Details

Time bar (total: 34.7s)

sample60.0ms

Algorithm
intervals
Results
34.0ms302×body80valid

simplify2.8s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01521
13121
29021
338521
4186021
done500121

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 14.5b

localize58.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
1.1b
(/ 1.0 (- (* b b) (* a a)))
3.4b
(- (* b b) (* a a))
9.7b
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite499.0ms

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:
98.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
25.0ms
(/ 1.0 (- (* b b) (* a a)))
17.0ms
(- (* b b) (* a a))
279.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

series397.0ms

Counts
4 → 12
Calls
4 calls:
106.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
77.0ms
(/ 1.0 (- (* b b) (* a a)))
54.0ms
(- (* b b) (* a a))
159.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

simplify2.7s

Counts
513 → 513
Iterations

Useful iterations: done (2.7s)

IterNodesCost
088627857
1291425859
done500223272

prune3.1s

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 9.6b

localize48.0ms

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)))
0.2b
(/ (/ PI 2.0) (+ b a))
9.7b
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite626.0ms

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:
20.0ms
(/ 1.0 (- b a))
141.0ms
(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a)))
32.0ms
(/ (/ PI 2.0) (+ b a))
334.0ms
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

series512.0ms

Counts
4 → 12
Calls
4 calls:
80.0ms
(/ 1.0 (- b a))
134.0ms
(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a)))
111.0ms
(/ (/ PI 2.0) (+ b a))
187.0ms
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

simplify3.6s

Counts
646 → 646
Iterations

Useful iterations: done (3.6s)

IterNodesCost
0103129916
1338727807
done500125121

prune4.0s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.0b

localize43.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1.0 (- b a))
0.1b
(/ (* (* (/ PI 2.0) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b))) (+ b a))
0.2b
(* (* (/ PI 2.0) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))
0.4b
(* (/ PI 2.0) (/ 1.0 (- b a)))

rewrite758.0ms

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:
22.0ms
(/ 1.0 (- b a))
307.0ms
(/ (* (* (/ PI 2.0) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b))) (+ b a))
252.0ms
(* (* (/ PI 2.0) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))
75.0ms
(* (/ PI 2.0) (/ 1.0 (- b a)))

series538.0ms

Counts
4 → 12
Calls
4 calls:
82.0ms
(/ 1.0 (- b a))
199.0ms
(/ (* (* (/ PI 2.0) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b))) (+ b a))
140.0ms
(* (* (/ PI 2.0) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))
116.0ms
(* (/ PI 2.0) (/ 1.0 (- b a)))

simplify3.4s

Counts
553 → 553
Iterations

Useful iterations: done (3.3s)

IterNodesCost
093025655
1305923601
done500020887

prune3.7s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0b

localize54.0ms

Local error

Found 3 expressions with local error:

0.1b
(/ (* (/ PI 2.0) (/ (* 1.0 (- (/ 1.0 a) (/ 1.0 b))) (- b a))) (+ b a))
0.2b
(/ (* 1.0 (- (/ 1.0 a) (/ 1.0 b))) (- b a))
0.2b
(* (/ PI 2.0) (/ (* 1.0 (- (/ 1.0 a) (/ 1.0 b))) (- b a)))

rewrite1.1s

Algorithm
rewrite-expression-head
Rules
58×add-exp-log add-cbrt-cube
27×add-sqr-sqrt
26×*-un-lft-identity
24×times-frac
23×cbrt-undiv div-exp
17×prod-exp cbrt-unprod
16×add-cube-cbrt
13×associate-*l*
11×associate-*r*
associate-/r*
associate-/r/ associate-/l/
pow1 associate-*r/
div-inv
expm1-log1p-u flip3-- flip-- log1p-expm1-u distribute-lft-out-- add-log-exp difference-of-squares
frac-times frac-2neg associate-*l/ clear-num distribute-lft-out associate-/l* unswap-sqr
flip3-+ pow-prod-down *-commutative frac-sub flip-+
Counts
3 → 124
Calls
3 calls:
178.0ms
(/ (* (/ PI 2.0) (/ (* 1.0 (- (/ 1.0 a) (/ 1.0 b))) (- b a))) (+ b a))
666.0ms
(/ (* 1.0 (- (/ 1.0 a) (/ 1.0 b))) (- b a))
210.0ms
(* (/ PI 2.0) (/ (* 1.0 (- (/ 1.0 a) (/ 1.0 b))) (- b a)))

series374.0ms

Counts
3 → 9
Calls
3 calls:
170.0ms
(/ (* (/ PI 2.0) (/ (* 1.0 (- (/ 1.0 a) (/ 1.0 b))) (- b a))) (+ b a))
82.0ms
(/ (* 1.0 (- (/ 1.0 a) (/ 1.0 b))) (- b a))
122.0ms
(* (/ PI 2.0) (/ (* 1.0 (- (/ 1.0 a) (/ 1.0 b))) (- b a)))

simplify3.2s

Counts
133 → 133
Iterations

Useful iterations: done (3.2s)

IterNodesCost
02133012
16792945
243852351
done50002341

prune800.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0b

regimes249.0ms

Accuracy

0% (0.3b remaining)

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

bsearch0.0ms

simplify6.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01521
11821
done1821

end0.0ms

sample2.0s

Algorithm
intervals
Results
1.5s9585×body80valid