Details

Time bar (total: 8.7s)

sample13.0ms

Algorithm
intervals
Results
5.0ms256×body80valid

simplify137.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
079
1179
2289
3419
4549
5659
6779
7899
8969
91049
101059
111079
121089
done1089

prune1.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.0b

localize5.0ms

Local error

Found 1 expressions with local error:

0.0b
(/ (- x y) (- 2.0 (+ x y)))

rewrite41.0ms

Algorithm
rewrite-expression-head
Rules
58×*-un-lft-identity
40×add-sqr-sqrt
30×times-frac
19×distribute-lft-out--
14×add-cube-cbrt
13×difference-of-squares
associate-/r* distribute-lft-out
associate-/l*
add-exp-log add-cbrt-cube
flip3-- associate-/r/ flip-- associate-/l/
pow1 cbrt-undiv frac-2neg div-sub div-exp clear-num div-inv add-log-exp
Counts
1 → 58
Calls
1 calls:
39.0ms
(/ (- x y) (- 2.0 (+ x y)))

series52.0ms

Counts
1 → 3
Calls
1 calls:
52.0ms
(/ (- x y) (- 2.0 (+ x y)))

simplify1.2s

Counts
61 → 61
Iterations

Useful iterations: 3 (343.0ms)

IterNodesCost
0112990
1276951
2712905
31924903
done5000903

prune89.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0b

localize7.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ y (- 2.0 (+ x y)))
0.0b
(- (/ x (- 2.0 (+ x y))) (/ y (- 2.0 (+ x y))))
0.0b
(/ x (- 2.0 (+ x y)))

rewrite251.0ms

Algorithm
rewrite-expression-head
Rules
127×*-un-lft-identity
64×times-frac
59×add-sqr-sqrt
41×distribute-lft-out--
27×add-cube-cbrt
14×distribute-lft-out difference-of-squares
12×associate-/r*
associate-/r/
add-exp-log add-cbrt-cube
associate-/l*
flip3-- flip-- add-log-exp
div-inv
pow1 distribute-rgt-out--
cbrt-undiv frac-2neg div-exp clear-num
sub-neg diff-log frac-sub sub-div
Counts
3 → 116
Calls
3 calls:
28.0ms
(/ y (- 2.0 (+ x y)))
188.0ms
(- (/ x (- 2.0 (+ x y))) (/ y (- 2.0 (+ x y))))
29.0ms
(/ x (- 2.0 (+ x y)))

series157.0ms

Counts
3 → 9
Calls
3 calls:
47.0ms
(/ y (- 2.0 (+ x y)))
66.0ms
(- (/ x (- 2.0 (+ x y))) (/ y (- 2.0 (+ x y))))
45.0ms
(/ x (- 2.0 (+ x y)))

simplify1.1s

Counts
125 → 125
Iterations

Useful iterations: done (1.0s)

IterNodesCost
01761863
13761776
28551702
319061692
done50001682

prune211.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize8.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ y (- 2.0 (+ x y)))
0.0b
(- (/ 1 (/ (- 2.0 (+ x y)) x)) (/ y (- 2.0 (+ x y))))
0.0b
(/ (- 2.0 (+ x y)) x)
0.9b
(/ 1 (/ (- 2.0 (+ x y)) x))

rewrite373.0ms

Algorithm
rewrite-expression-head
Rules
211×*-un-lft-identity
197×times-frac
162×add-sqr-sqrt
89×add-cube-cbrt
47×distribute-lft-out--
31×associate-/r*
30×difference-of-squares
21×distribute-lft-out
19×add-exp-log
13×add-cbrt-cube
12×associate-/l*
div-exp
div-inv
add-log-exp
pow1 cbrt-undiv
flip3-- frac-2neg clear-num associate-/r/ flip--
rec-exp 1-exp associate-/l/
sub-neg pow-flip diff-log div-sub frac-sub inv-pow
Counts
4 → 223
Calls
4 calls:
29.0ms
(/ y (- 2.0 (+ x y)))
255.0ms
(- (/ 1 (/ (- 2.0 (+ x y)) x)) (/ y (- 2.0 (+ x y))))
43.0ms
(/ (- 2.0 (+ x y)) x)
35.0ms
(/ 1 (/ (- 2.0 (+ x y)) x))

series181.0ms

Counts
4 → 12
Calls
4 calls:
46.0ms
(/ y (- 2.0 (+ x y)))
62.0ms
(- (/ 1 (/ (- 2.0 (+ x y)) x)) (/ y (- 2.0 (+ x y))))
28.0ms
(/ (- 2.0 (+ x y)) x)
44.0ms
(/ 1 (/ (- 2.0 (+ x y)) x))

simplify2.6s

Counts
235 → 235
Iterations

Useful iterations: 3 (1.7s)

IterNodesCost
03084051
16983584
216043245
344813193
done50003193

prune314.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

localize8.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- x y) (- 2.0 (+ x y)))
0.1b
(pow (/ (- x y) (- 2.0 (+ x y))) 3)
7.1b
(cbrt (pow (/ (- x y) (- 2.0 (+ x y))) 3))

rewrite131.0ms

Algorithm
rewrite-expression-head
Rules
258×*-un-lft-identity
180×add-sqr-sqrt
150×times-frac
83×distribute-lft-out--
78×cbrt-prod
72×unpow-prod-down cube-prod
66×add-cube-cbrt
57×difference-of-squares
26×distribute-lft-out
10×associate-/r/
add-exp-log add-cbrt-cube
flip3-- associate-/r* flip--
div-inv associate-/l*
pow1
pow-unpow add-log-exp
cbrt-undiv cube-div cube-mult unpow3 div-exp pow-exp associate-/l/ rem-cube-cbrt sqr-pow
pow-to-exp cbrt-div pow-pow frac-2neg pow1/3 div-sub clear-num rem-cbrt-cube
Counts
3 → 238
Calls
3 calls:
37.0ms
(/ (- x y) (- 2.0 (+ x y)))
38.0ms
(pow (/ (- x y) (- 2.0 (+ x y))) 3)
40.0ms
(cbrt (pow (/ (- x y) (- 2.0 (+ x y))) 3))

series184.0ms

Counts
3 → 9
Calls
3 calls:
51.0ms
(/ (- x y) (- 2.0 (+ x y)))
85.0ms
(pow (/ (- x y) (- 2.0 (+ x y))) 3)
48.0ms
(cbrt (pow (/ (- x y) (- 2.0 (+ x y))) 3))

simplify1.0s

Counts
247 → 247
Iterations

Useful iterations: 2 (356.0ms)

IterNodesCost
02465313
17164523
222054222
done50014222

prune302.0ms

Pruning

3 alts after pruning (0 fresh and 3 done)

Merged error: 0b

regimes40.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0815
1915
done915

end0.0ms

sample315.0ms

Algorithm
intervals
Results
156.0ms7999×body80valid
0.0msbody640valid