Details

Time bar (total: 16.0s)

sample31.0ms

Algorithm
intervals
Results
17.0ms256×body80valid

simplify215.0ms

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

localize11.0ms

Local error

Found 1 expressions with local error:

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

rewrite57.0ms

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:
54.0ms
(/ (- x y) (- 2.0 (+ x y)))

series75.0ms

Counts
1 → 3
Calls
1 calls:
75.0ms
(/ (- x y) (- 2.0 (+ x y)))

simplify1.2s

Counts
61 → 61
Iterations

Useful iterations: 3 (529.0ms)

IterNodesCost
0112990
1276951
2712905
31924903
done5000903

prune124.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0b

localize12.0ms

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)))

rewrite403.0ms

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:
47.0ms
(/ y (- 2.0 (+ x y)))
292.0ms
(- (/ x (- 2.0 (+ x y))) (/ y (- 2.0 (+ x y))))
52.0ms
(/ x (- 2.0 (+ x y)))

series228.0ms

Counts
3 → 9
Calls
3 calls:
67.0ms
(/ y (- 2.0 (+ x y)))
93.0ms
(- (/ x (- 2.0 (+ x y))) (/ y (- 2.0 (+ x y))))
67.0ms
(/ x (- 2.0 (+ x y)))

simplify1.5s

Counts
125 → 125
Iterations

Useful iterations: done (1.5s)

IterNodesCost
01761863
13761776
28551702
319061692
done50001682

prune273.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0b

localize13.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (cbrt (- (/ x (- 2.0 (+ x y))) (/ y (- 2.0 (+ x y))))) (cbrt (- (/ x (- 2.0 (+ x y))) (/ y (- 2.0 (+ x y))))))
0.2b
(cbrt (- (/ x (- 2.0 (+ x y))) (/ y (- 2.0 (+ x y)))))
0.2b
(cbrt (- (/ x (- 2.0 (+ x y))) (/ y (- 2.0 (+ x y)))))
0.2b
(cbrt (- (/ x (- 2.0 (+ x y))) (/ y (- 2.0 (+ x y)))))

rewrite2.1s

Algorithm
rewrite-expression-head
Rules
1319×*-un-lft-identity
513×distribute-lft-out--
484×times-frac
313×cbrt-prod
149×add-sqr-sqrt
138×distribute-lft-out
100×swap-sqr
52×cbrt-div
42×difference-of-squares
29×add-cube-cbrt
28×associate-/r/
27×flip3-- flip--
26×associate-*r* associate-*l*
21×distribute-rgt-out--
16×frac-times
14×div-inv
13×frac-sub sub-div
11×pow1
pow1/3
add-exp-log
associate-*r/ associate-*l/ add-cbrt-cube add-log-exp unswap-sqr
pow-prod-down pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 303
Calls
4 calls:
1.4s
(* (cbrt (- (/ x (- 2.0 (+ x y))) (/ y (- 2.0 (+ x y))))) (cbrt (- (/ x (- 2.0 (+ x y))) (/ y (- 2.0 (+ x y))))))
194.0ms
(cbrt (- (/ x (- 2.0 (+ x y))) (/ y (- 2.0 (+ x y)))))
219.0ms
(cbrt (- (/ x (- 2.0 (+ x y))) (/ y (- 2.0 (+ x y)))))
172.0ms
(cbrt (- (/ x (- 2.0 (+ x y))) (/ y (- 2.0 (+ x y)))))

series1.1s

Counts
4 → 12
Calls
4 calls:
218.0ms
(* (cbrt (- (/ x (- 2.0 (+ x y))) (/ y (- 2.0 (+ x y))))) (cbrt (- (/ x (- 2.0 (+ x y))) (/ y (- 2.0 (+ x y))))))
274.0ms
(cbrt (- (/ x (- 2.0 (+ x y))) (/ y (- 2.0 (+ x y)))))
291.0ms
(cbrt (- (/ x (- 2.0 (+ x y))) (/ y (- 2.0 (+ x y)))))
309.0ms
(cbrt (- (/ x (- 2.0 (+ x y))) (/ y (- 2.0 (+ x y)))))

simplify2.4s

Counts
315 → 315
Iterations

Useful iterations: done (2.4s)

IterNodesCost
027711746
151710659
2128210312
328168629
done50008498

prune906.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize14.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ x (- 2.0 (+ x y)))
0.1b
(* (/ y (- 2.0 (+ x y))) (/ y (- 2.0 (+ x y))))
0.1b
(* (/ x (- 2.0 (+ x y))) (/ x (- 2.0 (+ x y))))
4.0b
(/ (- (* (/ x (- 2.0 (+ x y))) (/ x (- 2.0 (+ x y)))) (* (/ y (- 2.0 (+ x y))) (/ y (- 2.0 (+ x y))))) (+ (/ x (- 2.0 (+ x y))) (/ y (- 2.0 (+ x y)))))

rewrite1.5s

Algorithm
rewrite-expression-head
Rules
738×*-un-lft-identity
438×times-frac
254×add-sqr-sqrt
164×distribute-lft-out--
154×add-cube-cbrt
147×distribute-lft-out
84×swap-sqr
58×difference-of-squares
48×associate-*r* associate-*l*
41×associate-/r/
32×add-exp-log add-cbrt-cube
25×associate-/r*
20×flip3-- flip-- div-inv
18×pow1
16×associate-/l/
15×distribute-rgt-out
12×associate-*r/ associate-*l/
10×cbrt-undiv frac-times div-exp
frac-sub
prod-exp cbrt-unprod unswap-sqr
associate-/l*
sub-div
add-log-exp
pow2 frac-2neg pow-plus pow-prod-down clear-num pow-sqr *-commutative pow-prod-up
flip3-+ div-sub frac-add flip-+
Counts
4 → 408
Calls
4 calls:
61.0ms
(/ x (- 2.0 (+ x y)))
230.0ms
(* (/ y (- 2.0 (+ x y))) (/ y (- 2.0 (+ x y))))
214.0ms
(* (/ x (- 2.0 (+ x y))) (/ x (- 2.0 (+ x y))))
905.0ms
(/ (- (* (/ x (- 2.0 (+ x y))) (/ x (- 2.0 (+ x y)))) (* (/ y (- 2.0 (+ x y))) (/ y (- 2.0 (+ x y))))) (+ (/ x (- 2.0 (+ x y))) (/ y (- 2.0 (+ x y)))))

series518.0ms

Counts
4 → 12
Calls
4 calls:
88.0ms
(/ x (- 2.0 (+ x y)))
84.0ms
(* (/ y (- 2.0 (+ x y))) (/ y (- 2.0 (+ x y))))
117.0ms
(* (/ x (- 2.0 (+ x y))) (/ x (- 2.0 (+ x y))))
229.0ms
(/ (- (* (/ x (- 2.0 (+ x y))) (/ x (- 2.0 (+ x y)))) (* (/ y (- 2.0 (+ x y))) (/ y (- 2.0 (+ x y))))) (+ (/ x (- 2.0 (+ x y))) (/ y (- 2.0 (+ x y)))))

simplify1.4s

Counts
420 → 420
Iterations

Useful iterations: done (1.4s)

IterNodesCost
044814762
1130613466
done500012886

prune1.2s

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

regimes34.0ms

Accuracy

0% (0.4b remaining)

Error of 0.5b against oracle of 0.0b and baseline of 0.5b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01150
11350
done1350

end0.0ms

sample693.0ms

Algorithm
intervals
Results
422.0ms7998×body80valid
0.0msbody1280valid
0.0msbody640valid