Details

Time bar (total: 4.3s)

sample27.0ms

Algorithm
intervals
Results
17.0ms304×body80valid

simplify39.0ms

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: 16.2b

Counts
2 → 1

localize12.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
1.0b
(/ 1.0 (- (* b b) (* a a)))
4.5b
(- (* b b) (* a a))
10.2b
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite54.0ms

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))
26.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

series219.0ms

Counts
4 → 12
Calls
4 calls:
53.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
46.0ms
(/ 1.0 (- (* b b) (* a a)))
30.0ms
(- (* b b) (* a a))
90.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

simplify112.0ms

Algorithm
egg-herbie
Counts
165 → 165
Iterations

Useful iterations: 1 (21.0ms)

IterNodesCost
08041567
145031342
250011342

prune347.0ms

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: 10.1b

Counts
166 → 10

localize17.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1.0 (+ b a))
0.1b
(/ (/ 1.0 (+ b a)) (- b a))
0.2b
(* (/ PI 2.0) (/ (/ 1.0 (+ b a)) (- b a)))
10.2b
(* (* (/ PI 2.0) (/ (/ 1.0 (+ b a)) (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite110.0ms

Algorithm
rewrite-expression-head
Rules
352×times-frac
305×*-un-lft-identity
256×add-sqr-sqrt
149×add-cube-cbrt
108×associate-*r*
61×add-exp-log add-cbrt-cube
42×distribute-lft-out--
41×difference-of-squares
37×distribute-lft-out
28×associate-/r/
22×cbrt-undiv div-exp
21×associate-/l*
19×prod-exp cbrt-unprod
17×div-inv
14×frac-times associate-*l*
12×flip3-+ flip-+
11×pow1
associate-/r*
associate-*r/ associate-*l/
flip3-- flip-- unswap-sqr
pow-prod-down frac-sub add-log-exp
distribute-rgt-in sub-neg frac-2neg distribute-lft-in clear-num *-commutative
associate-/l/
Counts
4 → 358
Calls
4 calls:
5.0ms
(/ 1.0 (+ b a))
11.0ms
(/ (/ 1.0 (+ b a)) (- b a))
42.0ms
(* (/ PI 2.0) (/ (/ 1.0 (+ b a)) (- b a)))
30.0ms
(* (* (/ PI 2.0) (/ (/ 1.0 (+ b a)) (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

series252.0ms

Counts
4 → 12
Calls
4 calls:
38.0ms
(/ 1.0 (+ b a))
52.0ms
(/ (/ 1.0 (+ b a)) (- b a))
66.0ms
(* (/ PI 2.0) (/ (/ 1.0 (+ b a)) (- b a)))
96.0ms
(* (* (/ PI 2.0) (/ (/ 1.0 (+ b a)) (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

simplify71.0ms

Algorithm
egg-herbie
Counts
370 → 370
Iterations

Useful iterations: 1 (32.0ms)

IterNodesCost
014673480
150023169

prune699.0ms

Filtered
370 candidates to 235 candidates (63.5%)
Pruning

8 alts after pruning (7 fresh and 1 done)

PrunedKeptTotal
New3673370
Fresh549
Picked011
Done000
Total3728380

Merged error: 0.1b

Counts
380 → 8

localize18.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1.0 (+ b a))
0.2b
(/ (* (* PI (/ 1.0 (+ b a))) (- (/ 1.0 a) (/ 1.0 b))) (* 2.0 (- b a)))
0.3b
(* (* PI (/ 1.0 (+ b a))) (- (/ 1.0 a) (/ 1.0 b)))
0.4b
(* PI (/ 1.0 (+ b a)))

rewrite65.0ms

Algorithm
rewrite-expression-head
Rules
52×add-exp-log add-cbrt-cube
47×*-un-lft-identity
42×add-sqr-sqrt
36×times-frac
30×associate-*r*
25×add-cube-cbrt
21×prod-exp cbrt-unprod
17×associate-*r/
13×cbrt-undiv div-exp
11×pow1
associate-/l/ distribute-lft-out
frac-times associate-/r/
flip3-- associate-/r* flip-- div-inv distribute-lft-out--
associate-*l* pow-prod-down frac-sub associate-/l* add-log-exp difference-of-squares
distribute-rgt-in sub-neg frac-2neg distribute-lft-in flip3-+ associate-*l/ clear-num *-commutative flip-+ unswap-sqr
Counts
4 → 148
Calls
4 calls:
5.0ms
(/ 1.0 (+ b a))
24.0ms
(/ (* (* PI (/ 1.0 (+ b a))) (- (/ 1.0 a) (/ 1.0 b))) (* 2.0 (- b a)))
21.0ms
(* (* PI (/ 1.0 (+ b a))) (- (/ 1.0 a) (/ 1.0 b)))
9.0ms
(* PI (/ 1.0 (+ b a)))

