Details

Time bar (total: 1.2s)

sample14.0ms

Algorithm
intervals
Results
7.0ms256×body80valid

simplify220.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0105
1125
2145
3155
4205
5415
6665
71655
811235
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 1 expressions with local error:

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

rewrite8.0ms

Algorithm
rewrite-expression-head
Rules
18×*-un-lft-identity
12×times-frac
10×add-sqr-sqrt add-cube-cbrt
associate-/r* distribute-lft-out
add-exp-log add-cbrt-cube associate-/l*
associate-/r/
pow1 cbrt-undiv expm1-log1p-u frac-2neg flip3-+ div-exp clear-num flip-+ log1p-expm1-u div-inv add-log-exp
Counts
1 → 35
Calls
1 calls:
6.0ms
(/ 2.0 (+ (exp x) (exp (- x))))

series42.0ms

Counts
1 → 3
Calls
1 calls:
42.0ms
(/ 2.0 (+ (exp x) (exp (- x))))

simplify71.0ms

Algorithm
egg-herbie
Counts
38 → 38
Iterations

Useful iterations: 2 (15.0ms)

IterNodesCost
0167323
1568300
22220299
35001299

prune64.0ms

Filtered
38 candidates to 29 candidates (76.3%)
Pruning

2 alts after pruning (1 fresh and 1 done)

PrunedKeptTotal
New37138
Fresh000
Picked011
Done000
Total37239

Merged error: 0b

Counts
39 → 2

localize9.0ms

Local error

Found 3 expressions with local error:

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

rewrite29.0ms

Algorithm
rewrite-expression-head
Rules
78×*-un-lft-identity
60×times-frac
46×add-sqr-sqrt add-cube-cbrt
42×cbrt-prod
36×unpow-prod-down cube-prod
16×distribute-lft-out
10×associate-/r/
add-exp-log add-cbrt-cube
flip3-+ flip-+ div-inv
pow1 associate-/r*
expm1-log1p-u pow-unpow log1p-expm1-u associate-/l* add-log-exp
cbrt-undiv cube-div cube-mult unpow3 div-exp pow-exp rem-cube-cbrt sqr-pow
pow-to-exp cbrt-div pow-pow frac-2neg pow1/3 clear-num rem-cbrt-cube
Counts
3 → 147
Calls
3 calls:
6.0ms
(/ 2.0 (+ (exp (* -1 x)) (exp x)))
9.0ms
(cbrt (pow (/ 2.0 (+ (exp (* -1 x)) (exp x))) 3))
8.0ms
(pow (/ 2.0 (+ (exp (* -1 x)) (exp x))) 3)

series144.0ms

Counts
3 → 9
Calls
3 calls:
37.0ms
(/ 2.0 (+ (exp (* -1 x)) (exp x)))
35.0ms
(cbrt (pow (/ 2.0 (+ (exp (* -1 x)) (exp x))) 3))
73.0ms
(pow (/ 2.0 (+ (exp (* -1 x)) (exp x))) 3)

simplify62.0ms

Algorithm
egg-herbie
Counts
156 → 156
Iterations

Useful iterations: 2 (45.0ms)

IterNodesCost
04581568
119971458
250021442

prune203.0ms

Filtered
156 candidates to 78 candidates (50.0%)
Pruning

2 alts after pruning (0 fresh and 2 done)

PrunedKeptTotal
New1560156
Fresh000
Picked011
Done011
Total1562158

Merged error: 0b

Counts
158 → 2

regimes41.0ms

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
085
185

end0.0ms

sample311.0ms

Algorithm
intervals
Results
220.0ms8000×body80valid