Details

Time bar (total: 1.4s)

sample23.0ms

Algorithm
intervals
Results
11.0ms256×body80valid

simplify19.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
0154
1364
2734
31274
41674
51854
61874
71874

prune1.0ms

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: 15.9b

Counts
2 → 1

localize5.0ms

Local error

Found 1 expressions with local error:

15.5b
(/ (* (* x 2.0) y) (- x y))

rewrite9.0ms

Algorithm
rewrite-expression-head
Rules
10×add-exp-log add-cbrt-cube
add-sqr-sqrt *-un-lft-identity
times-frac associate-/r*
cbrt-undiv add-cube-cbrt div-exp prod-exp cbrt-unprod
associate-/r/ distribute-lft-out-- difference-of-squares
pow1 flip3-- frac-2neg clear-num flip-- div-inv associate-/l* add-log-exp
Counts
1 → 29
Calls
1 calls:
8.0ms
(/ (* (* x 2.0) y) (- x y))

series60.0ms

Counts
1 → 3
Calls
1 calls:
60.0ms
(/ (* (* x 2.0) y) (- x y))

simplify32.0ms

Algorithm
egg-herbie
Counts
32 → 32
Iterations

Useful iterations: 1 (7.0ms)

IterNodesCost
0211184
11144151
25002151

prune50.0ms

Filtered
32 candidates to 21 candidates (65.6%)
Pruning

7 alts after pruning (6 fresh and 1 done)

PrunedKeptTotal
New26632
Fresh000
Picked011
Done000
Total26733

Merged error: 0.0b

Counts
33 → 7

localize5.0ms

Local error

Found 1 expressions with local error:

8.0b
(* (* x 2.0) (/ y (- x y)))

rewrite12.0ms

Algorithm
rewrite-expression-head
Rules
21×associate-*r*
16×add-sqr-sqrt *-un-lft-identity
15×times-frac
13×add-exp-log add-cbrt-cube
10×add-cube-cbrt
pow1 prod-exp cbrt-unprod
pow-prod-down distribute-lft-out-- difference-of-squares
cbrt-undiv div-exp associate-/r/
flip3-- associate-*r/ associate-*l* *-commutative flip-- div-inv add-log-exp
Counts
1 → 41
Calls
1 calls:
10.0ms
(* (* x 2.0) (/ y (- x y)))

series60.0ms

Counts
1 → 3
Calls
1 calls:
59.0ms
(* (* x 2.0) (/ y (- x y)))

simplify41.0ms

Algorithm
egg-herbie
Counts
44 → 44
Iterations

Useful iterations: 1 (9.0ms)

IterNodesCost
0280248
11531207
25001207

prune51.0ms

Filtered
44 candidates to 23 candidates (52.3%)
Pruning

8 alts after pruning (6 fresh and 2 done)

PrunedKeptTotal
New42244
Fresh145
Picked011
Done011
Total43851

Merged error: 0b

Counts
51 → 8

localize5.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- x y) y)
8.5b
(/ (* x 2.0) (/ (- x y) y))

rewrite17.0ms

Algorithm
rewrite-expression-head
Rules
64×times-frac
50×add-sqr-sqrt *-un-lft-identity
30×add-cube-cbrt
22×associate-/r*
16×add-exp-log add-cbrt-cube
10×distribute-lft-out-- difference-of-squares
cbrt-undiv div-exp
associate-/l*
div-inv
pow1 frac-2neg prod-exp clear-num cbrt-unprod associate-/l/ add-log-exp
flip3-- div-sub associate-/r/ flip--
Counts
2 → 96
Calls
2 calls:
5.0ms
(/ (- x y) y)
8.0ms
(/ (* x 2.0) (/ (- x y) y))

series82.0ms

Counts
2 → 6
Calls
2 calls:
23.0ms
(/ (- x y) y)
59.0ms
(/ (* x 2.0) (/ (- x y) y))

simplify49.0ms

Algorithm
egg-herbie
Counts
102 → 102
Iterations

Useful iterations: 2 (41.0ms)

IterNodesCost
0386605
11911548
25001547

prune140.0ms

Filtered
102 candidates to 71 candidates (69.6%)
Pruning

3 alts after pruning (2 fresh and 1 done)

PrunedKeptTotal
New1011102
Fresh415
Picked101
Done112
Total1073110

Merged error: 0b

Counts
110 → 3

localize10.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ x (- x y))
6.1b
(* (/ x (- x y)) (* y 2.0))

rewrite21.0ms

Algorithm
rewrite-expression-head
Rules
35×add-sqr-sqrt *-un-lft-identity
30×times-frac
21×add-cube-cbrt associate-*l*
16×add-exp-log add-cbrt-cube
pow1 distribute-lft-out-- difference-of-squares
prod-exp cbrt-unprod
associate-/r*
associate-/r/
cbrt-undiv div-exp pow-prod-down associate-/l*
flip3-- flip-- div-inv add-log-exp
frac-2neg associate-*r* associate-*l/ clear-num *-commutative
Counts
2 → 78
Calls
2 calls:
5.0ms
(/ x (- x y))
10.0ms
(* (/ x (- x y)) (* y 2.0))

series101.0ms

Counts
2 → 6
Calls
2 calls:
45.0ms
(/ x (- x y))
56.0ms
(* (/ x (- x y)) (* y 2.0))

simplify37.0ms

Algorithm
egg-herbie
Counts
84 → 84
Iterations

Useful iterations: 1 (9.0ms)

IterNodesCost
0312431
11237380
25001380

prune102.0ms

Filtered
84 candidates to 57 candidates (67.9%)
Pruning

3 alts after pruning (1 fresh and 2 done)

PrunedKeptTotal
New84084
Fresh011
Picked011
Done011
Total84387

Merged error: 0b

Counts
87 → 3

regimes43.0ms

Accuracy

98.8% (0.1b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 7.1b

bsearch72.0ms

Steps
ItersRangePoint
6
2.1198602512158674e-29
1.0277673646233507e-28
1.0095315950917973e-28
8
-4.5161340582992876e+39
-1.8040656674524704e+35
-5.2980857520812366e+35

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0238
1238

end0.0ms

sample332.0ms

Algorithm
intervals
Results
209.0ms8000×body80valid