Details

Time bar (total: 3.4s)

sample58.0ms

Algorithm
intervals
Results
32.0ms75×body1280valid
11.0ms54×body640valid
2.0ms97×body80valid
2.0ms17×body320valid
1.0ms79×body80nan
1.0ms13×body160valid

simplify3.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
052
152
done52

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 37.3b

localize3.0ms

Local error

Found 1 expressions with local error:

3.6b
(log (+ 1.0 x))

rewrite5.0ms

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:
5.0ms
(log (+ 1.0 x))

series40.0ms

Counts
1 → 3
Calls
1 calls:
40.0ms
(log (+ 1.0 x))

simplify37.0ms

Counts
18 → 18
Iterations

Useful iterations: 3 (35.0ms)

IterNodesCost
012295
132786
2116181
3500278
done500278

prune43.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

localize11.0ms

Local error

Found 2 expressions with local error:

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

rewrite94.0ms

Algorithm
rewrite-expression-head
Rules
80×times-frac
70×add-sqr-sqrt
68×associate-*r*
56×unpow-prod-down
36×add-cube-cbrt *-un-lft-identity
25×add-exp-log
24×unpow2 sqr-pow
17×unswap-sqr
10×prod-exp
div-exp
add-cbrt-cube
pow-to-exp pow-exp add-log-exp
pow1
associate-*r/ associate-*l*
diff-log frac-sub cbrt-unprod
cbrt-undiv sub-neg flip3-- flip3-+ pow-prod-down associate--l+ sum-log *-commutative flip-- flip-+ div-inv
Counts
2 → 126
Calls
2 calls:
49.0ms
(- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))
38.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))

series95.0ms

Counts
2 → 6
Calls
2 calls:
45.0ms
(- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))
50.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))

simplify73.0ms

Counts
132 → 132
Iterations

Useful iterations: 2 (63.0ms)

IterNodesCost
0676882
12962760
25001756
done5001756

prune278.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.0b

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)
3.6b
(log (+ 1.0 x))

rewrite12.0ms

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))
3.0ms
(pow (log (+ 1.0 x)) 3)
5.0ms
(log (+ 1.0 x))

series179.0ms

Counts
3 → 9
Calls
3 calls:
41.0ms
(cbrt (pow (log (+ 1.0 x)) 3))
94.0ms
(pow (log (+ 1.0 x)) 3)
45.0ms
(log (+ 1.0 x))

simplify41.0ms

Counts
72 → 72
Iterations

Useful iterations: 2 (36.0ms)

IterNodesCost
0396444
11597423
25001406
done5001406

prune114.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.0b

localize8.0ms

Local error

Found 4 expressions with local error:

0.2b
(cbrt (* (pow (log (+ 1.0 x)) 2) (log (+ 1.0 x))))
0.2b
(pow (log (+ 1.0 x)) 2)
3.6b
(log (+ 1.0 x))
3.6b
(log (+ 1.0 x))

rewrite22.0ms

Algorithm
rewrite-expression-head
Rules
12×*-un-lft-identity
pow1 add-sqr-sqrt add-cube-cbrt log-prod
add-exp-log
unpow-prod-down log-div add-cbrt-cube add-log-exp
pow-unpow log-pow
flip3-+ rem-log-exp flip-+ distribute-lft-out unpow2
cbrt-prod pow-to-exp pow-pow pow1/3 pow3 pow-exp rem-cbrt-cube sqr-pow
Counts
4 → 59
Calls
4 calls:
5.0ms
(cbrt (* (pow (log (+ 1.0 x)) 2) (log (+ 1.0 x))))
7.0ms
(pow (log (+ 1.0 x)) 2)
4.0ms
(log (+ 1.0 x))
4.0ms
(log (+ 1.0 x))

series194.0ms

Counts
4 → 12
Calls
4 calls:
47.0ms
(cbrt (* (pow (log (+ 1.0 x)) 2) (log (+ 1.0 x))))
60.0ms
(pow (log (+ 1.0 x)) 2)
46.0ms
(log (+ 1.0 x))
40.0ms
(log (+ 1.0 x))

simplify139.0ms

Counts
71 → 71
Iterations

Useful iterations: 2 (28.0ms)

IterNodesCost
0305444
11009360
24462338
35002338
done5002338

prune148.0ms

Pruning

5 alts after pruning (2 fresh and 3 done)

Merged error: 0.0b

regimes96.0ms

Accuracy

98.8% (0.3b remaining)

Error of 0.4b against oracle of 0.1b and baseline of 21.8b

bsearch1.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02111
12111
done2111

end0.0ms

sample1.7s

Algorithm
intervals
Results
966.0ms2241×body1280valid
345.0ms1656×body640valid
95.0ms894×body320valid
59.0ms2825×body80valid
34.0ms2650×body80nan
23.0ms384×body160valid