Details

Time bar (total: 17.4s)

sample172.0ms

Algorithm
intervals
Results
92.0ms609×body80nan
55.0ms365×body80valid

simplify1.1s

Counts
1 → 1
Iterations
IterNodes
done2001
5929
4327
3124
262
131
013

prune19.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.3b

localize45.0ms

Local error

Found 3 expressions with local error:

0.2b
(/ (pow (* (* n 2) PI) (- 1/2 (/ k 2))) (sqrt k))
0.2b
(* (* n 2) PI)
0.7b
(pow (* (* n 2) PI) (- 1/2 (/ k 2)))

rewrite57.0ms

Algorithm
rewrite-expression-head
Rules
43×times-frac
33×add-sqr-sqrt
30×*-un-lft-identity
28×add-cube-cbrt
26×add-exp-log
24×sqrt-prod
16×unpow-prod-up
14×pow1
10×add-cbrt-cube
prod-exp
sub-neg unpow-prod-down sqr-pow
associate-/l*
pow-unpow associate-/r* pow-prod-down pow-exp
div-exp
pow-pow associate-*r* cbrt-unprod insert-posit16 add-log-exp
pow-to-exp pow-sub difference-of-squares
cbrt-undiv clear-num frac-2neg associate-*l* *-commutative div-inv distribute-lft-out-- associate-/l/
Counts
3 → 118
Calls
3 calls:
12.0ms
(/ (pow (* (* n 2) PI) (- 1/2 (/ k 2))) (sqrt k))
14.0ms
(* (* n 2) PI)
28.0ms
(pow (* (* n 2) PI) (- 1/2 (/ k 2)))

series663.0ms

Counts
3 → 9
Calls
3 calls:
376.0ms
(/ (pow (* (* n 2) PI) (- 1/2 (/ k 2))) (sqrt k))
63.0ms
(* (* n 2) PI)
224.0ms
(pow (* (* n 2) PI) (- 1/2 (/ k 2)))

simplify876.0ms

Counts
127 → 127
Iterations
IterNodes
done2001
1662
0271

prune537.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 0.0b

localize29.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (* (* n 2) (sqrt PI)) (sqrt PI))
0.7b
(pow (* (* (* n 2) (sqrt PI)) (sqrt PI)) (- 1/2 (/ k 2)))
1.0b
(sqrt PI)
1.0b
(sqrt PI)

rewrite144.0ms

Algorithm
rewrite-expression-head
Rules
25×pow1
23×add-exp-log
16×add-sqr-sqrt
13×add-cbrt-cube
12×pow-prod-down prod-exp
11×*-un-lft-identity
add-cube-cbrt sqrt-prod
pow-unpow associate-*r* cbrt-unprod
pow-pow pow-exp insert-posit16 add-log-exp
unpow-prod-up rem-sqrt-square sqrt-pow1 pow1/2 difference-of-squares
pow-to-exp sub-neg unpow-prod-down times-frac associate-*l* *-commutative distribute-lft-out-- pow-sub sqr-pow
Counts
4 → 81
Calls
4 calls:
80.0ms
(* (* (* n 2) (sqrt PI)) (sqrt PI))
61.0ms
(pow (* (* (* n 2) (sqrt PI)) (sqrt PI)) (- 1/2 (/ k 2)))
1.0ms
(sqrt PI)
1.0ms
(sqrt PI)

series263.0ms

Counts
4 → 8
Calls
4 calls:
51.0ms
(* (* (* n 2) (sqrt PI)) (sqrt PI))
211.0ms
(pow (* (* (* n 2) (sqrt PI)) (sqrt PI)) (- 1/2 (/ k 2)))
0.0ms
(sqrt PI)
0.0ms
(sqrt PI)

simplify948.0ms

Counts
89 → 89
Iterations
IterNodes
done2001
21518
1415
0149

prune488.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.0b

localize42.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (* n 2) (sqrt PI))
0.7b
(pow (* (* n 2) (sqrt PI)) (- 1/2 (/ k 2)))
1.0b
(sqrt PI)
1.0b
(sqrt PI)

rewrite38.0ms

Algorithm
rewrite-expression-head
Rules
17×pow1
16×add-sqr-sqrt
15×add-exp-log
11×*-un-lft-identity
add-cbrt-cube add-cube-cbrt sqrt-prod
pow-unpow associate-*r* pow-prod-down prod-exp
insert-posit16 add-log-exp
pow-pow pow-exp cbrt-unprod
unpow-prod-up rem-sqrt-square sqrt-pow1 pow1/2 difference-of-squares
pow-to-exp sub-neg unpow-prod-down times-frac associate-*l* *-commutative distribute-lft-out-- pow-sub sqr-pow
Counts
4 → 76
Calls
4 calls:
18.0ms
(* (* n 2) (sqrt PI))
17.0ms
(pow (* (* n 2) (sqrt PI)) (- 1/2 (/ k 2)))
1.0ms
(sqrt PI)
1.0ms
(sqrt PI)

series401.0ms

Counts
4 → 8
Calls
4 calls:
106.0ms
(* (* n 2) (sqrt PI))
295.0ms
(pow (* (* n 2) (sqrt PI)) (- 1/2 (/ k 2)))
0.0ms
(sqrt PI)
0.0ms
(sqrt PI)

simplify941.0ms

Counts
84 → 84
Iterations
IterNodes
done2003
21301
1366
0136

prune572.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 0.0b

localize50.0ms

Local error

Found 4 expressions with local error:

0.7b
(pow (* (* (* (* n 2) (sqrt PI)) (sqrt (sqrt PI))) (sqrt (sqrt PI))) (- 1/2 (/ k 2)))
1.0b
(sqrt PI)
1.0b
(sqrt PI)
1.0b
(sqrt PI)

rewrite243.0ms

Algorithm
rewrite-expression-head
Rules
22×pow1
19×add-exp-log
16×add-sqr-sqrt
10×*-un-lft-identity pow-prod-down prod-exp
sqrt-prod
add-cube-cbrt
pow-unpow
pow-pow pow-exp
add-cbrt-cube insert-posit16 add-log-exp
rem-sqrt-square sqrt-pow1 pow1/2
unpow-prod-up difference-of-squares
pow-to-exp sub-neg unpow-prod-down times-frac distribute-lft-out-- pow-sub sqr-pow
Counts
4 → 72
Calls
4 calls:
237.0ms
(pow (* (* (* (* n 2) (sqrt PI)) (sqrt (sqrt PI))) (sqrt (sqrt PI))) (- 1/2 (/ k 2)))
2.0ms
(sqrt PI)
2.0ms
(sqrt PI)
2.0ms
(sqrt PI)

series190.0ms

Counts
4 → 6
Calls
4 calls:
190.0ms
(pow (* (* (* (* n 2) (sqrt PI)) (sqrt (sqrt PI))) (sqrt (sqrt PI))) (- 1/2 (/ k 2)))
0.0ms
(sqrt PI)
0.0ms
(sqrt PI)
0.0ms
(sqrt PI)

simplify910.0ms

Counts
78 → 78
Iterations
IterNodes
done2002
2996
1319
0129

prune437.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 0.0b

regimes227.0ms

Accuracy

0% (0.3b remaining)

Error of 0.4b against oracle of 0.0b and baseline of 0.4b

bsearch0.0ms

simplify3.0ms

Iterations
IterNodes
done18
118
015

end0.0ms

sample8.1s

Algorithm
intervals
Results
4.0s20622×body80nan
3.3s11847×body80valid
1.0msbody160nan