Details

Time bar (total: 20.9s)

sample49.0ms

Algorithm
intervals
Results
33.0ms310×body80valid

simplify2.5s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01521
13121
29021
338421
4166321
done500021

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 14.8b

localize23.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
0.6b
(/ 1.0 (- (* b b) (* a a)))
6.0b
(- (* b b) (* a a))
7.7b
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite366.0ms

Algorithm
rewrite-expression-head
Rules
515×times-frac
419×add-sqr-sqrt
403×*-un-lft-identity
395×add-cube-cbrt
339×prod-diff
171×distribute-rgt-in distribute-lft-in
57×div-inv
36×add-exp-log add-cbrt-cube
30×associate-*r*
14×frac-times associate-*l*
13×prod-exp cbrt-unprod
12×difference-of-squares
11×pow1
cbrt-undiv div-exp
associate-*r/ associate-*l/
flip3-- flip--
add-log-exp
distribute-lft-out--
expm1-log1p-u pow-prod-down associate-/r* associate-/r/ frac-sub log1p-expm1-u unswap-sqr
sub-neg associate-/l*
*-commutative
frac-2neg fma-neg diff-log clear-num
Counts
4 → 501
Calls
4 calls:
78.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
26.0ms
(/ 1.0 (- (* b b) (* a a)))
15.0ms
(- (* b b) (* a a))
174.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

series674.0ms

Counts
4 → 12
Calls
4 calls:
93.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
390.0ms
(/ 1.0 (- (* b b) (* a a)))
40.0ms
(- (* b b) (* a a))
151.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

simplify1.9s

Counts
513 → 513
Iterations

Useful iterations: done (1.9s)

IterNodesCost
088627857
1229025797
done500022403

prune1.4s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 7.5b

localize15.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1.0 (- b a))
0.2b
(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a)))
0.3b
(/ (/ PI 2.0) (+ b a))
7.7b
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite576.0ms

Algorithm
rewrite-expression-head
Rules
702×times-frac
557×*-un-lft-identity
528×add-sqr-sqrt
481×add-cube-cbrt
338×prod-diff
171×distribute-rgt-in distribute-lft-in
67×div-inv
61×add-exp-log add-cbrt-cube
59×associate-*l*
33×associate-*r*
27×distribute-lft-out
22×cbrt-undiv div-exp
19×prod-exp cbrt-unprod
16×associate-/l*
14×frac-times
12×distribute-lft-out--
11×pow1 difference-of-squares
associate-/r*
associate-*r/ associate-*l/ associate-/r/
flip3-- flip-- unswap-sqr
expm1-log1p-u pow-prod-down frac-sub log1p-expm1-u add-log-exp
sub-neg frac-2neg flip3-+ clear-num *-commutative flip-+
associate-/l/
Counts
4 → 634
Calls
4 calls:
21.0ms
(/ 1.0 (- b a))
122.0ms
(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a)))
34.0ms
(/ (/ PI 2.0) (+ b a))
295.0ms
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

series366.0ms

Counts
4 → 12
Calls
4 calls:
67.0ms
(/ 1.0 (- b a))
75.0ms
(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a)))
79.0ms
(/ (/ PI 2.0) (+ b a))
145.0ms
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

simplify2.4s

Counts
646 → 646
Iterations

Useful iterations: done (2.3s)

IterNodesCost
0103129916
1273327749
done500124229

prune2.0s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.0b

localize29.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1.0 (- b a))
0.2b
(/ (* (* (/ PI 2.0) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b))) (+ b a))
0.3b
(* (* (/ PI 2.0) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))
0.4b
(* (/ PI 2.0) (/ 1.0 (- b a)))

rewrite689.0ms

Algorithm
rewrite-expression-head
Rules
525×times-frac
437×add-sqr-sqrt
425×*-un-lft-identity
399×add-cube-cbrt
338×prod-diff
171×distribute-rgt-in distribute-lft-in
61×add-exp-log add-cbrt-cube
58×div-inv
33×associate-*r*
27×frac-times
22×prod-exp cbrt-unprod
19×cbrt-undiv div-exp
15×associate-*r/ associate-*l/ associate-/l/
14×associate-*l*
12×distribute-lft-out--
11×pow1 difference-of-squares
10×flip3-- flip--
associate-/r*
frac-sub
associate-/r/
expm1-log1p-u pow-prod-down log1p-expm1-u associate-/l* add-log-exp unswap-sqr
sub-neg frac-2neg clear-num *-commutative distribute-lft-out
flip3-+ flip-+
Counts
4 → 541
Calls
4 calls:
21.0ms
(/ 1.0 (- b a))
219.0ms
(/ (* (* (/ PI 2.0) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b))) (+ b a))
267.0ms
(* (* (/ PI 2.0) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))
83.0ms
(* (/ PI 2.0) (/ 1.0 (- b a)))

series427.0ms

Counts
4 → 12
Calls
4 calls:
50.0ms
(/ 1.0 (- b a))
169.0ms
(/ (* (* (/ PI 2.0) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b))) (+ b a))
129.0ms
(* (* (/ PI 2.0) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))
79.0ms
(* (/ PI 2.0) (/ 1.0 (- b a)))

simplify2.3s

Counts
553 → 553
Iterations

Useful iterations: done (2.2s)

IterNodesCost
093025655
1243923543
done500020013

prune1.5s

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0b

localize19.0ms

Local error

Found 3 expressions with local error:

0.0b
(* 0.5 (/ PI (* a b)))
0.2b
(/ (* 0.5 (/ PI (* a b))) (+ b a))
0.6b
(/ PI (* a b))

rewrite90.0ms

Algorithm
rewrite-expression-head
Rules
31×add-exp-log add-cbrt-cube
14×*-un-lft-identity
12×add-sqr-sqrt
10×cbrt-undiv add-cube-cbrt times-frac div-exp
prod-exp cbrt-unprod
associate-*r*
pow1 associate-/r*
associate-/l*
expm1-log1p-u associate-*l* log1p-expm1-u div-inv add-log-exp
frac-2neg associate-*r/ clear-num associate-/r/ distribute-lft-out
flip3-+ pow-prod-down *-commutative flip-+ associate-/l/ unswap-sqr
Counts
3 → 84
Calls
3 calls:
39.0ms
(* 0.5 (/ PI (* a b)))
37.0ms
(/ (* 0.5 (/ PI (* a b))) (+ b a))
11.0ms
(/ PI (* a b))

series189.0ms

Counts
3 → 9
Calls
3 calls:
47.0ms
(* 0.5 (/ PI (* a b)))
118.0ms
(/ (* 0.5 (/ PI (* a b))) (+ b a))
24.0ms
(/ PI (* a b))

simplify1.0s

Counts
93 → 93
Iterations

Useful iterations: 2 (276.0ms)

IterNodesCost
01291040
1329997
21273813
done5000813

prune271.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0b

regimes98.0ms

Accuracy

0% (0.2b remaining)

Error of 0.2b against oracle of 0.0b and baseline of 0.2b

bsearch0.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0911
11111
done1111

end0.0ms

sample2.0s

Algorithm
intervals
Results
1.7s9654×body80valid