series293.0ms

Counts
4 → 12
Calls
4 calls:
44.0ms
(/ 1.0 (+ b a))
94.0ms
(/ (* (* PI (/ 1.0 (+ b a))) (- (/ 1.0 a) (/ 1.0 b))) (* 2.0 (- b a)))
101.0ms
(* (* PI (/ 1.0 (+ b a))) (- (/ 1.0 a) (/ 1.0 b)))
53.0ms
(* PI (/ 1.0 (+ b a)))

simplify108.0ms

Algorithm
egg-herbie
Counts
160 → 160
Iterations

Useful iterations: 1 (21.0ms)

IterNodesCost
07381318
147401036
250021036

prune300.0ms

Filtered
160 candidates to 103 candidates (64.4%)
Pruning

10 alts after pruning (10 fresh and 0 done)

PrunedKeptTotal
New1537160
Fresh336
Picked101
Done101
Total15810168

Merged error: 0.0b

Counts
168 → 10

localize13.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (/ 1.0 a) (/ 1.0 b))
0.2b
(/ (/ (* (* PI 1.0) (- (/ 1.0 a) (/ 1.0 b))) (+ b a)) (* 2.0 (- b a)))
0.2b
(/ (* (* PI 1.0) (- (/ 1.0 a) (/ 1.0 b))) (+ b a))
0.4b
(* (* PI 1.0) (- (/ 1.0 a) (/ 1.0 b)))

rewrite81.0ms

Algorithm
rewrite-expression-head
Rules
50×add-exp-log add-cbrt-cube
42×times-frac
39×add-sqr-sqrt *-un-lft-identity
17×cbrt-undiv div-exp
16×prod-exp cbrt-unprod
15×add-cube-cbrt
12×associate-*r*
11×associate-/l*
10×distribute-lft-out--
pow1
associate-*r/ associate-/r/ div-inv difference-of-squares
add-log-exp
associate-/r*
flip3-- flip-- associate-/l/ distribute-lft-out
sub-neg flip3-+ pow-prod-down frac-sub flip-+
distribute-rgt-in frac-2neg distribute-lft-in clear-num
diff-log associate-*l* *-commutative
Counts
4 → 136
Calls
4 calls:
12.0ms
(- (/ 1.0 a) (/ 1.0 b))
23.0ms
(/ (/ (* (* PI 1.0) (- (/ 1.0 a) (/ 1.0 b))) (+ b a)) (* 2.0 (- b a)))
24.0ms
(/ (* (* PI 1.0) (- (/ 1.0 a) (/ 1.0 b))) (+ b a))
17.0ms
(* (* PI 1.0) (- (/ 1.0 a) (/ 1.0 b)))

series299.0ms

Counts
4 → 12
Calls
4 calls:
36.0ms
(- (/ 1.0 a) (/ 1.0 b))
96.0ms
(/ (/ (* (* PI 1.0) (- (/ 1.0 a) (/ 1.0 b))) (+ b a)) (* 2.0 (- b a)))
102.0ms
(/ (* (* PI 1.0) (- (/ 1.0 a) (/ 1.0 b))) (+ b a))
65.0ms
(* (* PI 1.0) (- (/ 1.0 a) (/ 1.0 b)))

simplify101.0ms

Algorithm
egg-herbie
Counts
148 → 148
Iterations

Useful iterations: 1 (18.0ms)

IterNodesCost
07231440
139571141
250011141

prune251.0ms

Filtered
148 candidates to 95 candidates (64.2%)
Pruning

9 alts after pruning (8 fresh and 1 done)

PrunedKeptTotal
New1462148
Fresh369
Picked011
Done000
Total1499158

Merged error: 0b

Counts
158 → 9

regimes64.0ms

Accuracy

0% (0.2b 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
0179
1179

end0.0ms

sample705.0ms

Algorithm
intervals
Results
538.0ms9581×body80valid

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