Details

Time bar (total: 21.9s)

sample62.0ms

Algorithm
intervals
Results
38.0ms314×body80valid

simplify2.6s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01521
13121
29021
338421
4166321
done500021

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 13.2b

localize23.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
0.4b
(/ 1.0 (- (* b b) (* a a)))
3.7b
(- (* b b) (* a a))
9.0b
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite358.0ms

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:
50.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
16.0ms
(/ 1.0 (- (* b b) (* a a)))
17.0ms
(- (* b b) (* a a))
226.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

series255.0ms

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)))
38.0ms
(- (* b b) (* a a))
105.0ms
(* (* (/ 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

prune1.5s

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 8.8b

localize24.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1.0 (- b a))
0.1b
(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a)))
0.3b
(/ (/ PI 2.0) (+ b a))
9.0b
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite536.0ms

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:
19.0ms
(/ 1.0 (- b a))
111.0ms
(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a)))
20.0ms
(/ (/ PI 2.0) (+ b a))
290.0ms
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

series329.0ms

Counts
4 → 12
Calls
4 calls:
51.0ms
(/ 1.0 (- b a))
91.0ms
(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a)))
58.0ms
(/ (/ PI 2.0) (+ b a))
129.0ms
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

simplify2.3s

Counts
646 → 646
Iterations

Useful iterations: done (2.3s)

IterNodesCost
0103129916
1273327749
done500124229

prune1.9s

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.0b

localize16.0ms

Local error

Found 4 expressions with local error:

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

rewrite519.0ms

Algorithm
rewrite-expression-head
Rules
451×times-frac
358×*-un-lft-identity
317×add-sqr-sqrt
290×add-cube-cbrt
169×prod-diff
58×associate-*l*
50×add-exp-log add-cbrt-cube
42×div-inv
27×distribute-lft-out
20×cbrt-undiv div-exp
14×associate-/l*
13×fma-neg prod-exp cbrt-unprod
11×associate-*r*
associate-/r*
associate-/r/ distribute-lft-out--
difference-of-squares
pow1 add-log-exp
expm1-log1p-u flip3-- associate-*r/ flip-- log1p-expm1-u associate-/l/
unswap-sqr
frac-2neg flip3-+ clear-num frac-sub flip-+
frac-times sub-neg diff-log pow-prod-down associate-*l/ *-commutative
Counts
4 → 430
Calls
4 calls:
50.0ms
(- (/ 1.0 a) (/ 1.0 b))
212.0ms
(* (/ (/ PI 2.0) (+ b a)) (/ (* 1.0 (- (/ 1.0 a) (/ 1.0 b))) (- b a)))
183.0ms
(/ (* 1.0 (- (/ 1.0 a) (/ 1.0 b))) (- b a))
27.0ms
(/ (/ PI 2.0) (+ b a))

series372.0ms

Counts
4 → 12
Calls
4 calls:
41.0ms
(- (/ 1.0 a) (/ 1.0 b))
130.0ms
(* (/ (/ PI 2.0) (+ b a)) (/ (* 1.0 (- (/ 1.0 a) (/ 1.0 b))) (- b a)))
93.0ms
(/ (* 1.0 (- (/ 1.0 a) (/ 1.0 b))) (- b a))
107.0ms
(/ (/ PI 2.0) (+ b a))

simplify2.8s

Counts
442 → 442
Iterations

Useful iterations: 2 (1.3s)

IterNodesCost
061512603
1159111429
248728855
done50008855

prune1.5s

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0b

localize21.0ms

Local error

Found 3 expressions with local error:

0.2b
(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (* a b)))
0.3b
(/ (/ PI 2.0) (+ b a))
0.5b
(/ 1.0 (* a b))

rewrite160.0ms

Algorithm
rewrite-expression-head
Rules
194×times-frac
152×*-un-lft-identity
107×add-sqr-sqrt
98×add-cube-cbrt
58×associate-*l*
49×add-exp-log add-cbrt-cube
27×distribute-lft-out
20×cbrt-undiv div-exp
16×associate-/l*
13×prod-exp cbrt-unprod div-inv
associate-*r*
pow1 associate-/r*
associate-/r/
expm1-log1p-u log1p-expm1-u add-log-exp unswap-sqr
frac-2neg flip3-+ clear-num flip-+
frac-times associate-*r/ pow-prod-down associate-*l/ *-commutative associate-/l/
Counts
3 → 211
Calls
3 calls:
93.0ms
(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (* a b)))
38.0ms
(/ (/ PI 2.0) (+ b a))
16.0ms
(/ 1.0 (* a b))

series255.0ms

Counts
3 → 9
Calls
3 calls:
118.0ms
(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (* a b)))
94.0ms
(/ (/ PI 2.0) (+ b a))
41.0ms
(/ 1.0 (* a b))

simplify1.8s

Counts
220 → 220
Iterations

Useful iterations: 2 (658.0ms)

IterNodesCost
02923284
18293148
230862820
done50012820

prune725.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0b

regimes98.0ms

Accuracy

0% (0.2b remaining)

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

bsearch0.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01113
11413
done1413

end0.0ms

sample1.9s

Algorithm
intervals
Results
1.6s9575×body80valid