Details

Time bar (total: 1.2s)

sample12.0ms

Algorithm
intervals
Results
6.0ms256×body80valid

simplify213.0ms

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:
7.0ms
(/ 2.0 (+ (exp x) (exp (- x))))

series41.0ms

Counts
1 → 3
Calls
1 calls:
41.0ms
(/ 2.0 (+ (exp x) (exp (- x))))

simplify72.0ms

Algorithm
egg-herbie
Counts
38 → 38
Iterations

Useful iterations: 2 (15.0ms)

IterNodesCost
0167323
1568300
22220299
35001299

prune65.0ms

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

rewrite27.0ms

Algorithm
rewrite-expression-head
Rules
49×*-un-lft-identity
36×exp-prod times-frac
29×add-sqr-sqrt add-cube-cbrt
19×log-pow
10×distribute-lft-out
associate-/r/
add-exp-log add-cbrt-cube
pow1 associate-/r* add-log-exp
expm1-log1p-u log-prod flip3-+ flip-+ log1p-expm1-u div-inv associate-/l*
cbrt-undiv frac-2neg div-exp rem-log-exp clear-num rem-exp-log
Counts
3 → 95
Calls
3 calls:
7.0ms
(/ 2.0 (+ (exp x) (exp (- x))))
8.0ms
(exp (/ 2.0 (+ (exp x) (exp (- x)))))
9.0ms
(log (exp (/ 2.0 (+ (exp x) (exp (- x))))))

series156.0ms

Counts
3 → 9
Calls
3 calls:
37.0ms
(/ 2.0 (+ (exp x) (exp (- x))))
76.0ms
(exp (/ 2.0 (+ (exp x) (exp (- x)))))
42.0ms
(log (exp (/ 2.0 (+ (exp x) (exp (- x))))))

simplify88.0ms

Algorithm
egg-herbie
Counts
104 → 104
Iterations

Useful iterations: 3 (79.0ms)

IterNodesCost
0249797
1725740
22577735
35001732

prune196.0ms

Filtered
104 candidates to 76 candidates (73.1%)
Pruning

2 alts after pruning (0 fresh and 2 done)

PrunedKeptTotal
New1040104
Fresh000
Picked011
Done011
Total1042106

Merged error: 0b

Counts
106 → 2

regimes42.0ms

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

sample265.0ms

Algorithm
intervals
Results
178.0ms8000×body80valid