Details

Time bar (total: 13.3s)

sample58.0ms

Algorithm
intervals
Results
35.0ms302×body80valid

simplify2.2s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01521
13021
28921
337821
4178921
done500021

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 16.1b

localize26.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
0.7b
(/ 1.0 (- (* b b) (* a a)))
5.7b
(- (* b b) (* a a))
8.9b
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite297.0ms

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:
54.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
19.0ms
(/ 1.0 (- (* b b) (* a a)))
16.0ms
(- (* b b) (* a a))
200.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

series338.0ms

Counts
4 → 12
Calls
4 calls:
86.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
67.0ms
(/ 1.0 (- (* b b) (* a a)))
58.0ms
(- (* b b) (* a a))
127.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

simplify542.0ms

Counts
165 → 165
Iterations

Useful iterations: done (532.0ms)

IterNodesCost
02583239
18733170
done50002752

prune710.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 8.8b

localize25.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (/ 1.0 a) (/ 1.0 b))
0.2b
(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a)))
0.2b
(/ (/ PI 2.0) (+ b a))
8.9b
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite340.0ms

Algorithm
rewrite-expression-head
Rules
229×times-frac
185×*-un-lft-identity
160×add-sqr-sqrt
109×add-cube-cbrt
59×add-exp-log associate-*l* add-cbrt-cube
33×associate-*r*
27×distribute-lft-out
21×cbrt-undiv div-exp
19×prod-exp cbrt-unprod
16×div-inv
14×frac-times
13×associate-/l* distribute-lft-out--
11×pow1 difference-of-squares
associate-*r/ associate-*l/
flip3-- associate-/r/ flip-- add-log-exp unswap-sqr
frac-sub
pow-prod-down associate-/r*
sub-neg
distribute-rgt-in distribute-lft-in flip3-+ *-commutative flip-+
frac-2neg diff-log clear-num associate-/l/
Counts
4 → 273
Calls
4 calls:
43.0ms
(- (/ 1.0 a) (/ 1.0 b))
88.0ms
(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a)))
18.0ms
(/ (/ PI 2.0) (+ b a))
158.0ms
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

series313.0ms

Counts
4 → 12
Calls
4 calls:
35.0ms
(- (/ 1.0 a) (/ 1.0 b))
95.0ms
(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a)))
57.0ms
(/ (/ PI 2.0) (+ b a))
127.0ms
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

simplify697.0ms

Counts
285 → 285
Iterations

Useful iterations: done (688.0ms)

IterNodesCost
04055259
113355084
done50014552

prune978.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.0b

localize36.0ms

Local error

Found 4 expressions with local error:

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

rewrite639.0ms

Algorithm
rewrite-expression-head
Rules
122×times-frac
108×*-un-lft-identity
88×add-sqr-sqrt
60×add-cube-cbrt
43×add-exp-log add-cbrt-cube
14×cbrt-undiv div-exp prod-exp cbrt-unprod distribute-lft-out associate-/l*
12×associate-*r* distribute-lft-out--
11×div-inv
10×associate-*l/ difference-of-squares
pow1 associate-/r*
associate-/l/
frac-times flip3-- associate-*r/ flip-- add-log-exp
frac-sub
associate-/r/
sub-neg pow-prod-down
distribute-rgt-in frac-2neg distribute-lft-in clear-num
flip3-+ diff-log associate-*l* *-commutative flip-+
Counts
4 → 190
Calls
4 calls:
26.0ms
(- (/ 1.0 a) (/ 1.0 b))
128.0ms
(/ (* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (/ 1.0 a) (/ 1.0 b))) (- b a))
18.0ms
(/ (/ PI 2.0) (+ b a))
457.0ms
(* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (/ 1.0 a) (/ 1.0 b)))

series311.0ms

Counts
4 → 12
Calls
4 calls:
37.0ms
(- (/ 1.0 a) (/ 1.0 b))
104.0ms
(/ (* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (/ 1.0 a) (/ 1.0 b))) (- b a))
58.0ms
(/ (/ PI 2.0) (+ b a))
112.0ms
(* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (/ 1.0 a) (/ 1.0 b)))

simplify572.0ms

Counts
202 → 202
Iterations

Useful iterations: done (562.0ms)

IterNodesCost
03363777
19643626
done50013190

prune754.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 0b

localize19.0ms

Local error

Found 4 expressions with local error:

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

rewrite628.0ms

Algorithm
rewrite-expression-head
Rules
217×times-frac
216×add-exp-log add-cbrt-cube
173×*-un-lft-identity
119×add-sqr-sqrt
107×add-cube-cbrt
89×prod-exp cbrt-unprod
82×cbrt-undiv div-exp
58×associate-*r*
27×distribute-lft-out
19×div-inv associate-/l*
10×associate-*r/ associate-/r*
pow1 associate-*l/
associate-/l/
associate-/r/ distribute-lft-out-- difference-of-squares
flip3-- flip--
frac-times add-log-exp
frac-2neg pow-prod-down clear-num
flip3-+ flip-+
associate-*l* *-commutative
Counts
4 → 304
Calls
4 calls:
245.0ms
(/ (/ (* (* (* 1.0 (- b a)) (/ (/ PI 2.0) (+ b a))) 1.0) (* a b)) (- b a))
19.0ms
(/ (/ PI 2.0) (+ b a))
90.0ms
(* (* 1.0 (- b a)) (/ (/ PI 2.0) (+ b a)))
247.0ms
(/ (* (* (* 1.0 (- b a)) (/ (/ PI 2.0) (+ b a))) 1.0) (* a b))

series438.0ms

Counts
4 → 12
Calls
4 calls:
80.0ms
(/ (/ (* (* (* 1.0 (- b a)) (/ (/ PI 2.0) (+ b a))) 1.0) (* a b)) (- b a))
70.0ms
(/ (/ PI 2.0) (+ b a))
123.0ms
(* (* 1.0 (- b a)) (/ (/ PI 2.0) (+ b a)))
164.0ms
(/ (* (* (* 1.0 (- b a)) (/ (/ PI 2.0) (+ b a))) 1.0) (* a b))

simplify883.0ms

Counts
316 → 316
Iterations

Useful iterations: done (872.0ms)

IterNodesCost
04397867
114917436
done50006130

prune1.1s

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 0b

regimes103.0ms

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
01523
12023
done2023

end0.0ms

sample1.3s

Algorithm
intervals
Results
953.0ms9582×body80valid