Details

Time bar (total: 20.5s)

sample32.0ms

Algorithm
intervals
Results
9.0ms49×body1280valid
6.0ms48×body640valid
4.0ms124×body80valid
2.0ms23×body320valid
1.0ms12×body160valid

simplify13.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
067
197
2107
done107

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 31.4b

localize8.0ms

Local error

Found 3 expressions with local error:

0.3b
(cbrt (+ x 1.0))
0.6b
(cbrt x)
3.7b
(- (cbrt (+ x 1.0)) (cbrt x))

rewrite56.0ms

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:
8.0ms
(cbrt (+ x 1.0))
1.0ms
(cbrt x)
44.0ms
(- (cbrt (+ x 1.0)) (cbrt x))

series645.0ms

Counts
3 → 9
Calls
3 calls:
154.0ms
(cbrt (+ x 1.0))
247.0ms
(cbrt x)
244.0ms
(- (cbrt (+ x 1.0)) (cbrt x))

simplify4.2s

Counts
53 → 53
Iterations

Useful iterations: 4 (2.1s)

IterNodesCost
0131649
1290597
2672573
31717521
44878501
done5000501

prune274.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 6.7b

localize18.0ms

Local error

Found 4 expressions with local error:

0.3b
(cbrt (+ x 1.0))
0.3b
(* (cbrt (+ x 1.0)) (+ (cbrt (+ x 1.0)) (cbrt x)))
0.6b
(cbrt x)
3.6b
(pow x 2/3)

rewrite171.0ms

Algorithm
rewrite-expression-head
Rules
22×*-un-lft-identity
16×cbrt-prod
15×add-sqr-sqrt
11×add-cube-cbrt
cbrt-div
pow1 add-exp-log flip3-+ associate-*l* flip-+
associate-*r* distribute-lft-out
add-cbrt-cube
frac-times add-log-exp
unpow-prod-down pow-unpow
pow1/3 associate-*r/ associate-*l/ unswap-sqr
distribute-rgt-in pow-to-exp pow-pow distribute-lft-in pow-prod-down pow-exp prod-exp *-commutative cbrt-unprod sqr-pow
Counts
4 → 78
Calls
4 calls:
8.0ms
(cbrt (+ x 1.0))
153.0ms
(* (cbrt (+ x 1.0)) (+ (cbrt (+ x 1.0)) (cbrt x)))
1.0ms
(cbrt x)
3.0ms
(pow x 2/3)

series1.1s

Counts
4 → 12
Calls
4 calls:
149.0ms
(cbrt (+ x 1.0))
329.0ms
(* (cbrt (+ x 1.0)) (+ (cbrt (+ x 1.0)) (cbrt x)))
345.0ms
(cbrt x)
272.0ms
(pow x 2/3)

simplify1.4s

Counts
90 → 90
Iterations

Useful iterations: done (1.4s)

IterNodesCost
02311296
16291182
218121117
done50001047

prune410.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.3b

localize21.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (cbrt x) (cbrt x))
0.6b
(cbrt x)
0.6b
(cbrt x)
0.6b
(cbrt x)

rewrite39.0ms

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:
30.0ms
(* (cbrt x) (cbrt x))
1.0ms
(cbrt x)
2.0ms
(cbrt x)
2.0ms
(cbrt x)

series1.4s

Counts
4 → 12
Calls
4 calls:
343.0ms
(* (cbrt x) (cbrt x))
367.0ms
(cbrt x)
334.0ms
(cbrt x)
355.0ms
(cbrt x)

simplify4.9s

Counts
85 → 85
Iterations

Useful iterations: done (4.9s)

IterNodesCost
061524
1115417
2319397
31092379
44427374
done5001364

prune372.0ms

Pruning

15 alts after pruning (14 fresh and 1 done)

Merged error: 0.2b

localize38.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt x)
0.6b
(cbrt x)
0.6b
(cbrt x)
0.6b
(cbrt x)

rewrite4.0ms

Algorithm
rewrite-expression-head
Rules
12×cbrt-prod
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
pow1 add-exp-log pow1/3 add-cbrt-cube add-log-exp
Counts
4 → 44
Calls
4 calls:
1.0ms
(cbrt x)
1.0ms
(cbrt x)
1.0ms
(cbrt x)
1.0ms
(cbrt x)

series1.1s

Counts
4 → 12
Calls
4 calls:
287.0ms
(cbrt x)
272.0ms
(cbrt x)
267.0ms
(cbrt x)
298.0ms
(cbrt x)

simplify2.1s

Counts
56 → 56
Iterations

Useful iterations: 3 (45.0ms)

IterNodesCost
024260
142244
283220
3167208
4388208
51317208
done5000208

prune317.0ms

Pruning

18 alts after pruning (16 fresh and 2 done)

Merged error: 0.2b

regimes221.0ms

Accuracy

0% (0.3b remaining)

Error of 0.5b against oracle of 0.2b and baseline of 0.5b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01020
11420
done1420

end0.0ms

sample1.6s

Algorithm
intervals
Results
557.0ms4059×body80valid
474.0ms1719×body1280valid
243.0ms1265×body640valid
113.0ms629×body320valid
23.0ms328×body160valid