Details

Time bar (total: 27.3s)

sample254.0ms

Algorithm
intervals
Results
65.0ms84×body1280valid
46.0ms53×body640valid
21.0ms21×body1280nan
18.0ms28×body10240exit
16.0ms144×body80valid
14.0ms41×body320valid
13.0ms22×body640nan
12.0ms176×body80nan
4.0ms18×body160valid
4.0ms13×body320nan
1.0msbody160nan

simplify1.7s

Counts
1 → 1
Iterations
IterNodes
done5000
51231
4238
381
234
117
08

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 30.4b

localize29.0ms

Local error

Found 3 expressions with local error:

0.3b
(pow x (/ 1.0 n))
1.1b
(pow (+ x 1.0) (/ 1.0 n))
2.1b
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

rewrite85.0ms

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 distribute-lft-out--
pow-to-exp pow-pow pow-exp div-inv distribute-lft-out
sub-neg flip3-- diff-log flip--
Counts
3 → 79
Calls
3 calls:
4.0ms
(pow x (/ 1.0 n))
11.0ms
(pow (+ x 1.0) (/ 1.0 n))
67.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

series624.0ms

Counts
3 → 9
Calls
3 calls:
100.0ms
(pow x (/ 1.0 n))
188.0ms
(pow (+ x 1.0) (/ 1.0 n))
336.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

simplify1.6s

Counts
88 → 88
Iterations
IterNodes
done5001
22073
1544
0189

prune614.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 22.4b

localize50.0ms

Local error

Found 4 expressions with local error:

1.1b
(pow (+ x 1.0) (/ 1.0 n))
2.1b
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
2.1b
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
2.1b
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

rewrite346.0ms

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 distribute-lft-out
sub-neg flip3-- diff-log flip--
pow-to-exp pow-pow pow-exp div-inv
Counts
4 → 100
Calls
4 calls:
13.0ms
(pow (+ x 1.0) (/ 1.0 n))
101.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
127.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
100.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

series1.5s

Counts
4 → 12
Calls
4 calls:
242.0ms
(pow (+ x 1.0) (/ 1.0 n))
456.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
430.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
411.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

simplify1.2s

Counts
112 → 112
Iterations
IterNodes
done5000
21420
1401
0148

prune829.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 22.4b

localize118.0ms

Local error

Found 4 expressions with local error:

1.1b
(pow (+ x 1.0) (/ 1.0 n))
2.1b
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
2.1b
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
2.1b
(- (sqrt (pow (+ x 1.0) (/ 1.0 n))) (sqrt (pow x (/ 1.0 n))))

rewrite292.0ms

Algorithm
rewrite-expression-head
Rules
60×add-sqr-sqrt
37×*-un-lft-identity
36×unpow-prod-down
34×difference-of-squares
30×sqrt-prod
21×sqr-pow
13×pow-unpow
12×add-cube-cbrt
10×distribute-lft-out-- add-log-exp
times-frac
pow1 add-exp-log
add-cbrt-cube distribute-lft-out
sub-neg flip3-- diff-log flip--
pow-to-exp pow-pow pow-exp div-inv
Counts
4 → 108
Calls
4 calls:
9.0ms
(pow (+ x 1.0) (/ 1.0 n))
97.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
85.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
95.0ms
(- (sqrt (pow (+ x 1.0) (/ 1.0 n))) (sqrt (pow x (/ 1.0 n))))

series1.6s

Counts
4 → 12
Calls
4 calls:
245.0ms
(pow (+ x 1.0) (/ 1.0 n))
449.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
397.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
512.0ms
(- (sqrt (pow (+ x 1.0) (/ 1.0 n))) (sqrt (pow x (/ 1.0 n))))

simplify1.4s

Counts
120 → 120
Iterations
IterNodes
done5002
21985
1545
0206

prune1.2s

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 22.4b

localize201.0ms

Local error

Found 4 expressions with local error:

1.1b
(pow (+ x 1.0) (/ 1.0 n))
2.1b
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
2.1b
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
2.2b
(- (sqrt (sqrt (pow (+ x 1.0) (/ 1.0 n)))) (sqrt (sqrt (pow x (/ 1.0 n)))))

rewrite348.0ms

Algorithm
rewrite-expression-head
Rules
84×sqrt-prod
76×add-sqr-sqrt
43×difference-of-squares
39×*-un-lft-identity
38×unpow-prod-down
23×sqr-pow
13×pow-unpow
12×add-cube-cbrt
11×distribute-lft-out--
10×add-log-exp
times-frac
pow1 add-exp-log
add-cbrt-cube distribute-lft-out
sub-neg flip3-- diff-log flip--
pow-to-exp pow-pow pow-exp div-inv
Counts
4 → 118
Calls
4 calls:
14.0ms
(pow (+ x 1.0) (/ 1.0 n))
105.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
121.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
102.0ms
(- (sqrt (sqrt (pow (+ x 1.0) (/ 1.0 n)))) (sqrt (sqrt (pow x (/ 1.0 n)))))

series1.5s

Counts
4 → 12
Calls
4 calls:
208.0ms
(pow (+ x 1.0) (/ 1.0 n))
377.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
429.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
500.0ms
(- (sqrt (sqrt (pow (+ x 1.0) (/ 1.0 n)))) (sqrt (sqrt (pow x (/ 1.0 n)))))

simplify1.4s

Counts
130 → 130
Iterations
IterNodes
done5001
21807
1553
0218

prune1.3s

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 22.4b

regimes414.0ms

Accuracy

78.9% (1.8b remaining)

Error of 22.6b against oracle of 20.8b and baseline of 29.3b

bsearch3.0ms

simplify50.0ms

Iterations
IterNodes
done72
172
054

end0.0ms

sample8.6s

Algorithm
intervals
Results
2.5s3177×body1280valid
1.3s1663×body640valid
944.0ms1190×body10240exit
917.0ms4583×body80valid
608.0ms698×body1280nan
441.0ms639×body640nan
441.0ms5086×body80nan
289.0ms827×body320valid
185.0ms346×body320nan
100.0ms447×body160valid
35.0ms189×body160nan