Details

Time bar (total: 13.3s)

sample16.0ms

Algorithm
intervals
Results
7.0ms256×body80valid

simplify170.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

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

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.0b

localize8.0ms

Local error

Found 1 expressions with local error:

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

rewrite67.0ms

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:
63.0ms
(/ (- x y) (- 2.0 (+ x y)))

series72.0ms

Counts
1 → 3
Calls
1 calls:
72.0ms
(/ (- x y) (- 2.0 (+ x y)))

simplify1.3s

Counts
61 → 61
Iterations

Useful iterations: 3 (476.0ms)

IterNodesCost
0112990
1276951
2712905
31924903
done5000903

prune153.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0b

localize11.0ms

Local error

Found 3 expressions with local error:

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

rewrite365.0ms

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:
31.0ms
(/ x (- 2.0 (+ x y)))
280.0ms
(- (/ x (- 2.0 (+ x y))) (/ y (- 2.0 (+ x y))))
50.0ms
(/ y (- 2.0 (+ x y)))

series200.0ms

Counts
3 → 9
Calls
3 calls:
55.0ms
(/ x (- 2.0 (+ x y)))
97.0ms
(- (/ x (- 2.0 (+ x y))) (/ y (- 2.0 (+ x y))))
49.0ms
(/ y (- 2.0 (+ x y)))

simplify1.6s

Counts
125 → 125
Iterations

Useful iterations: done (1.5s)

IterNodesCost
01761863
13761776
28531702
319051692
done50001682

prune317.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0b

localize11.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (- 2.0 (+ x y)) y)
0.0b
(- (/ x (- 2.0 (+ x y))) (/ 1 (/ (- 2.0 (+ x y)) y)))
0.0b
(/ x (- 2.0 (+ x y)))
0.2b
(/ 1 (/ (- 2.0 (+ x y)) y))

rewrite518.0ms

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:
62.0ms
(/ (- 2.0 (+ x y)) y)
346.0ms
(- (/ x (- 2.0 (+ x y))) (/ 1 (/ (- 2.0 (+ x y)) y)))
42.0ms
(/ x (- 2.0 (+ x y)))
47.0ms
(/ 1 (/ (- 2.0 (+ x y)) y))

series318.0ms

Counts
4 → 12
Calls
4 calls:
43.0ms
(/ (- 2.0 (+ x y)) y)
98.0ms
(- (/ x (- 2.0 (+ x y))) (/ 1 (/ (- 2.0 (+ x y)) y)))
81.0ms
(/ x (- 2.0 (+ x y)))
96.0ms
(/ 1 (/ (- 2.0 (+ x y)) y))

simplify3.0s

Counts
235 → 235
Iterations

Useful iterations: 3 (1.8s)

IterNodesCost
03104055
17043584
216023245
344623187
done50013187

prune558.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0b

localize11.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (cbrt (pow (/ x (- 2.0 (+ x y))) 3)) (/ y (- 2.0 (+ x y))))
0.0b
(/ y (- 2.0 (+ x y)))
0.1b
(pow (/ x (- 2.0 (+ x y))) 3)
19.3b
(cbrt (pow (/ x (- 2.0 (+ x y))) 3))

rewrite870.0ms

Algorithm
rewrite-expression-head
Rules
139×*-un-lft-identity
126×add-sqr-sqrt
101×times-frac
66×cbrt-prod
57×add-cube-cbrt
52×unpow-prod-down cube-prod
33×distribute-lft-out--
30×difference-of-squares
16×distribute-lft-out
10×associate-/r/
add-exp-log add-cbrt-cube
flip3-- associate-/r* flip-- add-log-exp
pow1 div-inv
sqr-pow
cube-div pow-unpow associate-/l*
cbrt-undiv cube-mult cbrt-div unpow3 div-exp pow-exp rem-cube-cbrt
pow-to-exp sub-neg pow-pow frac-2neg pow1/3 diff-log clear-num frac-sub rem-cbrt-cube
Counts
4 → 201
Calls
4 calls:
690.0ms
(- (cbrt (pow (/ x (- 2.0 (+ x y))) 3)) (/ y (- 2.0 (+ x y))))
61.0ms
(/ y (- 2.0 (+ x y)))
44.0ms
(pow (/ x (- 2.0 (+ x y))) 3)
52.0ms
(cbrt (pow (/ x (- 2.0 (+ x y))) 3))

series367.0ms

Counts
4 → 12
Calls
4 calls:
120.0ms
(- (cbrt (pow (/ x (- 2.0 (+ x y))) 3)) (/ y (- 2.0 (+ x y))))
58.0ms
(/ y (- 2.0 (+ x y)))
98.0ms
(pow (/ x (- 2.0 (+ x y))) 3)
91.0ms
(cbrt (pow (/ x (- 2.0 (+ x y))) 3))

simplify2.1s

Counts
213 → 213
Iterations

Useful iterations: done (2.1s)

IterNodesCost
02894218
17163520
220413265
done50003234

prune554.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0b

regimes43.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0815
1915
done915

end0.0ms

sample704.0ms

Algorithm
intervals
Results
396.0ms7995×body80valid
0.0msbody1280valid
0.0msbody640valid