Details

Time bar (total: 15.0s)

sample25.0ms

Algorithm
intervals
Results
13.0ms314×body80valid

simplify1.6s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01521
13121
29021
338421
4166321
done500021

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 14.3b

localize12.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
0.6b
(/ 1.0 (- (* b b) (* a a)))
3.9b
(- (* b b) (* a a))
9.3b
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite269.0ms

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:
46.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
14.0ms
(/ 1.0 (- (* b b) (* a a)))
9.0ms
(- (* b b) (* a a))
154.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

series227.0ms

Counts
4 → 12
Calls
4 calls:
60.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
44.0ms
(/ 1.0 (- (* b b) (* a a)))
32.0ms
(- (* b b) (* a a))
91.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

simplify1.3s

Counts
513 → 513
Iterations

Useful iterations: done (1.3s)

IterNodesCost
088627857
1229025797
done500022403

prune903.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 9.1b

localize12.0ms

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))
9.3b
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite392.0ms

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:
35.0ms
(- (/ 1.0 a) (/ 1.0 b))
83.0ms
(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a)))
18.0ms
(/ (/ PI 2.0) (+ b a))
184.0ms
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

series485.0ms

Counts
4 → 12
Calls
4 calls:
34.0ms
(- (/ 1.0 a) (/ 1.0 b))
70.0ms
(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a)))
275.0ms
(/ (/ PI 2.0) (+ b a))
105.0ms
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

simplify1.5s

Counts
813 → 813
Iterations

Useful iterations: done (1.4s)

IterNodesCost
0102437421
1272734154
done500129197

prune1.6s

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 0.0b

localize12.0ms

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)))

rewrite462.0ms

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:
35.0ms
(- (/ 1.0 a) (/ 1.0 b))
177.0ms
(/ (* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (/ 1.0 a) (/ 1.0 b))) (- b a))
19.0ms
(/ (/ PI 2.0) (+ b a))
161.0ms
(* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (/ 1.0 a) (/ 1.0 b)))

series302.0ms

Counts
4 → 12
Calls
4 calls:
36.0ms
(- (/ 1.0 a) (/ 1.0 b))
100.0ms
(/ (* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (/ 1.0 a) (/ 1.0 b))) (- b a))
55.0ms
(/ (/ PI 2.0) (+ b a))
111.0ms
(* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (/ 1.0 a) (/ 1.0 b)))

simplify1.3s

Counts
730 → 730
Iterations

Useful iterations: done (1.2s)

IterNodesCost
095533243
1240030007
done500025138

prune1.4s

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 0b

localize12.0ms

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
(/ (- b a) (- (/ 1.0 a) (/ 1.0 b)))

rewrite232.0ms

Algorithm
rewrite-expression-head
Rules
757×times-frac
609×add-sqr-sqrt
569×*-un-lft-identity
331×add-cube-cbrt
169×prod-diff
122×distribute-lft-out--
105×difference-of-squares
83×associate-/r*
71×div-inv
43×add-exp-log add-cbrt-cube
22×cbrt-undiv div-exp
19×associate-/l*
14×distribute-lft-out
13×fma-neg
12×associate-/r/
prod-exp cbrt-unprod add-log-exp
flip3-- flip--
pow1 expm1-log1p-u frac-sub log1p-expm1-u associate-/l/
frac-2neg clear-num
sub-neg flip3-+ diff-log div-sub associate-*l/ flip-+
Counts
4 → 556
Calls
4 calls:
35.0ms
(- (/ 1.0 a) (/ 1.0 b))
77.0ms
(/ (* (/ (/ PI 2.0) (+ b a)) 1.0) (/ (- b a) (- (/ 1.0 a) (/ 1.0 b))))
19.0ms
(/ (/ PI 2.0) (+ b a))
57.0ms
(/ (- b a) (- (/ 1.0 a) (/ 1.0 b)))

series253.0ms

Counts
4 → 12
Calls
4 calls:
38.0ms
(- (/ 1.0 a) (/ 1.0 b))
103.0ms
(/ (* (/ (/ PI 2.0) (+ b a)) 1.0) (/ (- b a) (- (/ 1.0 a) (/ 1.0 b))))
54.0ms
(/ (/ PI 2.0) (+ b a))
58.0ms
(/ (- b a) (- (/ 1.0 a) (/ 1.0 b)))

simplify844.0ms

Counts
568 → 568
Iterations

Useful iterations: done (823.0ms)

IterNodesCost
079516145
1197814698
done500012394

prune1.2s

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 0b

regimes89.0ms

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
11721
done1721

end0.0ms

sample637.0ms

Algorithm
intervals
Results
403.0ms9629×body80valid