Details

Time bar (total: 51.7s)

sample217.0ms

Algorithm
intervals
Results
124.0ms654×body80nan
63.0ms362×body80valid

simplify3.6s

Counts
1 → 1
Iterations
IterNodes
done5000
62753
5970
4328
3124
262
131
013

prune17.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.2b

localize25.0ms

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

rewrite367.0ms

Algorithm
rewrite-expression-head
Rules
619×times-frac
531×add-sqr-sqrt
465×*-un-lft-identity
463×add-cube-cbrt
328×unpow-prod-up
312×prod-diff
204×sqrt-prod
176×unpow-prod-down
135×associate-*l*
67×associate-/l*
54×associate-*r*
36×unswap-sqr
26×add-exp-log
25×div-inv
18×*-commutative
14×pow1
10×add-cbrt-cube
prod-exp
sub-neg sqr-pow
pow-unpow associate-/r* pow-prod-down pow-exp
div-exp
expm1-log1p-u pow-pow cbrt-unprod insert-posit16 log1p-expm1-u add-log-exp
pow-to-exp pow-sub difference-of-squares
cbrt-undiv clear-num frac-2neg distribute-lft-out-- associate-/l/
Counts
3 → 617
Calls
3 calls:
186.0ms
(/ (pow (* (* n 2) PI) (- 1/2 (/ k 2))) (sqrt k))
55.0ms
(* (* n 2) PI)
87.0ms
(pow (* (* n 2) PI) (- 1/2 (/ k 2)))

series588.0ms

Counts
3 → 9
Calls
3 calls:
348.0ms
(/ (pow (* (* n 2) PI) (- 1/2 (/ k 2))) (sqrt k))
56.0ms
(* (* n 2) PI)
184.0ms
(pow (* (* n 2) PI) (- 1/2 (/ k 2)))

simplify2.5s

Counts
626 → 626
Iterations
IterNodes
done5000
11952
0920

prune3.4s

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0b

localize65.0ms

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)

rewrite148.0ms

Algorithm
rewrite-expression-head
Rules
83×add-sqr-sqrt
54×*-un-lft-identity
52×add-cube-cbrt
41×unpow-prod-up
39×prod-diff
30×associate-*l*
28×times-frac
27×unpow-prod-down
18×associate-*r*
17×pow1
16×sqrt-prod
15×add-exp-log
14×unswap-sqr
add-cbrt-cube
pow-unpow pow-prod-down prod-exp
expm1-log1p-u *-commutative insert-posit16 log1p-expm1-u add-log-exp
pow-pow pow-exp cbrt-unprod div-inv
rem-sqrt-square sqrt-pow1 pow1/2 difference-of-squares
pow-to-exp sub-neg distribute-lft-out-- pow-sub sqr-pow
Counts
4 → 164
Calls
4 calls:
52.0ms
(* (* n 2) (sqrt PI))
81.0ms
(pow (* (* n 2) (sqrt PI)) (- 1/2 (/ k 2)))
3.0ms
(sqrt PI)
2.0ms
(sqrt PI)

series401.0ms

Counts
4 → 8
Calls
4 calls:
109.0ms
(* (* n 2) (sqrt PI))
291.0ms
(pow (* (* n 2) (sqrt PI)) (- 1/2 (/ k 2)))
0.0ms
(sqrt PI)
0.0ms
(sqrt PI)

simplify2.3s

Counts
172 → 172
Iterations
IterNodes
done5003
23085
11170
0361

prune1.1s

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0b

localize68.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (pow (* n (sqrt 2)) (- 1/2 (* k 1/2))) (/ (pow (* (sqrt 2) PI) (- 1/2 (* k 1/2))) (sqrt k)))
0.2b
(/ (pow (* (sqrt 2) PI) (- 1/2 (* k 1/2))) (sqrt k))
0.4b
(* n (sqrt 2))
0.7b
(pow (* n (sqrt 2)) (- 1/2 (* k 1/2)))

