Details

Time bar (total: 31.8s)

sample60.0ms

Algorithm
intervals
Results
45.0ms300×body80valid

simplify1.9s

Counts
1 → 1

prune21.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.2b

localize46.0ms

Local error

Found 4 expressions with local error:

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

rewrite167.0ms

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
74.0ms
(/ (/ (- (/ PI a) (/ PI b)) (* 2 (- b a))) (+ a b))
68.0ms
(/ (- (/ PI a) (/ PI b)) (* 2 (- b a)))
7.0ms
(/ PI a)
7.0ms
(/ PI b)

series304.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
122.0ms
(/ (/ (- (/ PI a) (/ PI b)) (* 2 (- b a))) (+ a b))
92.0ms
(/ (- (/ PI a) (/ PI b)) (* 2 (- b a)))
45.0ms
(/ PI a)
45.0ms
(/ PI b)

simplify1.1s

Counts
229 → 229

prune2.3s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0b

localize15.0ms

Local error

Found 3 expressions with local error:

0.7b
(/ PI (* a b))
0.2b
(/ (* 1/2 (/ PI (* a b))) (+ a b))
0.0b
(* 1/2 (/ PI (* a b)))

rewrite57.0ms

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
29.0ms
(/ (* 1/2 (/ PI (* a b))) (+ a b))
21.0ms
(* 1/2 (/ PI (* a b)))
6.0ms
(/ PI (* a b))

series145.0ms

Counts
3 → 9
Calls
3 calls:
Slowest
85.0ms
(/ (* 1/2 (/ PI (* a b))) (+ a b))
38.0ms
(* 1/2 (/ PI (* a b)))
22.0ms
(/ PI (* a b))

simplify3.2s

Counts
90 → 90

prune732.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0b

localize42.0ms

Local error

Found 4 expressions with local error:

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

rewrite152.0ms

Algorithm
rewrite-expression-head
Rules
57×add-sqr-sqrt
52×*-un-lft-identity
48×times-frac
34×add-cube-cbrt
22×add-cbrt-cube add-exp-log
21×associate-*r*
12×associate-*l*
10×associate-/r*
distribute-lft-out--
cbrt-undiv div-exp associate-/l* difference-of-squares associate-/l/
frac-times pow1 associate-*l/ div-inv
flip3-- flip--
prod-exp associate-/r/ frac-sub cbrt-unprod insert-posit16 add-log-exp
clear-num frac-2neg
associate-*r/ distribute-lft-out unswap-sqr
flip3-+ pow-prod-down *-commutative flip-+
Counts
4 → 147
Calls
4 calls:
Slowest
68.0ms
(/ (* (- (/ PI a) (/ PI b)) (/ 1/2 (- b a))) (+ a b))
66.0ms
(* (- (/ PI a) (/ PI b)) (/ 1/2 (- b a)))
7.0ms
(/ PI b)
7.0ms
(/ PI a)

series337.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
145.0ms
(/ (* (- (/ PI a) (/ PI b)) (/ 1/2 (- b a))) (+ a b))
103.0ms
(* (- (/ PI a) (/ PI b)) (/ 1/2 (- b a)))
46.0ms
(/ PI a)
42.0ms
(/ PI b)

simplify865.0ms

Counts
159 → 159

prune1.5s

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0b

localize30.0ms

Local error

Found 4 expressions with local error:

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

rewrite711.0ms

Algorithm
rewrite-expression-head
Rules
2712×times-frac
2221×add-sqr-sqrt
2190×*-un-lft-identity
659×difference-of-squares
570×add-cube-cbrt
555×distribute-lft-out--
410×associate-*r*
221×div-inv
203×distribute-lft-out
120×associate-/l*
32×add-cbrt-cube add-exp-log
24×associate-/r/
13×cbrt-undiv div-exp associate-*l*
12×flip3-- flip--
associate-/r*
pow1 prod-exp cbrt-unprod add-log-exp unswap-sqr
insert-posit16 associate-/l/
div-sub
clear-num frac-2neg flip3-+ frac-sub flip-+
frac-times sub-neg diff-log pow-prod-down associate-*l/ associate-*r/ *-commutative
Counts
4 → 1150
Calls
4 calls:
Slowest
425.0ms
(/ (/ (- (/ 1 a) (/ 1 b)) (- b a)) (+ a b))
112.0ms
(* (/ PI 2) (/ (/ (- (/ 1 a) (/ 1 b)) (- b a)) (+ a b)))
68.0ms
(/ (- (/ 1 a) (/ 1 b)) (- b a))
21.0ms
(- (/ 1 a) (/ 1 b))

series267.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
126.0ms
(* (/ PI 2) (/ (/ (- (/ 1 a) (/ 1 b)) (- b a)) (+ a b)))
91.0ms
(/ (/ (- (/ 1 a) (/ 1 b)) (- b a)) (+ a b))
36.0ms
(/ (- (/ 1 a) (/ 1 b)) (- b a))
14.0ms
(- (/ 1 a) (/ 1 b))

simplify2.1s

Counts
1162 → 1162

prune13.3s

Pruning

6 alts after pruning (3 fresh and 3 done)

Merged error: 0b

regimes133.0ms

Accuracy

0% (0.2b remaining)

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

bsearch2.0ms

end0.0ms

sample2.4s

Algorithm
intervals
Results
2.1s9597×body80valid