Details

Time bar (total: 10.3s)

sample98.0ms

Algorithm
intervals
Results
50.0ms106×body1280valid
21.0ms88×body640valid
7.0ms272×body80nan
5.0ms33×body320valid
2.0ms23×body160valid
0.0msbody80valid

simplify54.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0912
11812
22412
33912
45612
57812
69312
710112
done10112

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 59.1b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (+ 1.0 x) (- 1.0 x))
6.6b
(log (/ (+ 1.0 x) (- 1.0 x)))

rewrite20.0ms

Algorithm
rewrite-expression-head
Rules
63×*-un-lft-identity
41×add-sqr-sqrt
40×times-frac
26×log-prod
23×add-cube-cbrt
11×distribute-lft-out
distribute-lft-out-- difference-of-squares
add-exp-log
associate-/r*
associate-/r/ add-cbrt-cube associate-/l*
pow1
flip3-- div-exp rem-log-exp flip-- div-inv associate-/l/ add-log-exp
cbrt-undiv log-div frac-2neg flip3-+ clear-num log-pow flip-+
Counts
2 → 82
Calls
2 calls:
11.0ms
(/ (+ 1.0 x) (- 1.0 x))
6.0ms
(log (/ (+ 1.0 x) (- 1.0 x)))

series153.0ms

Counts
2 → 6
Calls
2 calls:
31.0ms
(/ (+ 1.0 x) (- 1.0 x))
122.0ms
(log (/ (+ 1.0 x) (- 1.0 x)))

simplify1.1s

Counts
88 → 88
Iterations

Useful iterations: 3 (428.0ms)

IterNodesCost
01421276
13161221
28151150
323281108
done50001108

prune193.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.1b

localize14.0ms

Local error

Found 1 expressions with local error:

0.0b
(* 2.0 (/ (pow x 2) (pow 1.0 2)))

rewrite36.0ms

Algorithm
rewrite-expression-head
Rules
80×times-frac
69×add-sqr-sqrt
68×associate-*r*
56×unpow-prod-down
35×add-cube-cbrt *-un-lft-identity
24×add-exp-log unpow2 sqr-pow
17×unswap-sqr
10×prod-exp
div-exp
pow-to-exp pow-exp add-cbrt-cube
pow1 associate-*l*
cbrt-unprod
cbrt-undiv associate-*r/ pow-prod-down *-commutative div-inv add-log-exp
Counts
1 → 110
Calls
1 calls:
30.0ms
(* 2.0 (/ (pow x 2) (pow 1.0 2)))

series49.0ms

Counts
1 → 3
Calls
1 calls:
49.0ms
(* 2.0 (/ (pow x 2) (pow 1.0 2)))

simplify571.0ms

Counts
113 → 113
Iterations

Useful iterations: 2 (245.0ms)

IterNodesCost
02201482
15271293
216731087
done50011087

prune295.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.1b

localize17.0ms

Local error

Found 4 expressions with local error:

0.0b
(cbrt (+ 1.0 x))
0.0b
(cbrt (+ 1.0 x))
6.6b
(log (/ (cbrt (+ 1.0 x)) (- 1.0 x)))
6.6b
(log (cbrt (+ 1.0 x)))

rewrite18.0ms

Algorithm
rewrite-expression-head
Rules
56×*-un-lft-identity
48×log-prod
40×add-sqr-sqrt
35×times-frac
32×cbrt-prod
26×add-cube-cbrt
add-exp-log distribute-lft-out
distribute-lft-out-- difference-of-squares
pow1 cbrt-div
add-cbrt-cube add-log-exp
log-div flip3-+ pow1/3 rem-log-exp log-pow flip-+
associate-/r/
flip3-- div-exp flip-- div-inv
Counts
4 → 99
Calls
4 calls:
2.0ms
(cbrt (+ 1.0 x))
2.0ms
(cbrt (+ 1.0 x))
7.0ms
(log (/ (cbrt (+ 1.0 x)) (- 1.0 x)))
3.0ms
(log (cbrt (+ 1.0 x)))

series477.0ms

Counts
4 → 12
Calls
4 calls:
89.0ms
(cbrt (+ 1.0 x))
89.0ms
(cbrt (+ 1.0 x))
181.0ms
(log (/ (cbrt (+ 1.0 x)) (- 1.0 x)))
117.0ms
(log (cbrt (+ 1.0 x)))

simplify1.4s

Counts
111 → 111
Iterations

Useful iterations: 3 (705.0ms)

IterNodesCost
02571773
15401677
213241580
337421477
done50001477

prune287.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.1b

localize20.0ms

Local error

Found 4 expressions with local error:

6.6b
(log (/ (cbrt (+ 1.0 x)) (- 1.0 x)))
6.6b
(log (/ (cbrt (+ 1.0 x)) (- 1.0 x)))
6.6b
(log (/ (cbrt (+ 1.0 x)) (- 1.0 x)))
6.6b
(log (cbrt (+ 1.0 x)))

rewrite31.0ms

Algorithm
rewrite-expression-head
Rules
134×*-un-lft-identity
130×log-prod
105×times-frac
102×add-sqr-sqrt
64×cbrt-prod
60×add-cube-cbrt
21×distribute-lft-out-- difference-of-squares
16×distribute-lft-out
14×add-exp-log
pow1
rem-log-exp
associate-/r/
log-div log-pow
add-cbrt-cube add-log-exp
flip3-- div-exp flip-- div-inv
cbrt-div
flip3-+ pow1/3 flip-+
Counts
4 → 175
Calls
4 calls:
6.0ms
(log (/ (cbrt (+ 1.0 x)) (- 1.0 x)))
6.0ms
(log (/ (cbrt (+ 1.0 x)) (- 1.0 x)))
6.0ms
(log (/ (cbrt (+ 1.0 x)) (- 1.0 x)))
3.0ms
(log (cbrt (+ 1.0 x)))

series654.0ms

Counts
4 → 12
Calls
4 calls:
177.0ms
(log (/ (cbrt (+ 1.0 x)) (- 1.0 x)))
177.0ms
(log (/ (cbrt (+ 1.0 x)) (- 1.0 x)))
178.0ms
(log (/ (cbrt (+ 1.0 x)) (- 1.0 x)))
121.0ms
(log (cbrt (+ 1.0 x)))

simplify1.3s

Counts
187 → 187
Iterations

Useful iterations: 3 (701.0ms)

IterNodesCost
02233493
14493287
210473106
328483013
done50013013

prune590.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0.1b

regimes19.0ms

Accuracy

0% (0.4b remaining)

Error of 0.6b against oracle of 0.2b and baseline of 0.6b

bsearch0.0ms

simplify5.0ms

Iterations

Useful iterations: 0 (4.0ms)

IterNodesCost
01624
12124
done2124

end0.0ms

sample2.8s

Algorithm
intervals
Results
1.5s3355×body1280valid
626.0ms2529×body640valid
228.0ms8067×body80nan
183.0ms1246×body320valid
61.0ms662×body160valid
9.0ms208×body80valid