Details

Time bar (total: 4.1m)

sample273.0ms

Algorithm
intervals
Results
143.0ms607×body80nan
89.0ms382×body80valid

simplify1.9s

Counts
1 → 1
Iterations
IterNodes
done2026
62026
5970
4328
3124
262
131
013

prune19.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.5b

localize42.0ms

Local error

Found 3 expressions with local error:

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

rewrite99.0ms

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:
22.0ms
(/ (pow (* n (* 2 PI)) (- 1/2 (/ k 2))) (sqrt k))
32.0ms
(* n (* 2 PI))
32.0ms
(pow (* n (* 2 PI)) (- 1/2 (/ k 2)))

series654.0ms

Counts
3 → 9
Calls
3 calls:
359.0ms
(/ (pow (* n (* 2 PI)) (- 1/2 (/ k 2))) (sqrt k))
60.0ms
(* n (* 2 PI))
235.0ms
(pow (* n (* 2 PI)) (- 1/2 (/ k 2)))

simplify2.4s

Counts
445 → 445
Iterations
IterNodes
done2001
22001
11526
0695

prune3.5s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0b

localize51.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (pow n (- 1/2 (/ k 2))) (/ (sqrt k) (pow (* 2 PI) (- 1/2 (/ k 2)))))
0.2b
(/ (sqrt k) (pow (* 2 PI) (- 1/2 (/ k 2))))
0.5b
(pow (* 2 PI) (- 1/2 (/ k 2)))
0.6b
(pow n (- 1/2 (/ k 2)))

rewrite2.4s

Algorithm
rewrite-expression-head
Rules
43085×times-frac
25423×add-sqr-sqrt
25417×*-un-lft-identity
25413×add-cube-cbrt
23985×unpow-prod-up
22815×prod-diff
6903×sqrt-prod
1806×div-inv
1151×unpow-prod-down
585×sub-neg sqr-pow
327×associate-/r*
54×associate-/l*
53×add-exp-log pow-sub
51×associate-/r/
31×div-exp
16×pow-exp
12×pow-unpow
11×pow-to-exp add-cbrt-cube
pow1
prod-exp
expm1-log1p-u cbrt-undiv insert-posit16 log1p-expm1-u add-log-exp difference-of-squares
pow-pow
clear-num frac-2neg distribute-lft-out--
pow-prod-down associate-/l/
Counts
4 → 14326
Calls
4 calls:
48.0ms
(/ (pow n (- 1/2 (/ k 2))) (/ (sqrt k) (pow (* 2 PI) (- 1/2 (/ k 2)))))
20.0ms
(/ (sqrt k) (pow (* 2 PI) (- 1/2 (/ k 2))))
19.0ms
(pow (* 2 PI) (- 1/2 (/ k 2)))
13.0ms
(pow n (- 1/2 (/ k 2)))

series1.5s

Counts
4 → 12
Calls
4 calls:
550.0ms
(/ (pow n (- 1/2 (/ k 2))) (/ (sqrt k) (pow (* 2 PI) (- 1/2 (/ k 2)))))
735.0ms
(/ (sqrt k) (pow (* 2 PI) (- 1/2 (/ k 2))))
109.0ms
(pow (* 2 PI) (- 1/2 (/ k 2)))
121.0ms
(pow n (- 1/2 (/ k 2)))

simplify1.1m

Counts
14338 → 14338
Iterations
IterNodes
done13509
013509

prune2.4m

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0b

localize30.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (/ 1 (pow 2 (- 1/2 (/ k 2)))) (/ (sqrt k) (pow PI (- 1/2 (/ k 2)))))
0.5b
(/ 1 (pow 2 (- 1/2 (/ k 2))))
0.5b
(pow PI (- 1/2 (/ k 2)))
0.6b
(pow n (- 1/2 (/ k 2)))

