Details

Time bar (total: 17.9s)

sample30.0ms

Algorithm
intervals
Results
10.0ms245×body80nan
9.0ms257×body80valid

simplify1.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
034
144
done44

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.3b

localize4.0ms

Local error

Found 1 expressions with local error:

0.3b
(* x (log x))

rewrite10.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
log-prod
add-cube-cbrt *-un-lft-identity
pow1 associate-*r*
add-exp-log distribute-rgt-in distribute-lft-in associate-*l* add-cbrt-cube
expm1-log1p-u pow-prod-down prod-exp log-pow *-commutative cbrt-unprod log1p-expm1-u add-log-exp unswap-sqr
Counts
1 → 27
Calls
1 calls:
10.0ms
(* x (log x))

series256.0ms

Counts
1 → 3
Calls
1 calls:
256.0ms
(* x (log x))

simplify2.2s

Counts
30 → 30
Iterations

Useful iterations: 3 (183.0ms)

IterNodesCost
055213
195204
2183180
3283173
41038173
done5001173

prune63.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.0b

localize10.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (* 2 (log (cbrt x))) x)
0.3b
(+ (* (* 2 (log (cbrt x))) x) (* (log (cbrt x)) x))
0.6b
(cbrt x)
0.6b
(cbrt x)

rewrite74.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-cbrt-cube
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
cbrt-prod add-log-exp
expm1-log1p-u log1p-expm1-u
associate-*r* pow-prod-down prod-exp cbrt-unprod
pow1/3
+-commutative distribute-rgt-out fma-def flip3-+ associate-*l* sum-log *-commutative flip-+
Counts
4 → 61
Calls
4 calls:
39.0ms
(* (* 2 (log (cbrt x))) x)
31.0ms
(+ (* (* 2 (log (cbrt x))) x) (* (log (cbrt x)) x))
1.0ms
(cbrt x)
1.0ms
(cbrt x)

series1.6s

Counts
4 → 12
Calls
4 calls:
499.0ms
(* (* 2 (log (cbrt x))) x)
513.0ms
(+ (* (* 2 (log (cbrt x))) x) (* (log (cbrt x)) x))
307.0ms
(cbrt x)
311.0ms
(cbrt x)

simplify1.6s

Counts
73 → 73
Iterations

Useful iterations: done (1.6s)

IterNodesCost
095700
1256562
21023458
done5000406

prune263.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.0b

localize17.0ms

Local error

Found 4 expressions with local error:

0.2b
(fma (* 2 (log (cbrt x))) x (* (log (cbrt x)) x))
0.3b
(* (log (cbrt x)) x)
0.6b
(cbrt x)
0.6b
(cbrt x)

rewrite19.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt
add-cube-cbrt *-un-lft-identity
pow1
add-exp-log cbrt-prod add-cbrt-cube
associate-*l*
expm1-log1p-u log1p-expm1-u add-log-exp
pow1/3 associate-*r*
log-pow
pow-prod-down prod-exp *-commutative cbrt-unprod fma-udef unswap-sqr
Counts
4 → 58
Calls
4 calls:
0.0ms
(fma (* 2 (log (cbrt x))) x (* (log (cbrt x)) x))
14.0ms
(* (log (cbrt x)) x)
2.0ms
(cbrt x)
2.0ms
(cbrt x)

series2.2s

Counts
4 → 12
Calls
4 calls:
1.0s
(fma (* 2 (log (cbrt x))) x (* (log (cbrt x)) x))
528.0ms
(* (log (cbrt x)) x)
299.0ms
(cbrt x)
296.0ms
(cbrt x)

simplify2.1s

Counts
70 → 70
Iterations

Useful iterations: done (2.1s)

IterNodesCost
076522
1142503
2421394
31603350
done5000346

prune264.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.0b

localize25.0ms

Local error

Found 4 expressions with local error:

0.2b
(fma (* 2 (log (cbrt x))) x (* (log (pow (/ 1 x) -1/3)) x))
0.3b
(* (log (pow (/ 1 x) -1/3)) x)
0.6b
(cbrt x)
5.1b
(pow (/ 1 x) -1/3)

rewrite24.0ms

Algorithm
rewrite-expression-head
Rules
17×add-sqr-sqrt
15×add-cube-cbrt *-un-lft-identity
13×unpow-prod-down
11×add-exp-log
times-frac
pow1
add-cbrt-cube
expm1-log1p-u associate-*l* pow-exp log1p-expm1-u add-log-exp
cbrt-prod pow-unpow pow-pow associate-*r*
div-exp
pow-to-exp rec-exp pow-flip pow1/3 1-exp pow-prod-down prod-exp log-pow *-commutative cbrt-unprod fma-udef div-inv inv-pow unswap-sqr sqr-pow
Counts
4 → 78
Calls
4 calls:
1.0ms
(fma (* 2 (log (cbrt x))) x (* (log (pow (/ 1 x) -1/3)) x))
11.0ms
(* (log (pow (/ 1 x) -1/3)) x)
1.0ms
(cbrt x)
7.0ms
(pow (/ 1 x) -1/3)

series2.0s

Counts
4 → 12
Calls
4 calls:
1.0s
(fma (* 2 (log (cbrt x))) x (* (log (pow (/ 1 x) -1/3)) x))
396.0ms
(* (log (pow (/ 1 x) -1/3)) x)
310.0ms
(cbrt x)
252.0ms
(pow (/ 1 x) -1/3)

simplify4.0s

Counts
90 → 90
Iterations

Useful iterations: done (4.0s)

IterNodesCost
0157914
1325796
2837607
33756500
done5000499

prune315.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.0b

regimes60.0ms

Accuracy

0% (0.2b remaining)

Error of 0.2b against oracle of 0.0b and baseline of 0.2b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01215
11615
done1615

end0.0ms

sample883.0ms

Algorithm
intervals
Results
318.0ms8043×body80valid
204.0ms7908×body80nan