Details

Time bar (total: 3.4m)

sample212.0ms

Algorithm
intervals
Results
115.0ms621×body80nan
65.0ms359×body80valid

simplify1.9s

Counts
1 → 1
Iterations
IterNodes
62053
5821
4322
3123
260
129
013

prune20.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.4b

localize23.0ms

Local error

Found 3 expressions with local error:

0.2b
(/ (pow (* PI (* n 2)) (- 1/2 (/ k 2))) (sqrt k))
0.2b
(* PI (* n 2))
1.6b
(pow (* PI (* n 2)) (- 1/2 (/ k 2)))

rewrite111.0ms

Algorithm
rewrite-expression-head
Rules
493×times-frac
383×add-sqr-sqrt
380×*-un-lft-identity
378×add-cube-cbrt
328×unpow-prod-up
312×prod-diff
141×sqrt-prod
46×associate-/l*
26×add-exp-log
25×div-inv
14×pow1
10×add-cbrt-cube
prod-exp
sub-neg unpow-prod-down sqr-pow
pow-unpow associate-/r* pow-prod-down pow-exp
div-exp
expm1-log1p-u pow-pow associate-*l* cbrt-unprod insert-posit16 log1p-expm1-u add-log-exp
pow-to-exp pow-sub difference-of-squares
cbrt-undiv clear-num frac-2neg associate-*r* *-commutative distribute-lft-out-- associate-/l/
Counts
3 → 436
Calls
3 calls:
34.0ms
(/ (pow (* PI (* n 2)) (- 1/2 (/ k 2))) (sqrt k))
27.0ms
(* PI (* n 2))
24.0ms
(pow (* PI (* n 2)) (- 1/2 (/ k 2)))

series567.0ms

Counts
3 → 9
Calls
3 calls:
334.0ms
(/ (pow (* PI (* n 2)) (- 1/2 (/ k 2))) (sqrt k))
35.0ms
(* PI (* n 2))
198.0ms
(pow (* PI (* n 2)) (- 1/2 (/ k 2)))

simplify3.3s

Counts
445 → 445
Iterations
IterNodes
24287
11515
0698

prune3.0s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0b

localize60.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (pow (* n 2) (- 1/2 (/ k 2))) (sqrt (sqrt k)))
0.2b
(/ (pow PI (- 1/2 (/ k 2))) (sqrt (sqrt k)))
0.4b
(pow PI (- 1/2 (/ k 2)))
1.3b
(pow (* n 2) (- 1/2 (/ k 2)))

rewrite133.0ms

Algorithm
rewrite-expression-head
Rules
1442×times-frac
1083×add-sqr-sqrt
1077×*-un-lft-identity
1073×add-cube-cbrt
902×unpow-prod-up
864×sqrt-prod
858×prod-diff
94×associate-/l*
68×div-inv
44×unpow-prod-down
22×sub-neg sqr-pow
21×add-exp-log
18×associate-/r*
12×pow-unpow
pow1 add-cbrt-cube
div-exp
pow-exp
expm1-log1p-u pow-to-exp insert-posit16 log1p-expm1-u pow-sub add-log-exp difference-of-squares
pow-pow
cbrt-undiv clear-num frac-2neg prod-exp distribute-lft-out-- associate-/l/
pow-prod-down
Counts
4 → 1125
Calls
4 calls:
16.0ms
(/ (pow (* n 2) (- 1/2 (/ k 2))) (sqrt (sqrt k)))
34.0ms
(/ (pow PI (- 1/2 (/ k 2))) (sqrt (sqrt k)))
13.0ms
(pow PI (- 1/2 (/ k 2)))
19.0ms
(pow (* n 2) (- 1/2 (/ k 2)))

series675.0ms

Counts
4 → 12
Calls
4 calls:
227.0ms
(/ (pow (* n 2) (- 1/2 (/ k 2))) (sqrt (sqrt k)))
253.0ms
(/ (pow PI (- 1/2 (/ k 2))) (sqrt (sqrt k)))
60.0ms
(pow PI (- 1/2 (/ k 2)))
134.0ms
(pow (* n 2) (- 1/2 (/ k 2)))

