Details

Time bar (total: 31.5s)

sample325.0ms

Algorithm
intervals
Results
81.0ms91×body1280valid
48.0ms34×body10240exit
45.0ms68×body640valid
36.0ms187×body80nan
25.0ms22×body1280nan
24.0ms32×body640nan
20.0ms166×body80valid
11.0ms26×body320valid
6.0ms14×body320nan
5.0ms16×body160valid
3.0ms10×body160nan

simplify2.2s

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

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 30.4b

localize20.0ms

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)))

rewrite86.0ms

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:
5.0ms
(pow x (/ 1 n))
16.0ms
(pow (+ x 1) (/ 1 n))
62.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))

series458.0ms

Counts
3 → 9
Calls
3 calls:
90.0ms
(pow x (/ 1 n))
119.0ms
(pow (+ x 1) (/ 1 n))
249.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))

simplify3.0s

Counts
91 → 91
Iterations
IterNodes
done5007
34337
21224
1473
0176

prune509.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 21.2b

localize30.0ms

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)))

rewrite223.0ms

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:
7.0ms
(pow (+ x 1) (/ 1 n))
85.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
62.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
68.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))

series882.0ms

Counts
4 → 12
Calls
4 calls:
118.0ms
(pow (+ x 1) (/ 1 n))
223.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
281.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
259.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))

simplify1.9s

Counts
116 → 116
Iterations
IterNodes
done5000
32507
2827
1348
0136

prune913.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 21.2b

localize54.0ms

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)))

rewrite191.0ms

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:
7.0ms
(pow (+ x 1) (/ 1 n))
59.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
55.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
69.0ms
(- (sqrt (pow (+ x 1) (/ 1 n))) (pow x (/ (/ 1 n) 2)))

series902.0ms

Counts
4 → 12
Calls
4 calls:
92.0ms
(pow (+ x 1) (/ 1 n))
234.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
231.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
345.0ms
(- (sqrt (pow (+ x 1) (/ 1 n))) (pow x (/ (/ 1 n) 2)))

simplify2.4s

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

localize86.0ms

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)))

rewrite215.0ms

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:
15.0ms
(pow (+ x 1) (/ 1 n))
70.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
67.0ms
(- (sqrt (pow (+ x 1) (/ 1 n))) (pow x (/ (/ 1 n) 2)))
60.0ms
(- (sqrt (pow (+ x 1) (/ 1 n))) (pow x (/ (/ 1 n) 2)))

series1.1s

Counts
4 → 12
Calls
4 calls:
123.0ms
(pow (+ x 1) (/ 1 n))
244.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
378.0ms
(- (sqrt (pow (+ x 1) (/ 1 n))) (pow x (/ (/ 1 n) 2)))
356.0ms
(- (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

regimes596.0ms

Accuracy

81.3% (1.6b remaining)

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

bsearch3.0ms

simplify51.0ms

Iterations
IterNodes
done74
174
058

end0.0ms

sample10.5s

Algorithm
intervals
Results
4.0s3141×body1280valid
1.4s1578×body640valid
1.2s1145×body10240exit
800.0ms648×body1280nan
677.0ms4744×body80valid
614.0ms5032×body80nan
526.0ms634×body640nan
507.0ms863×body320valid
165.0ms368×body320nan
138.0ms440×body160valid
50.0ms185×body160nan