Details

Time bar (total: 30.0s)

sample283.0ms

Algorithm
intervals
Results
72.0ms91×body1280valid
37.0ms68×body640valid
35.0ms34×body10240exit
28.0ms10×body160nan
20.0ms32×body640nan
20.0ms22×body1280nan
16.0ms166×body80valid
13.0ms187×body80nan
10.0ms26×body320valid
5.0ms14×body320nan
4.0ms16×body160valid

simplify2.3s

Counts
1 → 1
Iterations
IterNodes
done5001
51169
4263
384
236
119
08

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 30.4b

localize32.0ms

Local error

Found 3 expressions with local error:

0.5b
(pow x (/ 1 n))
0.6b
(pow (+ x 1) (/ 1 n))
1.7b
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))

rewrite120.0ms

Algorithm
rewrite-expression-head
Rules
31×add-sqr-sqrt
28×*-un-lft-identity
26×pow-unpow
19×add-cube-cbrt
18×times-frac
17×unpow-prod-down
difference-of-squares
sqr-pow
pow1 add-exp-log add-log-exp
add-cbrt-cube insert-posit16 distribute-lft-out--
pow-to-exp pow-pow pow-exp div-inv distribute-lft-out
sub-neg flip3-- diff-log flip--
Counts
3 → 82
Calls
3 calls:
6.0ms
(pow x (/ 1 n))
14.0ms
(pow (+ x 1) (/ 1 n))
98.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))

series476.0ms

Counts
3 → 9
Calls
3 calls:
80.0ms
(pow x (/ 1 n))
121.0ms
(pow (+ x 1) (/ 1 n))
275.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))

simplify3.3s

Counts
91 → 91
Iterations
IterNodes
done5007
34337
21224
1473
0176

prune562.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 21.2b

localize50.0ms

Local error

Found 4 expressions with local error:

0.6b
(pow (+ x 1) (/ 1 n))
1.7b
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
1.7b
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
1.7b
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))

rewrite211.0ms

Algorithm
rewrite-expression-head
Rules
48×add-sqr-sqrt
35×*-un-lft-identity
34×unpow-prod-down
27×difference-of-squares
19×sqr-pow
13×pow-unpow
12×add-cube-cbrt
10×add-log-exp
times-frac distribute-lft-out--
pow1 add-exp-log
add-cbrt-cube insert-posit16 distribute-lft-out
sub-neg flip3-- diff-log flip--
pow-to-exp pow-pow pow-exp div-inv
Counts
4 → 104
Calls
4 calls:
14.0ms
(pow (+ x 1) (/ 1 n))
71.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
56.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
66.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))

series955.0ms

Counts
4 → 12
Calls
4 calls:
139.0ms
(pow (+ x 1) (/ 1 n))
281.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
274.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
260.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))

simplify2.0s

Counts
116 → 116
Iterations
IterNodes
done5000
32507
2827
1348
0136

prune767.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 21.2b

localize53.0ms

Local error

Found 4 expressions with local error:

0.6b
(pow (+ x 1) (/ 1 n))
1.7b
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
1.7b
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
2.4b
(- (sqrt (pow (+ x 1) (/ 1 n))) (pow x (/ (/ 1 n) 2)))

rewrite249.0ms

Algorithm
rewrite-expression-head
Rules
53×add-sqr-sqrt
31×unpow-prod-down
30×*-un-lft-identity difference-of-squares
20×sqr-pow
13×pow-unpow
12×add-cube-cbrt
10×add-log-exp
times-frac sqrt-prod
distribute-lft-out--
pow1 add-exp-log
add-cbrt-cube insert-posit16
sub-neg flip3-- diff-log flip-- distribute-lft-out
pow-to-exp pow-pow pow-exp div-inv
Counts
4 → 105
Calls
4 calls:
14.0ms
(pow (+ x 1) (/ 1 n))
51.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
69.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
111.0ms
(- (sqrt (pow (+ x 1) (/ 1 n))) (pow x (/ (/ 1 n) 2)))

series853.0ms

Counts
4 → 12
Calls
4 calls:
97.0ms
(pow (+ x 1) (/ 1 n))
212.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
227.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
316.0ms
(- (sqrt (pow (+ x 1) (/ 1 n))) (pow x (/ (/ 1 n) 2)))

simplify2.5s

Counts
117 → 117
Iterations
IterNodes
done5004
34701
21334
1504
0196

prune1.1s

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 21.2b

localize84.0ms

Local error

Found 4 expressions with local error:

0.6b
(pow (+ x 1) (/ 1 n))
1.7b
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
2.4b
(- (sqrt (pow (+ x 1) (/ 1 n))) (pow x (/ (/ 1 n) 2)))
2.4b
(- (sqrt (pow (+ x 1) (/ 1 n))) (pow x (/ (/ 1 n) 2)))

rewrite198.0ms

Algorithm
rewrite-expression-head
Rules
58×add-sqr-sqrt
33×difference-of-squares
28×unpow-prod-down
25×*-un-lft-identity
21×sqr-pow
18×sqrt-prod
13×pow-unpow
12×add-cube-cbrt
10×add-log-exp
times-frac
pow1 add-exp-log distribute-lft-out--
add-cbrt-cube insert-posit16
sub-neg flip3-- diff-log flip--
distribute-lft-out
pow-to-exp pow-pow pow-exp div-inv
Counts
4 → 106
Calls
4 calls:
14.0ms
(pow (+ x 1) (/ 1 n))
57.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
57.0ms
(- (sqrt (pow (+ x 1) (/ 1 n))) (pow x (/ (/ 1 n) 2)))
67.0ms
(- (sqrt (pow (+ x 1) (/ 1 n))) (pow x (/ (/ 1 n) 2)))

series1.1s

Counts
4 → 12
Calls
4 calls:
120.0ms
(pow (+ x 1) (/ 1 n))
267.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
348.0ms
(- (sqrt (pow (+ x 1) (/ 1 n))) (pow x (/ (/ 1 n) 2)))
370.0ms
(- (sqrt (pow (+ x 1) (/ 1 n))) (pow x (/ (/ 1 n) 2)))

simplify2.6s

Counts
118 → 118
Iterations
IterNodes
done5004
34701
21334
1504
0196

prune1.1s

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 21.2b

regimes482.0ms

Accuracy

81.3% (1.6b remaining)

Error of 22.6b against oracle of 21.1b and baseline of 29.4b

bsearch2.0ms

simplify25.0ms

Iterations
IterNodes
done74
174
058

end0.0ms

sample8.6s

Algorithm
intervals
Results
3.2s3141×body1280valid
1.4s1578×body640valid
1.0s1145×body10240exit
657.0ms648×body1280nan
498.0ms4744×body80valid
441.0ms634×body640nan
391.0ms5032×body80nan
339.0ms863×body320valid
129.0ms368×body320nan
113.0ms440×body160valid
37.0ms185×body160nan