Details

Time bar (total: 3.8m)

sample216.0ms

Algorithm
intervals
Results
104.0ms673×body80nan
79.0ms393×body80valid

simplify2.0s

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

prune24.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.3b

localize38.0ms

Local error

Found 3 expressions with local error:

0.2b
(/ (pow (* PI (* n 2)) (- 1/2 (/ k 2))) (sqrt k))
0.3b
(* PI (* n 2))
0.7b
(pow (* PI (* n 2)) (- 1/2 (/ k 2)))

rewrite92.0ms

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:
32.0ms
(/ (pow (* PI (* n 2)) (- 1/2 (/ k 2))) (sqrt k))
23.0ms
(* PI (* n 2))
16.0ms
(pow (* PI (* n 2)) (- 1/2 (/ k 2)))

series603.0ms

Counts
3 → 9
Calls
3 calls:
368.0ms
(/ (pow (* PI (* n 2)) (- 1/2 (/ k 2))) (sqrt k))
61.0ms
(* PI (* n 2))
174.0ms
(pow (* PI (* n 2)) (- 1/2 (/ k 2)))

simplify3.3s

Counts
445 → 445
Iterations
IterNodes
24287
11515
0698

prune6.7s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.0b

localize49.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1 (/ (sqrt k) (pow (* PI (* n 2)) (- 1/2 (/ k 2)))))
0.2b
(/ (sqrt k) (pow (* PI (* n 2)) (- 1/2 (/ k 2))))
0.3b
(* PI (* n 2))
0.7b
(pow (* PI (* n 2)) (- 1/2 (/ k 2)))

rewrite271.0ms

Algorithm
rewrite-expression-head
Rules
3088×times-frac
1878×add-sqr-sqrt
1875×*-un-lft-identity
1873×add-cube-cbrt
1312×unpow-prod-up
1248×prod-diff
693×sqrt-prod
327×associate-/r*
102×div-inv
72×add-exp-log
32×sub-neg unpow-prod-down div-exp sqr-pow
18×prod-exp
16×pow1 add-cbrt-cube
15×pow-exp
associate-/l*
rec-exp pow-unpow 1-exp pow-prod-down associate-/r/ pow-sub
pow-to-exp
expm1-log1p-u cbrt-undiv insert-posit16 log1p-expm1-u add-log-exp
pow-pow associate-*l* cbrt-unprod
clear-num frac-2neg difference-of-squares
associate-*r* *-commutative pow-flip distribute-lft-out-- inv-pow
Counts
4 → 1599
Calls
4 calls:
44.0ms
(/ 1 (/ (sqrt k) (pow (* PI (* n 2)) (- 1/2 (/ k 2)))))
31.0ms
(/ (sqrt k) (pow (* PI (* n 2)) (- 1/2 (/ k 2))))
29.0ms
(* PI (* n 2))
33.0ms
(pow (* PI (* n 2)) (- 1/2 (/ k 2)))

series970.0ms

Counts
4 → 12
Calls
4 calls:
329.0ms
(/ 1 (/ (sqrt k) (pow (* PI (* n 2)) (- 1/2 (/ k 2)))))
375.0ms
(/ (sqrt k) (pow (* PI (* n 2)) (- 1/2 (/ k 2))))
38.0ms
(* PI (* n 2))
228.0ms
(pow (* PI (* n 2)) (- 1/2 (/ k 2)))

simplify3.0m

Counts
1611 → 1611
Iterations
IterNodes
14705
01731

prune20.6s

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0.0b

localize23.0ms

Local error

Found 4 expressions with local error:

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

rewrite46.0ms

Algorithm
rewrite-expression-head
Rules
132×times-frac
112×add-sqr-sqrt
81×*-un-lft-identity add-cube-cbrt
80×unpow-prod-up
69×sqrt-prod
64×associate-*r*
53×add-exp-log
48×prod-diff
27×sqr-pow
25×unpow-prod-down
20×prod-exp
16×sub-neg div-exp pow-exp
15×unswap-sqr
12×associate-*l*
11×pow-to-exp add-cbrt-cube
10×associate-/l*
pow1
pow-unpow associate-/r*
pow-sub
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
pow-pow
cbrt-undiv cbrt-unprod div-inv
frac-times clear-num frac-2neg pow-prod-down associate-*l/ associate-*r/ *-commutative associate-/l/
Counts
4 → 269
Calls
4 calls:
19.0ms
(* (pow PI (- 1/2 (* 1/2 k))) (/ (pow (* 2 n) (- 1/2 (* 1/2 k))) (sqrt k)))
13.0ms
(/ (pow (* 2 n) (- 1/2 (* 1/2 k))) (sqrt k))
3.0ms
(pow PI (- 1/2 (* 1/2 k)))
6.0ms
(pow (* 2 n) (- 1/2 (* 1/2 k)))

series637.0ms

Counts
4 → 12
Calls
4 calls:
354.0ms
(* (pow PI (- 1/2 (* 1/2 k))) (/ (pow (* 2 n) (- 1/2 (* 1/2 k))) (sqrt k)))
151.0ms
(/ (pow (* 2 n) (- 1/2 (* 1/2 k))) (sqrt k))
44.0ms
(pow PI (- 1/2 (* 1/2 k)))
88.0ms
(pow (* 2 n) (- 1/2 (* 1/2 k)))

simplify1.7s

Counts
281 → 281
Iterations
IterNodes
24112
11240
0449

prune2.4s

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 0b

localize27.0ms

Local error

Found 4 expressions with local error:

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

rewrite57.0ms

Algorithm
rewrite-expression-head
Rules
144×times-frac
123×add-exp-log
100×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
76×associate-*r* prod-exp
75×unpow-prod-up sqrt-prod
45×unpow-prod-down prod-diff
37×pow-to-exp pow-exp
33×div-exp
18×add-cbrt-cube
15×sub-neg sqr-pow
12×associate-/l*
11×pow-sub
pow1
pow-unpow associate-/r* cbrt-unprod
frac-times associate-*l/
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
cbrt-undiv associate-*r/
pow-pow div-inv
clear-num frac-2neg associate-*l* pow-prod-down *-commutative associate-/l/
Counts
4 → 300
Calls
4 calls:
8.0ms
(/ (pow n (- 1/2 (* 1/2 k))) (sqrt k))
37.0ms
(* (* (pow 2 (- 1/2 (* 1/2 k))) (pow PI (- 1/2 (* 1/2 k)))) (/ (pow n (- 1/2 (* 1/2 k))) (sqrt k)))
4.0ms
(pow PI (- 1/2 (* 1/2 k)))
4.0ms
(pow n (- 1/2 (* 1/2 k)))

series792.0ms

Counts
4 → 12
Calls
4 calls:
105.0ms
(/ (pow n (- 1/2 (* 1/2 k))) (sqrt k))
581.0ms
(* (* (pow 2 (- 1/2 (* 1/2 k))) (pow PI (- 1/2 (* 1/2 k)))) (/ (pow n (- 1/2 (* 1/2 k))) (sqrt k)))
42.0ms
(pow PI (- 1/2 (* 1/2 k)))
64.0ms
(pow n (- 1/2 (* 1/2 k)))

simplify1.6s

Counts
312 → 312
Iterations
IterNodes
24750
11395
0466

prune2.6s

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 0b

regimes87.0ms

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
216
116
014

end0.0ms

sample4.8s

Algorithm
intervals
Results
2.6s20948×body80nan
1.4s11935×body80valid
0.0msbody160nan