Details

Time bar (total: 19.6s)

sample40.0ms

Algorithm
intervals
Results
22.0ms310×body80valid

simplify2.2s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01521
13021
28921
337721
4164421
done500021

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 14.8b

localize14.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
0.6b
(/ 1.0 (- (* b b) (* a a)))
6.0b
(- (* b b) (* a a))
7.7b
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite695.0ms

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:
80.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
14.0ms
(/ 1.0 (- (* b b) (* a a)))
11.0ms
(- (* b b) (* a a))
583.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

series324.0ms

Counts
4 → 12
Calls
4 calls:
71.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
77.0ms
(/ 1.0 (- (* b b) (* a a)))
49.0ms
(- (* b b) (* a a))
126.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

simplify2.4s

Counts
165 → 165
Iterations

Useful iterations: 2 (734.0ms)

IterNodesCost
02583239
17763164
232672690
done50002690

prune577.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.1b

localize21.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1.0 (+ b a))
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))

rewrite551.0ms

Algorithm
rewrite-expression-head
Rules
281×add-sqr-sqrt
267×times-frac
239×*-un-lft-identity
87×add-cube-cbrt
80×distribute-lft-out--
79×associate-*l*
69×difference-of-squares
61×add-exp-log add-cbrt-cube
27×div-inv
22×prod-exp cbrt-unprod
19×cbrt-undiv div-exp associate-*r*
15×associate-/l*
11×pow1
associate-/r*
associate-/r/
distribute-lft-out
frac-times associate-*r/
pow-prod-down associate-*l/ add-log-exp unswap-sqr
flip3-- flip-- associate-/l/
frac-2neg flip3-+ clear-num *-commutative flip-+
div-sub frac-sub
Counts
4 → 287
Calls
4 calls:
20.0ms
(/ 1.0 (+ b a))
203.0ms
(* (/ PI 2.0) (* (/ (- (/ 1.0 a) (/ 1.0 b)) (- b a)) (/ 1.0 (+ b a))))
179.0ms
(* (/ (- (/ 1.0 a) (/ 1.0 b)) (- b a)) (/ 1.0 (+ b a)))
115.0ms
(/ (- (/ 1.0 a) (/ 1.0 b)) (- b a))

series409.0ms

Counts
4 → 12
Calls
4 calls:
49.0ms
(/ 1.0 (+ b a))
167.0ms
(* (/ PI 2.0) (* (/ (- (/ 1.0 a) (/ 1.0 b)) (- b a)) (/ 1.0 (+ b a))))
124.0ms
(* (/ (- (/ 1.0 a) (/ 1.0 b)) (- b a)) (/ 1.0 (+ b a)))
69.0ms
(/ (- (/ 1.0 a) (/ 1.0 b)) (- b a))

simplify2.4s

Counts
299 → 299
Iterations

Useful iterations: 2 (883.0ms)

IterNodesCost
03886222
111536055
235155355
done50005355

prune951.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 0.0b

localize14.0ms

Local error

Found 4 expressions with local error:

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

rewrite507.0ms

Algorithm
rewrite-expression-head
Rules
61×add-exp-log add-cbrt-cube
59×*-un-lft-identity
54×add-sqr-sqrt
49×times-frac
33×add-cube-cbrt
29×frac-times
25×associate-*l*
22×prod-exp cbrt-unprod
19×cbrt-undiv associate-*r/ div-exp associate-*r*
17×associate-*l/
15×associate-/l/
11×pow1 flip3-- flip--
10×frac-sub
associate-/r*
distribute-lft-out distribute-lft-out--
associate-/r/ div-inv difference-of-squares
pow-prod-down associate-/l* add-log-exp
frac-2neg flip3-+ clear-num *-commutative flip-+ unswap-sqr
Counts
4 → 188
Calls
4 calls:
22.0ms
(/ 1.0 (+ b a))
174.0ms
(/ (* (/ PI 2.0) (* (- (/ 1.0 a) (/ 1.0 b)) (/ 1.0 (+ b a)))) (- b a))
133.0ms
(* (/ PI 2.0) (* (- (/ 1.0 a) (/ 1.0 b)) (/ 1.0 (+ b a))))
160.0ms
(* (- (/ 1.0 a) (/ 1.0 b)) (/ 1.0 (+ b a)))

series465.0ms

Counts
4 → 12
Calls
4 calls:
55.0ms
(/ 1.0 (+ b a))
120.0ms
(/ (* (/ PI 2.0) (* (- (/ 1.0 a) (/ 1.0 b)) (/ 1.0 (+ b a)))) (- b a))
146.0ms
(* (/ PI 2.0) (* (- (/ 1.0 a) (/ 1.0 b)) (/ 1.0 (+ b a))))
143.0ms
(* (- (/ 1.0 a) (/ 1.0 b)) (/ 1.0 (+ b a)))

simplify2.0s

Counts
200 → 200
Iterations

Useful iterations: 2 (780.0ms)

IterNodesCost
03063974
18763859
237673185
done50003185

prune696.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0b

localize30.0ms

Local error

Found 3 expressions with local error:

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

rewrite479.0ms

Algorithm
rewrite-expression-head
Rules
87×times-frac
73×*-un-lft-identity
58×add-exp-log add-cbrt-cube
57×add-sqr-sqrt
35×add-cube-cbrt
22×cbrt-undiv div-exp
18×prod-exp cbrt-unprod
16×associate-/r/
14×associate-*l/
13×associate-*l*
11×associate-/l* distribute-lft-out-- difference-of-squares
associate-/r* div-inv
pow1 associate-/l/ distribute-lft-out
flip3-+ flip-+
frac-times associate-*r/
flip3-- flip--
frac-sub
pow-prod-down add-log-exp
frac-2neg clear-num
associate-*r* *-commutative
Counts
3 → 167
Calls
3 calls:
125.0ms
(/ (/ (* (/ PI 2.0) (* (- (/ 1.0 a) (/ 1.0 b)) 1.0)) (+ b a)) (- b a))
163.0ms
(/ (* (/ PI 2.0) (* (- (/ 1.0 a) (/ 1.0 b)) 1.0)) (+ b a))
183.0ms
(* (/ PI 2.0) (* (- (/ 1.0 a) (/ 1.0 b)) 1.0))

series311.0ms

Counts
3 → 9
Calls
3 calls:
108.0ms
(/ (/ (* (/ PI 2.0) (* (- (/ 1.0 a) (/ 1.0 b)) 1.0)) (+ b a)) (- b a))
116.0ms
(/ (* (/ PI 2.0) (* (- (/ 1.0 a) (/ 1.0 b)) 1.0)) (+ b a))
86.0ms
(* (/ PI 2.0) (* (- (/ 1.0 a) (/ 1.0 b)) 1.0))

simplify1.8s

Counts
176 → 176
Iterations

Useful iterations: 2 (689.0ms)

IterNodesCost
02904663
18514503
236443867
done50023867

prune600.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0b

regimes92.0ms

Accuracy

0% (0.3b remaining)

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

bsearch0.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01521
11821
done1821

end0.0ms

sample1.9s

Algorithm
intervals
Results
1.5s9654×body80valid