Details

Time bar (total: 24.7s)

sample57.0ms

Algorithm
intervals
Results
36.0ms308×body80valid

simplify2.2s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01521
13121
29021
338521
4186021
done500121

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 15.1b

localize47.0ms

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)))

rewrite333.0ms

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:
61.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
14.0ms
(/ 1.0 (- (* b b) (* a a)))
16.0ms
(- (* b b) (* a a))
195.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

series347.0ms

Counts
4 → 12
Calls
4 calls:
107.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
90.0ms
(/ 1.0 (- (* b b) (* a a)))
44.0ms
(- (* b b) (* a a))
105.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

simplify2.5s

Counts
513 → 513
Iterations

Useful iterations: done (2.4s)

IterNodesCost
088627857
1291425859
done500223272

prune2.0s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 10.6b

localize29.0ms

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)))

rewrite466.0ms

Algorithm
rewrite-expression-head
Rules
940×times-frac
738×*-un-lft-identity
713×add-sqr-sqrt
662×add-cube-cbrt
507×prod-diff
171×distribute-rgt-in distribute-lft-in
95×div-inv
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
14×frac-times
13×fma-neg 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
expm1-log1p-u pow-prod-down associate-/r* log1p-expm1-u
sub-neg
flip3-+ *-commutative flip-+
frac-2neg diff-log clear-num associate-/l/
Counts
4 → 801
Calls
4 calls:
34.0ms
(- (/ 1.0 a) (/ 1.0 b))
86.0ms
(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a)))
17.0ms
(/ (/ PI 2.0) (+ b a))
221.0ms
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

series388.0ms

Counts
4 → 12
Calls
4 calls:
52.0ms
(- (/ 1.0 a) (/ 1.0 b))
99.0ms
(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a)))
84.0ms
(/ (/ PI 2.0) (+ b a))
153.0ms
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

simplify2.3s

Counts
813 → 813
Iterations

Useful iterations: done (2.3s)

IterNodesCost
0102437421
1336834352
done500130536

prune2.9s

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.0b

localize20.0ms

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

rewrite642.0ms

Algorithm
rewrite-expression-head
Rules
833×times-frac
661×*-un-lft-identity
641×add-sqr-sqrt
613×add-cube-cbrt
507×prod-diff
171×distribute-rgt-in distribute-lft-in
90×div-inv
43×add-exp-log add-cbrt-cube
14×cbrt-undiv div-exp prod-exp cbrt-unprod distribute-lft-out associate-/l*
13×fma-neg
12×associate-*r* distribute-lft-out--
10×associate-*l/ difference-of-squares
pow1 associate-/r*
associate-/l/
frac-times flip3-- associate-*r/ flip-- add-log-exp
frac-sub
expm1-log1p-u associate-/r/ log1p-expm1-u
sub-neg pow-prod-down
frac-2neg clear-num
flip3-+ diff-log associate-*l* *-commutative flip-+
Counts
4 → 718
Calls
4 calls:
51.0ms
(- (/ 1.0 a) (/ 1.0 b))
230.0ms
(/ (* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (/ 1.0 a) (/ 1.0 b))) (- b a))
18.0ms
(/ (/ PI 2.0) (+ b a))
253.0ms
(* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (/ 1.0 a) (/ 1.0 b)))

series516.0ms

Counts
4 → 12
Calls
4 calls:
66.0ms
(- (/ 1.0 a) (/ 1.0 b))
176.0ms
(/ (* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (/ 1.0 a) (/ 1.0 b))) (- b a))
85.0ms
(/ (/ PI 2.0) (+ b a))
188.0ms
(* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (/ 1.0 a) (/ 1.0 b)))

simplify2.3s

Counts
730 → 730
Iterations

Useful iterations: done (2.3s)

IterNodesCost
095533243
1294930085
done500026463

prune2.7s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0b

localize23.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (/ (* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (* 1.0 b) (* a 1.0))) (* a b)) (- b a))
0.3b
(/ (/ PI 2.0) (+ b a))
0.3b
(* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (* 1.0 b) (* a 1.0)))
0.4b
(/ (* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (* 1.0 b) (* a 1.0))) (* a b))

rewrite352.0ms

Algorithm
rewrite-expression-head
Rules
129×times-frac
125×add-exp-log add-cbrt-cube
106×*-un-lft-identity
78×add-sqr-sqrt
66×add-cube-cbrt
49×cbrt-undiv div-exp
45×prod-exp cbrt-unprod
19×associate-/l*
14×div-inv distribute-lft-out
10×associate-/r*
pow1
associate-*l/
associate-/l/
distribute-lft-out-- difference-of-squares
flip3-- flip--
expm1-log1p-u frac-times associate-*r/ associate-/r/ log1p-expm1-u add-log-exp
distribute-rgt-in frac-2neg distribute-lft-in associate-*r* pow-prod-down clear-num
sub-neg prod-diff
flip3-+ associate-*l* *-commutative flip-+
Counts
4 → 235
Calls
4 calls:
110.0ms
(/ (/ (* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (* 1.0 b) (* a 1.0))) (* a b)) (- b a))
18.0ms
(/ (/ PI 2.0) (+ b a))
103.0ms
(* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (* 1.0 b) (* a 1.0)))
108.0ms
(/ (* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (* 1.0 b) (* a 1.0))) (* a b))

series678.0ms

Counts
4 → 12
Calls
4 calls:
189.0ms
(/ (/ (* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (* 1.0 b) (* a 1.0))) (* a b)) (- b a))
93.0ms
(/ (/ PI 2.0) (+ b a))
178.0ms
(* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (* 1.0 b) (* a 1.0)))
218.0ms
(/ (* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (* 1.0 b) (* a 1.0))) (* a b))

simplify751.0ms

Counts
247 → 247
Iterations

Useful iterations: done (738.0ms)

IterNodesCost
03956600
111846337
done50004977

prune1.5s

Pruning

7 alts after pruning (6 fresh and 1 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

simplify9.0ms

Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
01725
12523
22623
done2623

end0.0ms

sample1.6s

Algorithm
intervals
Results
1.2s9597×body80valid