Details

Time bar (total: 8.7s)

sample158.0ms

Algorithm
intervals
Results
102.0ms116×body1280valid
31.0ms75×body640valid
9.0ms42×body320valid
4.0ms256×pre80true
2.0ms17×body160valid
0.0msbody80valid

simplify5.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0105
1115
2115

prune3.0ms

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: 62.2b

Counts
2 → 1

localize7.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (log (- 1.0 x)) (log (+ 1.0 x)))
5.6b
(log (+ 1.0 x))
5.7b
(log (- 1.0 x))

rewrite7.0ms

Algorithm
rewrite-expression-head
Rules
log-div
flip3-- div-sub flip--
frac-2neg flip3-+ clear-num flip-+ div-inv
Counts
3 → 9
Calls
3 calls:
3.0ms
(/ (log (- 1.0 x)) (log (+ 1.0 x)))
2.0ms
(log (+ 1.0 x))
2.0ms
(log (- 1.0 x))

series220.0ms

Counts
3 → 9
Calls
3 calls:
128.0ms
(/ (log (- 1.0 x)) (log (+ 1.0 x)))
42.0ms
(log (+ 1.0 x))
49.0ms
(log (- 1.0 x))

simplify35.0ms

Algorithm
egg-herbie
Counts
18 → 18
Iterations

Useful iterations: 2 (30.0ms)

IterNodesCost
0324249
11243245
25002223

prune73.0ms

Filtered
18 candidates to 18 candidates (100.0%)
Pruning

3 alts after pruning (3 fresh and 0 done)

PrunedKeptTotal
New15318
Fresh000
Picked101
Done000
Total16319

Merged error: 59.8b

Counts
19 → 3

localize13.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (log (- 1.0 x)) (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))
5.7b
(log (- 1.0 x))

rewrite17.0ms

Algorithm
rewrite-expression-head
Rules
18×associate-/r/
16×frac-sub
14×associate-*r/
flip3-+ flip-+
clear-num
log-div associate-/r* associate-/l* unpow2 sqr-pow
flip3-- frac-2neg flip--
div-sub un-div-inv
div-inv
Counts
2 → 25
Calls
2 calls:
13.0ms
(/ (log (- 1.0 x)) (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))
2.0ms
(log (- 1.0 x))

series182.0ms

Counts
2 → 6
Calls
2 calls:
139.0ms
(/ (log (- 1.0 x)) (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))
43.0ms
(log (- 1.0 x))

simplify62.0ms

Algorithm
egg-herbie
Counts
31 → 31
Iterations

Useful iterations: 1 (13.0ms)

IterNodesCost
0553628
12125626
25002626

prune141.0ms

Filtered
31 candidates to 29 candidates (93.5%)
Pruning

3 alts after pruning (3 fresh and 0 done)

PrunedKeptTotal
New30131
Fresh022
Picked101
Done000
Total31334

Merged error: 0.0b

Counts
34 → 3

localize13.0ms

Local error

Found 1 expressions with local error:

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)))))

rewrite13.0ms

Algorithm
rewrite-expression-head
Rules
18×associate-/r/
16×frac-sub
14×associate-*r/
flip3-+ flip-+
clear-num
associate-/r* associate-/l* unpow2 sqr-pow
frac-2neg div-sub
flip3-- un-div-inv flip-- associate-/l/ associate--r+
+-commutative div-inv
Counts
1 → 26
Calls
1 calls:
11.0ms
(/ (- (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)))))

series125.0ms

Counts
1 → 3
Calls
1 calls:
125.0ms
(/ (- (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)))))

simplify54.0ms

Algorithm
egg-herbie
Counts
29 → 29
Iterations

Useful iterations: 1 (11.0ms)

IterNodesCost
0439684
11675683
25001683

prune122.0ms

Filtered
29 candidates to 26 candidates (89.7%)
Pruning

4 alts after pruning (3 fresh and 1 done)

PrunedKeptTotal
New28129
Fresh022
Picked011
Done000
Total28432

Merged error: 0b

Counts
32 → 4

localize27.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (* (+ (pow (* 1.0 x) 3) (pow (log 1.0) 3)) 1.0) (* (+ (* (* 1.0 x) (* 1.0 x)) (- (* (log 1.0) (log 1.0)) (* (* 1.0 x) (log 1.0)))) (* 1/2 (/ (pow x 2) 1.0))))
0.1b
(* (+ (* (* 1.0 x) (* 1.0 x)) (- (* (log 1.0) (log 1.0)) (* (* 1.0 x) (log 1.0)))) (* 1/2 (/ (pow x 2) 1.0)))
8.3b
(/ (- (log 1.0) (+ (* 1.0 x) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (- (* (+ (pow (* 1.0 x) 3) (pow (log 1.0) 3)) 1.0) (* (+ (* (* 1.0 x) (* 1.0 x)) (- (* (log 1.0) (log 1.0)) (* (* 1.0 x) (log 1.0)))) (* 1/2 (/ (pow x 2) 1.0)))))
31.5b
(* (/ (- (log 1.0) (+ (* 1.0 x) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (- (* (+ (pow (* 1.0 x) 3) (pow (log 1.0) 3)) 1.0) (* (+ (* (* 1.0 x) (* 1.0 x)) (- (* (log 1.0) (log 1.0)) (* (* 1.0 x) (log 1.0)))) (* 1/2 (/ (pow x 2) 1.0))))) (* (+ (* (* 1.0 x) (* 1.0 x)) (- (* (log 1.0) (log 1.0)) (* (* 1.0 x) (log 1.0)))) 1.0))

