Details

Time bar (total: 1.2s)

sample13.0ms

Algorithm
intervals
Results
7.0ms256×body80valid

simplify213.0ms

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

localize9.0ms

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))))

series61.0ms

Counts
2 → 6
Calls
2 calls:
22.0ms
(+ (exp x) (exp (- x)))
39.0ms
(/ 2.0 (+ (exp x) (exp (- x))))

simplify136.0ms

Algorithm
egg-herbie
Counts
51 → 51
Iterations

Useful iterations: 3 (125.0ms)

IterNodesCost
0191411
1633377
23009375
35002374

prune91.0ms

Filtered
51 candidates to 39 candidates (76.5%)
Pruning

2 alts after pruning (1 fresh and 1 done)

PrunedKeptTotal
New50151
Fresh000
Picked011
Done000
Total50252

Merged error: 0b

Counts
52 → 2

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(* 0.5 (pow x 2))
0.1b
(* 0.20833333333333334 (pow x 4))
12.0b
(- (+ (* 0.20833333333333334 (pow x 4)) 1.0) (* 0.5 (pow x 2)))

rewrite19.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt
15×associate-*r*
13×add-exp-log
add-cube-cbrt *-un-lft-identity
unpow-prod-down add-log-exp
add-cbrt-cube unswap-sqr
associate-*l* prod-exp
sqr-pow
pow1
pow-to-exp diff-log pow-exp *-commutative cbrt-unprod unpow2
sub-neg flip3-- associate--l+ sum-log flip--
Counts
3 → 66
Calls
3 calls:
5.0ms
(* 0.5 (pow x 2))
5.0ms
(* 0.20833333333333334 (pow x 4))
7.0ms
(- (+ (* 0.20833333333333334 (pow x 4)) 1.0) (* 0.5 (pow x 2)))

series115.0ms

Counts
3 → 9
Calls
3 calls:
30.0ms
(* 0.5 (pow x 2))
36.0ms
(* 0.20833333333333334 (pow x 4))
49.0ms
(- (+ (* 0.20833333333333334 (pow x 4)) 1.0) (* 0.5 (pow x 2)))

simplify38.0ms

Algorithm
egg-herbie
Counts
75 → 75
Iterations

Useful iterations: 2 (33.0ms)

IterNodesCost
0268352
11102317
25002314

prune112.0ms

Filtered
75 candidates to 46 candidates (61.3%)
Pruning

2 alts after pruning (0 fresh and 2 done)

PrunedKeptTotal
New75075
Fresh000
Picked011
Done011
Total75277

Merged error: 0b

Counts
77 → 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