Details

Time bar (total: 6.3s)

sample30.0ms

Algorithm
intervals
Results
17.0ms296×body80valid

simplify33.0ms

Counts
1 → 1

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 16.7b

localize16.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
0.9b
(/ 1.0 (- (* b b) (* a a)))
3.2b
(- (* b b) (* a a))
12.2b
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite218.0ms

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:
48.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
15.0ms
(/ 1.0 (- (* b b) (* a a)))
9.0ms
(- (* b b) (* a a))
139.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

series240.0ms

Counts
4 → 12
Calls
4 calls:
63.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
45.0ms
(/ 1.0 (- (* b b) (* a a)))
38.0ms
(- (* b b) (* a a))
95.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

simplify100.0ms

Counts
165 → 165

prune430.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 12.0b

localize20.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (/ 1.0 a) (/ 1.0 b))
0.1b
(/ (/ 1.0 (+ b a)) (- b a))
0.2b
(* (/ PI 2.0) (/ (/ 1.0 (+ b a)) (- b a)))
12.2b
(* (* (/ PI 2.0) (/ (/ 1.0 (+ b a)) (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite334.0ms

Algorithm
rewrite-expression-head
Rules
350×times-frac
298×*-un-lft-identity
261×add-sqr-sqrt
142×add-cube-cbrt
108×associate-*r*
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×div-inv associate-/l*
14×frac-times associate-*l*
11×pow1 flip3-+ flip-+
associate-*r/ associate-*l/
flip3-- flip--
add-log-exp unswap-sqr
associate-/r* frac-sub
pow-prod-down
sub-neg
distribute-rgt-in distribute-lft-in *-commutative
frac-2neg diff-log clear-num associate-/l/
Counts
4 → 347
Calls
4 calls:
29.0ms
(- (/ 1.0 a) (/ 1.0 b))
31.0ms
(/ (/ 1.0 (+ b a)) (- b a))
90.0ms
(* (/ PI 2.0) (/ (/ 1.0 (+ b a)) (- b a)))
161.0ms
(* (* (/ PI 2.0) (/ (/ 1.0 (+ b a)) (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

series274.0ms

Counts
4 → 12
Calls
4 calls:
39.0ms
(- (/ 1.0 a) (/ 1.0 b))
53.0ms
(/ (/ 1.0 (+ b a)) (- b a))
72.0ms
(* (/ PI 2.0) (/ (/ 1.0 (+ b a)) (- b a)))
109.0ms
(* (* (/ PI 2.0) (/ (/ 1.0 (+ b a)) (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

simplify58.0ms

Counts
359 → 359

prune865.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.1b

localize15.0ms

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

rewrite290.0ms

Algorithm
rewrite-expression-head
Rules
66×add-sqr-sqrt
59×add-exp-log add-cbrt-cube
52×*-un-lft-identity
50×times-frac
30×associate-*r*
27×frac-times
26×add-cube-cbrt
22×prod-exp cbrt-unprod
18×cbrt-undiv div-exp
15×associate-*r/ associate-*l/ associate-/l/
14×associate-*l*
12×distribute-lft-out--
11×pow1
10×flip3-- flip-- difference-of-squares
frac-sub
div-inv
add-log-exp
associate-/r*
pow-prod-down associate-/r/ unswap-sqr
sub-neg distribute-lft-out
distribute-rgt-in distribute-lft-in *-commutative
frac-2neg flip3-+ diff-log clear-num flip-+ associate-/l*
Counts
4 → 179
Calls
4 calls:
26.0ms
(- (/ 1.0 a) (/ 1.0 b))
95.0ms
(/ (* (* (/ PI 2.0) (/ 1.0 (+ b a))) (- (/ 1.0 a) (/ 1.0 b))) (- b a))
121.0ms
(* (* (/ PI 2.0) (/ 1.0 (+ b a))) (- (/ 1.0 a) (/ 1.0 b)))
39.0ms
(* (/ PI 2.0) (/ 1.0 (+ b a)))

series322.0ms

Counts
4 → 12
Calls
4 calls:
40.0ms
(- (/ 1.0 a) (/ 1.0 b))
107.0ms
(/ (* (* (/ PI 2.0) (/ 1.0 (+ b a))) (- (/ 1.0 a) (/ 1.0 b))) (- b a))
113.0ms
(* (* (/ PI 2.0) (/ 1.0 (+ b a))) (- (/ 1.0 a) (/ 1.0 b)))
62.0ms
(* (/ PI 2.0) (/ 1.0 (+ b a)))

simplify38.0ms

Counts
191 → 191

prune475.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0b

localize19.0ms

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

rewrite261.0ms

Algorithm
rewrite-expression-head
Rules
47×add-exp-log add-cbrt-cube
45×add-sqr-sqrt
41×*-un-lft-identity
33×times-frac
17×cbrt-undiv div-exp
15×add-cube-cbrt
14×prod-exp cbrt-unprod
12×associate-*r* distribute-lft-out--
10×associate-*l* difference-of-squares
associate-/r*
associate-/l/
div-inv
pow1 frac-times flip3-- associate-*r/ associate-/r/ flip-- add-log-exp
frac-sub
sub-neg associate-*l/ distribute-lft-out
distribute-rgt-in frac-2neg distribute-lft-in flip3-+ clear-num flip-+ associate-/l*
diff-log pow-prod-down *-commutative unswap-sqr
Counts
4 → 141
Calls
4 calls:
27.0ms
(- (/ 1.0 a) (/ 1.0 b))
74.0ms
(/ (* (/ (* (/ PI 2.0) 1.0) (+ b a)) (- (/ 1.0 a) (/ 1.0 b))) (- b a))
22.0ms
(/ (* (/ PI 2.0) 1.0) (+ b a))
131.0ms
(* (/ (* (/ PI 2.0) 1.0) (+ b a)) (- (/ 1.0 a) (/ 1.0 b)))

series320.0ms

Counts
4 → 12
Calls
4 calls:
34.0ms
(- (/ 1.0 a) (/ 1.0 b))
109.0ms
(/ (* (/ (* (/ PI 2.0) 1.0) (+ b a)) (- (/ 1.0 a) (/ 1.0 b))) (- b a))
62.0ms
(/ (* (/ PI 2.0) 1.0) (+ b a))
114.0ms
(* (/ (* (/ PI 2.0) 1.0) (+ b a)) (- (/ 1.0 a) (/ 1.0 b)))

simplify93.0ms

Counts
153 → 153

prune360.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0b

regimes54.0ms

Accuracy

0% (0.3b remaining)

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

bsearch0.0ms

simplify1.0ms

end0.0ms

sample1.4s

Algorithm
intervals
Results
1.1s9541×body80valid