Details

Time bar (total: 6.8s)

sample16.0ms

Algorithm
intervals
Results
8.0ms256×body80valid

simplify103.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
079
1159
2359
3709
41209
51529
61679
71729
done1729

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 12.7b

localize6.0ms

Local error

Found 1 expressions with local error:

12.4b
(/ (* (* x 2.0) y) (- x y))

rewrite12.0ms

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:
11.0ms
(/ (* (* x 2.0) y) (- x y))

series64.0ms

Counts
1 → 3
Calls
1 calls:
64.0ms
(/ (* (* x 2.0) y) (- x y))

simplify901.0ms

Counts
34 → 34
Iterations

Useful iterations: 2 (77.0ms)

IterNodesCost
079420
1215400
2987334
done5000334

prune63.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize6.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ y (- x y))
5.9b
(* (* x 2.0) (/ y (- x y)))

rewrite28.0ms

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:
5.0ms
(/ y (- x y))
17.0ms
(* (* x 2.0) (/ y (- x y)))

series110.0ms

Counts
2 → 6
Calls
2 calls:
48.0ms
(/ y (- x y))
62.0ms
(* (* x 2.0) (/ y (- x y)))

simplify1.0s

Counts
88 → 88
Iterations

Useful iterations: 2 (227.0ms)

IterNodesCost
0120947
1316888
21323788
done5000788

prune151.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.0b

localize10.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (- x y))
0.5b
(cbrt (- x y))
4.9b
(/ (/ (* (* x 2.0) y) (* (cbrt (- x y)) (cbrt (- x y)))) (cbrt (- x y)))
7.7b
(/ (* (* x 2.0) y) (* (cbrt (- x y)) (cbrt (- x y))))

rewrite64.0ms

Algorithm
rewrite-expression-head
Rules
126×cbrt-div
114×times-frac
82×associate-/r/
80×cbrt-prod
75×add-sqr-sqrt *-un-lft-identity
63×flip3-- flip--
54×add-exp-log
43×add-cube-cbrt
40×frac-times
35×add-cbrt-cube
20×associate-*r/ associate-*l/
19×cbrt-undiv div-exp
18×prod-exp cbrt-unprod
16×distribute-lft-out-- difference-of-squares
14×associate-/l*
11×div-inv
associate-/r*
pow1 expm1-log1p-u log1p-expm1-u add-log-exp
frac-2neg pow1/3 clear-num
associate-/l/
Counts
4 → 223
Calls
4 calls:
2.0ms
(cbrt (- x y))
2.0ms
(cbrt (- x y))
29.0ms
(/ (/ (* (* x 2.0) y) (* (cbrt (- x y)) (cbrt (- x y)))) (cbrt (- x y)))
15.0ms
(/ (* (* x 2.0) y) (* (cbrt (- x y)) (cbrt (- x y))))

series527.0ms

Counts
4 → 12
Calls
4 calls:
152.0ms
(cbrt (- x y))
147.0ms
(cbrt (- x y))
64.0ms
(/ (/ (* (* x 2.0) y) (* (cbrt (- x y)) (cbrt (- x y)))) (cbrt (- x y)))
163.0ms
(/ (* (* x 2.0) y) (* (cbrt (- x y)) (cbrt (- x y))))

simplify1.3s

Counts
235 → 235
Iterations

Useful iterations: 2 (589.0ms)

IterNodesCost
03586836
18796204
238935770
done50015770

prune550.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0b

localize10.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (/ (* (* x 2.0) y) (- x y)))
12.4b
(/ (* (* x 2.0) y) (- x y))
12.4b
(/ (* (* x 2.0) y) (- x y))
12.4b
(/ (* (* x 2.0) y) (- x y))

rewrite46.0ms

Algorithm
rewrite-expression-head
Rules
31×add-exp-log add-cbrt-cube
26×add-sqr-sqrt *-un-lft-identity
20×times-frac
15×associate-/r*
12×add-cube-cbrt
11×cbrt-prod
cbrt-undiv div-exp prod-exp cbrt-unprod
associate-/r/
distribute-lft-out-- difference-of-squares
pow1 expm1-log1p-u flip3-- flip-- log1p-expm1-u div-inv add-log-exp
frac-2neg clear-num associate-/l*
cbrt-div pow1/3
Counts
4 → 115
Calls
4 calls:
7.0ms
(cbrt (/ (* (* x 2.0) y) (- x y)))
10.0ms
(/ (* (* x 2.0) y) (- x y))
11.0ms
(/ (* (* x 2.0) y) (- x y))
14.0ms
(/ (* (* x 2.0) y) (- x y))

series380.0ms

Counts
4 → 12
Calls
4 calls:
190.0ms
(cbrt (/ (* (* x 2.0) y) (- x y)))
60.0ms
(/ (* (* x 2.0) y) (- x y))
64.0ms
(/ (* (* x 2.0) y) (- x y))
65.0ms
(/ (* (* x 2.0) y) (- x y))

simplify659.0ms

Counts
127 → 127
Iterations

Useful iterations: 2 (142.0ms)

IterNodesCost
01571704
13861630
214121411
done50011411

prune308.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0b

regimes117.0ms

Accuracy

79.7% (1.4b remaining)

Error of 1.5b against oracle of 0.0b and baseline of 7.1b

bsearch1.0ms

simplify11.0ms

Iterations

Useful iterations: 4 (5.0ms)

IterNodesCost
02193
12785
23077
33669
43968
54268
64568
74668
done4668

end0.0ms

sample316.0ms

Algorithm
intervals
Results
185.0ms8000×body80valid