Details

Time bar (total: 23.0s)

sample29.0ms

Algorithm
intervals
Results
18.0ms300×body80valid

simplify2.6s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01521
13121
29021
338421
4166321
done500021

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 16.1b

localize16.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
0.8b
(/ 1.0 (- (* b b) (* a a)))
5.5b
(- (* b b) (* a a))
9.2b
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite432.0ms

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:
91.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
32.0ms
(/ 1.0 (- (* b b) (* a a)))
18.0ms
(- (* b b) (* a a))
205.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

series328.0ms

Counts
4 → 12
Calls
4 calls:
76.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
52.0ms
(/ 1.0 (- (* b b) (* a a)))
53.0ms
(- (* b b) (* a a))
146.0ms
(* (* (/ 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

prune1.4s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 8.8b

localize20.0ms

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))
9.2b
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite594.0ms

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:
22.0ms
(/ 1.0 (- b a))
142.0ms
(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a)))
21.0ms
(/ (/ PI 2.0) (+ b a))
299.0ms
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

series416.0ms

Counts
4 → 12
Calls
4 calls:
59.0ms
(/ 1.0 (- b a))
116.0ms
(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a)))
60.0ms
(/ (/ PI 2.0) (+ b a))
181.0ms
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

simplify2.1s

Counts
646 → 646
Iterations

Useful iterations: done (2.1s)

IterNodesCost
0103129916
1273327749
done500124229

prune1.9s

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 0.0b

localize18.0ms

Local error

Found 4 expressions with local error:

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

rewrite389.0ms

Algorithm
rewrite-expression-head
Rules
103×add-exp-log add-cbrt-cube
98×times-frac
85×*-un-lft-identity
57×add-sqr-sqrt
55×add-cube-cbrt
46×prod-exp cbrt-unprod
30×cbrt-undiv div-exp
14×pow1 distribute-lft-out associate-/l*
12×associate-*l/
div-inv
flip3-- associate-*l* pow-prod-down flip-- associate-/l/
associate-/r*
expm1-log1p-u frac-times associate-*r/ associate-*r* associate-/r/ log1p-expm1-u add-log-exp
distribute-rgt-in distribute-lft-in
sub-neg frac-2neg prod-diff clear-num *-commutative
flip3-+ flip-+ distribute-lft-out-- difference-of-squares
Counts
4 → 199
Calls
4 calls:
59.0ms
(* (- b a) (* a b))
32.0ms
(/ (/ PI 2.0) (+ b a))
135.0ms
(* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (* 1.0 b) (* a 1.0)))
145.0ms
(/ (* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (* 1.0 b) (* a 1.0))) (* (- b a) (* a b)))

series538.0ms

Counts
4 → 12
Calls
4 calls:
74.0ms
(* (- b a) (* a b))
100.0ms
(/ (/ PI 2.0) (+ b a))
168.0ms
(* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (* 1.0 b) (* a 1.0)))
195.0ms
(/ (* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (* 1.0 b) (* a 1.0))) (* (- b a) (* a b)))

simplify3.6s

Counts
211 → 211
Iterations

Useful iterations: 2 (1.9s)

IterNodesCost
03454740
19704535
246163341
done50003341

prune641.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0b

localize19.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (- b a) (* a b))
0.2b
(/ (* (/ (/ PI 2.0) (+ b a)) 1.0) (/ (* (- b a) (* a b)) (* 1.0 (- b a))))
0.3b
(/ (/ PI 2.0) (+ b a))
13.9b
(/ (* (- b a) (* a b)) (* 1.0 (- b a)))

rewrite267.0ms

Algorithm
rewrite-expression-head
Rules
193×add-exp-log add-cbrt-cube
107×times-frac
86×*-un-lft-identity
82×cbrt-undiv div-exp
69×prod-exp cbrt-unprod
58×add-sqr-sqrt
56×add-cube-cbrt
15×associate-/l*
14×distribute-lft-out
12×associate-/r*
10×div-inv
pow1 associate-/r/
associate-*r/
flip3-- associate-*l* associate-*l/ flip--
expm1-log1p-u log1p-expm1-u associate-/l/ add-log-exp
frac-2neg pow-prod-down clear-num
flip3-+ associate-*r* *-commutative flip-+ distribute-lft-out-- difference-of-squares
Counts
4 → 228
Calls
4 calls:
68.0ms
(* (- b a) (* a b))
99.0ms
(/ (* (/ (/ PI 2.0) (+ b a)) 1.0) (/ (* (- b a) (* a b)) (* 1.0 (- b a))))
42.0ms
(/ (/ PI 2.0) (+ b a))
44.0ms
(/ (* (- b a) (* a b)) (* 1.0 (- b a)))

series268.0ms

Counts
4 → 12
Calls
4 calls:
50.0ms
(* (- b a) (* a b))
99.0ms
(/ (* (/ (/ PI 2.0) (+ b a)) 1.0) (/ (* (- b a) (* a b)) (* 1.0 (- b a))))
97.0ms
(/ (/ PI 2.0) (+ b a))
23.0ms
(/ (* (- b a) (* a b)) (* 1.0 (- b a)))

simplify3.2s

Counts
240 → 240
Iterations

Useful iterations: 2 (1.5s)

IterNodesCost
03625835
19855550
244963990
done50013990

prune682.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0b

regimes110.0ms

Accuracy

0% (0.2b remaining)

Error of 0.2b against oracle of 0.0b and baseline of 0.2b

bsearch0.0ms

simplify5.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01215
11615
done1615

end0.0ms

sample1.5s

Algorithm
intervals
Results
1.2s9623×body80valid