Details

Time bar (total: 8.3s)

sample23.0ms

Algorithm
intervals
Results
13.0ms305×body80valid

simplify40.0ms

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: 12.4b

Counts
2 → 1

localize16.0ms

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)))
3.5b
(- (* b b) (* a a))
8.0b
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite107.0ms

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))
38.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

series226.0ms

Counts
4 → 12
Calls
4 calls:
58.0ms
(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
41.0ms
(/ 1.0 (- (* b b) (* a a)))
35.0ms
(- (* b b) (* a a))
91.0ms
(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

simplify165.0ms

Algorithm
egg-herbie
Counts
513 → 513
Iterations

Useful iterations: 1 (51.0ms)

IterNodesCost
0248115016
1500213008

prune886.0ms

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: 7.8b

Counts
514 → 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)))
0.2b
(/ (/ PI 2.0) (+ b a))
8.0b
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite175.0ms

Algorithm
rewrite-expression-head
Rules
940×times-frac
738×*-un-lft-identity
713×add-sqr-sqrt
662×add-cube-cbrt
507×prod-diff
171×distribute-rgt-in distribute-lft-in
95×div-inv
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
14×frac-times
13×fma-neg 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
expm1-log1p-u pow-prod-down associate-/r* log1p-expm1-u
sub-neg
flip3-+ *-commutative flip-+
frac-2neg diff-log clear-num associate-/l/
Counts
4 → 801
Calls
4 calls:
18.0ms
(- (/ 1.0 a) (/ 1.0 b))
35.0ms
(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a)))
8.0ms
(/ (/ PI 2.0) (+ b a))
44.0ms
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

series403.0ms

Counts
4 → 12
Calls
4 calls:
31.0ms
(- (/ 1.0 a) (/ 1.0 b))
62.0ms
(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a)))
214.0ms
(/ (/ PI 2.0) (+ b a))
96.0ms
(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

simplify218.0ms

Algorithm
egg-herbie
Counts
813 → 813
Iterations

Useful iterations: 1 (56.0ms)

IterNodesCost
0292820392
1500118352

prune1.6s

Filtered
813 candidates to 378 candidates (46.5%)
Pruning

9 alts after pruning (9 fresh and 0 done)

PrunedKeptTotal
New8067813
Fresh628
Picked101
Done000
Total8139822

Merged error: 0.0b

Counts
822 → 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) (- (/ 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)))

rewrite195.0ms

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:
18.0ms
(- (/ 1.0 a) (/ 1.0 b))
56.0ms
(/ (* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (/ 1.0 a) (/ 1.0 b))) (- b a))
9.0ms
(/ (/ PI 2.0) (+ b a))
45.0ms
(* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (/ 1.0 a) (/ 1.0 b)))

series287.0ms

Counts
4 → 12
Calls
4 calls:
32.0ms
(- (/ 1.0 a) (/ 1.0 b))
96.0ms
(/ (* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (/ 1.0 a) (/ 1.0 b))) (- b a))
55.0ms
(/ (/ PI 2.0) (+ b a))
105.0ms
(* (* (/ (/ PI 2.0) (+ b a)) 1.0) (- (/ 1.0 a) (/ 1.0 b)))

simplify198.0ms

Algorithm
egg-herbie
Counts
730 → 730
Iterations

Useful iterations: 1 (51.0ms)

IterNodesCost
0258618289
1500115335

prune1.4s

Filtered
730 candidates to 321 candidates (44.0%)
Pruning

9 alts after pruning (8 fresh and 1 done)

PrunedKeptTotal
New7282730
Fresh268
Picked011
Done000
Total7309739

Merged error: 0.0b

Counts
739 → 9

localize22.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (cbrt (/ 1.0 a)) (cbrt (/ 1.0 a)))
0.6b
(cbrt (/ 1.0 a))
0.6b
(cbrt (/ 1.0 a))
0.6b
(cbrt (/ 1.0 a))

rewrite32.0ms

Algorithm
rewrite-expression-head
Rules
103×cbrt-prod
81×add-sqr-sqrt
69×times-frac
57×add-cube-cbrt *-un-lft-identity
16×swap-sqr associate-*r* associate-*l*
11×pow1
pow1/3 unswap-sqr
cbrt-div div-inv
add-exp-log
expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp
pow-prod-down pow-sqr pow-prod-up
pow2 frac-times pow-plus associate-*r/ associate-*l/ prod-exp *-commutative cbrt-unprod
Counts
4 → 152
Calls
4 calls:
17.0ms
(* (cbrt (/ 1.0 a)) (cbrt (/ 1.0 a)))
3.0ms
(cbrt (/ 1.0 a))
2.0ms
(cbrt (/ 1.0 a))
3.0ms
(cbrt (/ 1.0 a))

series802.0ms

Counts
4 → 12
Calls
4 calls:
227.0ms
(* (cbrt (/ 1.0 a)) (cbrt (/ 1.0 a)))
190.0ms
(cbrt (/ 1.0 a))
195.0ms
(cbrt (/ 1.0 a))
190.0ms
(cbrt (/ 1.0 a))

simplify138.0ms

Algorithm
egg-herbie
Counts
164 → 164
Iterations

Useful iterations: 3 (119.0ms)

IterNodesCost
02261109
18171069
246691027
350011023

prune719.0ms

Filtered
164 candidates to 130 candidates (79.3%)
Pruning

9 alts after pruning (7 fresh and 2 done)

PrunedKeptTotal
New1640164
Fresh077
Picked011
Done011
Total1649173

Merged error: 0.0b

Counts
173 → 9

regimes82.0ms

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
01810
11810

end0.0ms

sample589.0ms

Algorithm
intervals
Results
434.0ms9588×body80valid