Details

Time bar (total: 7.7s)

sample32.0ms

Algorithm
intervals
Results
10.0ms256×pre80true
6.0ms256×body80valid

simplify118.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
099
1179
2519
31249
41839
51919
done1919

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)))

rewrite18.0ms

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))
11.0ms
(+ a (+ b (+ c d)))

series14.0ms

Counts
2 → 6
Calls
2 calls:
5.0ms
(+ b (+ c d))
9.0ms
(+ a (+ b (+ c d)))

simplify1.0s

Counts
38 → 38
Iterations

Useful iterations: 2 (47.0ms)

IterNodesCost
056350
1171321
2575307
32864307
done5001307

prune74.0ms

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))

simplify910.0ms

Counts
20 → 20
Iterations

Useful iterations: 2 (32.0ms)

IterNodesCost
039207
1113195
2414181
32179181
done5001181

prune54.0ms

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

localize13.0ms

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:
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))

simplify1.7s

Counts
52 → 52
Iterations

Useful iterations: 3 (442.0ms)

IterNodesCost
082767
1210586
2743548
34450545
done5000545

prune116.0ms

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

16 alts after pruning (15 fresh and 1 done)

PrunedKeptTotal
New43952
Fresh268
Picked101
Done011
Total461662

Merged error: 1.9b

Counts
62 → 16

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)

rewrite25.0ms

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-+l+ pow1/3 unpow3 rem-cbrt-cube sqr-pow
Counts
2 → 46
Calls
2 calls:
10.0ms
(cbrt (pow (+ (+ a (+ b c)) d) 3))
12.0ms
(+ (+ a (+ b c)) d)

series23.0ms

Counts
2 → 6
Calls
2 calls:
13.0ms
(cbrt (pow (+ (+ a (+ b c)) d) 3))
9.0ms
(+ (+ a (+ b c)) d)

simplify1.6s

Counts
52 → 52
Iterations

Useful iterations: 3 (415.0ms)

IterNodesCost
082767
1204594
2696556
34168545
done5000545

prune58.0ms

Filtered
31 candidates to 52 candidates (-67.7%)
Pruning

16 alts after pruning (15 fresh and 1 done)

PrunedKeptTotal
New45752
Fresh6814
Picked101
Done011
Total521668

Merged error: 1.6b

Counts
68 → 16

regimes860.0ms

Accuracy

0% (1.1b remaining)

Error of 2.7b against oracle of 1.7b and baseline of 2.7b

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
099
1139
done139

end0.0ms

sample917.0ms

Algorithm
intervals
Results
313.0ms8000×pre80true
225.0ms8000×body80valid

Profiling

Loading profile data...