Details

Time bar (total: 9.4s)

sample26.0ms

Algorithm
intervals
Results
16.0ms304×body80valid

simplify471.0ms

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: 14.1b

localize13.0ms

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)))
3.8b
(- (* b b) (* a a))
9.8b
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite110.0ms

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:
22.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
5.0ms
(/ 1.0 (- (* b b) (* a a)))
3.0ms
(- (* b b) (* a a))
71.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

series222.0ms

Counts
4 → 12
Calls
4 calls:
54.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
47.0ms
(/ 1.0 (- (* b b) (* a a)))
30.0ms
(- (* b b) (* a a))
91.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

simplify1.6s

Counts
165 → 165
Iterations

Useful iterations: 2 (309.0ms)

IterNodesCost
02583239
18103164
242872682
done50002682

prune417.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 9.6b

localize13.0ms

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))
9.8b
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite195.0ms

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:
17.0ms
(- (/ 1.0 a) (/ 1.0 b))
56.0ms
(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a)))
9.0ms
(/ (/ PI 2.0) (+ b a))
96.0ms
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

series245.0ms

Counts
4 → 12
Calls
4 calls:
31.0ms
(- (/ 1.0 a) (/ 1.0 b))
65.0ms
(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a)))
54.0ms
(/ (/ PI 2.0) (+ b a))
95.0ms
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

simplify413.0ms

Counts
285 → 285
Iterations

Useful iterations: 1 (99.0ms)

IterNodesCost
04055259
112825078
done50005078

prune685.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.0b

localize13.0ms

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

rewrite209.0ms

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:
17.0ms
(- (/ 1.0 a) (/ 1.0 b))
91.0ms
(* (/ (/ PI 2.0) (+ b a)) (* (/ 1.0 (- b a)) (- (/ 1.0 a) (/ 1.0 b))))
76.0ms
(* (/ 1.0 (- b a)) (- (/ 1.0 a) (/ 1.0 b)))
9.0ms
(/ (/ PI 2.0) (+ b a))

series239.0ms

Counts
4 → 12
Calls
4 calls:
31.0ms
(- (/ 1.0 a) (/ 1.0 b))
101.0ms
(* (/ (/ PI 2.0) (+ b a)) (* (/ 1.0 (- b a)) (- (/ 1.0 a) (/ 1.0 b))))
51.0ms
(* (/ 1.0 (- b a)) (- (/ 1.0 a) (/ 1.0 b)))
55.0ms
(/ (/ PI 2.0) (+ b a))

simplify400.0ms

Counts
289 → 289
Iterations

Useful iterations: done (391.0ms)

IterNodesCost
04095721
112345569
done50015545

prune885.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 0.0b

localize13.0ms

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

rewrite157.0ms

Algorithm
rewrite-expression-head
Rules
208×times-frac
169×*-un-lft-identity
128×add-sqr-sqrt
101×add-cube-cbrt
58×associate-*l*
50×add-exp-log add-cbrt-cube
27×distribute-lft-out
20×cbrt-undiv div-exp
15×div-inv
14×associate-/l*
13×prod-exp cbrt-unprod
11×associate-*r*
associate-/r*
associate-/r/ distribute-lft-out--
difference-of-squares
pow1 add-log-exp
flip3-- associate-*r/ flip-- 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 → 240
Calls
4 calls:
17.0ms
(- (/ 1.0 a) (/ 1.0 b))
93.0ms
(* (/ (/ PI 2.0) (+ b a)) (/ (* 1.0 (- (/ 1.0 a) (/ 1.0 b))) (- b a)))
23.0ms
(/ (* 1.0 (- (/ 1.0 a) (/ 1.0 b))) (- b a))
10.0ms
(/ (/ PI 2.0) (+ b a))

series232.0ms

Counts
4 → 12
Calls
4 calls:
30.0ms
(- (/ 1.0 a) (/ 1.0 b))
94.0ms
(* (/ (/ PI 2.0) (+ b a)) (/ (* 1.0 (- (/ 1.0 a) (/ 1.0 b))) (- b a)))
54.0ms
(/ (* 1.0 (- (/ 1.0 a) (/ 1.0 b))) (- b a))
53.0ms
(/ (/ PI 2.0) (+ b a))

simplify1.6s

Counts
252 → 252
Iterations

Useful iterations: 2 (365.0ms)

IterNodesCost
03574933
110744789
248304215
done50004215

prune586.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0b

regimes71.0ms

Accuracy

0% (0.2b remaining)

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

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01113
11413
done1413

end0.0ms

sample595.0ms

Algorithm
intervals
Results
433.0ms9589×body80valid