Details

Time bar (total: 1.0s)

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

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.0b

localize6.0ms

Local error

Found 1 expressions with local error:

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

rewrite7.0ms

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))))

series39.0ms

Counts
1 → 3
Calls
1 calls:
38.0ms
(/ 2.0 (+ (exp x) (exp (- x))))

simplify76.0ms

Algorithm
egg-herbie
Counts
38 → 38
Iterations

Useful iterations: 2 (15.0ms)

IterNodesCost
0167323
1568300
22220299
35001299

prune80.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b
(* 0.5 (pow x 2))
13.4b
(fma (pow x 4) 0.20833333333333334 (- 1.0 (* 0.5 (pow x 2))))

rewrite7.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt
associate-*r*
add-exp-log
add-cube-cbrt *-un-lft-identity
unpow-prod-down add-cbrt-cube unswap-sqr
associate-*l* prod-exp
pow1 expm1-log1p-u log1p-expm1-u unpow2 add-log-exp sqr-pow
pow-to-exp pow-exp *-commutative cbrt-unprod fma-udef
Counts
2 → 39
Calls
2 calls:
5.0ms
(* 0.5 (pow x 2))
1.0ms
(fma (pow x 4) 0.20833333333333334 (- 1.0 (* 0.5 (pow x 2))))

series71.0ms

Counts
2 → 6
Calls
2 calls:
24.0ms
(* 0.5 (pow x 2))
47.0ms
(fma (pow x 4) 0.20833333333333334 (- 1.0 (* 0.5 (pow x 2))))

simplify103.0ms

Algorithm
egg-herbie
Counts
45 → 45
Iterations

Useful iterations: 3 (99.0ms)

IterNodesCost
0139197
1528171
22719171
35001170

prune97.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0b

regimes43.0ms

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
177.0ms8000×body80valid