Details

Time bar (total: 29.6s)

sample162.0ms

Algorithm
intervals
Results
65.0ms386×body80valid
63.0ms638×body80nan

simplify2.9s

Counts
1 → 1
Iterations
IterNodes
done5000
62719
5929
4327
3124
262
131
013

prune20.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.2b

localize33.0ms

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)
0.9b
(pow (* (* n 2) PI) (- 1/2 (/ k 2)))

rewrite84.0ms

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:
18.0ms
(/ (pow (* (* n 2) PI) (- 1/2 (/ k 2))) (sqrt k))
30.0ms
(* (* n 2) PI)
33.0ms
(pow (* (* n 2) PI) (- 1/2 (/ k 2)))

series550.0ms

Counts
3 → 9
Calls
3 calls:
332.0ms
(/ (pow (* (* n 2) PI) (- 1/2 (/ k 2))) (sqrt k))
39.0ms
(* (* n 2) PI)
179.0ms
(pow (* (* n 2) PI) (- 1/2 (/ k 2)))

simplify2.6s

Counts
127 → 127
Iterations
IterNodes
done5008
22241
1662
0271

prune696.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0b

localize52.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (pow (* (* n 2) PI) (- 1/2 (/ k 2))) (/ 1 (sqrt k)))
0.2b
(* (* n 2) PI)
0.3b
(/ 1 (sqrt k))
0.9b
(pow (* (* n 2) PI) (- 1/2 (/ k 2)))

rewrite104.0ms

Algorithm
rewrite-expression-head
Rules
72×add-exp-log
59×add-sqr-sqrt
45×times-frac
41×*-un-lft-identity
38×prod-exp
35×add-cube-cbrt
25×associate-*r* sqrt-prod
17×pow1
16×add-cbrt-cube
15×pow-exp
12×div-exp
10×unswap-sqr
associate-*l*
sqr-pow
rec-exp pow-unpow associate-/r* 1-exp pow-prod-down
pow-to-exp cbrt-unprod
unpow-prod-up insert-posit16 add-log-exp
pow-pow pow-flip associate-/l* pow-sub
cbrt-undiv sub-neg unpow-prod-down *-commutative div-inv difference-of-squares
frac-times clear-num frac-2neg sqrt-pow1 pow1/2 associate-*l/ associate-*r/ un-div-inv distribute-lft-out-- inv-pow
Counts
4 → 165
Calls
4 calls:
36.0ms
(* (pow (* (* n 2) PI) (- 1/2 (/ k 2))) (/ 1 (sqrt k)))
33.0ms
(* (* n 2) PI)
6.0ms
(/ 1 (sqrt k))
24.0ms
(pow (* (* n 2) PI) (- 1/2 (/ k 2)))

series646.0ms

Counts
4 → 12
Calls
4 calls:
346.0ms
(* (pow (* (* n 2) PI) (- 1/2 (/ k 2))) (/ 1 (sqrt k)))
52.0ms
(* (* n 2) PI)
42.0ms
(/ 1 (sqrt k))
205.0ms
(pow (* (* n 2) PI) (- 1/2 (/ k 2)))

simplify2.4s

Counts
177 → 177
Iterations
IterNodes
done5000
22908
1868
0325

prune751.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0b

localize27.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (sqrt k) (pow PI (- 1/2 (/ k 2))))
0.2b
(/ (pow (* n 2) (- 1/2 (/ k 2))) (/ (sqrt k) (pow PI (- 1/2 (/ k 2)))))
0.5b
(pow PI (- 1/2 (/ k 2)))
0.8b
(pow (* n 2) (- 1/2 (/ k 2)))

rewrite114.0ms

Algorithm
rewrite-expression-head
Rules
901×times-frac
359×add-sqr-sqrt
353×*-un-lft-identity
349×add-cube-cbrt
246×sqrt-prod
234×unpow-prod-up
229×unpow-prod-down
117×sub-neg sqr-pow
68×associate-/r*
53×add-exp-log
31×div-exp
16×pow-exp
13×associate-/l*
12×pow-unpow pow-sub
11×pow-to-exp add-cbrt-cube
10×associate-/r/ div-inv
pow1
prod-exp
cbrt-undiv insert-posit16 add-log-exp difference-of-squares
pow-pow
clear-num frac-2neg distribute-lft-out--
pow-prod-down associate-/l/
Counts
4 → 643
Calls
4 calls:
16.0ms
(/ (sqrt k) (pow PI (- 1/2 (/ k 2))))
37.0ms
(/ (pow (* n 2) (- 1/2 (/ k 2))) (/ (sqrt k) (pow PI (- 1/2 (/ k 2)))))
14.0ms
(pow PI (- 1/2 (/ k 2)))
13.0ms
(pow (* n 2) (- 1/2 (/ k 2)))

series932.0ms

Counts
4 → 12
Calls
4 calls:
261.0ms
(/ (sqrt k) (pow PI (- 1/2 (/ k 2))))
482.0ms
(/ (pow (* n 2) (- 1/2 (/ k 2))) (/ (sqrt k) (pow PI (- 1/2 (/ k 2)))))
51.0ms
(pow PI (- 1/2 (/ k 2)))
138.0ms
(pow (* n 2) (- 1/2 (/ k 2)))

simplify3.6s

Counts
655 → 655
Iterations
IterNodes
done5000
12492
0885

prune2.9s

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0b

localize42.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (pow n (- 1/2 (/ k 2))) (/ (sqrt k) (sqrt PI)))
0.3b
(/ (sqrt k) (sqrt PI))
0.8b
(pow n (- 1/2 (/ k 2)))
1.0b
(sqrt PI)

rewrite97.0ms

Algorithm
rewrite-expression-head
Rules
757×times-frac
405×sqrt-prod
373×add-sqr-sqrt
369×*-un-lft-identity
367×add-cube-cbrt
126×unpow-prod-down
84×unpow-prod-up
46×associate-/r*
42×sub-neg sqr-pow
20×add-exp-log
15×associate-/l*
12×div-inv
11×add-cbrt-cube
10×div-exp
pow1 pow-unpow
cbrt-undiv insert-posit16 add-log-exp
pow-to-exp pow-exp
clear-num frac-2neg pow-sub difference-of-squares
rem-sqrt-square sqrt-undiv pow-pow sqrt-pow1 pow1/2 associate-/r/ distribute-lft-out-- associate-/l/
Counts
4 → 530
Calls
4 calls:
33.0ms
(/ (pow n (- 1/2 (/ k 2))) (/ (sqrt k) (sqrt PI)))
11.0ms
(/ (sqrt k) (sqrt PI))
16.0ms
(pow n (- 1/2 (/ k 2)))
2.0ms
(sqrt PI)

series410.0ms

Counts
4 → 10
Calls
4 calls:
190.0ms
(/ (pow n (- 1/2 (/ k 2))) (/ (sqrt k) (sqrt PI)))
133.0ms
(/ (sqrt k) (sqrt PI))
87.0ms
(pow n (- 1/2 (/ k 2)))
0.0ms
(sqrt PI)

simplify2.2s

Counts
540 → 540
Iterations
IterNodes
done5000
11814
0669

prune2.3s

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0b

regimes109.0ms

Accuracy

0% (0.4b remaining)

Error of 0.5b against oracle of 0.0b and baseline of 0.5b

bsearch0.0ms

simplify2.0ms

Iterations
IterNodes
done15
115
014

end0.0ms

sample6.0s

Algorithm
intervals
Results
2.9s20923×body80nan
2.3s11902×body80valid