Details

Time bar (total: 7.7s)

sample144.0ms

Algorithm
intervals
Results
79.0ms93×body1280valid
37.0ms94×body640valid
10.0ms38×body320valid
4.0ms256×pre80true
2.0ms21×body160valid
0.0ms10×body80valid

simplify6.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
0105
1115
2115

prune2.0ms

Filtered
1 candidates to 0 candidates (0.0%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 60.6b

Counts
2 → 1

localize7.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (log (- 1.0 x)) (log (+ 1.0 x)))
6.1b
(log (- 1.0 x))
6.2b
(log (+ 1.0 x))

rewrite14.0ms

Algorithm
rewrite-expression-head
Rules
19×*-un-lft-identity
17×add-sqr-sqrt
16×times-frac
15×pow1 add-cube-cbrt
12×log-pow
log-prod
add-exp-log
log-div
add-cbrt-cube
associate-/r* associate-/l*
add-log-exp
flip3-- div-sub rem-log-exp flip--
cbrt-undiv frac-2neg flip3-+ div-exp clear-num flip-+ div-inv distribute-lft-out distribute-lft-out-- difference-of-squares
Counts
3 → 69
Calls
3 calls:
6.0ms
(/ (log (- 1.0 x)) (log (+ 1.0 x)))
3.0ms
(log (- 1.0 x))
3.0ms
(log (+ 1.0 x))

series215.0ms

Counts
3 → 9
Calls
3 calls:
128.0ms
(/ (log (- 1.0 x)) (log (+ 1.0 x)))
42.0ms
(log (- 1.0 x))
45.0ms
(log (+ 1.0 x))

simplify46.0ms

Algorithm
egg-herbie
Counts
78 → 78
Iterations

Useful iterations: 2 (38.0ms)

IterNodesCost
0425668
11561624
25001599

prune170.0ms

Filtered
78 candidates to 55 candidates (70.5%)
Pruning

7 alts after pruning (7 fresh and 0 done)

PrunedKeptTotal
New71778
Fresh000
Picked101
Done000
Total72779

Merged error: 58.3b

Counts
79 → 7

localize13.0ms

Local error

Found 3 expressions with local error:

0.0b
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
0.0b
(/ (log (- 1.0 x)) (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))
6.1b
(log (- 1.0 x))

rewrite45.0ms

Algorithm
rewrite-expression-head
Rules
92×times-frac
83×add-sqr-sqrt
68×associate-*r*
56×unpow-prod-down
49×*-un-lft-identity
47×add-cube-cbrt
29×add-exp-log
24×unpow2 sqr-pow
17×unswap-sqr
10×pow1 div-exp prod-exp add-cbrt-cube
pow-to-exp pow-exp
log-prod log-pow
log-div associate-/r/ associate-/l*
flip3-- associate-*r/ associate-*l* associate-/r* flip-- add-log-exp
cbrt-undiv div-sub frac-sub cbrt-unprod div-inv
frac-2neg flip3-+ rem-log-exp pow-prod-down clear-num *-commutative flip-+ distribute-lft-out-- difference-of-squares
Counts
3 → 163
Calls
3 calls:
20.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
14.0ms
(/ (log (- 1.0 x)) (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))
3.0ms
(log (- 1.0 x))

series239.0ms

Counts
3 → 9
Calls
3 calls:
55.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
135.0ms
(/ (log (- 1.0 x)) (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))
48.0ms
(log (- 1.0 x))

simplify108.0ms

Algorithm
egg-herbie
Counts
172 → 172
Iterations

Useful iterations: 1 (25.0ms)

IterNodesCost
09951550
142131389
250011389

prune411.0ms

Filtered
172 candidates to 114 candidates (66.3%)
Pruning

6 alts after pruning (6 fresh and 0 done)

PrunedKeptTotal
New1711172
Fresh156
Picked101
Done000
Total1736179

Merged error: 0.0b

Counts
179 → 6

localize13.0ms

Local error

Found 3 expressions with local error:

