Details

Time bar (total: 5.3s)

sample34.0ms

Algorithm
intervals
Results
10.0ms256×pre80true
7.0ms256×body80valid

simplify76.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
099
1179
2519
31269
41979
52089
done2089

prune3.0ms

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)))

rewrite16.0ms

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))
9.0ms
(+ a (+ b (+ c d)))

series14.0ms

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

simplify768.0ms

Counts
38 → 38
Iterations

Useful iterations: 2 (44.0ms)

IterNodesCost
056350
1171321
2584307
32904307
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))

series9.0ms

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

simplify613.0ms

Counts
20 → 20
Iterations

Useful iterations: 2 (30.0ms)

IterNodesCost
039207
1119195
2426181
32210181
done5001181

prune58.0ms

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))

rewrite21.0ms

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:
10.0ms
(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))

simplify1.5s

Counts
52 → 52
Iterations

Useful iterations: 3 (300.0ms)

IterNodesCost
082767
1218586
2778548
34558545
done5000545

prune102.0ms

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

13 alts after pruning (12 fresh and 1 done)

PrunedKeptTotal
New44852
Fresh448
Picked101
Done011
Total491362

Merged error: 1.4b

Counts
62 → 13

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ c (+ a (+ d b)))
0.9b
(+ a (+ d b))

rewrite16.0ms

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:
9.0ms
(+ c (+ a (+ d b)))
6.0ms
(+ a (+ d b))

series15.0ms

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

simplify760.0ms

Counts
38 → 38
Iterations

Useful iterations: 2 (44.0ms)

IterNodesCost
058350
1172321
2584307
32906307
done5000307

prune49.0ms

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

3 alts after pruning (3 fresh and 0 done)

PrunedKeptTotal
New35338
Fresh11011
Picked101
Done101
Total48351

Merged error: 0.0b

Counts
51 → 3

regimes210.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 1 (1.0ms)

IterNodesCost
01111
1189
done189

end0.0ms

sample943.0ms

Algorithm
intervals
Results
325.0ms8000×pre80true
219.0ms8000×body80valid

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