Details

Time bar (total: 21.1s)

sample63.0ms

Algorithm
intervals
Results
38.0ms314×body80valid

simplify2.2s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01521
13021
28921
337721
4164421
done500021

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 13.2b

localize19.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
0.4b
(/ 1.0 (- (* b b) (* a a)))
3.7b
(- (* b b) (* a a))
9.0b
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite294.0ms

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:
49.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
27.0ms
(/ 1.0 (- (* b b) (* a a)))
17.0ms
(- (* b b) (* a a))
194.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

series383.0ms

Counts
4 → 12
Calls
4 calls:
108.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
72.0ms
(/ 1.0 (- (* b b) (* a a)))
47.0ms
(- (* b b) (* a a))
156.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

simplify2.9s

Counts
165 → 165
Iterations

Useful iterations: 2 (745.0ms)

IterNodesCost
02583239
17763164
232672690
done50002690

prune692.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.1b

localize30.0ms

Local error

Found 4 expressions with local error:

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

rewrite567.0ms

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:
30.0ms
(- (/ 1.0 a) (/ 1.0 b))
114.0ms
(/ (- (/ 1.0 a) (/ 1.0 b)) (- b a))
206.0ms
(* (/ (- (/ 1.0 a) (/ 1.0 b)) (- b a)) (/ 1.0 (+ b a)))
187.0ms
(* (/ PI 2.0) (* (/ (- (/ 1.0 a) (/ 1.0 b)) (- b a)) (/ 1.0 (+ b a))))

series340.0ms

Counts
4 → 12
Calls
4 calls:
54.0ms
(- (/ 1.0 a) (/ 1.0 b))
55.0ms
(/ (- (/ 1.0 a) (/ 1.0 b)) (- b a))
97.0ms
(* (/ (- (/ 1.0 a) (/ 1.0 b)) (- b a)) (/ 1.0 (+ b a)))
135.0ms
(* (/ PI 2.0) (* (/ (- (/ 1.0 a) (/ 1.0 b)) (- b a)) (/ 1.0 (+ b a))))

simplify2.3s

Counts
288 → 288
Iterations

Useful iterations: 2 (1.1s)

IterNodesCost
03886213
111816052
236405342
done50015342

prune1.1s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.0b

localize26.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (/ 1.0 a) (/ 1.0 b))
0.1b
(/ (* PI (* (/ (- (/ 1.0 a) (/ 1.0 b)) (- b a)) 1.0)) (* 2.0 (+ b a)))
0.2b
(/ (- (/ 1.0 a) (/ 1.0 b)) (- b a))
0.3b
(* PI (* (/ (- (/ 1.0 a) (/ 1.0 b)) (- b a)) 1.0))

rewrite404.0ms

Algorithm
rewrite-expression-head
Rules
148×add-sqr-sqrt
131×times-frac
120×*-un-lft-identity
48×distribute-lft-out--
47×add-exp-log add-cbrt-cube
41×difference-of-squares
38×add-cube-cbrt
19×prod-exp cbrt-unprod
16×div-inv
13×associate-/l*
12×cbrt-undiv div-exp
pow1
associate-/r* add-log-exp
associate-*r/ associate-/r/ associate-/l/
flip3-- associate-*l* pow-prod-down flip--
frac-2neg associate-*l/ clear-num frac-sub
sub-neg flip3-+ diff-log div-sub associate-*r* *-commutative flip-+
Counts
4 → 170
Calls
4 calls:
28.0ms
(- (/ 1.0 a) (/ 1.0 b))
139.0ms
(/ (* PI (* (/ (- (/ 1.0 a) (/ 1.0 b)) (- b a)) 1.0)) (* 2.0 (+ b a)))
81.0ms
(/ (- (/ 1.0 a) (/ 1.0 b)) (- b a))
144.0ms
(* PI (* (/ (- (/ 1.0 a) (/ 1.0 b)) (- b a)) 1.0))

series355.0ms

Counts
4 → 12
Calls
4 calls:
59.0ms
(- (/ 1.0 a) (/ 1.0 b))
150.0ms
(/ (* PI (* (/ (- (/ 1.0 a) (/ 1.0 b)) (- b a)) 1.0)) (* 2.0 (+ b a)))
52.0ms
(/ (- (/ 1.0 a) (/ 1.0 b)) (- b a))
94.0ms
(* PI (* (/ (- (/ 1.0 a) (/ 1.0 b)) (- b a)) 1.0))

simplify1.6s

Counts
182 → 182
Iterations

Useful iterations: 2 (653.0ms)

IterNodesCost
02863918
18023790
231163228
done50013228

prune683.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0b

localize23.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* PI (* (/ (- (/ 1.0 a) (/ 1.0 b)) (- b a)) 1.0)) (/ 1 (* 2.0 (+ b a))))
0.2b
(/ (- (/ 1.0 a) (/ 1.0 b)) (- b a))
0.3b
(* PI (* (/ (- (/ 1.0 a) (/ 1.0 b)) (- b a)) 1.0))
0.4b
(/ 1 (* 2.0 (+ b a)))

rewrite903.0ms

Algorithm
rewrite-expression-head
Rules
144×add-exp-log
138×add-sqr-sqrt
126×times-frac
114×*-un-lft-identity
83×prod-exp
74×add-cbrt-cube
43×distribute-lft-out--
40×add-cube-cbrt
37×cbrt-unprod difference-of-squares
29×div-exp
21×pow1
15×cbrt-undiv div-inv associate-/l*
10×rec-exp 1-exp associate-*r* pow-prod-down
associate-*r/
associate-/r* associate-/r/
associate-*l* associate-*l/ add-log-exp
associate-/l/
flip3-- pow-flip frac-2neg flip3-+ clear-num *-commutative flip-- flip-+
frac-times div-sub un-div-inv frac-sub inv-pow
Counts
4 → 211
Calls
4 calls:
566.0ms
(* (* PI (* (/ (- (/ 1.0 a) (/ 1.0 b)) (- b a)) 1.0)) (/ 1 (* 2.0 (+ b a))))
118.0ms
(/ (- (/ 1.0 a) (/ 1.0 b)) (- b a))
166.0ms
(* PI (* (/ (- (/ 1.0 a) (/ 1.0 b)) (- b a)) 1.0))
31.0ms
(/ 1 (* 2.0 (+ b a)))

series387.0ms

Counts
4 → 12
Calls
4 calls:
153.0ms
(* (* PI (* (/ (- (/ 1.0 a) (/ 1.0 b)) (- b a)) 1.0)) (/ 1 (* 2.0 (+ b a))))
66.0ms
(/ (- (/ 1.0 a) (/ 1.0 b)) (- b a))
98.0ms
(* PI (* (/ (- (/ 1.0 a) (/ 1.0 b)) (- b a)) 1.0))
70.0ms
(/ 1 (* 2.0 (+ b a)))

simplify3.2s

Counts
223 → 223
Iterations

Useful iterations: 2 (741.0ms)

IterNodesCost
03314984
18734632
229163846
done50003846

prune697.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0b

regimes126.0ms

Accuracy

0% (0.3b remaining)

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

bsearch0.0ms

simplify5.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01723
12423
done2423

end0.0ms

sample1.9s

Algorithm
intervals
Results
1.5s9575×body80valid