Details

Time bar (total: 1.5s)

sample23.0ms

Algorithm
intervals
Results
12.0ms256×body80valid

simplify24.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
0154
1364
2734
31274
41674
51854
61874
71874

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: 15.9b

Counts
2 → 1

localize8.0ms

Local error

Found 1 expressions with local error:

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

rewrite13.0ms

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 expm1-log1p-u flip3-- frac-2neg clear-num flip-- log1p-expm1-u div-inv associate-/l* add-log-exp
Counts
1 → 31
Calls
1 calls:
12.0ms
(/ (* (* x 2.0) y) (- x y))

series60.0ms

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

simplify32.0ms

Algorithm
egg-herbie
Counts
34 → 34
Iterations

Useful iterations: 1 (7.0ms)

IterNodesCost
0214194
11150161
25001161

prune56.0ms

Filtered
34 candidates to 23 candidates (67.6%)
Pruning

7 alts after pruning (6 fresh and 1 done)

PrunedKeptTotal
New28634
Fresh000
Picked011
Done000
Total28735

Merged error: 0.0b

Counts
35 → 7

localize5.0ms

Local error

Found 1 expressions with local error:

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

rewrite14.0ms

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/
expm1-log1p-u flip3-- associate-*r/ associate-*l* *-commutative flip-- log1p-expm1-u div-inv add-log-exp
Counts
1 → 43
Calls
1 calls:
10.0ms
(* (* x 2.0) (/ y (- x y)))

series59.0ms

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

simplify42.0ms

Algorithm
egg-herbie
Counts
46 → 46
Iterations

Useful iterations: 1 (9.0ms)

IterNodesCost
0283258
11537217
25001217

prune57.0ms

Filtered
46 candidates to 25 candidates (54.3%)
Pruning

8 alts after pruning (6 fresh and 2 done)

PrunedKeptTotal
New44246
Fresh145
Picked011
Done011
Total45853

Merged error: 0b

Counts
53 → 8

localize5.0ms

Local error

Found 2 expressions with local error:

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

rewrite21.0ms

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 expm1-log1p-u frac-2neg prod-exp clear-num cbrt-unprod log1p-expm1-u associate-/l/ add-log-exp
flip3-- div-sub associate-/r/ flip--
Counts
2 → 100
Calls
2 calls:
6.0ms
(/ (- x y) y)
8.0ms
(/ (* x 2.0) (/ (- x y) y))

series86.0ms

Counts
2 → 6
Calls
2 calls:
27.0ms
(/ (- x y) y)
59.0ms
(/ (* x 2.0) (/ (- x y) y))

simplify62.0ms

Algorithm
egg-herbie
Counts
106 → 106
Iterations

Useful iterations: 2 (50.0ms)

IterNodesCost
0392620
11920563
25001562

prune167.0ms

Filtered
106 candidates to 75 candidates (70.8%)
Pruning

3 alts after pruning (2 fresh and 1 done)

PrunedKeptTotal
New1051106
Fresh415
Picked101
Done112
Total1113114

Merged error: 0b

Counts
114 → 3

localize6.0ms

Local error

Found 2 expressions with local error:

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

rewrite18.0ms

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*
expm1-log1p-u flip3-- flip-- log1p-expm1-u div-inv add-log-exp
frac-2neg associate-*r* associate-*l/ clear-num *-commutative
Counts
2 → 82
Calls
2 calls:
5.0ms
(/ x (- x y))
10.0ms
(* (/ x (- x y)) (* y 2.0))

series112.0ms

Counts
2 → 6
Calls
2 calls:
46.0ms
(/ x (- x y))
66.0ms
(* (/ x (- x y)) (* y 2.0))

simplify42.0ms

Algorithm
egg-herbie
Counts
88 → 88
Iterations

Useful iterations: 1 (10.0ms)

IterNodesCost
0319446
11255395
25001395

prune111.0ms

Filtered
88 candidates to 61 candidates (69.3%)
Pruning

3 alts after pruning (1 fresh and 2 done)

PrunedKeptTotal
New88088
Fresh011
Picked011
Done011
Total88391

Merged error: 0b

Counts
91 → 3

regimes45.0ms

Accuracy

98.8% (0.1b remaining)

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

bsearch49.0ms

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

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0238
1238

end0.0ms

sample371.0ms

Algorithm
intervals
Results
238.0ms8000×body80valid