Details

Time bar (total: 21.7s)

sample49.0ms

Algorithm
intervals
Results
29.0ms320×body80valid

simplify2.5s

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

localize30.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
0.8b
(/ 1.0 (- (* b b) (* a a)))
3.0b
(- (* b b) (* a a))
9.7b
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite431.0ms

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:
47.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
24.0ms
(/ 1.0 (- (* b b) (* a a)))
20.0ms
(- (* b b) (* a a))
279.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

series327.0ms

Counts
4 → 12
Calls
4 calls:
80.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
51.0ms
(/ 1.0 (- (* b b) (* a a)))
47.0ms
(- (* b b) (* a a))
148.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

simplify2.0s

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: 9.5b

localize18.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (sqrt 1.0) (- b a))
0.1b
(* (* (/ PI 2.0) (/ (sqrt 1.0) (+ b a))) (/ (sqrt 1.0) (- b a)))
0.4b
(* (/ PI 2.0) (/ (sqrt 1.0) (+ b a)))
9.7b
(* (* (* (/ PI 2.0) (/ (sqrt 1.0) (+ b a))) (/ (sqrt 1.0) (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite796.0ms

Algorithm
rewrite-expression-head
Rules
578×times-frac
486×add-sqr-sqrt
475×*-un-lft-identity
429×add-cube-cbrt
338×prod-diff
171×distribute-rgt-in distribute-lft-in
112×add-exp-log add-cbrt-cube
78×associate-*r*
58×div-inv
51×prod-exp cbrt-unprod
47×frac-times sqrt-prod
33×associate-*l/
31×cbrt-undiv div-exp
20×pow1
19×associate-*r/
18×distribute-lft-out--
17×difference-of-squares
15×associate-*l*
10×flip3-- pow-prod-down flip--
frac-sub
associate-/r/ distribute-lft-out associate-/l* unswap-sqr
associate-/r*
expm1-log1p-u log1p-expm1-u add-log-exp
*-commutative
sub-neg
frac-2neg flip3-+ clear-num flip-+
Counts
4 → 625
Calls
4 calls:
26.0ms
(/ (sqrt 1.0) (- b a))
106.0ms
(* (* (/ PI 2.0) (/ (sqrt 1.0) (+ b a))) (/ (sqrt 1.0) (- b a)))
45.0ms
(* (/ PI 2.0) (/ (sqrt 1.0) (+ b a)))
545.0ms
(* (* (* (/ PI 2.0) (/ (sqrt 1.0) (+ b a))) (/ (sqrt 1.0) (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

series1.0s

Counts
4 → 12
Calls
4 calls:
117.0ms
(/ (sqrt 1.0) (- b a))
313.0ms
(* (* (/ PI 2.0) (/ (sqrt 1.0) (+ b a))) (/ (sqrt 1.0) (- b a)))
221.0ms
(* (/ PI 2.0) (/ (sqrt 1.0) (+ b a)))
390.0ms
(* (* (* (/ PI 2.0) (/ (sqrt 1.0) (+ b a))) (/ (sqrt 1.0) (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

simplify2.2s

Counts
637 → 637
Iterations

Useful iterations: done (2.1s)

IterNodesCost
0102333844
1277531117
done500127713

prune1.9s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.0b

localize17.0ms

Local error

Found 4 expressions with local error:

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

rewrite534.0ms

Algorithm
rewrite-expression-head
Rules
742×times-frac
598×add-sqr-sqrt
588×*-un-lft-identity
566×add-cube-cbrt
507×prod-diff
171×distribute-rgt-in distribute-lft-in
86×div-inv
50×add-exp-log add-cbrt-cube
17×prod-exp cbrt-unprod
16×cbrt-undiv div-exp
13×fma-neg distribute-lft-out--
12×associate-*r*
11×associate-*l* difference-of-squares
associate-*r/
flip3-- flip-- associate-/l/
pow1 frac-times associate-/r* associate-/r/ add-log-exp
frac-sub
expm1-log1p-u log1p-expm1-u
sub-neg
frac-2neg associate-*l/ clear-num associate-/l*
flip3-+ diff-log pow-prod-down *-commutative flip-+ unswap-sqr
Counts
4 → 665
Calls
4 calls:
43.0ms
(- (/ 1.0 a) (/ 1.0 b))
183.0ms
(/ (* (/ (* PI 1.0) (- b a)) (- (/ 1.0 a) (/ 1.0 b))) (* 2.0 (+ b a)))
19.0ms
(/ (* PI 1.0) (- b a))
215.0ms
(* (/ (* PI 1.0) (- b a)) (- (/ 1.0 a) (/ 1.0 b)))

series378.0ms

Counts
4 → 12
Calls
4 calls:
48.0ms
(- (/ 1.0 a) (/ 1.0 b))
154.0ms
(/ (* (/ (* PI 1.0) (- b a)) (- (/ 1.0 a) (/ 1.0 b))) (* 2.0 (+ b a)))
72.0ms
(/ (* PI 1.0) (- b a))
103.0ms
(* (/ (* PI 1.0) (- b a)) (- (/ 1.0 a) (/ 1.0 b)))

simplify1.9s

Counts
677 → 677
Iterations

Useful iterations: done (1.8s)

IterNodesCost
085630947
1222427783
done500122870

prune2.1s

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0b

localize17.0ms

Local error

Found 2 expressions with local error:

0.2b
(/ (* 1.0 (/ PI (* a b))) (* 2.0 (+ b a)))
0.5b
(/ PI (* a b))

rewrite84.0ms

Algorithm
rewrite-expression-head
Rules
39×add-exp-log add-cbrt-cube
14×cbrt-undiv div-exp
13×prod-exp cbrt-unprod
add-sqr-sqrt add-cube-cbrt *-un-lft-identity times-frac associate-/l*
associate-*r/
pow1 expm1-log1p-u frac-2neg clear-num associate-/r* associate-/r/ log1p-expm1-u div-inv add-log-exp
flip3-+ flip-+ associate-/l/
Counts
2 → 57
Calls
2 calls:
56.0ms
(/ (* 1.0 (/ PI (* a b))) (* 2.0 (+ b a)))
24.0ms
(/ PI (* a b))

series148.0ms

Counts
2 → 6
Calls
2 calls:
111.0ms
(/ (* 1.0 (/ PI (* a b))) (* 2.0 (+ b a)))
37.0ms
(/ PI (* a b))

simplify1.5s

Counts
63 → 63
Iterations

Useful iterations: 2 (396.0ms)

IterNodesCost
0122941
1367902
21935650
done5000650

prune152.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0b

regimes135.0ms

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

sample2.1s

Algorithm
intervals
Results
1.7s9591×body80valid