Details

Time bar (total: 12.7s)

sample104.0ms

Algorithm
intervals
Results
50.0ms106×body1280valid
22.0ms88×body640valid
9.0ms272×body80nan
6.0ms33×body320valid
2.0ms23×body160valid
0.0msbody80valid

simplify62.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0912
11812
22412
33912
45812
58112
69712
710512
done10512

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)))

rewrite22.0ms

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:
13.0ms
(/ (+ 1.0 x) (- 1.0 x))
6.0ms
(log (/ (+ 1.0 x) (- 1.0 x)))

series164.0ms

Counts
2 → 6
Calls
2 calls:
37.0ms
(/ (+ 1.0 x) (- 1.0 x))
126.0ms
(log (/ (+ 1.0 x) (- 1.0 x)))

simplify2.4s

Counts
88 → 88
Iterations

Useful iterations: 3 (394.0ms)

IterNodesCost
01421276
13161221
29411150
341411108
done50001108

prune231.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.1b

localize15.0ms

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:
28.0ms
(* 2.0 (/ (pow x 2) (pow 1.0 2)))

series61.0ms

Counts
1 → 3
Calls
1 calls:
61.0ms
(* 2.0 (/ (pow x 2) (pow 1.0 2)))

simplify1.3s

Counts
113 → 113
Iterations

Useful iterations: 2 (279.0ms)

IterNodesCost
02201482
15311293
225521087
done50011087

prune298.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.1b

localize13.0ms

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)))

rewrite24.0ms

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:
3.0ms
(cbrt (+ 1.0 x))
3.0ms
(cbrt (+ 1.0 x))
8.0ms
(log (/ (cbrt (+ 1.0 x)) (- 1.0 x)))
4.0ms
(log (cbrt (+ 1.0 x)))

series574.0ms

Counts
4 → 12
Calls
4 calls:
108.0ms
(cbrt (+ 1.0 x))
95.0ms
(cbrt (+ 1.0 x))
197.0ms
(log (/ (cbrt (+ 1.0 x)) (- 1.0 x)))
174.0ms
(log (cbrt (+ 1.0 x)))

simplify560.0ms

Counts
111 → 111
Iterations

Useful iterations: done (555.0ms)

IterNodesCost
02571773
15411689
215421580
done50011579

prune380.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.1b

localize17.0ms

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)))

rewrite35.0ms

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)))
7.0ms
(log (/ (cbrt (+ 1.0 x)) (- 1.0 x)))
10.0ms
(log (/ (cbrt (+ 1.0 x)) (- 1.0 x)))
3.0ms
(log (cbrt (+ 1.0 x)))

series737.0ms

Counts
4 → 12
Calls
4 calls:
183.0ms
(log (/ (cbrt (+ 1.0 x)) (- 1.0 x)))
229.0ms
(log (/ (cbrt (+ 1.0 x)) (- 1.0 x)))
201.0ms
(log (/ (cbrt (+ 1.0 x)) (- 1.0 x)))
122.0ms
(log (cbrt (+ 1.0 x)))

simplify2.1s

Counts
187 → 187
Iterations

Useful iterations: done (2.1s)

IterNodesCost
02233493
14503319
212303106
348273014
done50003013

prune653.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0.1b

regimes21.0ms

Accuracy

0% (0.4b remaining)

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

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01624
12124
done2124

end0.0ms

sample2.9s

Algorithm
intervals
Results
1.5s3355×body1280valid
639.0ms2529×body640valid
235.0ms8067×body80nan
188.0ms1246×body320valid
63.0ms662×body160valid
11.0ms208×body80valid