Details

Time bar (total: 23.5s)

sample46.0ms

Algorithm
intervals
Results
25.0ms300×body80valid

simplify2.4s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01521
13121
29021
338421
4166321
done500021

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 16.3b

localize12.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
0.2b
(/ 1.0 (- (* b b) (* a a)))
5.0b
(- (* b b) (* a a))
10.6b
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite304.0ms

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:
49.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
13.0ms
(/ 1.0 (- (* b b) (* a a)))
9.0ms
(- (* b b) (* a a))
185.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

series303.0ms

Counts
4 → 12
Calls
4 calls:
70.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
67.0ms
(/ 1.0 (- (* b b) (* a a)))
51.0ms
(- (* b b) (* a a))
115.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

simplify1.8s

Counts
513 → 513
Iterations

Useful iterations: done (1.8s)

IterNodesCost
088627857
1229025797
done500022403

prune1.8s

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 10.4b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (/ 1.0 a) (/ 1.0 b))
0.1b
(* (/ PI 2.0) (/ (/ 1.0 (+ b a)) (- b a)))
0.1b
(/ (/ 1.0 (+ b a)) (- b a))
10.6b
(* (* (/ PI 2.0) (/ (/ 1.0 (+ b a)) (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite619.0ms

Algorithm
rewrite-expression-head
Rules
1061×times-frac
851×*-un-lft-identity
814×add-sqr-sqrt
695×add-cube-cbrt
507×prod-diff
171×distribute-rgt-in distribute-lft-in
108×associate-*r*
97×div-inv
59×add-exp-log add-cbrt-cube
47×distribute-lft-out--
45×difference-of-squares
33×distribute-lft-out
26×associate-/r/
21×cbrt-undiv div-exp
19×prod-exp cbrt-unprod
18×associate-/l*
14×frac-times associate-*l*
13×fma-neg
11×pow1 flip3-+ flip-+
associate-*r/ associate-*l/
flip3-- flip--
add-log-exp unswap-sqr
associate-/r* frac-sub
expm1-log1p-u pow-prod-down log1p-expm1-u
sub-neg
*-commutative
frac-2neg diff-log clear-num associate-/l/
Counts
4 → 875
Calls
4 calls:
52.0ms
(- (/ 1.0 a) (/ 1.0 b))
118.0ms
(* (/ PI 2.0) (/ (/ 1.0 (+ b a)) (- b a)))
48.0ms
(/ (/ 1.0 (+ b a)) (- b a))
293.0ms
(* (* (/ PI 2.0) (/ (/ 1.0 (+ b a)) (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

series334.0ms

Counts
4 → 12
Calls
4 calls:
37.0ms
(- (/ 1.0 a) (/ 1.0 b))
83.0ms
(* (/ PI 2.0) (/ (/ 1.0 (+ b a)) (- b a)))
75.0ms
(/ (/ 1.0 (+ b a)) (- b a))
138.0ms
(* (* (/ PI 2.0) (/ (/ 1.0 (+ b a)) (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

simplify2.3s

Counts
887 → 887
Iterations

Useful iterations: done (2.2s)

IterNodesCost
0108239230
1292735734
done500030775

prune2.7s

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.0b

localize26.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (/ 1.0 a) (/ 1.0 b))
0.2b
(/ (* (* PI (/ 1.0 (+ b a))) (- (/ 1.0 a) (/ 1.0 b))) (* 2.0 (- b a)))
0.3b
(* (* PI (/ 1.0 (+ b a))) (- (/ 1.0 a) (/ 1.0 b)))
0.3b
(* PI (/ 1.0 (+ b a)))

