Details

Time bar (total: 7.3s)

sample23.0ms

Algorithm
intervals
Results
13.0ms312×body80valid

simplify39.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03110
19010
238410
3182810
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: 15.6b

Counts
2 → 1

localize12.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
0.6b
(/ 1.0 (- (* b b) (* a a)))
5.3b
(- (* b b) (* a a))
9.4b
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite118.0ms

Algorithm
rewrite-expression-head
Rules
515×times-frac
419×add-sqr-sqrt
403×*-un-lft-identity
395×add-cube-cbrt
339×prod-diff
171×distribute-rgt-in distribute-lft-in
57×div-inv
36×add-exp-log add-cbrt-cube
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
distribute-lft-out--
expm1-log1p-u pow-prod-down associate-/r* associate-/r/ frac-sub log1p-expm1-u unswap-sqr
sub-neg associate-/l*
*-commutative
frac-2neg fma-neg diff-log clear-num
Counts
4 → 501
Calls
4 calls:
14.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
5.0ms
(/ 1.0 (- (* b b) (* a a)))
4.0ms
(- (* b b) (* a a))
43.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

series239.0ms

Counts
4 → 12
Calls
4 calls:
57.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
43.0ms
(/ 1.0 (- (* b b) (* a a)))
45.0ms
(- (* b b) (* a a))
92.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

simplify170.0ms

Algorithm
egg-herbie
Counts
513 → 513
Iterations

Useful iterations: 1 (50.0ms)

IterNodesCost
0248115016
1500213008

prune808.0ms

Filtered
513 candidates to 220 candidates (42.9%)
Pruning

9 alts after pruning (9 fresh and 0 done)

PrunedKeptTotal
New5049513
Fresh000
Picked101
Done000
Total5059514

Merged error: 9.3b

Counts
514 → 9

localize16.0ms

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)))
0.2b
(/ (/ PI 2.0) (+ b a))
9.4b
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite161.0ms

Algorithm
rewrite-expression-head
Rules
702×times-frac
557×*-un-lft-identity
528×add-sqr-sqrt
481×add-cube-cbrt
338×prod-diff
171×distribute-rgt-in distribute-lft-in
67×div-inv
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*
14×frac-times
12×distribute-lft-out--
11×pow1 difference-of-squares
associate-/r*
associate-*r/ associate-*l/ associate-/r/
flip3-- flip-- unswap-sqr
expm1-log1p-u pow-prod-down frac-sub log1p-expm1-u add-log-exp
sub-neg frac-2neg flip3-+ clear-num *-commutative flip-+
associate-/l/
Counts
4 → 634
Calls
4 calls:
5.0ms
(/ 1.0 (- b a))
37.0ms
(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a)))
8.0ms
(/ (/ PI 2.0) (+ b a))
45.0ms
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

series253.0ms

Counts
4 → 12
Calls
4 calls:
45.0ms
(/ 1.0 (- b a))
64.0ms
(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a)))
49.0ms
(/ (/ PI 2.0) (+ b a))
95.0ms
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

simplify186.0ms

Algorithm
egg-herbie
Counts
646 → 646
Iterations

Useful iterations: 1 (62.0ms)

IterNodesCost
0293316072
1500214991

prune1.0s

Filtered
646 candidates to 303 candidates (46.9%)
Pruning

10 alts after pruning (10 fresh and 0 done)

