Details

Time bar (total: 3.4s)

sample255.0ms

Algorithm
intervals
Results
6.0ms256×body80valid

simplify16.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0134
1164
2204
3264
4314
5334
6334

prune3.0ms

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

localize8.0ms

Local error

Found 1 expressions with local error:

0.0b
(/ (- (+ f n)) (- f n))

rewrite18.0ms

Algorithm
rewrite-expression-head
Rules
82×*-un-lft-identity
60×times-frac
58×add-sqr-sqrt
32×add-cube-cbrt
24×distribute-lft-neg-in distribute-rgt-neg-in
13×distribute-lft-out-- difference-of-squares
12×distribute-lft-out associate-/l*
neg-mul-1
associate-/r*
add-exp-log add-cbrt-cube
associate-/r/ associate-/l/ distribute-neg-frac
pow1 cbrt-undiv neg-sub0 flip3-- frac-2neg flip3-+ div-sub distribute-frac-neg div-exp clear-num flip-- flip-+ div-inv add-log-exp
Counts
1 → 95
Calls
1 calls:
12.0ms
(/ (- (+ f n)) (- f n))

series87.0ms

Counts
1 → 3
Calls
1 calls:
87.0ms
(/ (- (+ f n)) (- f n))

simplify69.0ms

Algorithm
egg-herbie
Counts
98 → 98
Iterations

Useful iterations: 2 (22.0ms)

IterNodesCost
0288764
1915748
22934733
35002733

prune132.0ms

Filtered
98 candidates to 60 candidates (61.2%)
Pruning

5 alts after pruning (4 fresh and 1 done)

PrunedKeptTotal
New94498
Fresh000
Picked011
Done000
Total94599

Merged error: 0b

Counts
99 → 5

localize6.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ -1 (/ (- f n) (+ f n)))
0.0b
(/ (- f n) (+ f n))

rewrite32.0ms

Algorithm
rewrite-expression-head
Rules
178×times-frac
174×*-un-lft-identity
122×add-sqr-sqrt
80×add-cube-cbrt
30×associate-/r*
26×distribute-lft-out
21×distribute-lft-out-- difference-of-squares
11×associate-/r/
add-exp-log add-cbrt-cube
associate-/l*
div-inv
flip3-+ flip-+
cbrt-undiv div-exp
pow1 frac-2neg clear-num associate-/l/ add-log-exp
flip3-- div-sub flip--
Counts
2 → 168
Calls
2 calls:
14.0ms
(/ -1 (/ (- f n) (+ f n)))
8.0ms
(/ (- f n) (+ f n))

series129.0ms

Counts
2 → 6
Calls
2 calls:
66.0ms
(/ -1 (/ (- f n) (+ f n)))
62.0ms
(/ (- f n) (+ f n))

simplify78.0ms

Algorithm
egg-herbie
Counts
174 → 174
Iterations

Useful iterations: 2 (59.0ms)

IterNodesCost
05231449
125451405
250011287

prune196.0ms

Filtered
174 candidates to 97 candidates (55.7%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New1722174
Fresh303
Picked101
Done101
Total1772179

Merged error: 0b

Counts
179 → 2

localize7.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1 (/ (+ f n) (- f n)))
0.0b
(/ -1 (/ 1 (/ (+ f n) (- f n))))
0.0b
(/ (+ f n) (- f n))

rewrite88.0ms

Algorithm
rewrite-expression-head
Rules
979×times-frac
703×*-un-lft-identity
531×add-sqr-sqrt
393×add-cube-cbrt
114×associate-/r*
86×distribute-lft-out
69×distribute-lft-out-- difference-of-squares
40×associate-/r/
35×add-exp-log
23×div-inv
22×div-exp
19×add-cbrt-cube
17×flip3-- flip--
10×cbrt-undiv associate-/l*
pow1 rec-exp 1-exp
frac-2neg clear-num add-log-exp
associate-/l/
pow-flip flip3-+ flip-+ inv-pow
Counts
3 → 529
Calls
3 calls:
12.0ms
(/ 1 (/ (+ f n) (- f n)))
23.0ms
(/ -1 (/ 1 (/ (+ f n) (- f n))))
8.0ms
(/ (+ f n) (- f n))

series192.0ms

Counts
3 → 9
Calls
3 calls:
61.0ms
(/ 1 (/ (+ f n) (- f n)))
65.0ms
(/ -1 (/ 1 (/ (+ f n) (- f n))))
66.0ms
(/ (+ f n) (- f n))

simplify96.0ms

Algorithm
egg-herbie
Counts
538 → 538
Iterations

Useful iterations: 1 (36.0ms)

IterNodesCost
014035968
150015334

prune619.0ms

Filtered
538 candidates to 269 candidates (50.0%)
Pruning

2 alts after pruning (1 fresh and 1 done)

PrunedKeptTotal
New5380538
Fresh011
Picked011
Done000
Total5382540

Merged error: 0b

Counts
540 → 2

localize9.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ -1 (/ (- f n) (+ f n)))
0.0b
(pow (/ -1 (/ (- f n) (+ f n))) 3)
0.0b
(cbrt (pow (/ -1 (/ (- f n) (+ f n))) 3))
0.0b
(/ (- f n) (+ f n))

rewrite108.0ms

Algorithm
rewrite-expression-head
Rules
730×times-frac
622×*-un-lft-identity
450×add-sqr-sqrt
312×add-cube-cbrt
172×cbrt-prod
166×unpow-prod-down cube-prod
86×distribute-lft-out
69×distribute-lft-out-- difference-of-squares
39×associate-/r/
30×associate-/r*
22×div-inv
17×add-exp-log flip3-+ add-cbrt-cube flip-+
associate-/l*
cbrt-undiv div-exp
pow1
add-log-exp
pow-unpow pow-exp rem-cube-cbrt
cube-div cube-mult frac-2neg unpow3 clear-num associate-/l/ sqr-pow
pow-to-exp cbrt-div flip3-- pow-pow pow1/3 div-sub flip-- rem-cbrt-cube
Counts
4 → 538
Calls
4 calls:
12.0ms
(/ -1 (/ (- f n) (+ f n)))
24.0ms
(pow (/ -1 (/ (- f n) (+ f n))) 3)
25.0ms
(cbrt (pow (/ -1 (/ (- f n) (+ f n))) 3))
8.0ms
(/ (- f n) (+ f n))

series315.0ms

Counts
4 → 12
Calls
4 calls:
65.0ms
(/ -1 (/ (- f n) (+ f n)))
75.0ms
(pow (/ -1 (/ (- f n) (+ f n))) 3)
108.0ms
(cbrt (pow (/ -1 (/ (- f n) (+ f n))) 3))
67.0ms
(/ (- f n) (+ f n))

simplify97.0ms

Algorithm
egg-herbie
Counts
550 → 550
Iterations

Useful iterations: 1 (31.0ms)

IterNodesCost
014645323
150025133

prune501.0ms

Filtered
550 candidates to 196 candidates (35.6%)
Pruning

2 alts after pruning (0 fresh and 2 done)

PrunedKeptTotal
New5500550
Fresh000
Picked011
Done011
Total5502552

Merged error: 0b

Counts
552 → 2

regimes25.0ms

Accuracy

0% (0.0b remaining)

Error of 0.0b against oracle of 0.0b and baseline of 0.0b

bsearch0.0ms

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0125
1125

end0.0ms

sample286.0ms

Algorithm
intervals
Results
162.0ms8000×body80valid