Details

Time bar (total: 2.1m)

sample78.0ms

Algorithm
intervals
Results
63.0ms310×body80valid

simplify453.0ms

Calls
1 calls:
Slowest
453.0ms
(* (* (/ PI 2) (/ 1 (- (* b b) (* a a)))) (- (/ 1 a) (/ 1 b)))

prune16.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 14.7b

localize26.0ms

Local error

Found 4 expressions with local error:

10.3b
(/ (/ PI (- (* b b) (* a a))) (/ 2 (- (/ 1 a) (/ 1 b))))
3.6b
(- (* b b) (* a a))
0.5b
(/ PI (- (* b b) (* a a)))
0.2b
(/ 2 (- (/ 1 a) (/ 1 b)))

rewrite13.0ms

Algorithm
rewrite-expression-head
Rules
43×associate-/r/
42×times-frac
25×*-un-lft-identity
23×add-sqr-sqrt
22×div-inv
21×add-cube-cbrt
19×associate-/r*
18×flip3-- flip--
frac-sub
add-cbrt-cube add-exp-log associate-/l* add-log-exp
pow1 insert-posit16 distribute-lft-out--
clear-num frac-2neg difference-of-squares
cbrt-undiv sub-neg diff-log div-exp associate-/l/
Calls
4 calls:
Slowest
5.0ms
(/ (/ PI (- (* b b) (* a a))) (/ 2 (- (/ 1 a) (/ 1 b))))
2.0ms
(/ 2 (- (/ 1 a) (/ 1 b)))
2.0ms
(- (* b b) (* a a))
1.0ms
(/ PI (- (* b b) (* a a)))

series132.0ms

Calls
4 calls:
Slowest
60.0ms
(/ (/ PI (- (* b b) (* a a))) (/ 2 (- (/ 1 a) (/ 1 b))))
34.0ms
(/ PI (- (* b b) (* a a)))
19.0ms
(/ 2 (- (/ 1 a) (/ 1 b)))
19.0ms
(- (* b b) (* a a))

simplify19.6s

Calls
130 calls:
Slowest
747.0ms
(/ (/ PI (- (pow (* b b) 3) (pow (* a a) 3))) (/ 2 (- (* (/ 1 a) (/ 1 a)) (* (/ 1 b) (/ 1 b)))))
617.0ms
(/ (/ PI (- (* (* b b) (* b b)) (* (* a a) (* a a)))) (/ 2 (- (* (/ 1 a) (/ 1 a)) (* (/ 1 b) (/ 1 b)))))
531.0ms
(/ (/ 1 (- (* b b) (* a a))) (/ 2 (- (/ 1 a) (/ 1 b))))
445.0ms
(/ (/ PI (- (pow (* b b) 3) (pow (* a a) 3))) (/ 2 (- (pow (/ 1 a) 3) (pow (/ 1 b) 3))))
418.0ms
(/ (/ PI (- (* b b) (* a a))) (+ (* (/ 1 a) (/ 1 a)) (+ (* (/ 1 b) (/ 1 b)) (* (/ 1 a) (/ 1 b)))))

prune1.2s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 10.1b

localize14.0ms

Local error

Found 4 expressions with local error:

10.3b
(/ (/ (/ PI (+ b a)) (- b a)) (/ 2 (- (/ 1 a) (/ 1 b))))
0.3b
(/ PI (+ b a))
0.2b
(/ 2 (- (/ 1 a) (/ 1 b)))
0.1b
(/ (/ PI (+ b a)) (- b a))

rewrite36.0ms

Algorithm
rewrite-expression-head
Rules
330×times-frac
155×associate-/r/
126×*-un-lft-identity
124×add-sqr-sqrt
122×add-cube-cbrt
69×div-inv
35×flip3-- flip--
30×associate-/l*
29×flip3-+ flip-+
26×frac-sub
21×associate-/r*
11×add-cbrt-cube add-exp-log
pow1 cbrt-undiv clear-num frac-2neg div-exp insert-posit16 distribute-lft-out-- add-log-exp
associate-/l/
difference-of-squares
Calls
4 calls:
Slowest
22.0ms
(/ (/ (/ PI (+ b a)) (- b a)) (/ 2 (- (/ 1 a) (/ 1 b))))
4.0ms
(/ (/ PI (+ b a)) (- b a))
3.0ms
(/ 2 (- (/ 1 a) (/ 1 b)))
1.0ms
(/ PI (+ b a))

series228.0ms

Calls
4 calls:
Slowest
92.0ms
(/ (/ (/ PI (+ b a)) (- b a)) (/ 2 (- (/ 1 a) (/ 1 b))))
66.0ms
(/ (/ PI (+ b a)) (- b a))
49.0ms
(/ PI (+ b a))
21.0ms
(/ 2 (- (/ 1 a) (/ 1 b)))

