 2.0 (+ (exp (* -1 x)) (exp x)))
39.0ms
(cbrt (pow (/ 2.0 (+ (exp (* -1 x)) (exp x))) 3))

simplify47.0ms

Algorithm
egg-herbie
Counts
126 → 126
Iterations

Useful iterations: 2 (35.0ms)

IterNodesCost
04041131
114891092
250021067

prune235.0ms

Filtered
126 candidates to 83 candidates (65.9%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New1242126
Fresh202
Picked101
Done000
Total1272129

Merged error: 0b

Counts
129 → 2

localize9.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 8.0 (pow (+ (exp (* -1 x)) (exp x)) 3))
0.0b
(+ (exp (* -1 x)) (exp x))
0.0b
(cbrt (/ 8.0 (pow (+ (exp (* -1 x)) (exp x)) 3)))
0.0b
(pow (+ (exp (* -1 x)) (exp x)) 3)

rewrite40.0ms

Algorithm
rewrite-expression-head
Rules
63×*-un-lft-identity
54×times-frac
43×add-sqr-sqrt add-cube-cbrt
36×unpow-prod-down
31×cbrt-prod
18×associate-/r*
15×cbrt-div
10×add-exp-log distribute-lft-out
unpow3 sqr-pow
add-cbrt-cube
associate-/l* add-log-exp
pow1
pow-unpow div-exp
pow-to-exp frac-2neg pow-exp clear-num div-inv
cbrt-undiv +-commutative pow-pow flip3-+ pow1/3 sum-log flip-+ rem-cube-cbrt
Counts
4 → 139
Calls
4 calls:
9.0ms
(/ 8.0 (pow (+ (exp (* -1 x)) (exp x)) 3))
6.0ms
(+ (exp (* -1 x)) (exp x))
10.0ms
(cbrt (/ 8.0 (pow (+ (exp (* -1 x)) (exp x)) 3)))
9.0ms
(pow (+ (exp (* -1 x)) (exp x)) 3)

series224.0ms

Counts
4 → 12
Calls
4 calls:
76.0ms
(/ 8.0 (pow (+ (exp (* -1 x)) (exp x)) 3))
26.0ms
(+ (exp (* -1 x)) (exp x))
67.0ms
(cbrt (/ 8.0 (pow (+ (exp (* -1 x)) (exp x)) 3)))
54.0ms
(pow (+ (exp (* -1 x)) (exp x)) 3)

simplify58.0ms

Algorithm
egg-herbie
Counts
151 → 151
Iterations

Useful iterations: 2 (42.0ms)

IterNodesCost
03891575
114741438
250031419

prune242.0ms

Filtered
151 candidates to 83 candidates (55.0%)
Pruning

2 alts after pruning (1 fresh and 1 done)

PrunedKeptTotal
New1501151
Fresh101
Picked011
Done000
Total1512153

Merged error: 0b

Counts
153 → 2

localize13.0ms

Local error

Found 3 expressions with local error:

0.1b
(* 5/48 (pow x 4))
0.2b
(* 1/4 (pow x 2))
11.6b
(- (* 5/48 (pow x 4)) (* 1/4 (pow x 2)))

rewrite43.0ms

Algorithm
rewrite-expression-head
Rules
78×add-sqr-sqrt
38×unswap-sqr
20×difference-of-squares
17×unpow-prod-down *-un-lft-identity
15×associate-*r*
13×add-exp-log sqr-pow
10×associate-*l*
add-cube-cbrt
pow1 add-cbrt-cube
prod-exp unpow2
add-log-exp
distribute-lft-out--
pow-to-exp pow-prod-down pow-exp *-commutative cbrt-unprod
sub-neg flip3-- diff-log flip--
Counts
3 → 90
Calls
3 calls:
6.0ms
(* 5/48 (pow x 4))
7.0ms
(* 1/4 (pow x 2))
27.0ms
(- (* 5/48 (pow x 4)) (* 1/4 (pow x 2)))

series183.0ms

Counts
3 → 9
Calls
3 calls:
39.0ms
(* 5/48 (pow x 4))
31.0ms
(* 1/4 (pow x 2))
113.0ms
(- (* 5/48 (pow x 4)) (* 1/4 (pow x 2)))

simplify48.0ms

Algorithm
egg-herbie
Counts
99 → 99
Iterations

Useful iterations: 2 (38.0ms)

IterNodesCost
0328634
11086579
25001565

prune173.0ms

Filtered
99 candidates to 54 candidates (54.5%)
Pruning

2 alts after pruning (0 fresh and 2 done)

PrunedKeptTotal
New99099
Fresh000
Picked011
Done011
Total992101

Merged error: 0b

Counts
101 → 2

regimes13.0ms

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

sample268.0ms

Algorithm
intervals
Results
177.0ms8000×body80valid