Details

Time bar (total: 12.9s)

sample207.0ms

Algorithm
intervals
Results
66.0ms133×body1280valid
41.0ms60×body1280nan
20.0ms50×body640nan
18.0ms51×body640valid
14.0ms28×body10240exit
8.0ms187×body80nan
7.0ms30×body320nan
6.0ms24×body320valid
4.0ms93×body80valid
2.0ms14×body160nan
2.0ms13×body160valid

simplify34.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0176
1346
2806
32366
48686
550016

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: 32.4b

Counts
2 → 1

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(pow x (/ 1.0 n))
1.9b
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

rewrite15.0ms

Algorithm
rewrite-expression-head
Rules
22×add-sqr-sqrt
17×*-un-lft-identity
13×unpow-prod-down pow-unpow
10×add-cube-cbrt
times-frac difference-of-squares
sqr-pow
add-log-exp
pow1 add-exp-log distribute-lft-out--
add-cbrt-cube
pow-to-exp sub-neg flip3-- pow-pow diff-log pow-exp flip-- div-inv distribute-lft-out
Counts
2 → 51
Calls
2 calls:
3.0ms
(pow x (/ 1.0 n))
9.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

series329.0ms

Counts
2 → 6
Calls
2 calls:
61.0ms
(pow x (/ 1.0 n))
268.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

simplify40.0ms

Algorithm
egg-herbie
Counts
57 → 57
Iterations

Useful iterations: 2 (33.0ms)

IterNodesCost
0404475
11391461
25001449

prune155.0ms

Filtered
57 candidates to 46 candidates (80.7%)
Pruning

3 alts after pruning (3 fresh and 0 done)

PrunedKeptTotal
New54357
Fresh000
Picked101
Done000
Total55358

Merged error: 21.6b

Counts
58 → 3

localize11.0ms

Local error

Found 3 expressions with local error:

0.0b
(pow x (/ 1.0 n))
1.8b
(log (exp (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))))
1.9b
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

rewrite31.0ms

Algorithm
rewrite-expression-head
Rules
37×add-sqr-sqrt
27×*-un-lft-identity
23×unpow-prod-down
18×difference-of-squares
16×log-pow
15×exp-prod
13×add-cube-cbrt pow-unpow sqr-pow
times-frac
distribute-lft-out--
pow1 log-prod add-log-exp
add-exp-log
add-cbrt-cube
sub-neg exp-sum distribute-lft-out
pow-to-exp log-div flip3-- pow-pow exp-diff diff-log rem-log-exp pow-exp flip-- div-inv
Counts
3 → 81
Calls
3 calls:
4.0ms
(pow x (/ 1.0 n))
11.0ms
(log (exp (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))))
10.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

series612.0ms

Counts
3 → 9
Calls
3 calls:
61.0ms
(pow x (/ 1.0 n))
276.0ms
(log (exp (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))))
275.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

simplify45.0ms

Algorithm
egg-herbie
Counts
90 → 90
Iterations

Useful iterations: 2 (35.0ms)

IterNodesCost
0469758
11549722
25001703

prune258.0ms

Filtered
90 candidates to 71 candidates (78.9%)
Pruning

4 alts after pruning (3 fresh and 1 done)

PrunedKeptTotal
New89190
Fresh022
Picked011
Done000
Total89493

Merged error: 21.6b

Counts
93 → 4

localize15.0ms

Local error

Found 4 expressions with local error:

1.9b
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
1.9b
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
1.9b
(log (cbrt (exp (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n))))))
1.9b
(log (cbrt (exp (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n))))))

rewrite44.0ms

Algorithm
rewrite-expression-head
Rules
32×add-sqr-sqrt
22×*-un-lft-identity
20×unpow-prod-down
18×difference-of-squares
16×log-prod
12×sqr-pow
10×cbrt-prod
add-cube-cbrt add-log-exp
pow1 add-exp-log distribute-lft-out--
sub-neg exp-sum log-pow add-cbrt-cube
log-div cbrt-div flip3-- exp-diff pow1/3 diff-log rem-log-exp flip-- distribute-lft-out
Counts
4 → 86
Calls
4 calls:
10.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
10.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
10.0ms
(log (cbrt (exp (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n))))))
10.0ms
(log (cbrt (exp (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n))))))

series1.5s

Counts
4 → 12
Calls
4 calls:
281.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
277.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
455.0ms
(log (cbrt (exp (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n))))))
457.0ms
(log (cbrt (exp (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n))))))

simplify106.0ms

Algorithm
egg-herbie
Counts
98 → 98
Iterations

Useful iterations: 2 (23.0ms)

IterNodesCost
03001278
18051194
237131170
350011170

prune443.0ms

Filtered
98 candidates to 82 candidates (83.7%)
Pruning

5 alts after pruning (4 fresh and 1 done)

PrunedKeptTotal
New96298
Fresh022
Picked101
Done011
Total975102

Merged error: 21.4b

Counts
102 → 5

localize18.0ms

Local error

Found 4 expressions with local error:

1.9b
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
1.9b
(log (cbrt (exp (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n))))))
1.9b
(log (cbrt (exp (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n))))))
1.9b
(log (cbrt (exp (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n))))))

rewrite47.0ms

Algorithm
rewrite-expression-head
Rules
24×log-prod
22×add-sqr-sqrt
17×*-un-lft-identity
15×cbrt-prod
10×add-cube-cbrt unpow-prod-down
difference-of-squares
pow1 add-exp-log
exp-sum log-pow add-log-exp sqr-pow
sub-neg add-cbrt-cube
log-div cbrt-div exp-diff pow1/3 rem-log-exp distribute-lft-out--
flip3-- diff-log flip-- distribute-lft-out
Counts
4 → 81
Calls
4 calls:
13.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
10.0ms
(log (cbrt (exp (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n))))))
10.0ms
(log (cbrt (exp (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n))))))
10.0ms
(log (cbrt (exp (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n))))))

series1.6s

Counts
4 → 12
Calls
4 calls:
285.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
449.0ms
(log (cbrt (exp (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n))))))
445.0ms
(log (cbrt (exp (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n))))))
449.0ms
(log (cbrt (exp (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n))))))

simplify109.0ms

Algorithm
egg-herbie
Counts
93 → 93
Iterations

Useful iterations: 2 (24.0ms)

IterNodesCost
03001265
18051165
237131141
350011141

prune440.0ms

Filtered
93 candidates to 77 candidates (82.8%)
Pruning

4 alts after pruning (3 fresh and 1 done)

PrunedKeptTotal
New92193
Fresh123
Picked101
Done011
Total94498

Merged error: 21.4b

Counts
98 → 4

regimes160.0ms

Accuracy

83.3% (1.8b remaining)

Error of 23.4b against oracle of 21.6b and baseline of 32.2b

bsearch1.0ms

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
04238
14238

end0.0ms

sample6.7s

Algorithm
intervals
Results
1.9s3926×body1280valid
1.3s2181×body1280nan
739.0ms1799×body640nan
633.0ms1410×body10240exit
614.0ms1762×body640valid
277.0ms6260×body80nan
219.0ms868×body320nan
191.0ms861×body320valid
163.0ms3228×body80valid
67.0ms462×body160valid
64.0ms430×body160nan