Details

Time bar (total: 13.6s)

sample21.0ms

Algorithm
intervals
Results
9.0ms256×body80valid

simplify32.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
079
1149
2289
3429
4449
done449

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 15.1b

localize10.0ms

Local error

Found 1 expressions with local error:

14.5b
(/ (+ x y) (* (* x 2.0) y))

rewrite59.0ms

Algorithm
rewrite-expression-head
Rules
10×add-exp-log add-cbrt-cube
*-un-lft-identity
times-frac associate-/l*
cbrt-undiv add-sqr-sqrt add-cube-cbrt div-exp prod-exp cbrt-unprod
associate-/l/ distribute-lft-out
pow1 frac-2neg flip3-+ clear-num associate-/r* flip-+ div-inv add-log-exp
Counts
1 → 27
Calls
1 calls:
58.0ms
(/ (+ x y) (* (* x 2.0) y))

series69.0ms

Counts
1 → 3
Calls
1 calls:
69.0ms
(/ (+ x y) (* (* x 2.0) y))

simplify3.1s

Counts
30 → 30
Iterations

Useful iterations: 2 (121.0ms)

IterNodesCost
073406
1213392
2859314
34528314
done5000314

prune71.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0b

localize15.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (+ x y) y)
4.3b
(* (/ 1 (* x 2.0)) (/ (+ x y) y))

rewrite103.0ms

Algorithm
rewrite-expression-head
Rules
49×add-exp-log
35×*-un-lft-identity
28×times-frac
26×add-sqr-sqrt
25×add-cbrt-cube
21×add-cube-cbrt
20×prod-exp
16×div-exp associate-*r*
cbrt-undiv cbrt-unprod
associate-*l* distribute-lft-out
pow1 rec-exp 1-exp associate-/l*
associate-/r* div-inv
associate-/l/ add-log-exp unswap-sqr
frac-times frac-2neg flip3-+ associate-*r/ pow-prod-down associate-*l/ clear-num *-commutative flip-+
Counts
2 → 90
Calls
2 calls:
23.0ms
(/ (+ x y) y)
75.0ms
(* (/ 1 (* x 2.0)) (/ (+ x y) y))

series107.0ms

Counts
2 → 6
Calls
2 calls:
30.0ms
(/ (+ x y) y)
77.0ms
(* (/ 1 (* x 2.0)) (/ (+ x y) y))

simplify2.1s

Counts
96 → 96
Iterations

Useful iterations: 2 (425.0ms)

IterNodesCost
01501268
13971110
21550926
done5001926

prune212.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize20.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (+ x y))
0.6b
(cbrt (+ x y))
0.6b
(cbrt (+ x y))
7.9b
(* (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (* x 2.0)) (/ (cbrt (+ x y)) y))

rewrite149.0ms

Algorithm
rewrite-expression-head
Rules
45×add-exp-log
34×*-un-lft-identity
32×add-cbrt-cube
30×add-sqr-sqrt
25×cbrt-prod associate-*r*
24×times-frac
22×add-cube-cbrt
18×prod-exp cbrt-unprod
13×cbrt-undiv div-exp
pow1 cbrt-div distribute-lft-out
associate-*l*
add-log-exp
flip3-+ pow1/3 flip-+ unswap-sqr
div-inv
frac-times associate-*r/ pow-prod-down associate-*l/ *-commutative
Counts
4 → 107
Calls
4 calls:
7.0ms
(cbrt (+ x y))
7.0ms
(cbrt (+ x y))
5.0ms
(cbrt (+ x y))
123.0ms
(* (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (* x 2.0)) (/ (cbrt (+ x y)) y))

series655.0ms

Counts
4 → 12
Calls
4 calls:
174.0ms
(cbrt (+ x y))
184.0ms
(cbrt (+ x y))
199.0ms
(cbrt (+ x y))
98.0ms
(* (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (* x 2.0)) (/ (cbrt (+ x y)) y))

simplify1.6s

Counts
119 → 119
Iterations

Useful iterations: done (1.6s)

IterNodesCost
01862302
15432169
227091640
done50001472

prune337.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

localize10.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (+ x y) (* x 2.0))
9.0b
(/ (/ (+ x y) (* x 2.0)) y)

rewrite75.0ms

Algorithm
rewrite-expression-head
Rules
44×times-frac
33×*-un-lft-identity
21×add-sqr-sqrt add-cube-cbrt
16×add-exp-log add-cbrt-cube
12×associate-/l*
cbrt-undiv div-exp
div-inv distribute-lft-out
associate-/r*
associate-/l/
pow1 frac-2neg prod-exp clear-num cbrt-unprod add-log-exp
flip3-+ flip-+
Counts
2 → 77
Calls
2 calls:
31.0ms
(/ (+ x y) (* x 2.0))
40.0ms
(/ (/ (+ x y) (* x 2.0)) y)

series127.0ms

Counts
2 → 6
Calls
2 calls:
56.0ms
(/ (+ x y) (* x 2.0))
71.0ms
(/ (/ (+ x y) (* x 2.0)) y)

simplify3.3s

Counts
83 → 83
Iterations

Useful iterations: 2 (243.0ms)

IterNodesCost
01341127
13311092
21050970
34525970
done5000970

prune218.0ms

Pruning

3 alts after pruning (0 fresh and 3 done)

Merged error: 0b

regimes84.0ms

Accuracy

95.2% (0.4b remaining)

Error of 0.4b against oracle of 0.0b and baseline of 7.6b

bsearch82.0ms

Steps
ItersRangePoint
9
2.4768782891511668e-36
5.237808144920513e-30
5.173054498508759e-30
9
-1.4086436140166376e-86
-6.4582416939645644e-93
-1.3920960793428482e-86

simplify6.0ms

Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
01841
12629
done2629

end0.0ms

sample1.1s

Algorithm
intervals
Results
759.0ms8002×body80valid