Details

Time bar (total: 8.3s)

sample24.0ms

Algorithm
intervals
Results
14.0ms315×body80valid

simplify460.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01521
13021
28621
335221
4142621
done500121

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 12.2b

localize13.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
0.6b
(/ 1.0 (- (* b b) (* a a)))
3.5b
(- (* b b) (* a a))
8.1b
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite111.0ms

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:
23.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
5.0ms
(/ 1.0 (- (* b b) (* a a)))
3.0ms
(- (* b b) (* a a))
72.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

series211.0ms

Counts
4 → 12
Calls
4 calls:
55.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
41.0ms
(/ 1.0 (- (* b b) (* a a)))
30.0ms
(- (* b b) (* a a))
86.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

simplify1.3s

Counts
165 → 165
Iterations

Useful iterations: 2 (288.0ms)

IterNodesCost
02583239
18103164
240482682
done50002682

prune411.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 7.9b

localize12.0ms

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))
8.1b
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite181.0ms

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:
5.0ms
(/ 1.0 (- b a))
56.0ms
(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a)))
9.0ms
(/ (/ PI 2.0) (+ b a))
95.0ms
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

series246.0ms

Counts
4 → 12
Calls
4 calls:
40.0ms
(/ 1.0 (- b a))
61.0ms
(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a)))
48.0ms
(/ (/ PI 2.0) (+ b a))
97.0ms
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

simplify378.0ms

Counts
300 → 300
Iterations

Useful iterations: 1 (91.0ms)

IterNodesCost
04065324
112755137
done50005137

prune692.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0.0b

localize12.0ms

Local error

Found 3 expressions with local error:

0.1b
(/ (* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (/ 1.0 a) (/ 1.0 b))) (- b a))
0.2b
(/ (/ PI 2.0) (+ b a))
0.3b
(* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (/ 1.0 a) (/ 1.0 b)))

rewrite160.0ms

Algorithm
rewrite-expression-head
Rules
112×times-frac
97×*-un-lft-identity
73×add-sqr-sqrt
57×add-cube-cbrt
42×add-exp-log add-cbrt-cube
14×cbrt-undiv div-exp prod-exp cbrt-unprod distribute-lft-out associate-/l*
12×associate-*r*
10×associate-*l/
associate-/r* div-inv
pow1 associate-/l/
distribute-lft-out--
frac-times associate-*r/ difference-of-squares
flip3-- flip--
associate-/r/ frac-sub
pow-prod-down add-log-exp
distribute-rgt-in sub-neg frac-2neg distribute-lft-in clear-num
flip3-+ associate-*l* *-commutative flip-+
Counts
3 → 168
Calls
3 calls:
61.0ms
(/ (* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (/ 1.0 a) (/ 1.0 b))) (- b a))
9.0ms
(/ (/ PI 2.0) (+ b a))
81.0ms
(* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (/ 1.0 a) (/ 1.0 b)))

series242.0ms

Counts
3 → 9
Calls
3 calls:
91.0ms
(/ (* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (/ 1.0 a) (/ 1.0 b))) (- b a))
51.0ms
(/ (/ PI 2.0) (+ b a))
100.0ms
(* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (/ 1.0 a) (/ 1.0 b)))

simplify1.2s

Counts
177 → 177
Iterations

Useful iterations: 2 (307.0ms)

IterNodesCost
03163462
19043322
241842852
done50012852

prune394.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 0b

localize16.0ms

Local error

Found 3 expressions with local error:

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

rewrite126.0ms

Algorithm
rewrite-expression-head
Rules
504×times-frac
405×add-sqr-sqrt
369×*-un-lft-identity
139×add-cube-cbrt
117×distribute-lft-out--
101×difference-of-squares
83×associate-/r*
42×add-exp-log add-cbrt-cube div-inv
22×cbrt-undiv div-exp
19×associate-/l*
14×distribute-lft-out
12×associate-/r/
prod-exp cbrt-unprod
flip3-- flip-- associate-/l/
pow1 frac-2neg clear-num frac-sub add-log-exp
flip3-+ div-sub associate-*l/ flip-+
Counts
3 → 344
Calls
3 calls:
53.0ms
(/ (* (/ (/ PI 2.0) (+ b a)) 1.0) (/ (- b a) (- (/ 1.0 a) (/ 1.0 b))))
9.0ms
(/ (/ PI 2.0) (+ b a))
35.0ms
(/ (- b a) (- (/ 1.0 a) (/ 1.0 b)))

series197.0ms

Counts
3 → 9
Calls
3 calls:
95.0ms
(/ (* (/ (/ PI 2.0) (+ b a)) 1.0) (/ (- b a) (- (/ 1.0 a) (/ 1.0 b))))
55.0ms
(/ (/ PI 2.0) (+ b a))
47.0ms
(/ (- b a) (- (/ 1.0 a) (/ 1.0 b)))

simplify437.0ms

Counts
353 → 353
Iterations

Useful iterations: 1 (123.0ms)

IterNodesCost
05328164
114977758
done50007758

prune887.0ms

Pruning

8 alts after pruning (5 fresh and 3 done)

Merged error: 0b

regimes62.0ms

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
01521
11821
done1821

end0.0ms

sample586.0ms

Algorithm
intervals
Results
427.0ms9578×body80valid