Details

Time bar (total: 3.5s)

analyze221.0ms

Algorithm
search

sample22.0ms

Algorithm
intervals
Results
14.0ms256×body80valid
1.0ms14×body80invalid

simplify38.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03010
18910
237710
3177910
4500110

prune3.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 15.2b

Counts
2 → 1

localize12.0ms

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)))
4.0b
(- (* b b) (* a a))
9.9b
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite51.0ms

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:
13.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
5.0ms
(/ 1.0 (- (* b b) (* a a)))
3.0ms
(- (* b b) (* a a))
24.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

series32.0ms

Counts
4 → 12
Calls
4 calls:
8.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
6.0ms
(/ 1.0 (- (* b b) (* a a)))
6.0ms
(- (* b b) (* a a))
12.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

simplify109.0ms

Algorithm
egg-herbie
Counts
165 → 165
Iterations

Useful iterations: 1 (21.0ms)

IterNodesCost
08041567
145031342
250011342

prune243.0ms

Filtered
119 candidates to 165 candidates (-38.7%)
Pruning

10 alts after pruning (10 fresh and 0 done)

PrunedKeptTotal
New15510165
Fresh000
Picked101
Done000
Total15610166

Merged error: 9.8b

Counts
166 → 10

localize15.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1.0 (- b a))
0.2b
(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a)))
0.3b
(/ (/ PI 2.0) (+ b a))
9.9b
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite91.0ms

Algorithm
rewrite-expression-head
Rules
234×times-frac
193×*-un-lft-identity
164×add-sqr-sqrt
117×add-cube-cbrt
61×add-exp-log add-cbrt-cube
59×associate-*l*
33×associate-*r*
27×distribute-lft-out
22×cbrt-undiv div-exp
19×prod-exp cbrt-unprod
16×associate-/l*
15×div-inv
14×frac-times
12×distribute-lft-out--
11×pow1 difference-of-squares
associate-/r*
associate-*r/ associate-*l/ associate-/r/
flip3-- flip-- unswap-sqr
pow-prod-down frac-sub add-log-exp
distribute-rgt-in sub-neg frac-2neg distribute-lft-in flip3-+ clear-num *-commutative flip-+
associate-/l/
Counts
4 → 288
Calls
4 calls:
5.0ms
(/ 1.0 (- b a))
34.0ms
(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a)))
8.0ms
(/ (/ PI 2.0) (+ b a))
29.0ms
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

series32.0ms

Counts
4 → 12
Calls
4 calls:
5.0ms
(/ 1.0 (- b a))
8.0ms
(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a)))
7.0ms
(/ (/ PI 2.0) (+ b a))
12.0ms
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

simplify57.0ms

Algorithm
egg-herbie
Counts
300 → 300
Iterations

Useful iterations: 1 (27.0ms)

IterNodesCost
012602632
150012332

prune397.0ms

Filtered
204 candidates to 300 candidates (-47.1%)
Pruning

11 alts after pruning (11 fresh and 0 done)

PrunedKeptTotal
New2946300
Fresh459
Picked101
Done000
Total29911310

Merged error: 0.0b

Counts
310 → 11

localize12.0ms

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

rewrite86.0ms

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:
12.0ms
(- (/ 1.0 a) (/ 1.0 b))
31.0ms
(/ (* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (/ 1.0 a) (/ 1.0 b))) (- b a))
26.0ms
(* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (/ 1.0 a) (/ 1.0 b)))
8.0ms
(/ (/ PI 2.0) (+ b a))

series37.0ms

Counts
4 → 12
Calls
4 calls:
4.0ms
(- (/ 1.0 a) (/ 1.0 b))
13.0ms
(/ (* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (/ 1.0 a) (/ 1.0 b))) (- b a))
13.0ms
(* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (/ 1.0 a) (/ 1.0 b)))
7.0ms
(/ (/ PI 2.0) (+ b a))

simplify113.0ms

Algorithm
egg-herbie
Counts
202 → 202
Iterations

Useful iterations: 1 (22.0ms)

IterNodesCost
09311844
145831596
250021596

prune258.0ms

Filtered
136 candidates to 202 candidates (-48.5%)
Pruning

9 alts after pruning (9 fresh and 0 done)

PrunedKeptTotal
New1957202
Fresh8210
Picked101
Done000
Total2049213

Merged error: 0b

Counts
213 → 9

localize12.0ms

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

rewrite115.0ms

Algorithm
rewrite-expression-head
Rules
514×times-frac
420×add-sqr-sqrt
380×*-un-lft-identity
142×add-cube-cbrt
122×distribute-lft-out--
105×difference-of-squares
83×associate-/r*
44×div-inv
43×add-exp-log add-cbrt-cube
22×cbrt-undiv div-exp
19×associate-/l*
14×distribute-lft-out
12×associate-/r/
prod-exp cbrt-unprod add-log-exp
flip3-- flip--
pow1 frac-sub associate-/l/
frac-2neg clear-num
sub-neg flip3-+ diff-log div-sub associate-*l/ flip-+
Counts
4 → 366
Calls
4 calls:
12.0ms
(- (/ 1.0 a) (/ 1.0 b))
55.0ms
(/ (* (/ (/ PI 2.0) (+ b a)) 1.0) (/ (- b a) (- (/ 1.0 a) (/ 1.0 b))))
17.0ms
(/ (- b a) (- (/ 1.0 a) (/ 1.0 b)))
8.0ms
(/ (/ PI 2.0) (+ b a))

series34.0ms

Counts
4 → 12
Calls
4 calls:
4.0ms
(- (/ 1.0 a) (/ 1.0 b))
17.0ms
(/ (* (/ (/ PI 2.0) (+ b a)) 1.0) (/ (- b a) (- (/ 1.0 a) (/ 1.0 b))))
7.0ms
(/ (- b a) (- (/ 1.0 a) (/ 1.0 b)))
7.0ms
(/ (/ PI 2.0) (+ b a))

simplify69.0ms

Algorithm
egg-herbie
Counts
378 → 378
Iterations

Useful iterations: 1 (29.0ms)

IterNodesCost
014984278
150024025

prune523.0ms

Filtered
253 candidates to 378 candidates (-49.4%)
Pruning

8 alts after pruning (8 fresh and 0 done)

PrunedKeptTotal
New3762378
Fresh268
Picked101
Done000
Total3798387

Merged error: 0b

Counts
387 → 8

regimes100.0ms

Accuracy

0% (0.2b remaining)

Error of 0.2b against oracle of 0.0b and baseline of 0.2b

bsearch0.0ms

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0167
1167

end0.0ms

analyze214.0ms

Algorithm
search

sample604.0ms

Algorithm
intervals
Results
453.0ms8000×body80valid
19.0ms354×body80invalid

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