Details

Time bar (total: 6.1s)

sample25.0ms

Algorithm
intervals
Results
5.0ms256×pre80true
5.0ms256×body80valid

simplify145.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
099
1179
2539
31449
42539
52549
done2549

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 3.7b

localize7.0ms

Local error

Found 2 expressions with local error:

0.4b
(+ b (+ c d))
2.9b
(+ a (+ b (+ c d)))

rewrite58.0ms

Algorithm
rewrite-expression-head
Rules
16×*-un-lft-identity add-log-exp
9×sum-log distribute-lft-out
2×pow1 add-exp-log +-commutative add-sqr-sqrt add-cube-cbrt associate-+r+ flip3-+ add-cbrt-cube flip-+
Counts
2 → 32
Calls
2 calls:
14.0ms
(+ b (+ c d))
43.0ms
(+ a (+ b (+ c d)))

series51.0ms

Counts
2 → 6
Calls
2 calls:
16.0ms
(+ b (+ c d))
35.0ms
(+ a (+ b (+ c d)))

simplify1.4s

Counts
38 → 38
Iterations

Useful iterations: 2 (65.0ms)

IterNodesCost
056350
1167321
2664307
33982307
done5000307

prune72.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 2.4b

localize6.0ms

Local error

Found 1 expressions with local error:

2.9b
(+ a (+ (+ b c) d))

rewrite62.0ms

Algorithm
rewrite-expression-head
Rules
10×*-un-lft-identity add-log-exp
6×sum-log distribute-lft-out
1×pow1 add-exp-log +-commutative add-sqr-sqrt add-cube-cbrt associate-+r+ flip3-+ add-cbrt-cube flip-+
Counts
1 → 17
Calls
1 calls:
61.0ms
(+ a (+ (+ b c) d))

series34.0ms

Counts
1 → 3
Calls
1 calls:
34.0ms
(+ a (+ (+ b c) d))

simplify1.1s

Counts
20 → 20
Iterations

Useful iterations: 2 (38.0ms)

IterNodesCost
039207
1108195
2458181
32978181
done5000181

prune49.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 2.1b

localize9.0ms

Local error

Found 2 expressions with local error:

0.6b
(cbrt (pow (+ a (+ (+ b c) d)) 3))
2.9b
(+ a (+ (+ b c) d))

rewrite154.0ms

Algorithm
rewrite-expression-head
Rules
32×*-un-lft-identity
18×cbrt-prod distribute-lft-out
11×add-log-exp
6×unpow-prod-down cube-prod sum-log
5×add-sqr-sqrt add-cube-cbrt
2×pow1 add-exp-log cube-div cbrt-div flip3-+ add-cbrt-cube flip-+
1×+-commutative cube-mult associate-+r+ pow1/3 unpow3 rem-cbrt-cube sqr-pow
Counts
2 → 46
Calls
2 calls:
91.0ms
(cbrt (pow (+ a (+ (+ b c) d)) 3))
61.0ms
(+ a (+ (+ b c) d))

series92.0ms

Counts
2 → 6
Calls
2 calls:
59.0ms
(cbrt (pow (+ a (+ (+ b c) d)) 3))
33.0ms
(+ a (+ (+ b c) d))

simplify426.0ms

Counts
52 → 52
Iterations

Useful iterations: done (424.0ms)

IterNodesCost
082767
1205586
2783548
done5000545

prune114.0ms

Pruning

15 alts after pruning (14 fresh and 1 done)

Merged error: 2.1b

localize12.0ms

Local error

Found 3 expressions with local error:

0.6b
(cbrt (pow (+ (+ d (+ b c)) a) 3))
0.6b
(cbrt (pow (cbrt (pow (+ (+ d (+ b c)) a) 3)) 3))
2.9b
(+ (+ d (+ b c)) a)

rewrite379.0ms

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
6×cube-div cbrt-div sum-log
4×cube-mult unpow3 sqr-pow
3×pow1 add-exp-log flip3-+ add-cbrt-cube flip-+
2×pow1/3 rem-cbrt-cube
1×+-commutative associate-+l+
Counts
3 → 105
Calls
3 calls:
96.0ms
(cbrt (pow (+ (+ d (+ b c)) a) 3))
194.0ms
(cbrt (pow (cbrt (pow (+ (+ d (+ b c)) a) 3)) 3))
84.0ms
(+ (+ d (+ b c)) a)

series143.0ms

Counts
3 → 9
Calls
3 calls:
54.0ms
(cbrt (pow (+ (+ d (+ b c)) a) 3))
58.0ms
(cbrt (pow (cbrt (pow (+ (+ d (+ b c)) a) 3)) 3))
31.0ms
(+ (+ d (+ b c)) a)

simplify439.0ms

Counts
114 → 114
Iterations

Useful iterations: done (435.0ms)

IterNodesCost
01282293
12991482
28571361
done50001349

prune139.0ms

Pruning

20 alts after pruning (19 fresh and 1 done)

Merged error: 2.1b

regimes549.0ms

Accuracy

0% (0.8b remaining)

Error of 2.8b against oracle of 2.0b and baseline of 2.8b

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
099
1139
done139

end0.0ms

sample583.0ms

Algorithm
intervals
Results
165.0ms8000×pre80true
157.0ms8000×body80valid