Details

Time bar (total: 4.5s)

sample27.0ms

Algorithm
intervals
Results
17.0ms312×body80valid

simplify38.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03010
18910
237710
3177910
4500110

prune2.0ms

Filtered
1 candidates to 0 candidates (0.0%)
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))))
0.5b
(/ 1.0 (- (* b b) (* a a)))
5.2b
(- (* b b) (* a a))
8.9b
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite57.0ms

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:
14.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
9.0ms
(/ 1.0 (- (* b b) (* a a)))
4.0ms
(- (* b b) (* a a))
24.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

series222.0ms

Counts
4 → 12
Calls
4 calls:
54.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
46.0ms
(/ 1.0 (- (* b b) (* a a)))
30.0ms
(- (* b b) (* a a))
91.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

simplify113.0ms

Algorithm
egg-herbie
Counts
165 → 165
Iterations

Useful iterations: 1 (21.0ms)

IterNodesCost
08041567
145031342
250021342

prune380.0ms

Filtered
165 candidates to 119 candidates (72.1%)
Pruning

10 alts after pruning (10 fresh and 0 done)

PrunedKeptTotal
New15510165
Fresh000
Picked101
Done000
Total15610166

Merged error: 8.7b

Counts
166 → 10

localize13.0ms

Local error

Found 4 expressions with local error:

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

rewrite107.0ms

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:
13.0ms
(- (/ 1.0 a) (/ 1.0 b))
37.0ms
(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a)))
8.0ms
(/ (/ PI 2.0) (+ b a))
32.0ms
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

series261.0ms

Counts
4 → 12
Calls
4 calls:
33.0ms
(- (/ 1.0 a) (/ 1.0 b))
70.0ms
(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a)))
58.0ms
(/ (/ PI 2.0) (+ b a))
100.0ms
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

simplify62.0ms

Algorithm
egg-herbie
Counts
285 → 285
Iterations

Useful iterations: 1 (29.0ms)

IterNodesCost
012702599
150012298

prune694.0ms

Filtered
285 candidates to 194 candidates (68.1%)
Pruning

9 alts after pruning (9 fresh and 0 done)

PrunedKeptTotal
New2796285
Fresh639
Picked101
Done000
Total2869295

Merged error: 0.0b

Counts
295 → 9

localize12.0ms

Local error

Found 4 expressions with local error:

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

rewrite93.0ms

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:
13.0ms
(- (/ 1.0 a) (/ 1.0 b))
31.0ms
(/ (* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (/ 1.0 a) (/ 1.0 b))) (- b a))
9.0ms
(/ (/ PI 2.0) (+ b a))
31.0ms
(* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (/ 1.0 a) (/ 1.0 b)))

series300.0ms

Counts
4 → 12
Calls
4 calls:
36.0ms
(- (/ 1.0 a) (/ 1.0 b))
99.0ms
(/ (* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (/ 1.0 a) (/ 1.0 b))) (- b a))
54.0ms
(/ (/ PI 2.0) (+ b a))
111.0ms
(* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (/ 1.0 a) (/ 1.0 b)))

simplify116.0ms

Algorithm
egg-herbie
Counts
202 → 202
Iterations

Useful iterations: 1 (25.0ms)

IterNodesCost
09311844
145831596
250011596

prune407.0ms

Filtered
202 candidates to 137 candidates (67.8%)
Pruning

9 alts after pruning (9 fresh and 0 done)

PrunedKeptTotal
New1975202
Fresh448
Picked101
Done000
Total2029211

Merged error: 0b

Counts
211 → 9

localize15.0ms

Local error

Found 4 expressions with local error:

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

rewrite98.0ms

Algorithm
rewrite-expression-head
Rules
98×times-frac
88×*-un-lft-identity
80×add-sqr-sqrt
47×add-exp-log add-cbrt-cube
34×add-cube-cbrt
21×distribute-lft-out--
19×difference-of-squares
16×cbrt-undiv div-exp associate-/r/
15×prod-exp cbrt-unprod
12×associate-*r* div-inv
11×associate-/l*
10×associate-*l/
pow1 associate-/r*
associate-/l/ distribute-lft-out
flip3-+ flip-+
frac-times flip3-- associate-*r/ flip-- add-log-exp
frac-sub
sub-neg pow-prod-down
distribute-rgt-in frac-2neg distribute-lft-in clear-num
diff-log associate-*l* *-commutative
Counts
4 → 186
Calls
4 calls:
13.0ms
(- (/ 1.0 a) (/ 1.0 b))
32.0ms
(/ (/ (* (* (/ PI 2.0) 1.0) (- (/ 1.0 a) (/ 1.0 b))) (+ b a)) (- b a))
23.0ms
(/ (* (* (/ PI 2.0) 1.0) (- (/ 1.0 a) (/ 1.0 b))) (+ b a))
20.0ms
(* (* (/ PI 2.0) 1.0) (- (/ 1.0 a) (/ 1.0 b)))

series303.0ms

Counts
4 → 12
Calls
4 calls:
32.0ms
(- (/ 1.0 a) (/ 1.0 b))
98.0ms
(/ (/ (* (* (/ PI 2.0) 1.0) (- (/ 1.0 a) (/ 1.0 b))) (+ b a)) (- b a))
104.0ms
(/ (* (* (/ PI 2.0) 1.0) (- (/ 1.0 a) (/ 1.0 b))) (+ b a))
69.0ms
(* (* (/ PI 2.0) 1.0) (- (/ 1.0 a) (/ 1.0 b)))

simplify51.0ms

Algorithm
egg-herbie
Counts
198 → 198
Iterations

Useful iterations: 1 (25.0ms)

IterNodesCost
09202312
150022031

prune347.0ms

Filtered
198 candidates to 133 candidates (67.2%)
Pruning

9 alts after pruning (8 fresh and 1 done)

PrunedKeptTotal
New1971198
Fresh178
Picked011
Done000
Total1989207

Merged error: 0b

Counts
207 → 9

regimes65.0ms

Accuracy

0% (0.3b remaining)

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

bsearch0.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01810
11810

end0.0ms

sample689.0ms

Algorithm
intervals
Results
529.0ms9537×body80valid

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