Details

Time bar (total: 4.7s)

sample28.0ms

Algorithm
intervals
Results
11.0ms56×body1280valid
3.0ms37×body640valid
3.0ms130×body80valid
2.0ms29×body320valid
1.0msbody160valid

simplify3.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
067
197
2107
done107

prune3.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 30.4b

Counts
2 → 1

localize6.0ms

Local error

Found 3 expressions with local error:

0.3b
(cbrt (+ x 1.0))
0.5b
(cbrt x)
3.1b
(- (cbrt (+ x 1.0)) (cbrt x))

rewrite14.0ms

Algorithm
rewrite-expression-head
Rules
15×cbrt-prod
14×*-un-lft-identity
13×add-sqr-sqrt
add-cube-cbrt add-log-exp
difference-of-squares
pow1 add-exp-log add-cbrt-cube distribute-lft-out--
cbrt-div pow1/3 distribute-lft-out
sub-neg flip3-- flip3-+ diff-log flip-- flip-+
Counts
3 → 44
Calls
3 calls:
3.0ms
(cbrt (+ x 1.0))
1.0ms
(cbrt x)
9.0ms
(- (cbrt (+ x 1.0)) (cbrt x))

series48.0ms

Counts
3 → 9
Calls
3 calls:
7.0ms
(cbrt (+ x 1.0))
24.0ms
(cbrt x)
16.0ms
(- (cbrt (+ x 1.0)) (cbrt x))

simplify588.0ms

Counts
53 → 53
Iterations

Useful iterations: done (587.0ms)

IterNodesCost
0133716
1292651
2739604
31931527
done5000518

prune102.0ms

Filtered
42 candidates to 53 candidates (-26.2%)
Pruning

5 alts after pruning (5 fresh and 0 done)

PrunedKeptTotal
New48553
Fresh000
Picked101
Done000
Total49554

Merged error: 0.2b

Counts
54 → 5

localize16.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (cbrt x) (cbrt x))
0.5b
(cbrt x)
0.5b
(cbrt x)
0.5b
(cbrt x)

rewrite12.0ms

Algorithm
rewrite-expression-head
Rules
25×cbrt-prod
23×add-sqr-sqrt
15×add-cube-cbrt *-un-lft-identity
11×pow1
pow1/3
add-exp-log swap-sqr 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 → 73
Calls
4 calls:
6.0ms
(* (cbrt x) (cbrt x))
1.0ms
(cbrt x)
1.0ms
(cbrt x)
1.0ms
(cbrt x)

series105.0ms

Counts
4 → 12
Calls
4 calls:
32.0ms
(* (cbrt x) (cbrt x))
25.0ms
(cbrt x)
24.0ms
(cbrt x)
24.0ms
(cbrt x)

simplify723.0ms

Counts
85 → 85
Iterations

Useful iterations: 4 (308.0ms)

IterNodesCost
076590
1151526
2449466
31164417
42497378
done5001378

prune149.0ms

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

9 alts after pruning (8 fresh and 1 done)

PrunedKeptTotal
New80585
Fresh134
Picked011
Done000
Total81990

Merged error: 0.1b

Counts
90 → 9

localize18.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt x)
0.6b
(cbrt (* (cbrt x) (cbrt x)))
0.6b
(cbrt (cbrt x))
0.8b
(pow (cbrt (cbrt x)) 4)

rewrite13.0ms

Algorithm
rewrite-expression-head
Rules
22×cbrt-prod
11×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
unpow-prod-down
pow1 add-exp-log
pow1/3 add-cbrt-cube add-log-exp
pow-unpow
pow-pow
pow-to-exp pow-exp sqr-pow
Counts
4 → 58
Calls
4 calls:
1.0ms
(cbrt x)
4.0ms
(cbrt (* (cbrt x) (cbrt x)))
2.0ms
(cbrt (cbrt x))
4.0ms
(pow (cbrt (cbrt x)) 4)

series146.0ms

Counts
4 → 12
Calls
4 calls:
25.0ms
(cbrt x)
39.0ms
(cbrt (* (cbrt x) (cbrt x)))
37.0ms
(cbrt (cbrt x))
46.0ms
(pow (cbrt (cbrt x)) 4)

simplify695.0ms

Counts
70 → 70
Iterations

Useful iterations: done (693.0ms)

IterNodesCost
0111584
1241541
2570468
31648427
done5000422

prune199.0ms

Filtered
50 candidates to 70 candidates (-40.0%)
Pruning

19 alts after pruning (17 fresh and 2 done)

PrunedKeptTotal
New601070
Fresh077
Picked011
Done011
Total601979

Merged error: 0.1b

Counts
79 → 19

localize24.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (* (cbrt x) (cbrt x)))
0.6b
(cbrt (cbrt x))
0.6b
(cbrt (cbrt x))
0.8b
(pow (cbrt (cbrt x)) 4)

rewrite14.0ms

Algorithm
rewrite-expression-head
Rules
28×cbrt-prod
12×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
unpow-prod-down
pow1 add-exp-log
pow1/3 add-cbrt-cube add-log-exp
pow-unpow
pow-pow
pow-to-exp pow-exp sqr-pow
Counts
4 → 61
Calls
4 calls:
4.0ms
(cbrt (* (cbrt x) (cbrt x)))
2.0ms
(cbrt (cbrt x))
2.0ms
(cbrt (cbrt x))
4.0ms
(pow (cbrt (cbrt x)) 4)

series157.0ms

Counts
4 → 12
Calls
4 calls:
39.0ms
(cbrt (* (cbrt x) (cbrt x)))
33.0ms
(cbrt (cbrt x))
37.0ms
(cbrt (cbrt x))
46.0ms
(pow (cbrt (cbrt x)) 4)

simplify781.0ms

Counts
73 → 73
Iterations

Useful iterations: done (779.0ms)

IterNodesCost
0101627
1216582
2520503
31552468
done5001463

prune134.0ms

Filtered
53 candidates to 73 candidates (-37.7%)
Pruning

18 alts after pruning (16 fresh and 2 done)

PrunedKeptTotal
New71273
Fresh21416
Picked101
Done022
Total741892

Merged error: 0.1b

Counts
92 → 18

regimes102.0ms

Accuracy

0% (0.4b remaining)

Error of 0.5b against oracle of 0.1b and baseline of 0.5b

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 1 (1.0ms)

IterNodesCost
01222
11720
done1720

end0.0ms

sample655.0ms

Algorithm
intervals
Results
216.0ms1729×body1280valid
112.0ms1190×body640valid
111.0ms4161×body80valid
42.0ms602×body320valid
18.0ms318×body160valid

Profiling

Loading profile data...