Details

Time bar (total: 3.7s)

sample281.0ms

Algorithm
intervals
Results
8.0ms256×body80valid

simplify16.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (2.0ms)

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))

series91.0ms

Counts
1 → 3
Calls
1 calls:
91.0ms
(/ (- (+ f n)) (- f n))

simplify67.0ms

Algorithm
egg-herbie
Counts
98 → 98
Iterations

Useful iterations: 2 (21.0ms)

IterNodesCost
0288764
1915748
22934733
35002733

prune131.0ms

Filtered
98 candidates to 60 candidates (61.2%)
Pruning

4 alts after pruning (4 fresh and 0 done)

PrunedKeptTotal
New94498
Fresh000
Picked101
Done000
Total95499

Merged error: 0b

Counts
99 → 4

localize6.0ms

Local error

Found 2 expressions with local error:

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

rewrite30.0ms

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)))
7.0ms
(/ (- f n) (+ f n))

series128.0ms

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

simplify75.0ms

Algorithm
egg-herbie
Counts
174 → 174
Iterations

Useful iterations: 2 (56.0ms)

IterNodesCost
05231449
125451405
250011287

prune196.0ms

Filtered
174 candidates to 97 candidates (55.7%)
Pruning

4 alts after pruning (3 fresh and 1 done)

PrunedKeptTotal
New1740174
Fresh033
Picked011
Done000
Total1744178

Merged error: 0b

Counts
178 → 4

localize9.0ms

Local error

Found 4 expressions with local error:

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

rewrite162.0ms

Algorithm
rewrite-expression-head
Rules
889×*-un-lft-identity
586×times-frac
471×add-sqr-sqrt
436×cbrt-prod
241×add-cube-cbrt
224×distribute-rgt-neg-in
196×distribute-lft-neg-in
149×swap-sqr
143×distribute-lft-out--
126×distribute-lft-out
103×difference-of-squares
69×associate-*r* associate-*l*
42×neg-mul-1
36×associate-/l*
15×associate-/r*
14×associate-/r/
12×add-exp-log
11×pow1
10×add-cbrt-cube
unswap-sqr
flip3-- flip-- div-inv
pow1/3 associate-/l/ distribute-neg-frac
cbrt-div add-log-exp
cbrt-undiv neg-sub0 frac-2neg flip3-+ div-sub distribute-frac-neg div-exp clear-num flip-+
pow-prod-down pow-sqr pow-prod-up
pow2 frac-times pow-plus associate-*r/ associate-*l/ prod-exp *-commutative cbrt-unprod
Counts
4 → 602
Calls
4 calls:
85.0ms
(* (cbrt (/ (- (+ f n)) (- f n))) (cbrt (/ (- (+ f n)) (- f n))))
9.0ms
(/ (- (+ f n)) (- f n))
9.0ms
(/ (- (+ f n)) (- f n))
9.0ms
(/ (- (+ f n)) (- f n))

series366.0ms

Counts
4 → 12
Calls
4 calls:
168.0ms
(* (cbrt (/ (- (+ f n)) (- f n))) (cbrt (/ (- (+ f n)) (- f n))))
63.0ms
(/ (- (+ f n)) (- f n))
64.0ms
(/ (- (+ f n)) (- f n))
70.0ms
(/ (- (+ f n)) (- f n))

simplify127.0ms

Algorithm
egg-herbie
Counts
614 → 614
Iterations

Useful iterations: 2 (58.0ms)

IterNodesCost
06417670
123647572
250017059

prune950.0ms

Filtered
614 candidates to 318 candidates (51.8%)
Pruning

4 alts after pruning (2 fresh and 2 done)

PrunedKeptTotal
New6140614
Fresh022
Picked011
Done011
Total6144618

Merged error: 0b

Counts
618 → 4

localize7.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (+ f n))
0.0b
(sqrt (+ f n))
0.1b
(/ (sqrt (+ f n)) (- f n))
0.1b
(* (- (sqrt (+ f n))) (/ (sqrt (+ f n)) (- f n)))

rewrite52.0ms

Algorithm
rewrite-expression-head
Rules
109×*-un-lft-identity
89×add-sqr-sqrt
72×times-frac
61×sqrt-prod
49×add-cube-cbrt
41×associate-*r*
18×associate-*l*
15×distribute-lft-out distribute-lft-out-- difference-of-squares
11×add-exp-log add-cbrt-cube
10×sqrt-div
pow1
distribute-lft-neg-in distribute-rgt-neg-in associate-/l*
flip3-+ associate-/r* flip-+
associate-/r/ distribute-neg-frac add-log-exp
unswap-sqr
cbrt-undiv frac-times rem-sqrt-square flip3-- sqrt-pow1 pow1/2 div-exp associate-*l/ prod-exp flip-- cbrt-unprod div-inv associate-/l/
distribute-lft-neg-out neg-mul-1 frac-2neg associate-*r/ pow-prod-down clear-num *-commutative
Counts
4 → 176
Calls
4 calls:
3.0ms
(sqrt (+ f n))
3.0ms
(sqrt (+ f n))
8.0ms
(/ (sqrt (+ f n)) (- f n))
30.0ms
(* (- (sqrt (+ f n))) (/ (sqrt (+ f n)) (- f n)))

series219.0ms

Counts
4 → 12
Calls
4 calls:
34.0ms
(sqrt (+ f n))
34.0ms
(sqrt (+ f n))
73.0ms
(/ (sqrt (+ f n)) (- f n))
77.0ms
(* (- (sqrt (+ f n))) (/ (sqrt (+ f n)) (- f n)))

simplify71.0ms

Algorithm
egg-herbie
Counts
188 → 188
Iterations

Useful iterations: 2 (56.0ms)

IterNodesCost
05291458
123781360
250011326

prune280.0ms

Filtered
188 candidates to 120 candidates (63.8%)
Pruning

4 alts after pruning (1 fresh and 3 done)

PrunedKeptTotal
New1880188
Fresh011
Picked011
Done022
Total1884192

Merged error: 0b

Counts
192 → 4

regimes51.0ms

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
084
184

end0.0ms

sample318.0ms

Algorithm
intervals
Results
193.0ms8000×body80valid