PrunedKeptTotal
New6397646
Fresh538
Picked101
Done000
Total64510655

Merged error: 0.0b

Counts
655 → 10

localize13.0ms

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

rewrite204.0ms

Algorithm
rewrite-expression-head
Rules
833×times-frac
661×*-un-lft-identity
641×add-sqr-sqrt
613×add-cube-cbrt
507×prod-diff
171×distribute-rgt-in distribute-lft-in
90×div-inv
43×add-exp-log add-cbrt-cube
14×cbrt-undiv div-exp prod-exp cbrt-unprod distribute-lft-out associate-/l*
13×fma-neg
12×associate-*r* distribute-lft-out--
10×associate-*l/ difference-of-squares
pow1 associate-/r*
associate-/l/
frac-times flip3-- associate-*r/ flip-- add-log-exp
frac-sub
expm1-log1p-u associate-/r/ log1p-expm1-u
sub-neg pow-prod-down
frac-2neg clear-num
flip3-+ diff-log associate-*l* *-commutative flip-+
Counts
4 → 718
Calls
4 calls:
21.0ms
(- (/ 1.0 a) (/ 1.0 b))
52.0ms
(/ (* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (/ 1.0 a) (/ 1.0 b))) (- b a))
9.0ms
(/ (/ PI 2.0) (+ b a))
46.0ms
(* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (/ 1.0 a) (/ 1.0 b)))

series434.0ms

Counts
4 → 12
Calls
4 calls:
32.0ms
(- (/ 1.0 a) (/ 1.0 b))
240.0ms
(/ (* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (/ 1.0 a) (/ 1.0 b))) (- b a))
56.0ms
(/ (/ PI 2.0) (+ b a))
105.0ms
(* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (/ 1.0 a) (/ 1.0 b)))

simplify205.0ms

Algorithm
egg-herbie
Counts
730 → 730
Iterations

Useful iterations: 1 (53.0ms)

IterNodesCost
0258618289
1500115335

prune1.2s

Filtered
730 candidates to 320 candidates (43.8%)
Pruning

9 alts after pruning (9 fresh and 0 done)

PrunedKeptTotal
New7273730
Fresh369
Picked101
Done000
Total7319740

Merged error: 0b

Counts
740 → 9

localize13.0ms

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))))
0.2b
(/ (- b a) (- (/ 1.0 a) (/ 1.0 b)))
0.2b
(/ (/ PI 2.0) (+ b a))

rewrite144.0ms

Algorithm
rewrite-expression-head
Rules
757×times-frac
609×add-sqr-sqrt
569×*-un-lft-identity
331×add-cube-cbrt
169×prod-diff
122×distribute-lft-out--
105×difference-of-squares
83×associate-/r*
71×div-inv
43×add-exp-log add-cbrt-cube
22×cbrt-undiv div-exp
19×associate-/l*
14×distribute-lft-out
13×fma-neg
12×associate-/r/
prod-exp cbrt-unprod add-log-exp
flip3-- flip--
pow1 expm1-log1p-u frac-sub log1p-expm1-u associate-/l/
frac-2neg clear-num
sub-neg flip3-+ diff-log div-sub associate-*l/ flip-+
Counts
4 → 556
Calls
4 calls:
19.0ms
(- (/ 1.0 a) (/ 1.0 b))
40.0ms
(/ (* (/ (/ PI 2.0) (+ b a)) 1.0) (/ (- b a) (- (/ 1.0 a) (/ 1.0 b))))
20.0ms
(/ (- b a) (- (/ 1.0 a) (/ 1.0 b)))
9.0ms
(/ (/ PI 2.0) (+ b a))

series235.0ms

Counts
4 → 12
Calls
4 calls:
31.0ms
(- (/ 1.0 a) (/ 1.0 b))
97.0ms
(/ (* (/ (/ PI 2.0) (+ b a)) 1.0) (/ (- b a) (- (/ 1.0 a) (/ 1.0 b))))
55.0ms
(/ (- b a) (- (/ 1.0 a) (/ 1.0 b)))
51.0ms
(/ (/ PI 2.0) (+ b a))

simplify125.0ms

Algorithm
egg-herbie
Counts
568 → 568
Iterations

Useful iterations: 1 (43.0ms)

IterNodesCost
020648678
150027331

prune1.1s

Filtered
568 candidates to 329 candidates (57.9%)
Pruning

7 alts after pruning (7 fresh and 0 done)

PrunedKeptTotal
New5662568
Fresh358
Picked101
Done000
Total5707577

Merged error: 0b

Counts
577 → 7

regimes52.0ms

Accuracy

0% (0.2b remaining)

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

bsearch0.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0167
1167

end0.0ms

sample590.0ms

Algorithm
intervals
Results
428.0ms9677×body80valid