rewrite697.0ms

Algorithm
rewrite-expression-head
Rules
745×times-frac
600×add-sqr-sqrt
593×*-un-lft-identity
571×add-cube-cbrt
507×prod-diff
171×distribute-rgt-in distribute-lft-in
85×div-inv
50×add-exp-log add-cbrt-cube
30×associate-*r*
21×prod-exp cbrt-unprod
17×associate-*r/
13×fma-neg
12×cbrt-undiv div-exp
11×pow1
10×distribute-lft-out--
difference-of-squares
associate-/l/
frac-times flip3-- flip-- add-log-exp
frac-sub
expm1-log1p-u associate-*l* pow-prod-down associate-/r/ log1p-expm1-u
sub-neg distribute-lft-out
associate-*l/ *-commutative unswap-sqr
frac-2neg flip3-+ diff-log clear-num associate-/r* flip-+ associate-/l*
Counts
4 → 665
Calls
4 calls:
68.0ms
(- (/ 1.0 a) (/ 1.0 b))
252.0ms
(/ (* (* PI (/ 1.0 (+ b a))) (- (/ 1.0 a) (/ 1.0 b))) (* 2.0 (- b a)))
219.0ms
(* (* PI (/ 1.0 (+ b a))) (- (/ 1.0 a) (/ 1.0 b)))
50.0ms
(* PI (/ 1.0 (+ b a)))

series350.0ms

Counts
4 → 12
Calls
4 calls:
55.0ms
(- (/ 1.0 a) (/ 1.0 b))
109.0ms
(/ (* (* PI (/ 1.0 (+ b a))) (- (/ 1.0 a) (/ 1.0 b))) (* 2.0 (- b a)))
112.0ms
(* (* PI (/ 1.0 (+ b a))) (- (/ 1.0 a) (/ 1.0 b)))
73.0ms
(* PI (/ 1.0 (+ b a)))

simplify1.9s

Counts
677 → 677
Iterations

Useful iterations: done (1.8s)

IterNodesCost
085730871
1222227696
done500122785

prune1.9s

Pruning

9 alts after pruning (9 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 1.0) (- (/ 1.0 a) (/ 1.0 b))) (+ b a)) (* 2.0 (- b a)))
0.2b
(/ (* (* PI 1.0) (- (/ 1.0 a) (/ 1.0 b))) (+ b a))
0.3b
(* (* PI 1.0) (- (/ 1.0 a) (/ 1.0 b)))

rewrite538.0ms

Algorithm
rewrite-expression-head
Rules
753×times-frac
592×add-sqr-sqrt *-un-lft-identity
568×add-cube-cbrt
507×prod-diff
171×distribute-rgt-in distribute-lft-in
87×div-inv
50×add-exp-log add-cbrt-cube
17×cbrt-undiv div-exp
16×prod-exp cbrt-unprod
13×fma-neg
12×associate-*r*
11×associate-/l*
10×distribute-lft-out--
pow1
associate-*r/ associate-/r/ difference-of-squares
add-log-exp
associate-/r*
expm1-log1p-u flip3-- flip-- log1p-expm1-u associate-/l/ distribute-lft-out
sub-neg flip3-+ pow-prod-down frac-sub flip-+
frac-2neg clear-num
diff-log associate-*l* *-commutative
Counts
4 → 664
Calls
4 calls:
70.0ms
(- (/ 1.0 a) (/ 1.0 b))
112.0ms
(/ (/ (* (* PI 1.0) (- (/ 1.0 a) (/ 1.0 b))) (+ b a)) (* 2.0 (- b a)))
133.0ms
(/ (* (* PI 1.0) (- (/ 1.0 a) (/ 1.0 b))) (+ b a))
123.0ms
(* (* PI 1.0) (- (/ 1.0 a) (/ 1.0 b)))

series434.0ms

Counts
4 → 12
Calls
4 calls:
45.0ms
(- (/ 1.0 a) (/ 1.0 b))
128.0ms
(/ (/ (* (* PI 1.0) (- (/ 1.0 a) (/ 1.0 b))) (+ b a)) (* 2.0 (- b a)))
155.0ms
(/ (* (* PI 1.0) (- (/ 1.0 a) (/ 1.0 b))) (+ b a))
107.0ms
(* (* PI 1.0) (- (/ 1.0 a) (/ 1.0 b)))

simplify1.9s

Counts
676 → 676
Iterations

Useful iterations: done (1.9s)

IterNodesCost
086228434
1218925255
done500020318

prune2.0s

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0b

regimes89.0ms

Accuracy

0% (0.2b remaining)

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

bsearch0.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01419
11719
done1719

end0.0ms

sample965.0ms

Algorithm
intervals
Results
622.0ms9518×body80valid