Details

Time bar (total: 5.9s)

sample17.0ms

Algorithm
intervals
Results
6.0ms306×body80valid

simplify6.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
055
195
2155
3165
done165

prune2.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 0.2b

Counts
2 → 1

localize4.0ms

Local error

Found 1 expressions with local error:

0.2b
(* (* x 27.0) y)

rewrite6.0ms

Algorithm
rewrite-expression-head
Rules
6×pow1 add-exp-log add-cbrt-cube
3×associate-*r* pow-prod-down prod-exp cbrt-unprod
2×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
1×associate-*l* *-commutative add-log-exp
Counts
1 → 18
Calls
1 calls:
5.0ms
(* (* x 27.0) y)

series4.0ms

Counts
1 → 3
Calls
1 calls:
4.0ms
(* (* x 27.0) y)

simplify1.2s

Counts
21 → 21
Iterations

Useful iterations: 2 (37.0ms)

IterNodesCost
040157
1102152
2430122
31838122
44785122
done5000122

prune40.0ms

Filtered
11 candidates to 21 candidates (-90.9%)
Pruning

6 alts after pruning (5 fresh and 1 done)

PrunedKeptTotal
New16521
Fresh000
Picked011
Done000
Total16622

Merged error: 0.0b

Counts
22 → 6

localize4.0ms

Local error

Found 1 expressions with local error:

0.5b
(* x (* 27.0 y))

rewrite6.0ms

Algorithm
rewrite-expression-head
Rules
6×pow1 add-exp-log add-cbrt-cube
3×associate-*l* pow-prod-down prod-exp cbrt-unprod
2×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
1×associate-*r* *-commutative add-log-exp
Counts
1 → 18
Calls
1 calls:
5.0ms
(* x (* 27.0 y))

series4.0ms

Counts
1 → 3
Calls
1 calls:
4.0ms
(* x (* 27.0 y))

simplify1.7s

Counts
21 → 21
Iterations

Useful iterations: 2 (25.0ms)

IterNodesCost
037154
190151
2319121
31050121
41950121
53820121
done5001121

prune36.0ms

Filtered
10 candidates to 21 candidates (-110.0%)
Pruning

7 alts after pruning (5 fresh and 2 done)

PrunedKeptTotal
New20121
Fresh044
Picked011
Done011
Total20727

Merged error: 0.0b

Counts
27 → 7

localize8.0ms

Local error

Found 4 expressions with local error:

0.4b
(* (cbrt y) (cbrt y))
0.5b
(cbrt y)
0.5b
(cbrt y)
0.5b
(cbrt y)

rewrite12.0ms

Algorithm
rewrite-expression-head
Rules
25×cbrt-prod
23×add-sqr-sqrt
15×add-cube-cbrt *-un-lft-identity
11×pow1
9×pow1/3
6×add-exp-log swap-sqr associate-*r* associate-*l*
4×add-cbrt-cube add-log-exp unswap-sqr
2×pow-prod-down pow-sqr pow-prod-up
1×pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 73
Calls
4 calls:
6.0ms
(* (cbrt y) (cbrt y))
1.0ms
(cbrt y)
1.0ms
(cbrt y)
2.0ms
(cbrt y)

series103.0ms

Counts
4 → 12
Calls
4 calls:
27.0ms
(* (cbrt y) (cbrt y))
28.0ms
(cbrt y)
24.0ms
(cbrt y)
24.0ms
(cbrt y)

simplify902.0ms

Counts
85 → 85
Iterations

Useful iterations: 4 (328.0ms)

IterNodesCost
076590
1151525
2383462
31202382
43188374
done5000374

prune102.0ms

Filtered
56 candidates to 85 candidates (-51.8%)
Pruning

8 alts after pruning (5 fresh and 3 done)

PrunedKeptTotal
New82385
Fresh224
Picked011
Done022
Total84892

Merged error: 0.0b

Counts
92 → 8

localize12.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt y)
0.6b
(cbrt (cbrt y))
0.6b
(cbrt (cbrt y))
0.6b
(cbrt (cbrt y))

rewrite8.0ms

Algorithm
rewrite-expression-head
Rules
30×cbrt-prod
11×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
4×pow1 add-exp-log pow1/3 add-cbrt-cube add-log-exp
Counts
4 → 53
Calls
4 calls:
1.0ms
(cbrt y)
2.0ms
(cbrt (cbrt y))
2.0ms
(cbrt (cbrt y))
2.0ms
(cbrt (cbrt y))

series127.0ms

Counts
4 → 12
Calls
4 calls:
24.0ms
(cbrt y)
33.0ms
(cbrt (cbrt y))
37.0ms
(cbrt (cbrt y))
33.0ms
(cbrt (cbrt y))

simplify884.0ms

Counts
65 → 65
Iterations

Useful iterations: 5 (317.0ms)

IterNodesCost
053449
1100423
2184374
3401343
41038331
53620323
done5001323

prune72.0ms

Filtered
49 candidates to 65 candidates (-32.7%)
Pruning

8 alts after pruning (4 fresh and 4 done)

PrunedKeptTotal
New65065
Fresh044
Picked011
Done033
Total65873

Merged error: 0.0b

Counts
73 → 8

regimes213.0ms

Accuracy

0% (0.3b remaining)

Error of 0.3b against oracle of 0.0b and baseline of 0.3b

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
055
175
done75

end0.0ms

sample442.0ms

Algorithm
intervals
Results
183.0ms9189×body80valid

Profiling

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