Details

Time bar (total: 8.9s)

sample97.0ms

Algorithm
intervals
Results
49.0ms106×body1280valid
21.0ms88×body640valid
7.0ms272×body80nan
5.0ms33×body320valid
2.0ms23×body160valid
0.0msbody80valid

simplify55.0ms

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)))

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:
10.0ms
(/ (+ 1.0 x) (- 1.0 x))
5.0ms
(log (/ (+ 1.0 x) (- 1.0 x)))

series154.0ms

Counts
2 → 6
Calls
2 calls:
32.0ms
(/ (+ 1.0 x) (- 1.0 x))
122.0ms
(log (/ (+ 1.0 x) (- 1.0 x)))

simplify1.6s

Counts
88 → 88
Iterations

Useful iterations: 3 (635.0ms)

IterNodesCost
01421276
13161221
28691150
335931108
done50001108

prune176.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.1b

localize17.0ms

Local error

Found 1 expressions with local error:

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

rewrite31.0ms

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:
25.0ms
(* 2.0 (/ (pow x 2) (pow 1.0 2)))

series54.0ms

Counts
1 → 3
Calls
1 calls:
54.0ms
(* 2.0 (/ (pow x 2) (pow 1.0 2)))

simplify874.0ms

Counts
113 → 113
Iterations

Useful iterations: 2 (322.0ms)

IterNodesCost
02201482
15271293
223041087
done50011087

prune274.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.1b

localize12.0ms

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)))

rewrite17.0ms

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))
6.0ms
(log (/ (cbrt (+ 1.0 x)) (- 1.0 x)))
3.0ms
(log (cbrt (+ 1.0 x)))

series476.0ms

Counts
4 → 12
Calls
4 calls:
89.0ms
(cbrt (+ 1.0 x))
90.0ms
(cbrt (+ 1.0 x))
183.0ms
(log (/ (cbrt (+ 1.0 x)) (- 1.0 x)))
113.0ms
(log (cbrt (+ 1.0 x)))

simplify491.0ms

Counts
111 → 111
Iterations

Useful iterations: done (487.0ms)

IterNodesCost
02571773
15401677
214211580
done50001516

prune281.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.1b

localize20.0ms

Local error

Found 4 expressions with local error:

0.0b
(cbrt (+ 1.0 x))
6.5b
(log (sqrt (cbrt (+ 1.0 x))))
6.6b
(log (/ (sqrt (cbrt (+ 1.0 x))) (- 1.0 x)))
6.6b
(log (cbrt (+ 1.0 x)))

rewrite22.0ms

Algorithm
rewrite-expression-head
Rules
73×log-prod
72×*-un-lft-identity
56×add-sqr-sqrt
50×times-frac
42×sqrt-prod
36×add-cube-cbrt
32×cbrt-prod
10×distribute-lft-out-- difference-of-squares
add-exp-log
pow1 distribute-lft-out
log-pow
cbrt-div
log-div
rem-log-exp add-cbrt-cube add-log-exp
flip3-+ pow1/3 flip-+
sqrt-pow1 sqrt-div associate-/r/
flip3-- pow1/2 div-exp flip-- div-inv
Counts
4 → 124
Calls
4 calls:
2.0ms
(cbrt (+ 1.0 x))
3.0ms
(log (sqrt (cbrt (+ 1.0 x))))
8.0ms
(log (/ (sqrt (cbrt (+ 1.0 x))) (- 1.0 x)))
3.0ms
(log (cbrt (+ 1.0 x)))

series516.0ms

Counts
4 → 12
Calls
4 calls:
94.0ms
(cbrt (+ 1.0 x))
118.0ms
(log (sqrt (cbrt (+ 1.0 x))))
185.0ms
(log (/ (sqrt (cbrt (+ 1.0 x))) (- 1.0 x)))
118.0ms
(log (cbrt (+ 1.0 x)))

simplify521.0ms

Counts
136 → 136
Iterations

Useful iterations: done (516.0ms)

IterNodesCost
03262335
16502169
215682049
done50012047

prune388.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.1b

regimes17.0ms

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

sample2.8s

Algorithm
intervals
Results
1.5s3355×body1280valid
621.0ms2529×body640valid
225.0ms8067×body80nan
186.0ms1246×body320valid
59.0ms662×body160valid
9.0ms208×body80valid