simplify2.3s

Counts
1137 → 1137
Iterations
IterNodes
12440
01350

prune8.2s

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0b

localize51.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ 1 (/ (sqrt (sqrt k)) (pow (* n 2) (- 1/2 (/ k 2)))))
0.2b
(/ (pow PI (- 1/2 (/ k 2))) (sqrt (sqrt k)))
0.4b
(pow PI (- 1/2 (/ k 2)))
1.3b
(pow (* n 2) (- 1/2 (/ k 2)))

rewrite283.0ms

Algorithm
rewrite-expression-head
Rules
4643×times-frac
2828×add-sqr-sqrt
2822×*-un-lft-identity
2818×add-cube-cbrt
2097×sqrt-prod
1968×unpow-prod-up
1872×prod-diff
428×associate-/r*
150×div-inv
70×unpow-prod-down
51×associate-/l*
48×sub-neg sqr-pow
45×add-exp-log
25×div-exp
12×pow-unpow
11×add-cbrt-cube
10×pow-exp
pow1
pow-sub
pow-to-exp
rec-exp 1-exp associate-/r/
expm1-log1p-u cbrt-undiv prod-exp insert-posit16 log1p-expm1-u add-log-exp difference-of-squares
pow-pow
clear-num frac-2neg distribute-lft-out--
pow-prod-down pow-flip inv-pow associate-/l/
Counts
4 → 2349
Calls
4 calls:
28.0ms
(/ 1 (/ (sqrt (sqrt k)) (pow (* n 2) (- 1/2 (/ k 2)))))
13.0ms
(/ (pow PI (- 1/2 (/ k 2))) (sqrt (sqrt k)))
7.0ms
(pow PI (- 1/2 (/ k 2)))
10.0ms
(pow (* n 2) (- 1/2 (/ k 2)))

series667.0ms

Counts
4 → 12
Calls
4 calls:
215.0ms
(/ 1 (/ (sqrt (sqrt k)) (pow (* n 2) (- 1/2 (/ k 2)))))
240.0ms
(/ (pow PI (- 1/2 (/ k 2))) (sqrt (sqrt k)))
65.0ms
(pow PI (- 1/2 (/ k 2)))
146.0ms
(pow (* n 2) (- 1/2 (/ k 2)))

simplify2.8m

Counts
2361 → 2361
Iterations
IterNodes
16466
02609

prune8.8s

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0b

localize50.0ms

Local error

Found 4 expressions with local error:

0.4b
(pow PI (- 1/2 (/ k 2)))
0.6b
(cbrt k)
0.6b
(cbrt k)
1.3b
(pow (* n 2) (- 1/2 (/ k 2)))

rewrite19.0ms

Algorithm
rewrite-expression-head
Rules
87×add-sqr-sqrt
82×unpow-prod-up
81×*-un-lft-identity
78×prod-diff
77×add-cube-cbrt
56×times-frac
12×pow-unpow
pow1 add-exp-log
cbrt-prod div-inv
expm1-log1p-u unpow-prod-down add-cbrt-cube insert-posit16 log1p-expm1-u add-log-exp difference-of-squares
pow-pow pow-exp
pow-to-exp sub-neg pow1/3 distribute-lft-out-- pow-sub sqr-pow
pow-prod-down prod-exp
Counts
4 → 158
Calls
4 calls:
6.0ms
(pow PI (- 1/2 (/ k 2)))
1.0ms
(cbrt k)
1.0ms
(cbrt k)
9.0ms
(pow (* n 2) (- 1/2 (/ k 2)))

series490.0ms

Counts
4 → 12
Calls
4 calls:
40.0ms
(pow PI (- 1/2 (/ k 2)))
184.0ms
(cbrt k)
180.0ms
(cbrt k)
85.0ms
(pow (* n 2) (- 1/2 (/ k 2)))

simplify1.2s

Counts
170 → 170
Iterations
IterNodes
23002
11131
0371

prune945.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0b

regimes165.0ms

Accuracy

0% (0.5b remaining)

Error of 0.6b against oracle of 0.1b and baseline of 0.6b

bsearch0.0ms

simplify2.0ms

Iterations
IterNodes
219
119
017

end0.0ms

sample5.2s

Algorithm
intervals
Results
2.7s20592×body80nan
1.9s11910×body80valid
0.0msbody160nan