Details

Time bar (total: 18.5s)

sample86.0ms

Algorithm
intervals
Results
66.0ms312×body80valid

simplify2.0s

Counts
1 → 1

prune11.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.1b

localize45.0ms

Local error

Found 4 expressions with local error:

0.3b
(/ PI a)
0.2b
(/ (- (/ PI a) (/ PI b)) (* 2 (- b a)))
0.2b
(/ PI b)
0.2b
(/ (/ (- (/ PI a) (/ PI b)) (* 2 (- b a))) (+ a b))

rewrite144.0ms

Algorithm
rewrite-expression-head
Rules
232×times-frac
159×*-un-lft-identity
149×add-sqr-sqrt
65×add-cube-cbrt
36×associate-/l*
35×distribute-lft-out--
28×difference-of-squares
23×div-inv
22×add-cbrt-cube add-exp-log
19×distribute-lft-out
14×associate-/r/
12×associate-*r/
11×associate-/r*
cbrt-undiv div-exp
flip3-- flip--
pow1 clear-num frac-2neg insert-posit16 add-log-exp associate-/l/
div-sub
prod-exp cbrt-unprod
flip3-+ frac-sub flip-+
Counts
4 → 217
Calls
4 calls:
Slowest
71.0ms
(/ (- (/ PI a) (/ PI b)) (* 2 (- b a)))
47.0ms
(/ (/ (- (/ PI a) (/ PI b)) (* 2 (- b a))) (+ a b))
10.0ms
(/ PI a)
7.0ms
(/ PI b)

series286.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
134.0ms
(/ (/ (- (/ PI a) (/ PI b)) (* 2 (- b a))) (+ a b))
78.0ms
(/ (- (/ PI a) (/ PI b)) (* 2 (- b a)))
38.0ms
(/ PI b)
37.0ms
(/ PI a)

simplify1.1s

Counts
229 → 229

prune2.5s

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0b

localize19.0ms

Local error

Found 3 expressions with local error:

0.9b
(/ PI (* a b))
0.2b
(/ (* 1/2 (/ PI (* a b))) (+ a b))
0.0b
(* 1/2 (/ PI (* a b)))

rewrite51.0ms

Algorithm
rewrite-expression-head
Rules
31×add-cbrt-cube add-exp-log
14×*-un-lft-identity
12×add-sqr-sqrt
10×cbrt-undiv times-frac div-exp add-cube-cbrt
prod-exp cbrt-unprod
associate-*r*
pow1 associate-/r*
associate-/l*
associate-*l* insert-posit16 div-inv add-log-exp
clear-num frac-2neg associate-*r/ associate-/r/ distribute-lft-out
flip3-+ pow-prod-down *-commutative flip-+ unswap-sqr associate-/l/
Counts
3 → 81
Calls
3 calls:
Slowest
23.0ms
(/ (* 1/2 (/ PI (* a b))) (+ a b))
21.0ms
(* 1/2 (/ PI (* a b)))
6.0ms
(/ PI (* a b))

series170.0ms

Counts
3 → 9
Calls
3 calls:
Slowest
93.0ms
(/ (* 1/2 (/ PI (* a b))) (+ a b))
52.0ms
(* 1/2 (/ PI (* a b)))
25.0ms
(/ PI (* a b))

simplify3.3s

Counts
90 → 90

prune693.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0b

localize26.0ms

Local error

Found 4 expressions with local error:

0.3b
(/ PI a)
0.2b
(/ (/ PI a) b)
0.2b
(/ (* 1/2 (/ (/ PI a) b)) (+ a b))
0.0b
(* 1/2 (/ (/ PI a) b))

rewrite90.0ms

Algorithm
rewrite-expression-head
Rules
157×times-frac
101×add-sqr-sqrt
96×*-un-lft-identity
92×add-cube-cbrt
43×associate-*r*
34×add-cbrt-cube add-exp-log
17×associate-/l*
14×cbrt-undiv div-exp
11×div-inv
10×associate-/r*
pow1 prod-exp cbrt-unprod
insert-posit16 add-log-exp
clear-num frac-2neg associate-*l* unswap-sqr
associate-*r/ associate-/r/ distribute-lft-out associate-/l/
flip3-+ pow-prod-down *-commutative flip-+
Counts
4 → 196
Calls
4 calls:
Slowest
32.0ms
(/ (* 1/2 (/ (/ PI a) b)) (+ a b))
24.0ms
(* 1/2 (/ (/ PI a) b))
14.0ms
(/ (/ PI a) b)
8.0ms
(/ PI a)

series178.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
80.0ms
(/ (* 1/2 (/ (/ PI a) b)) (+ a b))
44.0ms
(* 1/2 (/ (/ PI a) b))
31.0ms
(/ PI a)
23.0ms
(/ (/ PI a) b)

simplify1.2s

Counts
208 → 208

prune1.8s

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0b

localize39.0ms

Local error

Found 4 expressions with local error:

0.9b
(/ PI (* a b))
0.2b
(* (* 1/2 (/ PI (* a b))) (/ 1 (+ a b)))
0.0b
(* 1/2 (/ PI (* a b)))
0.0b
(/ 1 (+ a b))

rewrite155.0ms

Algorithm
rewrite-expression-head
Rules
82×add-exp-log
52×add-cbrt-cube
40×*-un-lft-identity
37×prod-exp
30×times-frac
28×add-sqr-sqrt
26×add-cube-cbrt
25×associate-*r*
22×div-exp
21×cbrt-unprod
13×cbrt-undiv
12×pow1
distribute-lft-out
associate-/l*
rec-exp associate-/r* 1-exp
associate-*l* pow-prod-down associate-*r/ associate-/r/ insert-posit16 div-inv add-log-exp
clear-num frac-2neg flip3-+ *-commutative flip-+
frac-times associate-*l/ un-div-inv pow-flip inv-pow unswap-sqr
Counts
4 → 146
Calls
4 calls:
Slowest
94.0ms
(* (* 1/2 (/ PI (* a b))) (/ 1 (+ a b)))
33.0ms
(* 1/2 (/ PI (* a b)))
14.0ms
(/ 1 (+ a b))
12.0ms
(/ PI (* a b))

series224.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
100.0ms
(* (* 1/2 (/ PI (* a b))) (/ 1 (+ a b)))
58.0ms
(/ 1 (+ a b))
44.0ms
(* 1/2 (/ PI (* a b)))
22.0ms
(/ PI (* a b))

simplify725.0ms

Counts
158 → 158

prune1.3s

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0b

regimes134.0ms

Accuracy

0% (0.2b remaining)

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

bsearch3.0ms

end0.0ms

sample2.2s

Algorithm
intervals
Results
2.0s9545×body80valid