rewrite103.0ms

Algorithm
rewrite-expression-head
Rules
1067×times-frac
882×add-sqr-sqrt
764×*-un-lft-identity
739×add-cube-cbrt
615×unpow-prod-up
585×prod-diff
293×associate-*r*
165×sqrt-prod
149×associate-*l*
115×add-exp-log
73×unpow-prod-down
60×div-exp
49×unswap-sqr
48×associate-/r* div-inv
43×sqr-pow
40×prod-exp
27×pow-to-exp pow-exp
18×add-cbrt-cube
15×rec-exp sub-neg 1-exp
12×pow-unpow
pow1
cbrt-undiv pow-sub
expm1-log1p-u cbrt-unprod insert-posit16 log1p-expm1-u add-log-exp difference-of-squares
associate-/r/ associate-/l*
pow-pow distribute-lft-out--
frac-times clear-num frac-2neg pow-prod-down associate-*l/ associate-*r/ *-commutative pow-flip inv-pow
Counts
4 → 901
Calls
4 calls:
50.0ms
(* (/ 1 (pow 2 (- 1/2 (/ k 2)))) (/ (sqrt k) (pow PI (- 1/2 (/ k 2)))))
9.0ms
(/ 1 (pow 2 (- 1/2 (/ k 2))))
6.0ms
(pow PI (- 1/2 (/ k 2)))
10.0ms
(pow n (- 1/2 (/ k 2)))

series848.0ms

Counts
4 → 12
Calls
4 calls:
636.0ms
(* (/ 1 (pow 2 (- 1/2 (/ k 2)))) (/ (sqrt k) (pow PI (- 1/2 (/ k 2)))))
97.0ms
(/ 1 (pow 2 (- 1/2 (/ k 2))))
44.0ms
(pow PI (- 1/2 (/ k 2)))
71.0ms
(pow n (- 1/2 (/ k 2)))

simplify3.0s

Counts
913 → 913
Iterations
IterNodes
done2000
12000
01339

prune4.8s

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0b

localize33.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (sqrt (sqrt k)) (pow PI (- 1/2 (/ k 2))))
0.2b
(/ (sqrt (sqrt k)) (pow 2 (- 1/2 (/ k 2))))
0.5b
(pow PI (- 1/2 (/ k 2)))
0.6b
(pow n (- 1/2 (/ k 2)))

rewrite80.0ms

Algorithm
rewrite-expression-head
Rules
1460×times-frac
1100×add-sqr-sqrt
1094×*-un-lft-identity
1090×add-cube-cbrt
902×unpow-prod-up
882×sqrt-prod
858×prod-diff
96×associate-/r*
68×div-inv
66×unpow-prod-down
22×sub-neg sqr-pow
18×associate-/l*
16×add-exp-log
12×pow-unpow
add-cbrt-cube
pow1 div-exp
expm1-log1p-u pow-to-exp pow-exp insert-posit16 log1p-expm1-u pow-sub add-log-exp difference-of-squares
cbrt-undiv clear-num pow-pow frac-2neg associate-/r/ distribute-lft-out--
Counts
4 → 1144
Calls
4 calls:
10.0ms
(/ (sqrt (sqrt k)) (pow PI (- 1/2 (/ k 2))))
14.0ms
(/ (sqrt (sqrt k)) (pow 2 (- 1/2 (/ k 2))))
6.0ms
(pow PI (- 1/2 (/ k 2)))
6.0ms
(pow n (- 1/2 (/ k 2)))

series480.0ms

Counts
4 → 12
Calls
4 calls:
174.0ms
(/ (sqrt (sqrt k)) (pow PI (- 1/2 (/ k 2))))
195.0ms
(/ (sqrt (sqrt k)) (pow 2 (- 1/2 (/ k 2))))
47.0ms
(pow PI (- 1/2 (/ k 2)))
64.0ms
(pow n (- 1/2 (/ k 2)))

simplify1.6s

Counts
1156 → 1156
Iterations
IterNodes
done2004
12004
01459

prune6.5s

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0b

regimes78.0ms

Accuracy

0% (0.4b remaining)

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

bsearch0.0ms

simplify2.0ms

Iterations
IterNodes
done19
119
016

end0.0ms

sample5.2s

Algorithm
intervals
Results
2.7s20747×body80nan
1.9s11976×body80valid
0.0msbody160nan