simplify1.3m

Calls
447 calls:
Slowest
941.0ms
(/ (/ (* (cbrt (/ PI (+ b a))) (cbrt (/ PI (+ b a)))) (* (cbrt (- b a)) (cbrt (- b a)))) (/ 2 (- (* (/ 1 a) (/ 1 a)) (* (/ 1 b) (/ 1 b)))))
881.0ms
(/ (/ (/ PI (+ (pow b 3) (pow a 3))) (sqrt (- b a))) (/ 2 (- (* (/ 1 a) (/ 1 a)) (* (/ 1 b) (/ 1 b)))))
809.0ms
(/ (/ (sqrt (/ PI (+ b a))) (cbrt (- b a))) (/ 1 (- (/ 1 a) (/ 1 b))))
775.0ms
(/ (/ (/ PI (+ (pow b 3) (pow a 3))) (* (cbrt (- b a)) (cbrt (- b a)))) (/ 2 (- (* (/ 1 a) (/ 1 a)) (* (/ 1 b) (/ 1 b)))))
629.0ms
(/ (/ (* (cbrt (/ PI (+ b a))) (cbrt (/ PI (+ b a)))) (* (cbrt (- b a)) (cbrt (- b a)))) (/ 2 (- (pow (/ 1 a) 3) (pow (/ 1 b) 3))))

prune3.4s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.0b

localize17.0ms

Local error

Found 4 expressions with local error:

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

rewrite34.0ms

Algorithm
rewrite-expression-head
Rules
54×times-frac
41×associate-/r/
36×associate-*l*
35×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
17×frac-times associate-*l/
16×flip3-+ flip-+
13×add-cbrt-cube add-exp-log div-inv associate-/l*
10×associate-*r*
associate-*r/
pow1
insert-posit16 add-log-exp
associate-/r* flip3-- prod-exp cbrt-unprod flip--
cbrt-undiv clear-num frac-2neg div-exp pow-prod-down *-commutative associate-/l/
Calls
4 calls:
Slowest
12.0ms
(/ (/ PI (* (+ b a) (/ 2 (- b a)))) (- b a))
10.0ms
(* (/ (/ PI (* (+ b a) (/ 2 (- b a)))) (- b a)) (/ (/ 1 a) b))
6.0ms
(/ (/ 1 a) b)
4.0ms
(* (+ b a) (/ 2 (- b a)))

series183.0ms

Calls
4 calls:
Slowest
81.0ms
(* (/ (/ PI (* (+ b a) (/ 2 (- b a)))) (- b a)) (/ (/ 1 a) b))
63.0ms
(/ (/ PI (* (+ b a) (/ 2 (- b a)))) (- b a))
31.0ms
(* (+ b a) (/ 2 (- b a)))
8.0ms
(/ (/ 1 a) b)

simplify21.6s

Calls
144 calls:
Slowest
672.0ms
(* (/ (* (* (/ PI (* (+ b a) (/ 2 (- b a)))) (/ PI (* (+ b a) (/ 2 (- b a))))) (/ PI (* (+ b a) (/ 2 (- b a))))) (* (* (- b a) (- b a)) (- b a))) (* (* (/ (/ 1 a) b) (/ (/ 1 a) b)) (/ (/ 1 a) b)))
660.0ms
(* (/ (/ PI (* (+ b a) (/ 2 (- b a)))) (- b a)) (/ (/ 1 a) b))
534.0ms
(* (+ (* b b) (- (* a a) (* b a))) (- b a))
479.0ms
(/ (/ PI (* (- (* b b) (* a a)) (/ 2 (- b a)))) (* (cbrt (- b a)) (cbrt (- b a))))
466.0ms
(* (/ PI (* (+ b a) (/ 2 (- b a)))) (/ (/ 1 a) b))

prune1.4s

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0b

localize17.0ms

Local error

Found 2 expressions with local error:

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

rewrite18.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity times-frac add-cbrt-cube add-exp-log add-cube-cbrt div-inv associate-/l*
pow1 clear-num associate-/r* frac-2neg associate-*l/ associate-/r/ insert-posit16 add-log-exp
cbrt-undiv flip3-+ div-exp flip-+ associate-/l/
Calls
2 calls:
Slowest
15.0ms
(/ (/ (/ PI (* (+ b a) 2)) 1) (* a b))
2.0ms
(/ PI (* (+ b a) 2))

series139.0ms

Calls
2 calls:
Slowest
71.0ms
(/ (/ (/ PI (* (+ b a) 2)) 1) (* a b))
68.0ms
(/ PI (* (+ b a) 2))

simplify1.2s

Calls
22 calls:
Slowest
265.0ms
(/ (* (* (/ (/ PI (* (+ b a) 2)) 1) (/ (/ PI (* (+ b a) 2)) 1)) (/ (/ PI (* (+ b a) 2)) 1)) (* (* (* a b) (* a b)) (* a b)))
262.0ms
(- (log (/ (/ PI (* (+ b a) 2)) 1)) (log (* a b)))
129.0ms
(/ (/ (/ PI (* (+ b a) 2)) 1) b)
91.0ms
(/ (/ PI (* (+ b a) 2)) a)
63.0ms
(/ (* (cbrt (/ (/ PI (* (+ b a) 2)) 1)) (cbrt (/ (/ PI (* (+ b a) 2)) 1))) a)

prune342.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 0b

regimes72.0ms

Accuracy

0% (0.2b remaining)

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

bsearch2.0ms

end0.0ms

sample1.6s

Algorithm
intervals
Results
1.5s9635×body80valid