Details

Time bar (total: 941.0ms)

sample12.0ms

Algorithm
intervals
Results
6.0ms256×body80valid

simplify217.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0105
1125
2145
3155
4205
5415
6665
71655
811215
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

localize6.0ms

Local error

Found 1 expressions with local error:

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

rewrite4.0ms

Algorithm
rewrite-expression-head
Rules
associate-/r/
frac-2neg flip3-+ clear-num flip-+ div-inv
Counts
1 → 5
Calls
1 calls:
3.0ms
(/ 2.0 (+ (exp x) (exp (- x))))

series42.0ms

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

simplify155.0ms

Algorithm
egg-herbie
Counts
8 → 8
Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
08049
121148
270348
3376848
4500248

prune19.0ms

Filtered
8 candidates to 7 candidates (87.5%)
Pruning

2 alts after pruning (1 fresh and 1 done)

PrunedKeptTotal
New718
Fresh000
Picked011
Done000
Total729

Merged error: 0b

Counts
9 → 2

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b
(* 0.5 (pow x 2))
12.6b
(fma (pow x 4) 0.20833333333333334 (- 1.0 (* 0.5 (pow x 2))))

rewrite4.0ms

Algorithm
rewrite-expression-head
Rules
associate-*r*
*-commutative fma-udef unpow2 sqr-pow
Counts
2 → 4
Calls
2 calls:
3.0ms
(* 0.5 (pow x 2))
1.0ms
(fma (pow x 4) 0.20833333333333334 (- 1.0 (* 0.5 (pow x 2))))

series73.0ms

Counts
2 → 6
Calls
2 calls:
25.0ms
(* 0.5 (pow x 2))
48.0ms
(fma (pow x 4) 0.20833333333333334 (- 1.0 (* 0.5 (pow x 2))))

simplify69.0ms

Algorithm
egg-herbie
Counts
10 → 10
Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
03728
110525
234125
3165425
4500125

prune13.0ms

Filtered
10 candidates to 5 candidates (50.0%)
Pruning

2 alts after pruning (0 fresh and 2 done)

PrunedKeptTotal
New10010
Fresh000
Picked011
Done011
Total10212

Merged error: 0b

Counts
12 → 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

sample274.0ms

Algorithm
intervals
Results
181.0ms8000×body80valid