Details

Time bar (total: 13.8s)

sample47.0ms

Algorithm
intervals
Results
27.0ms308×body80valid

simplify2.0s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01521
13021
28921
337821
4178921
done500021

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 15.1b

localize15.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
1.2b
(/ 1.0 (- (* b b) (* a a)))
2.8b
(- (* b b) (* a a))
10.8b
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite302.0ms

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:
61.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
28.0ms
(/ 1.0 (- (* b b) (* a a)))
18.0ms
(- (* b b) (* a a))
182.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

series357.0ms

Counts
4 → 12
Calls
4 calls:
102.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
74.0ms
(/ 1.0 (- (* b b) (* a a)))
41.0ms
(- (* b b) (* a a))
140.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

simplify601.0ms

Counts
165 → 165
Iterations

Useful iterations: done (591.0ms)

IterNodesCost
02583239
18733170
done50002752

prune627.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 10.6b

localize15.0ms

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 (- b a)))
0.3b
(/ (/ PI 2.0) (+ b a))
10.8b
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite412.0ms

Algorithm
rewrite-expression-head
Rules
229×times-frac
185×*-un-lft-identity
160×add-sqr-sqrt
109×add-cube-cbrt
59×add-exp-log associate-*l* add-cbrt-cube
33×associate-*r*
27×distribute-lft-out
21×cbrt-undiv div-exp
19×prod-exp cbrt-unprod
16×div-inv
14×frac-times
13×associate-/l* distribute-lft-out--
11×pow1 difference-of-squares
associate-*r/ associate-*l/
flip3-- associate-/r/ flip-- add-log-exp unswap-sqr
frac-sub
pow-prod-down associate-/r*
sub-neg
distribute-rgt-in distribute-lft-in flip3-+ *-commutative flip-+
frac-2neg diff-log clear-num associate-/l/
Counts
4 → 273
Calls
4 calls:
50.0ms
(- (/ 1.0 a) (/ 1.0 b))
132.0ms
(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a)))
21.0ms
(/ (/ PI 2.0) (+ b a))
190.0ms
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

series379.0ms

Counts
4 → 12
Calls
4 calls:
48.0ms
(- (/ 1.0 a) (/ 1.0 b))
116.0ms
(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a)))
88.0ms
(/ (/ PI 2.0) (+ b a))
127.0ms
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

simplify671.0ms

Counts
285 → 285
Iterations

Useful iterations: done (650.0ms)

IterNodesCost
04055259
113355084
done50014552

prune1.2s

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.0b

localize25.0ms

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

rewrite468.0ms

Algorithm
rewrite-expression-head
Rules
221×times-frac
185×*-un-lft-identity
144×add-sqr-sqrt
109×add-cube-cbrt
79×associate-*l*
50×add-exp-log add-cbrt-cube
27×distribute-lft-out
17×prod-exp cbrt-unprod
16×cbrt-undiv frac-times associate-*r/ div-exp div-inv
13×associate-*r* associate-/l* distribute-lft-out--
11×pow1 difference-of-squares
10×distribute-rgt-in distribute-lft-in
flip3-- flip--
sub-neg frac-sub
associate-/r/ add-log-exp
pow-prod-down associate-*l/ associate-/r*
flip3-+ *-commutative flip-+ unswap-sqr
frac-2neg diff-log clear-num associate-/l/
Counts
4 → 277
Calls
4 calls:
53.0ms
(- (/ 1.0 a) (/ 1.0 b))
233.0ms
(* (/ (/ PI 2.0) (+ b a)) (* (/ 1.0 (- b a)) (- (/ 1.0 a) (/ 1.0 b))))
24.0ms
(/ (/ PI 2.0) (+ b a))
137.0ms
(* (/ 1.0 (- b a)) (- (/ 1.0 a) (/ 1.0 b)))

series744.0ms

Counts
4 → 12
Calls
4 calls:
40.0ms
(- (/ 1.0 a) (/ 1.0 b))
561.0ms
(* (/ (/ PI 2.0) (+ b a)) (* (/ 1.0 (- b a)) (- (/ 1.0 a) (/ 1.0 b))))
81.0ms
(/ (/ PI 2.0) (+ b a))
62.0ms
(* (/ 1.0 (- b a)) (- (/ 1.0 a) (/ 1.0 b)))

simplify649.0ms

Counts
289 → 289
Iterations

Useful iterations: done (629.0ms)

IterNodesCost
04095721
112995569
done50005045

prune825.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.0b

localize10.0ms

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))
0.4b
(/ 1.0 (* a b))

rewrite113.0ms

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/
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 → 205
Calls
3 calls:
70.0ms
(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (* a b)))
18.0ms
(/ (/ PI 2.0) (+ b a))
13.0ms
(/ 1.0 (* a b))

series213.0ms

Counts
3 → 9
Calls
3 calls:
101.0ms
(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (* a b)))
81.0ms
(/ (/ PI 2.0) (+ b a))
30.0ms
(/ 1.0 (* a b))

simplify2.1s

Counts
214 → 214
Iterations

Useful iterations: 2 (737.0ms)

IterNodesCost
02863228
18843095
247092765
done50012765

prune511.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0b

regimes83.0ms

Accuracy

0% (0.3b 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
11413
done1413

end0.0ms

sample1.5s

Algorithm
intervals
Results
1.1s9597×body80valid