rewrite1.1s

Algorithm
rewrite-expression-head
Rules
1050×add-sqr-sqrt
746×times-frac
696×*-un-lft-identity
690×add-cube-cbrt
646×unpow-prod-up
612×prod-diff
571×associate-*r*
475×sqrt-prod
335×unpow-prod-down
311×associate-*l*
185×unswap-sqr
175×associate-/l*
73×add-exp-log pow-sub
70×*-commutative
68×frac-times associate-*r/
38×sqr-pow
32×prod-exp
22×pow-exp
20×div-exp
18×associate-/r*
17×sub-neg
13×add-cbrt-cube
11×pow-to-exp pow1 pow-unpow
expm1-log1p-u clear-num distribute-rgt-out-- insert-posit16 log1p-expm1-u add-log-exp
frac-2neg pow-prod-down cbrt-unprod associate-/l/
cbrt-undiv pow-pow un-div-inv div-inv distribute-lft-out-- difference-of-squares
associate-*l/
Counts
4 → 1176
Calls
4 calls:
859.0ms
(* (pow (* n (sqrt 2)) (- 1/2 (* k 1/2))) (/ (pow (* (sqrt 2) PI) (- 1/2 (* k 1/2))) (sqrt k)))
80.0ms
(/ (pow (* (sqrt 2) PI) (- 1/2 (* k 1/2))) (sqrt k))
17.0ms
(* n (sqrt 2))
34.0ms
(pow (* n (sqrt 2)) (- 1/2 (* k 1/2)))

series1.9s

Counts
4 → 12
Calls
4 calls:
1.3s
(* (pow (* n (sqrt 2)) (- 1/2 (* k 1/2))) (/ (pow (* (sqrt 2) PI) (- 1/2 (* k 1/2))) (sqrt k)))
290.0ms
(/ (pow (* (sqrt 2) PI) (- 1/2 (* k 1/2))) (sqrt k))
63.0ms
(* n (sqrt 2))
218.0ms
(pow (* n (sqrt 2)) (- 1/2 (* k 1/2)))

simplify6.7s

Counts
1188 → 1188
Iterations
IterNodes
done5000
13810
01397

prune6.1s

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0b

localize57.0ms

Local error

Found 4 expressions with local error:

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

rewrite927.0ms

Algorithm
rewrite-expression-head
Rules
1194×times-frac
1086×add-sqr-sqrt
909×*-un-lft-identity
891×add-cube-cbrt
697×unpow-prod-up
663×prod-diff
486×associate-*r*
414×associate-*l*
369×sqrt-prod
212×unpow-prod-down
130×unswap-sqr
122×associate-/l*
73×sqr-pow
63×add-exp-log
52×div-inv
32×prod-exp
26×pow-unpow
22×pow-exp
19×pow-prod-down
18×*-commutative
17×sub-neg
16×pow1
15×pow-to-exp
13×add-cbrt-cube div-exp
pow-sub
distribute-lft-out--
associate-/r* pow-pow difference-of-squares
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
cbrt-unprod associate-/l/
frac-times cbrt-undiv associate-*l/ associate-*r/
clear-num frac-2neg
Counts
4 → 1148
Calls
4 calls:
259.0ms
(* (pow 2 (- 1/2 (/ k 2))) (pow (* n PI) (- 1/2 (/ k 2))))
515.0ms
(/ (* (pow 2 (- 1/2 (/ k 2))) (pow (* n PI) (- 1/2 (/ k 2)))) (sqrt k))
14.0ms
(* n PI)
44.0ms
(pow (* n PI) (- 1/2 (/ k 2)))

series1.1s

Counts
4 → 12
Calls
4 calls:
294.0ms
(* (pow 2 (- 1/2 (/ k 2))) (pow (* n PI) (- 1/2 (/ k 2))))
608.0ms
(/ (* (pow 2 (- 1/2 (/ k 2))) (pow (* n PI) (- 1/2 (/ k 2)))) (sqrt k))
26.0ms
(* n PI)
157.0ms
(pow (* n PI) (- 1/2 (/ k 2)))

simplify4.2s

Counts
1160 → 1160
Iterations
IterNodes
done5000
13813
01480

prune6.7s

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0b

regimes81.0ms

Accuracy

0% (0.3b remaining)

Error of 0.4b against oracle of 0.1b and baseline of 0.4b

bsearch0.0ms

simplify5.0ms

Iterations
IterNodes
done17
117
015

end0.0ms

sample8.1s

Algorithm
intervals
Results
4.8s21069×body80nan
2.4s11971×body80valid
1.0msbody160nan