Details

Time bar (total: 9.6s)

sample30.0ms

Algorithm
intervals
Results
14.0ms256×body80valid

simplify204.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
079
1159
2369
3749
41239
51559
61679
71709
done1709

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 16.7b

localize7.0ms

Local error

Found 1 expressions with local error:

16.3b
(/ (* (* x 2.0) y) (- x y))

rewrite41.0ms

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:
40.0ms
(/ (* (* x 2.0) y) (- x y))

series84.0ms

Counts
1 → 3
Calls
1 calls:
84.0ms
(/ (* (* x 2.0) y) (- x y))

simplify1.7s

Counts
34 → 34
Iterations

Useful iterations: 2 (184.0ms)

IterNodesCost
079420
1211400
2995334
done5000334

prune96.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.0b

localize15.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ y (- x y))
6.0b
(* (* x 2.0) (/ y (- x y)))

rewrite86.0ms

Algorithm
rewrite-expression-head
Rules
35×add-sqr-sqrt *-un-lft-identity
30×times-frac
21×add-cube-cbrt associate-*r*
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:
22.0ms
(/ y (- x y))
57.0ms
(* (* x 2.0) (/ y (- x y)))

series175.0ms

Counts
2 → 6
Calls
2 calls:
61.0ms
(/ y (- x y))
114.0ms
(* (* x 2.0) (/ y (- x y)))

simplify1.9s

Counts
88 → 88
Iterations

Useful iterations: 2 (257.0ms)

IterNodesCost
0120947
1304888
21244788
done5000788

prune216.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.0b

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- x y) y)
6.4b
(/ (* x 2.0) (/ (- x y) y))

rewrite58.0ms

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:
21.0ms
(/ (- x y) y)
31.0ms
(/ (* x 2.0) (/ (- x y) y))

series121.0ms

Counts
2 → 6
Calls
2 calls:
33.0ms
(/ (- x y) y)
88.0ms
(/ (* x 2.0) (/ (- x y) y))

simplify1.8s

Counts
106 → 106
Iterations

Useful iterations: done (1.7s)

IterNodesCost
01551282
13771208
213241094
done50001092

prune303.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0b

localize10.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (* x 2.0) (- x y))
5.5b
(* (/ (* x 2.0) (- x y)) y)

rewrite66.0ms

Algorithm
rewrite-expression-head
Rules
16×add-exp-log add-cbrt-cube
15×add-sqr-sqrt
13×*-un-lft-identity
11×associate-*l*
10×times-frac
add-cube-cbrt
prod-exp associate-/r* cbrt-unprod
pow1 cbrt-undiv div-exp associate-/r/
associate-*r* distribute-lft-out-- difference-of-squares
expm1-log1p-u flip3-- flip-- log1p-expm1-u div-inv add-log-exp
frac-2neg pow-prod-down associate-*l/ clear-num *-commutative associate-/l* unswap-sqr
Counts
2 → 62
Calls
2 calls:
17.0ms
(/ (* x 2.0) (- x y))
45.0ms
(* (/ (* x 2.0) (- x y)) y)

series154.0ms

Counts
2 → 6
Calls
2 calls:
73.0ms
(/ (* x 2.0) (- x y))
80.0ms
(* (/ (* x 2.0) (- x y)) y)

simplify1.6s

Counts
68 → 68
Iterations

Useful iterations: 2 (190.0ms)

IterNodesCost
0105717
1264685
2980579
done5000579

prune140.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

regimes40.0ms

Accuracy

94.9% (0.4b remaining)

Error of 0.4b against oracle of 0.0b and baseline of 7.2b

bsearch81.0ms

Steps
ItersRangePoint
9
1.5895540584967369e-59
9.417139633880594e-52
6.6178108635873146e-52
6
-3.479312200905418e+83
-6.21347482068611e+82
-9.984365809073704e+82

simplify5.0ms

Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
01735
12427
done2427

end0.0ms

sample727.0ms

Algorithm
intervals
Results
435.0ms8000×body80valid