Details

Time bar (total: 18.0s)

sample50.0ms

Algorithm
intervals
Results
28.0ms300×body80valid

simplify2.3s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01521
13021
28921
337721
4164421
done500021

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 16.3b

localize26.0ms

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)))

rewrite289.0ms

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:
70.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
18.0ms
(/ 1.0 (- (* b b) (* a a)))
16.0ms
(- (* b b) (* a a))
172.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

series358.0ms

Counts
4 → 12
Calls
4 calls:
100.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
81.0ms
(/ 1.0 (- (* b b) (* a a)))
36.0ms
(- (* b b) (* a a))
141.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

simplify2.5s

Counts
165 → 165
Iterations

Useful iterations: 2 (717.0ms)

IterNodesCost
02583239
17763164
232672690
done50002690

prune558.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.1b

localize17.0ms

Local error

Found 4 expressions with local error:

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

rewrite543.0ms

Algorithm
rewrite-expression-head
Rules
286×add-sqr-sqrt
265×times-frac
232×*-un-lft-identity
85×distribute-lft-out--
80×add-cube-cbrt
79×associate-*l*
73×difference-of-squares
59×add-exp-log add-cbrt-cube
28×div-inv
22×prod-exp cbrt-unprod
19×associate-*r*
18×cbrt-undiv div-exp
12×associate-/l*
11×pow1
frac-times associate-*r/ associate-/r/ add-log-exp
associate-/r*
flip3-- pow-prod-down associate-*l/ flip-- unswap-sqr
associate-/l/ distribute-lft-out
*-commutative frac-sub
sub-neg frac-2neg flip3-+ diff-log div-sub clear-num flip-+
Counts
4 → 276
Calls
4 calls:
52.0ms
(- (/ 1.0 a) (/ 1.0 b))
195.0ms
(* (/ PI 2.0) (* (/ (- (/ 1.0 a) (/ 1.0 b)) (- b a)) (/ 1.0 (+ b a))))
167.0ms
(* (/ (- (/ 1.0 a) (/ 1.0 b)) (- b a)) (/ 1.0 (+ b a)))
108.0ms
(/ (- (/ 1.0 a) (/ 1.0 b)) (- b a))

series313.0ms

Counts
4 → 12
Calls
4 calls:
34.0ms
(- (/ 1.0 a) (/ 1.0 b))
121.0ms
(* (/ PI 2.0) (* (/ (- (/ 1.0 a) (/ 1.0 b)) (- b a)) (/ 1.0 (+ b a))))
102.0ms
(* (/ (- (/ 1.0 a) (/ 1.0 b)) (- b a)) (/ 1.0 (+ b a)))
57.0ms
(/ (- (/ 1.0 a) (/ 1.0 b)) (- b a))

simplify2.4s

Counts
288 → 288
Iterations

Useful iterations: 2 (1.3s)

IterNodesCost
03886213
111816052
236365342
done50015342

prune854.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 0.0b

localize14.0ms

Local error

Found 4 expressions with local error:

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

rewrite617.0ms

Algorithm
rewrite-expression-head
Rules
286×add-sqr-sqrt
265×times-frac
232×*-un-lft-identity
85×distribute-lft-out--
84×associate-*r*
80×add-cube-cbrt
73×difference-of-squares
59×add-exp-log add-cbrt-cube
28×div-inv
22×prod-exp cbrt-unprod
18×cbrt-undiv div-exp
14×associate-*l*
12×associate-/l*
11×pow1
frac-times associate-*l/ associate-/r/ add-log-exp
associate-/r*
flip3-- associate-*r/ pow-prod-down flip-- unswap-sqr
associate-/l/ distribute-lft-out
*-commutative frac-sub
sub-neg frac-2neg flip3-+ diff-log div-sub clear-num flip-+
Counts
4 → 276
Calls
4 calls:
40.0ms
(- (/ 1.0 a) (/ 1.0 b))
260.0ms
(* (* (/ PI 2.0) (/ (- (/ 1.0 a) (/ 1.0 b)) (- b a))) (/ 1.0 (+ b a)))
94.0ms
(/ (- (/ 1.0 a) (/ 1.0 b)) (- b a))
187.0ms
(* (/ PI 2.0) (/ (- (/ 1.0 a) (/ 1.0 b)) (- b a)))

series300.0ms

Counts
4 → 12
Calls
4 calls:
39.0ms
(- (/ 1.0 a) (/ 1.0 b))
112.0ms
(* (* (/ PI 2.0) (/ (- (/ 1.0 a) (/ 1.0 b)) (- b a))) (/ 1.0 (+ b a)))
53.0ms
(/ (- (/ 1.0 a) (/ 1.0 b)) (- b a))
95.0ms
(* (/ PI 2.0) (/ (- (/ 1.0 a) (/ 1.0 b)) (- b a)))

simplify2.1s

Counts
288 → 288
Iterations

Useful iterations: 2 (842.0ms)

IterNodesCost
03935956
111875687
242965009
done50015009

prune1.1s

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0b

localize18.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1.0 (+ b a))
0.0b
(* 0.5 (/ PI (* a b)))
0.2b
(* (* 0.5 (/ PI (* a b))) (/ 1.0 (+ b a)))
0.7b
(/ PI (* a b))

rewrite180.0ms

Algorithm
rewrite-expression-head
Rules
52×add-exp-log add-cbrt-cube
40×*-un-lft-identity
30×times-frac
28×add-sqr-sqrt
26×add-cube-cbrt
25×associate-*r*
21×prod-exp cbrt-unprod
13×cbrt-undiv div-exp
11×pow1
distribute-lft-out
associate-/l*
associate-/r*
associate-*r/ associate-*l* pow-prod-down associate-/r/ div-inv add-log-exp
frac-2neg flip3-+ clear-num *-commutative flip-+
frac-times associate-*l/ unswap-sqr
Counts
4 → 129
Calls
4 calls:
11.0ms
(/ 1.0 (+ b a))
42.0ms
(* 0.5 (/ PI (* a b)))
105.0ms
(* (* 0.5 (/ PI (* a b))) (/ 1.0 (+ b a)))
16.0ms
(/ PI (* a b))

series245.0ms

Counts
4 → 12
Calls
4 calls:
53.0ms
(/ 1.0 (+ b a))
65.0ms
(* 0.5 (/ PI (* a b)))
94.0ms
(* (* 0.5 (/ PI (* a b))) (/ 1.0 (+ b a)))
32.0ms
(/ PI (* a b))

simplify1.6s

Counts
141 → 141
Iterations

Useful iterations: 2 (406.0ms)

IterNodesCost
01761755
14651663
219521339
done50001339

prune350.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0b

regimes88.0ms

Accuracy

0% (0.3b remaining)

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

bsearch0.0ms

simplify4.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01315
11915
done1915

end0.0ms

sample1.1s

Algorithm
intervals
Results
765.0ms9518×body80valid