rewrite155.0ms

Algorithm
rewrite-expression-head
Rules
154×associate-*l/
149×associate-*r/
120×frac-sub
116×flip3-+ flip-+
96×frac-times
84×associate-/r/
48×associate-*l*
46×clear-num
42×associate-/l*
25×frac-2neg
21×un-div-inv unpow2 sqr-pow
associate-/l/
flip3-- flip--
associate-*r*
sum-cubes distribute-lft-out--
associate-/r* *-commutative
div-sub div-inv
associate--r+
+-commutative sub-neg
Counts
4 → 186
Calls
4 calls:
33.0ms
(- (* (+ (pow (* 1.0 x) 3) (pow (log 1.0) 3)) 1.0) (* (+ (* (* 1.0 x) (* 1.0 x)) (- (* (log 1.0) (log 1.0)) (* (* 1.0 x) (log 1.0)))) (* 1/2 (/ (pow x 2) 1.0))))
17.0ms
(* (+ (* (* 1.0 x) (* 1.0 x)) (- (* (log 1.0) (log 1.0)) (* (* 1.0 x) (log 1.0)))) (* 1/2 (/ (pow x 2) 1.0)))
33.0ms
(/ (- (log 1.0) (+ (* 1.0 x) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (- (* (+ (pow (* 1.0 x) 3) (pow (log 1.0) 3)) 1.0) (* (+ (* (* 1.0 x) (* 1.0 x)) (- (* (log 1.0) (log 1.0)) (* (* 1.0 x) (log 1.0)))) (* 1/2 (/ (pow x 2) 1.0)))))
54.0ms
(* (/ (- (log 1.0) (+ (* 1.0 x) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (- (* (+ (pow (* 1.0 x) 3) (pow (log 1.0) 3)) 1.0) (* (+ (* (* 1.0 x) (* 1.0 x)) (- (* (log 1.0) (log 1.0)) (* (* 1.0 x) (log 1.0)))) (* 1/2 (/ (pow x 2) 1.0))))) (* (+ (* (* 1.0 x) (* 1.0 x)) (- (* (log 1.0) (log 1.0)) (* (* 1.0 x) (log 1.0)))) 1.0))

series1.1s

Counts
4 → 12
Calls
4 calls:
151.0ms
(- (* (+ (pow (* 1.0 x) 3) (pow (log 1.0) 3)) 1.0) (* (+ (* (* 1.0 x) (* 1.0 x)) (- (* (log 1.0) (log 1.0)) (* (* 1.0 x) (log 1.0)))) (* 1/2 (/ (pow x 2) 1.0))))
107.0ms
(* (+ (* (* 1.0 x) (* 1.0 x)) (- (* (log 1.0) (log 1.0)) (* (* 1.0 x) (log 1.0)))) (* 1/2 (/ (pow x 2) 1.0)))
497.0ms
(/ (- (log 1.0) (+ (* 1.0 x) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (- (* (+ (pow (* 1.0 x) 3) (pow (log 1.0) 3)) 1.0) (* (+ (* (* 1.0 x) (* 1.0 x)) (- (* (log 1.0) (log 1.0)) (* (* 1.0 x) (log 1.0)))) (* 1/2 (/ (pow x 2) 1.0)))))
341.0ms
(* (/ (- (log 1.0) (+ (* 1.0 x) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (- (* (+ (pow (* 1.0 x) 3) (pow (log 1.0) 3)) 1.0) (* (+ (* (* 1.0 x) (* 1.0 x)) (- (* (log 1.0) (log 1.0)) (* (* 1.0 x) (log 1.0)))) (* 1/2 (/ (pow x 2) 1.0))))) (* (+ (* (* 1.0 x) (* 1.0 x)) (- (* (log 1.0) (log 1.0)) (* (* 1.0 x) (log 1.0)))) 1.0))

simplify125.0ms

Algorithm
egg-herbie
Counts
198 → 198
Iterations

Useful iterations: 1 (41.0ms)

IterNodesCost
016189987
150019753

prune1.5s

Filtered
198 candidates to 169 candidates (85.4%)
Pruning

4 alts after pruning (2 fresh and 2 done)

PrunedKeptTotal
New1980198
Fresh022
Picked011
Done011
Total1984202

Merged error: 0b

Counts
202 → 4

regimes26.0ms

Accuracy

0% (0.3b remaining)

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

bsearch0.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01917
11917

end0.0ms

sample4.5s

Algorithm
intervals
Results
3.0s3467×body1280valid
992.0ms2448×body640valid
239.0ms1195×body320valid
102.0ms8000×pre80true
75.0ms662×body160valid
11.0ms228×body80valid