Details

Time bar (total: 14.6s)

sample109.0ms

Algorithm
intervals
Results
61.0ms77×body1280valid
21.0ms50×body640valid
5.0ms27×body320valid
4.0ms93×body80valid
3.0ms97×body80nan
1.0msbody160valid

simplify3.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
044
154
done54

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 38.6b

localize8.0ms

Local error

Found 1 expressions with local error:

3.2b
(log (+ 1.0 x))

rewrite10.0ms

Algorithm
rewrite-expression-head
Rules
log-prod *-un-lft-identity
pow1 add-exp-log add-sqr-sqrt add-cube-cbrt log-div
flip3-+ rem-log-exp log-pow add-cbrt-cube flip-+ distribute-lft-out add-log-exp
Counts
1 → 15
Calls
1 calls:
9.0ms
(log (+ 1.0 x))

series66.0ms

Counts
1 → 3
Calls
1 calls:
66.0ms
(log (+ 1.0 x))

simplify3.7s

Counts
18 → 18
Iterations

Useful iterations: 5 (2.0s)

IterNodesCost
058178
1123171
2260151
3528151
41197146
53028140
done5000140

prune53.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.1b

localize16.0ms

Local error

Found 2 expressions with local error:

0.0b
(* x (+ 1.0 (/ -1/2 (/ (* 1.0 1.0) x))))
0.2b
(/ -1/2 (/ (* 1.0 1.0) x))

rewrite96.0ms

Algorithm
rewrite-expression-head
Rules
33×times-frac
22×add-sqr-sqrt *-un-lft-identity
20×add-cube-cbrt
13×add-exp-log add-cbrt-cube
associate-/r*
cbrt-undiv div-exp div-inv
pow1 associate-*r*
associate-*l* associate-/l*
associate-*r/ prod-exp cbrt-unprod add-log-exp
distribute-rgt-in frac-2neg distribute-lft-in flip3-+ pow-prod-down clear-num associate-/r/ *-commutative flip-+ distribute-lft-out unswap-sqr
Counts
2 → 71
Calls
2 calls:
82.0ms
(* x (+ 1.0 (/ -1/2 (/ (* 1.0 1.0) x))))
12.0ms
(/ -1/2 (/ (* 1.0 1.0) x))

series112.0ms

Counts
2 → 6
Calls
2 calls:
94.0ms
(* x (+ 1.0 (/ -1/2 (/ (* 1.0 1.0) x))))
18.0ms
(/ -1/2 (/ (* 1.0 1.0) x))

simplify3.6s

Counts
77 → 77
Iterations

Useful iterations: 3 (1.9s)

IterNodesCost
0146994
1354928
21127852
34629842
done5001842

prune246.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.1b

localize7.0ms

Local error

Found 3 expressions with local error:

0.2b
(cbrt (pow (log (+ 1.0 x)) 3))
0.3b
(pow (log (+ 1.0 x)) 3)
3.2b
(log (+ 1.0 x))

rewrite14.0ms

Algorithm
rewrite-expression-head
Rules
14×cbrt-prod
12×*-un-lft-identity
10×add-sqr-sqrt add-cube-cbrt
pow1
unpow-prod-down cube-prod
add-exp-log log-pow
log-prod add-cbrt-cube
pow-unpow add-log-exp
cube-mult log-div unpow3 sqr-pow
pow-to-exp pow-pow flip3-+ pow1/3 rem-log-exp pow-exp rem-cbrt-cube flip-+ distribute-lft-out rem-cube-cbrt
Counts
3 → 63
Calls
3 calls:
3.0ms
(cbrt (pow (log (+ 1.0 x)) 3))
4.0ms
(pow (log (+ 1.0 x)) 3)
5.0ms
(log (+ 1.0 x))

series237.0ms

Counts
3 → 9
Calls
3 calls:
54.0ms
(cbrt (pow (log (+ 1.0 x)) 3))
120.0ms
(pow (log (+ 1.0 x)) 3)
63.0ms
(log (+ 1.0 x))

simplify1.1s

Counts
72 → 72
Iterations

Useful iterations: done (1.1s)

IterNodesCost
0158981
1396806
21161736
done5000727

prune255.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.1b

localize15.0ms

Local error

Found 4 expressions with local error:

0.2b
(cbrt (pow (log (+ 1.0 x)) 3))
0.3b
(pow (log (+ 1.0 x)) 3)
0.3b
(pow (cbrt (pow (log (+ 1.0 x)) 3)) 3)
3.2b
(log (+ 1.0 x))

rewrite35.0ms

Algorithm
rewrite-expression-head
Rules
42×cbrt-prod
33×unpow-prod-down cube-prod
22×*-un-lft-identity
20×add-sqr-sqrt add-cube-cbrt
15×pow1
log-pow
add-exp-log
pow-unpow
cube-mult unpow3 add-cbrt-cube sqr-pow
log-prod add-log-exp
pow-pow
pow-to-exp log-div pow1/3 pow-exp rem-cube-cbrt
flip3-+ rem-log-exp rem-cbrt-cube flip-+ distribute-lft-out
Counts
4 → 115
Calls
4 calls:
5.0ms
(cbrt (pow (log (+ 1.0 x)) 3))
6.0ms
(pow (log (+ 1.0 x)) 3)
13.0ms
(pow (cbrt (pow (log (+ 1.0 x)) 3)) 3)
5.0ms
(log (+ 1.0 x))

series494.0ms

Counts
4 → 12
Calls
4 calls:
57.0ms
(cbrt (pow (log (+ 1.0 x)) 3))
174.0ms
(pow (log (+ 1.0 x)) 3)
178.0ms
(pow (cbrt (pow (log (+ 1.0 x)) 3)) 3)
84.0ms
(log (+ 1.0 x))

simplify1.1s

Counts
127 → 127
Iterations

Useful iterations: done (1.1s)

IterNodesCost
01852062
14651502
212551374
done50001356

prune224.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.1b

regimes115.0ms

Accuracy

97.5% (0.5b remaining)

Error of 0.6b against oracle of 0.1b and baseline of 21.6b

bsearch1.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01424
11824
done1824

end0.0ms

sample2.9s

Algorithm
intervals
Results
1.4s2358×body1280valid
475.0ms1603×body640valid
420.0ms400×body160valid
184.0ms829×body320valid
128.0ms2697×body80nan
95.0ms2810×body80valid