Details

Time bar (total: 5.6s)

sample96.0ms

Algorithm
intervals
Results
47.0ms104×body1280valid
21.0ms85×body640valid
8.0ms273×body80nan
6.0ms40×body320valid
2.0ms22×body160valid
0.0msbody80valid

simplify14.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0186
1256
2406
3616
4886
51046
61136
71136

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 58.5b

localize7.0ms

Local error

Found 2 expressions with local error:

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

rewrite19.0ms

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)))

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)))

simplify119.0ms

Algorithm
egg-herbie
Counts
88 → 88
Iterations

Useful iterations: 2 (24.0ms)

IterNodesCost
0318660
11025624
24261602
35001602

prune184.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.2b

localize12.0ms

Local error

Found 1 expressions with local error:

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

rewrite34.0ms

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)))

series51.0ms

Counts
1 → 3
Calls
1 calls:
48.0ms
(* 2.0 (/ (pow x 2) (pow 1.0 2)))

simplify51.0ms

Algorithm
egg-herbie
Counts
113 → 113
Iterations

Useful iterations: 2 (43.0ms)

IterNodesCost
0528643
12205526
25001525

prune269.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.2b

localize8.0ms

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
18×log-prod
13×add-sqr-sqrt
pow1
log-div
add-cube-cbrt
log-pow distribute-lft-out--
add-exp-log associate--r+
associate--l+
flip3-- add-cbrt-cube flip-- add-log-exp difference-of-squares
associate--l- flip3-+ rem-log-exp flip-+ distribute-lft-out associate--r-
sub-neg diff-log
Counts
3 → 61
Calls
3 calls:
7.0ms
(- (log (+ 1.0 x)) (log (- 1.0 x)))
2.0ms
(log (- 1.0 x))
3.0ms
(log (+ 1.0 x))

series325.0ms

Counts
3 → 9
Calls
3 calls:
244.0ms
(- (log (+ 1.0 x)) (log (- 1.0 x)))
40.0ms
(log (- 1.0 x))
42.0ms
(log (+ 1.0 x))

simplify71.0ms

Algorithm
egg-herbie
Counts
70 → 70
Iterations

Useful iterations: 2 (18.0ms)

IterNodesCost
0302431
1776410
22776393
35001393

prune128.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.0b

localize15.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (* 2/3 (/ (pow x 3) (pow 1.0 3))) (+ (* 2.0 x) (* 2/5 (/ (pow x 5) (pow 1.0 5)))))
0.1b
(* 2/5 (/ (pow x 5) (pow 1.0 5)))
0.1b
(* 2/3 (/ (pow x 3) (pow 1.0 3)))

rewrite104.0ms

Algorithm
rewrite-expression-head
Rules
218×times-frac
201×associate-*r*
172×add-sqr-sqrt
128×unpow-prod-down
107×add-cube-cbrt *-un-lft-identity
80×cube-prod
52×sqr-pow
49×add-exp-log
27×unswap-sqr
24×cube-mult unpow3
20×prod-exp
18×div-exp
13×add-cbrt-cube
12×pow-to-exp pow-exp
add-log-exp
pow1
associate-*l*
associate-*r/ cbrt-unprod
sum-log
cbrt-undiv flip3-+ pow-prod-down frac-add *-commutative flip-+ div-inv
+-commutative associate-+r+
Counts
3 → 293
Calls
3 calls:
19.0ms
(+ (* 2/3 (/ (pow x 3) (pow 1.0 3))) (+ (* 2.0 x) (* 2/5 (/ (pow x 5) (pow 1.0 5)))))
21.0ms
(* 2/5 (/ (pow x 5) (pow 1.0 5)))
47.0ms
(* 2/3 (/ (pow x 3) (pow 1.0 3)))

series268.0ms

Counts
3 → 9
Calls
3 calls:
96.0ms
(+ (* 2/3 (/ (pow x 3) (pow 1.0 3))) (+ (* 2.0 x) (* 2/5 (/ (pow x 5) (pow 1.0 5)))))
96.0ms
(* 2/5 (/ (pow x 5) (pow 1.0 5)))
76.0ms
(* 2/3 (/ (pow x 3) (pow 1.0 3)))

simplify55.0ms

Algorithm
egg-herbie
Counts
302 → 302
Iterations

Useful iterations: 1 (29.0ms)

IterNodesCost
012321872
150011683

prune736.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

regimes16.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02613
12613

end0.0ms

sample2.8s

Algorithm
intervals
Results
1.5s3343×body1280valid
630.0ms2568×body640valid
232.0ms8122×body80nan
186.0ms1257×body320valid
58.0ms635×body160valid
8.0ms197×body80valid