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

rewrite72.0ms

Algorithm
rewrite-expression-head
Rules
178×times-frac
158×add-sqr-sqrt
136×associate-*r*
112×unpow-prod-down
94×*-un-lft-identity
82×add-cube-cbrt
51×add-exp-log
48×unpow2 sqr-pow
34×unswap-sqr
20×prod-exp
19×div-exp
15×add-cbrt-cube
12×pow-to-exp pow-exp
11×pow1
distribute-lft-out--
associate-*l* associate-/l*
associate-*r/ associate-/r/ log-pow cbrt-unprod difference-of-squares
cbrt-undiv associate-/r* div-inv add-log-exp
flip3-- pow-prod-down *-commutative frac-sub flip-- associate-/l/
frac-2neg flip3-+ div-sub clear-num flip-+
Counts
3 → 266
Calls
3 calls:
20.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
24.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
14.0ms
(/ (- (log 1.0) (+ (* 1.0 x) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))

series237.0ms

Counts
3 → 9
Calls
3 calls:
55.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
50.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
132.0ms
(/ (- (log 1.0) (+ (* 1.0 x) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))

simplify106.0ms

Algorithm
egg-herbie
Counts
275 → 275
Iterations

Useful iterations: 2 (78.0ms)

IterNodesCost
08552533
136882254
250012253

prune611.0ms

Filtered
275 candidates to 171 candidates (62.2%)
Pruning

6 alts after pruning (5 fresh and 1 done)

PrunedKeptTotal
New2750275
Fresh055
Picked011
Done000
Total2756281

Merged error: 0.0b

Counts
281 → 6

localize13.0ms

Local error

Found 4 expressions with local error:

0.1b
(cbrt (pow (/ (log (- 1.0 x)) (log (+ 1.0 x))) 3))
0.1b
(pow (/ (log (- 1.0 x)) (log (+ 1.0 x))) 3)
6.1b
(log (- 1.0 x))
6.2b
(log (+ 1.0 x))

rewrite23.0ms

Algorithm
rewrite-expression-head
Rules
64×times-frac
48×*-un-lft-identity
46×cbrt-prod add-sqr-sqrt
44×add-cube-cbrt
40×unpow-prod-down cube-prod
39×pow1
34×log-pow
add-exp-log log-prod
add-cbrt-cube
log-div div-inv add-log-exp
pow-unpow
cube-div cube-mult unpow3 rem-log-exp pow-exp rem-cube-cbrt sqr-pow
cbrt-undiv pow-to-exp cbrt-div flip3-- pow-pow flip3-+ pow1/3 div-exp flip-- rem-cbrt-cube flip-+ distribute-lft-out distribute-lft-out-- difference-of-squares
Counts
4 → 147
Calls
4 calls:
6.0ms
(cbrt (pow (/ (log (- 1.0 x)) (log (+ 1.0 x))) 3))
6.0ms
(pow (/ (log (- 1.0 x)) (log (+ 1.0 x))) 3)
3.0ms
(log (- 1.0 x))
3.0ms
(log (+ 1.0 x))

series415.0ms

Counts
4 → 12
Calls
4 calls:
125.0ms
(cbrt (pow (/ (log (- 1.0 x)) (log (+ 1.0 x))) 3))
204.0ms
(pow (/ (log (- 1.0 x)) (log (+ 1.0 x))) 3)
46.0ms
(log (- 1.0 x))
40.0ms
(log (+ 1.0 x))

simplify99.0ms

Algorithm
egg-herbie
Counts
159 → 159
Iterations

Useful iterations: 2 (81.0ms)

IterNodesCost
09021782
142461664
250031654

prune238.0ms

Filtered
159 candidates to 76 candidates (47.8%)
Pruning

6 alts after pruning (4 fresh and 2 done)

PrunedKeptTotal
New1590159
Fresh044
Picked011
Done011
Total1596165

Merged error: 0.0b

Counts
165 → 6

regimes47.0ms

Accuracy

0% (0.4b remaining)

Error of 0.4b against oracle of 0.0b and baseline of 0.4b

bsearch0.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01917
11917

end0.0ms

sample4.4s

Algorithm
intervals
Results
2.9s3396×body1280valid
998.0ms2527×body640valid
246.0ms1271×body320valid
97.0ms8000×pre80true
66.0ms606×body160valid
9.0ms200×body80valid