Details

Time bar (total: 18.8s)

sample63.0ms

Algorithm
intervals
Results
35.0ms302×body80valid

simplify2.6s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01521
13021
28921
337821
4178921
done500021

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 14.5b

localize41.0ms

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)))

rewrite352.0ms

Algorithm
rewrite-expression-head
Rules
55×add-sqr-sqrt
47×times-frac
39×*-un-lft-identity
36×add-exp-log add-cbrt-cube
31×add-cube-cbrt
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
div-inv distribute-lft-out--
pow-prod-down associate-/r* associate-/r/ frac-sub unswap-sqr
sub-neg associate-/l*
distribute-rgt-in distribute-lft-in *-commutative
frac-2neg diff-log clear-num
Counts
4 → 153
Calls
4 calls:
81.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
29.0ms
(/ 1.0 (- (* b b) (* a a)))
14.0ms
(- (* b b) (* a a))
216.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

series389.0ms

Counts
4 → 12
Calls
4 calls:
98.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
72.0ms
(/ 1.0 (- (* b b) (* a a)))
66.0ms
(- (* b b) (* a a))
152.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

simplify696.0ms

Counts
165 → 165
Iterations

Useful iterations: done (688.0ms)

IterNodesCost
02583239
18733170
done50002752

prune1.1s

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 9.6b

localize39.0ms

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)))

rewrite499.0ms

Algorithm
rewrite-expression-head
Rules
234×times-frac
193×*-un-lft-identity
164×add-sqr-sqrt
117×add-cube-cbrt
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*
15×div-inv
14×frac-times
12×distribute-lft-out--
11×pow1 difference-of-squares
associate-/r*
associate-*r/ associate-*l/ associate-/r/
flip3-- flip-- unswap-sqr
pow-prod-down frac-sub add-log-exp
distribute-rgt-in sub-neg frac-2neg distribute-lft-in flip3-+ clear-num *-commutative flip-+
associate-/l/
Counts
4 → 288
Calls
4 calls:
20.0ms
(/ 1.0 (- b a))
139.0ms
(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a)))
33.0ms
(/ (/ PI 2.0) (+ b a))
273.0ms
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

series450.0ms

Counts
4 → 12
Calls
4 calls:
78.0ms
(/ 1.0 (- b a))
110.0ms
(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a)))
99.0ms
(/ (/ PI 2.0) (+ b a))
163.0ms
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

simplify959.0ms

Counts
300 → 300
Iterations

Useful iterations: done (943.0ms)

IterNodesCost
04065324
113385143
done50014635

prune2.0s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.0b

localize47.0ms

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)))

rewrite461.0ms

Algorithm
rewrite-expression-head
Rules
73×add-sqr-sqrt
61×add-exp-log *-un-lft-identity add-cbrt-cube
57×times-frac
35×add-cube-cbrt
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/ div-inv
pow-prod-down associate-/l* add-log-exp unswap-sqr
distribute-rgt-in sub-neg frac-2neg distribute-lft-in clear-num *-commutative distribute-lft-out
flip3-+ flip-+
Counts
4 → 195
Calls
4 calls:
20.0ms
(/ 1.0 (- b a))
156.0ms
(/ (* (* (/ PI 2.0) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b))) (+ b a))
194.0ms
(* (* (/ PI 2.0) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))
76.0ms
(* (/ PI 2.0) (/ 1.0 (- b a)))

series488.0ms

Counts
4 → 12
Calls
4 calls:
79.0ms
(/ 1.0 (- b a))
179.0ms
(/ (* (* (/ PI 2.0) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b))) (+ b a))
124.0ms
(* (* (/ PI 2.0) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))
106.0ms
(* (/ PI 2.0) (/ 1.0 (- b a)))

simplify785.0ms

Counts
207 → 207
Iterations

Useful iterations: done (774.0ms)

IterNodesCost
03053755
110143632
done50003086

prune1.4s

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0b

localize47.0ms

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

rewrite505.0ms

Algorithm
rewrite-expression-head
Rules
226×times-frac
193×*-un-lft-identity
148×add-sqr-sqrt
117×add-cube-cbrt
79×associate-*l*
52×add-exp-log add-cbrt-cube
27×distribute-lft-out
17×cbrt-undiv div-exp prod-exp cbrt-unprod
16×frac-times associate-*r/ associate-/l*
15×div-inv
13×associate-*r*
12×distribute-lft-out--
11×pow1 difference-of-squares
10×distribute-rgt-in distribute-lft-in
associate-/r*
flip3-- associate-/r/ flip--
sub-neg frac-sub
pow-prod-down associate-*l/ add-log-exp
frac-2neg flip3-+ clear-num *-commutative flip-+ unswap-sqr
associate-/l/
Counts
4 → 292
Calls
4 calls:
20.0ms
(/ 1.0 (- b a))
248.0ms
(* (/ (/ PI 2.0) (+ b a)) (* (/ 1.0 (- b a)) (- (/ 1.0 a) (/ 1.0 b))))
32.0ms
(/ (/ PI 2.0) (+ b a))
179.0ms
(* (/ 1.0 (- b a)) (- (/ 1.0 a) (/ 1.0 b)))

series440.0ms

Counts
4 → 12
Calls
4 calls:
69.0ms
(/ 1.0 (- b a))
164.0ms
(* (/ (/ PI 2.0) (+ b a)) (* (/ 1.0 (- b a)) (- (/ 1.0 a) (/ 1.0 b))))
97.0ms
(/ (/ PI 2.0) (+ b a))
110.0ms
(* (/ 1.0 (- b a)) (- (/ 1.0 a) (/ 1.0 b)))

simplify946.0ms

Counts
304 → 304
Iterations

Useful iterations: done (930.0ms)

IterNodesCost
04125786
113295628
done50015120

prune2.0s

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0b

regimes189.0ms

Accuracy

0% (0.2b remaining)

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

bsearch0.0ms

simplify4.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01113
11413
done1413

end0.0ms

sample2.4s

Algorithm
intervals
Results
1.9s9585×body80valid