Details

Time bar (total: 17.6s)

sample256.0ms

Algorithm
intervals
Results
74.0ms147×body1280valid
55.0ms97×body1280nan
32.0ms48×body10240exit
27.0ms62×body640nan
17.0ms50×body640valid
11.0ms24×body320nan
8.0ms186×body80nan
5.0ms23×body320valid
5.0ms83×body80valid
2.0ms13×body160nan
2.0ms13×body160valid

simplify35.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0176
1356
2856
32496
49116
550016

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 29.3b

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b
(pow (+ x 1.0) (/ 1.0 n))
1.1b
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

rewrite21.0ms

Algorithm
rewrite-expression-head
Rules
70×unpow-prod-down
67×*-un-lft-identity
56×prod-diff
54×add-sqr-sqrt
42×add-cube-cbrt
23×sqr-pow
13×pow-unpow
10×distribute-lft-out
times-frac difference-of-squares
fma-neg
add-log-exp
pow1 add-exp-log distribute-lft-out--
expm1-log1p-u add-cbrt-cube log1p-expm1-u
pow-to-exp sub-neg flip3-- pow-pow diff-log pow-exp flip-- div-inv
Counts
2 → 120
Calls
2 calls:
5.0ms
(pow (+ x 1.0) (/ 1.0 n))
10.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

series411.0ms

Counts
2 → 6
Calls
2 calls:
138.0ms
(pow (+ x 1.0) (/ 1.0 n))
272.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

simplify58.0ms

Algorithm
egg-herbie
Counts
126 → 126
Iterations

Useful iterations: 2 (41.0ms)

IterNodesCost
05422011
116941489
250011488

prune248.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 20.8b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(pow (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n))) 3)
0.0b
(cbrt (pow (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n))) 3))
0.0b
(pow (+ x 1.0) (/ 1.0 n))
1.1b
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

rewrite47.0ms

Algorithm
rewrite-expression-head
Rules
140×unpow-prod-down
110×add-sqr-sqrt
103×*-un-lft-identity
56×prod-diff
50×add-cube-cbrt
49×sqr-pow
45×difference-of-squares
36×cbrt-prod
30×cube-prod
16×pow-unpow
15×distribute-lft-out--
14×distribute-lft-out
times-frac
fma-neg
pow1 add-exp-log add-log-exp
add-cbrt-cube
cube-div expm1-log1p-u log1p-expm1-u
flip3-- flip--
cube-mult pow-to-exp cbrt-div pow-pow unpow3 pow-exp
sub-neg pow1/3 diff-log rem-cbrt-cube div-inv rem-cube-cbrt
Counts
4 → 220
Calls
4 calls:
10.0ms
(pow (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n))) 3)
11.0ms
(cbrt (pow (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n))) 3))
5.0ms
(pow (+ x 1.0) (/ 1.0 n))
11.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

series1.1s

Counts
4 → 12
Calls
4 calls:
436.0ms
(pow (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n))) 3)
267.0ms
(cbrt (pow (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n))) 3))
137.0ms
(pow (+ x 1.0) (/ 1.0 n))
269.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

simplify98.0ms

Algorithm
egg-herbie
Counts
232 → 232
Iterations

Useful iterations: 2 (68.0ms)

IterNodesCost
08703374
134592816
250012808

prune489.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 20.8b

localize15.0ms

Local error

Found 4 expressions with local error:

0.0b
(pow (+ x 1.0) (/ 1.0 n))
0.0b
(exp (log (pow (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n))) 3)))
0.2b
(log (pow (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n))) 3))
1.1b
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

rewrite55.0ms

Algorithm
rewrite-expression-head
Rules
140×unpow-prod-down
111×add-sqr-sqrt
104×*-un-lft-identity
72×log-prod
56×prod-diff
51×add-cube-cbrt
49×sqr-pow
45×difference-of-squares
36×exp-sum
30×cube-prod
15×distribute-lft-out--
14×distribute-lft-out
13×pow-unpow
times-frac
fma-neg
add-exp-log
add-log-exp
pow1
cube-div expm1-log1p-u log-div exp-prod add-cbrt-cube log1p-expm1-u
flip3-- rem-log-exp flip--
cube-mult pow-to-exp exp-diff unpow3 pow-exp log-pow
sub-neg pow-pow diff-log div-inv rem-exp-log
Counts
4 → 223
Calls
4 calls:
5.0ms
(pow (+ x 1.0) (/ 1.0 n))
13.0ms
(exp (log (pow (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n))) 3)))
12.0ms
(log (pow (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n))) 3))
14.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

series3.1s

Counts
4 → 12
Calls
4 calls:
151.0ms
(pow (+ x 1.0) (/ 1.0 n))
456.0ms
(exp (log (pow (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n))) 3)))
2.3s
(log (pow (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n))) 3))
270.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

simplify105.0ms

Algorithm
egg-herbie
Counts
235 → 235
Iterations

Useful iterations: 2 (73.0ms)

IterNodesCost
010263603
137612978
250012977

prune650.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 20.8b

localize17.0ms

Local error

Found 4 expressions with local error:

0.0b
(pow (+ x 1.0) (/ 1.0 n))
0.0b
(exp (cbrt (pow (log (pow (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n))) 3)) 3)))
0.2b
(log (pow (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n))) 3))
1.1b
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

rewrite46.0ms

Algorithm
rewrite-expression-head
Rules
109×unpow-prod-down
90×*-un-lft-identity
87×add-sqr-sqrt
56×prod-diff
51×add-cube-cbrt
37×sqr-pow
36×log-prod
27×difference-of-squares
19×cube-prod
17×exp-prod
14×cbrt-prod
13×pow-unpow
12×distribute-lft-out
times-frac distribute-lft-out--
fma-neg
add-exp-log add-log-exp
pow1
expm1-log1p-u add-cbrt-cube log1p-expm1-u
rem-log-exp log-pow
cube-div cube-mult pow-to-exp log-div flip3-- unpow3 pow-exp flip--
sub-neg pow-pow diff-log div-inv rem-exp-log
Counts
4 → 198
Calls
4 calls:
6.0ms
(pow (+ x 1.0) (/ 1.0 n))
5.0ms
(exp (cbrt (pow (log (pow (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n))) 3)) 3)))
12.0ms
(log (pow (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n))) 3))
15.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

series3.2s

Counts
4 → 12
Calls
4 calls:
144.0ms
(pow (+ x 1.0) (/ 1.0 n))
462.0ms
(exp (cbrt (pow (log (pow (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n))) 3)) 3)))
2.3s
(log (pow (- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n))) 3))
286.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

simplify106.0ms

Algorithm
egg-herbie
Counts
210 → 210
Iterations

Useful iterations: 2 (72.0ms)

IterNodesCost
010413151
138832559
250012558

prune682.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 20.8b

regimes251.0ms

Accuracy

78.3% (2.2b remaining)

Error of 24.6b against oracle of 22.5b and baseline of 32.6b

bsearch2.0ms

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
05030
15030

end0.0ms

sample6.6s

Algorithm
intervals
Results
1.8s3830×body1280valid
1.3s2147×body1280nan
741.0ms1802×body640nan
658.0ms1346×body10240exit
605.0ms1795×body640valid
265.0ms6045×body80nan
212.0ms847×body320nan
206.0ms887×body320valid
149.0ms3109×body80valid
72.0ms468×body160valid
69.0ms451×body160nan