Details

Time bar (total: 19.1s)

sample52.0ms

Algorithm
intervals
Results
34.0ms300×body80valid

simplify2.2s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01521
13121
29021
338421
4166321
done500021

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 13.7b

localize39.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
0.8b
(/ 1.0 (- (* b b) (* a a)))
5.0b
(- (* b b) (* a a))
7.5b
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite405.0ms

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:
79.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
15.0ms
(/ 1.0 (- (* b b) (* a a)))
9.0ms
(- (* b b) (* a a))
233.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

series248.0ms

Counts
4 → 12
Calls
4 calls:
64.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
49.0ms
(/ 1.0 (- (* b b) (* a a)))
33.0ms
(- (* b b) (* a a))
101.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

simplify1.6s

Counts
513 → 513
Iterations

Useful iterations: done (1.6s)

IterNodesCost
088627857
1229025797
done500022403

prune1.4s

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 7.3b

localize26.0ms

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))
7.5b
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite501.0ms

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:
11.0ms
(/ 1.0 (- b a))
129.0ms
(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a)))
32.0ms
(/ (/ PI 2.0) (+ b a))
249.0ms
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

series376.0ms

Counts
4 → 12
Calls
4 calls:
51.0ms
(/ 1.0 (- b a))
88.0ms
(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a)))
73.0ms
(/ (/ PI 2.0) (+ b a))
165.0ms
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

simplify2.2s

Counts
646 → 646
Iterations

Useful iterations: done (2.2s)

IterNodesCost
0103129916
1273327749
done500124229

prune1.9s

Pruning

10 alts after pruning (10 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)))

rewrite607.0ms

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:
23.0ms
(/ 1.0 (- b a))
236.0ms
(/ (* (* (/ PI 2.0) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b))) (+ b a))
189.0ms
(* (* (/ PI 2.0) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))
91.0ms
(* (/ PI 2.0) (/ 1.0 (- b a)))

series365.0ms

Counts
4 → 12
Calls
4 calls:
47.0ms
(/ 1.0 (- b a))
110.0ms
(/ (* (* (/ PI 2.0) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b))) (+ b a))
123.0ms
(* (* (/ PI 2.0) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))
84.0ms
(* (/ PI 2.0) (/ 1.0 (- b a)))

simplify2.5s

Counts
553 → 553
Iterations

Useful iterations: done (2.5s)

IterNodesCost
093025655
1243923543
done500020013

prune1.6s

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0b

localize10.0ms

Local error

Found 2 expressions with local error:

0.2b
(/ (* 0.5 (/ PI (* a b))) (+ b a))
0.7b
(/ PI (* a b))

rewrite73.0ms

Algorithm
rewrite-expression-head
Rules
21×add-exp-log add-cbrt-cube
10×*-un-lft-identity
cbrt-undiv div-exp
times-frac
add-sqr-sqrt add-cube-cbrt
prod-exp associate-/r* cbrt-unprod
associate-/l*
pow1 expm1-log1p-u frac-2neg clear-num associate-/r/ log1p-expm1-u div-inv distribute-lft-out add-log-exp
flip3-+ associate-*r/ flip-+ associate-/l/
Counts
2 → 55
Calls
2 calls:
54.0ms
(/ (* 0.5 (/ PI (* a b))) (+ b a))
16.0ms
(/ PI (* a b))

series171.0ms

Counts
2 → 6
Calls
2 calls:
127.0ms
(/ (* 0.5 (/ PI (* a b))) (+ b a))
44.0ms
(/ PI (* a b))

simplify933.0ms

Counts
61 → 61
Iterations

Useful iterations: 2 (209.0ms)

IterNodesCost
0111724
1289695
21196563
done5001563

prune180.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0b

regimes62.0ms

Accuracy

0% (0.2b remaining)

Error of 0.3b against oracle of 0.0b and baseline of 0.3b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01113
11713
done1713

end0.0ms

sample1.5s

Algorithm
intervals
Results
1.1s9496×body80valid