Details

Time bar (total: 19.3s)

sample41.0ms

Algorithm
intervals
Results
26.0ms310×body80valid

simplify2.3s

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: 13.1b

localize21.0ms

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)))
5.1b
(- (* b b) (* a a))
7.2b
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite300.0ms

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:
71.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
15.0ms
(/ 1.0 (- (* b b) (* a a)))
12.0ms
(- (* b b) (* a a))
190.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

series345.0ms

Counts
4 → 12
Calls
4 calls:
90.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
64.0ms
(/ 1.0 (- (* b b) (* a a)))
39.0ms
(- (* b b) (* a a))
152.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

simplify2.8s

Counts
165 → 165
Iterations

Useful iterations: 2 (729.0ms)

IterNodesCost
02583239
17763164
232672690
done50002690

prune506.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.1b

localize22.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (/ 1.0 a) (/ 1.0 b))
0.1b
(* (/ 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))

rewrite490.0ms

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:
26.0ms
(- (/ 1.0 a) (/ 1.0 b))
156.0ms
(* (/ PI 2.0) (* (/ (- (/ 1.0 a) (/ 1.0 b)) (- b a)) (/ 1.0 (+ b a))))
185.0ms
(* (/ (- (/ 1.0 a) (/ 1.0 b)) (- b a)) (/ 1.0 (+ b a)))
98.0ms
(/ (- (/ 1.0 a) (/ 1.0 b)) (- b a))

series366.0ms

Counts
4 → 12
Calls
4 calls:
39.0ms
(- (/ 1.0 a) (/ 1.0 b))
138.0ms
(* (/ PI 2.0) (* (/ (- (/ 1.0 a) (/ 1.0 b)) (- b a)) (/ 1.0 (+ b a))))
106.0ms
(* (/ (- (/ 1.0 a) (/ 1.0 b)) (- b a)) (/ 1.0 (+ b a)))
83.0ms
(/ (- (/ 1.0 a) (/ 1.0 b)) (- b a))

simplify2.3s

Counts
288 → 288
Iterations

Useful iterations: 2 (964.0ms)

IterNodesCost
03886213
111816052
236365342
done50015342

prune1.2s

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.0b

localize27.0ms

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)) 1.0))

rewrite540.0ms

Algorithm
rewrite-expression-head
Rules
156×add-sqr-sqrt
143×times-frac
132×*-un-lft-identity
56×add-exp-log add-cbrt-cube
48×distribute-lft-out--
46×add-cube-cbrt
41×difference-of-squares
20×prod-exp cbrt-unprod
18×cbrt-undiv div-exp
17×div-inv
13×associate-*l* associate-/l*
pow1 associate-/r*
associate-*l/ associate-/l/ add-log-exp
associate-/r/
flip3-- pow-prod-down flip--
frac-times frac-2neg associate-*r/ clear-num frac-sub distribute-lft-out
sub-neg flip3-+ diff-log div-sub associate-*r* *-commutative flip-+
Counts
4 → 194
Calls
4 calls:
52.0ms
(- (/ 1.0 a) (/ 1.0 b))
176.0ms
(/ (* (/ PI 2.0) (* (/ (- (/ 1.0 a) (/ 1.0 b)) (- b a)) 1.0)) (+ b a))
117.0ms
(/ (- (/ 1.0 a) (/ 1.0 b)) (- b a))
171.0ms
(* (/ PI 2.0) (* (/ (- (/ 1.0 a) (/ 1.0 b)) (- b a)) 1.0))

series355.0ms

Counts
4 → 12
Calls
4 calls:
36.0ms
(- (/ 1.0 a) (/ 1.0 b))
129.0ms
(/ (* (/ PI 2.0) (* (/ (- (/ 1.0 a) (/ 1.0 b)) (- b a)) 1.0)) (+ b a))
77.0ms
(/ (- (/ 1.0 a) (/ 1.0 b)) (- b a))
112.0ms
(* (/ PI 2.0) (* (/ (- (/ 1.0 a) (/ 1.0 b)) (- b a)) 1.0))

simplify1.6s

Counts
206 → 206
Iterations

Useful iterations: 2 (688.0ms)

IterNodesCost
03254481
18794338
228443698
done50003698

prune762.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0b

localize29.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (/ 1.0 a) (/ 1.0 b))
0.1b
(* (/ 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))

rewrite371.0ms

Algorithm
rewrite-expression-head
Rules
163×add-sqr-sqrt
148×times-frac
136×*-un-lft-identity
48×add-cube-cbrt distribute-lft-out--
47×add-exp-log add-cbrt-cube
41×difference-of-squares
18×div-inv
17×cbrt-undiv div-exp
14×prod-exp cbrt-unprod
13×associate-*l* associate-/l*
10×associate-*r*
associate-/r*
pow1 associate-/r/ add-log-exp
associate-/l/
flip3-- flip-- distribute-lft-out
frac-2neg flip3-+ associate-*l/ clear-num frac-sub flip-+ unswap-sqr
frac-times sub-neg diff-log div-sub associate-*r/ pow-prod-down *-commutative
Counts
4 → 198
Calls
4 calls:
31.0ms
(- (/ 1.0 a) (/ 1.0 b))
154.0ms
(* (/ PI 2.0) (/ (* (/ (- (/ 1.0 a) (/ 1.0 b)) (- b a)) 1.0) (+ b a)))
64.0ms
(/ (* (/ (- (/ 1.0 a) (/ 1.0 b)) (- b a)) 1.0) (+ b a))
100.0ms
(/ (- (/ 1.0 a) (/ 1.0 b)) (- b a))

series384.0ms

Counts
4 → 12
Calls
4 calls:
42.0ms
(- (/ 1.0 a) (/ 1.0 b))
144.0ms
(* (/ 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))
73.0ms
(/ (- (/ 1.0 a) (/ 1.0 b)) (- b a))

simplify1.7s

Counts
210 → 210
Iterations

Useful iterations: 2 (686.0ms)

IterNodesCost
03244600
18864458
228833878
done50003878

prune838.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0b

regimes69.0ms

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
1.7s9560×body80valid