Details

Time bar (total: 5.1s)

sample36.0ms

Algorithm
intervals
Results
10.0ms256×pre80true
7.0ms256×body80valid

simplify77.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
099
1179
2519
31269
41979
52089
done2089

prune4.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 3.7b

Counts
2 → 1

localize7.0ms

Local error

Found 2 expressions with local error:

0.5b
(+ b (+ c d))
2.6b
(+ a (+ b (+ c d)))

rewrite15.0ms

Algorithm
rewrite-expression-head
Rules
16×*-un-lft-identity add-log-exp
sum-log distribute-lft-out
pow1 add-exp-log +-commutative add-sqr-sqrt add-cube-cbrt associate-+r+ flip3-+ add-cbrt-cube flip-+
Counts
2 → 32
Calls
2 calls:
6.0ms
(+ b (+ c d))
8.0ms
(+ a (+ b (+ c d)))

series15.0ms

Counts
2 → 6
Calls
2 calls:
5.0ms
(+ b (+ c d))
10.0ms
(+ a (+ b (+ c d)))

simplify736.0ms

Counts
38 → 38
Iterations

Useful iterations: 2 (44.0ms)

IterNodesCost
056350
1171324
2584307
32902307
done5000307

prune72.0ms

Filtered
26 candidates to 38 candidates (-46.2%)
Pruning

7 alts after pruning (7 fresh and 0 done)

PrunedKeptTotal
New31738
Fresh000
Picked101
Done000
Total32739

Merged error: 2.2b

Counts
39 → 7

localize7.0ms

Local error

Found 1 expressions with local error:

2.6b
(+ a (+ (+ b c) d))

rewrite10.0ms

Algorithm
rewrite-expression-head
Rules
10×*-un-lft-identity add-log-exp
sum-log distribute-lft-out
pow1 add-exp-log +-commutative add-sqr-sqrt add-cube-cbrt associate-+r+ flip3-+ add-cbrt-cube flip-+
Counts
1 → 17
Calls
1 calls:
9.0ms
(+ a (+ (+ b c) d))

series10.0ms

Counts
1 → 3
Calls
1 calls:
9.0ms
(+ a (+ (+ b c) d))

simplify559.0ms

Counts
20 → 20
Iterations

Useful iterations: 2 (32.0ms)

IterNodesCost
039207
1119198
2422181
32098181
done5000181

prune61.0ms

Filtered
13 candidates to 20 candidates (-53.8%)
Pruning

10 alts after pruning (9 fresh and 1 done)

PrunedKeptTotal
New14620
Fresh336
Picked011
Done000
Total171027

Merged error: 2.0b

Counts
27 → 10

localize10.0ms

Local error

Found 2 expressions with local error:

0.6b
(cbrt (pow (+ a (+ (+ b c) d)) 3))
2.6b
(+ a (+ (+ b c) d))

rewrite20.0ms

Algorithm
rewrite-expression-head
Rules
32×*-un-lft-identity
18×cbrt-prod distribute-lft-out
11×add-log-exp
unpow-prod-down cube-prod sum-log
add-sqr-sqrt add-cube-cbrt
pow1 add-exp-log cube-div cbrt-div flip3-+ add-cbrt-cube flip-+
+-commutative cube-mult associate-+r+ pow1/3 unpow3 rem-cbrt-cube sqr-pow
Counts
2 → 46
Calls
2 calls:
9.0ms
(cbrt (pow (+ a (+ (+ b c) d)) 3))
9.0ms
(+ a (+ (+ b c) d))

series24.0ms

Counts
2 → 6
Calls
2 calls:
14.0ms
(cbrt (pow (+ a (+ (+ b c) d)) 3))
10.0ms
(+ a (+ (+ b c) d))

simplify1.3s

Counts
52 → 52
Iterations

Useful iterations: 3 (316.0ms)

IterNodesCost
082767
1218620
2778554
34566545
done5000545

prune110.0ms

Filtered
29 candidates to 52 candidates (-79.3%)
Pruning

14 alts after pruning (13 fresh and 1 done)

PrunedKeptTotal
New45752
Fresh268
Picked101
Done011
Total481462

Merged error: 1.9b

Counts
62 → 14

localize13.0ms

Local error

Found 3 expressions with local error:

0.6b
(cbrt (pow (cbrt (pow (+ d (+ a (+ b c))) 3)) 3))
0.6b
(cbrt (pow (+ d (+ a (+ b c))) 3))
2.6b
(+ d (+ a (+ b c)))

rewrite40.0ms

Algorithm
rewrite-expression-head
Rules
102×cbrt-prod
78×*-un-lft-identity
42×distribute-lft-out
39×unpow-prod-down cube-prod
15×add-sqr-sqrt add-cube-cbrt
12×add-log-exp
cube-div cbrt-div sum-log
cube-mult unpow3 sqr-pow
pow1 add-exp-log flip3-+ add-cbrt-cube flip-+
pow1/3 rem-cbrt-cube
+-commutative associate-+r+
Counts
3 → 105
Calls
3 calls:
14.0ms
(cbrt (pow (cbrt (pow (+ d (+ a (+ b c))) 3)) 3))
9.0ms
(cbrt (pow (+ d (+ a (+ b c))) 3))
12.0ms
(+ d (+ a (+ b c)))

series37.0ms

Counts
3 → 9
Calls
3 calls:
14.0ms
(cbrt (pow (cbrt (pow (+ d (+ a (+ b c))) 3)) 3))
14.0ms
(cbrt (pow (+ d (+ a (+ b c))) 3))
10.0ms
(+ d (+ a (+ b c)))

simplify522.0ms

Counts
114 → 114
Iterations

Useful iterations: done (518.0ms)

IterNodesCost
01292291
13261524
210841353
done50021347

prune106.0ms

Filtered
49 candidates to 114 candidates (-132.7%)
Pruning

11 alts after pruning (10 fresh and 1 done)

PrunedKeptTotal
New1095114
Fresh7512
Picked101
Done011
Total11711128

Merged error: 0.4b

Counts
128 → 11

regimes373.0ms

Accuracy

0% (0.3b remaining)

Error of 0.7b against oracle of 0.4b and baseline of 0.7b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01415
11815
done1815

end0.0ms

sample964.0ms

Algorithm
intervals
Results
319.0ms8000×pre80true
236.0ms8000×body80valid

Profiling

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