Details

Time bar (total: 5.4s)

sample111.0ms

Algorithm
intervals
Results
56.0ms114×body1280valid
22.0ms76×body640valid
11.0ms312×body80nan
7.0ms39×body320valid
2.0ms21×body160valid
0.0msbody80valid

simplify17.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
0186
1256
2406
3656
4986
51226
61356
71376
81376

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: 58.7b

Counts
2 → 1

localize7.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (+ 1.0 x) (- 1.0 x))
5.3b
(log (/ (+ 1.0 x) (- 1.0 x)))

rewrite18.0ms

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
expm1-log1p-u flip3-- div-exp rem-log-exp flip-- log1p-expm1-u div-inv associate-/l/ add-log-exp
cbrt-undiv log-div frac-2neg flip3-+ clear-num log-pow flip-+
Counts
2 → 86
Calls
2 calls:
8.0ms
(/ (+ 1.0 x) (- 1.0 x))
7.0ms
(log (/ (+ 1.0 x) (- 1.0 x)))

series162.0ms

Counts
2 → 6
Calls
2 calls:
32.0ms
(/ (+ 1.0 x) (- 1.0 x))
130.0ms
(log (/ (+ 1.0 x) (- 1.0 x)))

simplify125.0ms

Algorithm
egg-herbie
Counts
92 → 92
Iterations

Useful iterations: 3 (116.0ms)

IterNodesCost
0334673
11078636
24549616
35001613

prune173.0ms

Filtered
92 candidates to 62 candidates (67.4%)
Pruning

4 alts after pruning (4 fresh and 0 done)

PrunedKeptTotal
New88492
Fresh000
Picked101
Done000
Total89493

Merged error: 0.2b

Counts
93 → 4

localize13.0ms

Local error

Found 1 expressions with local error:

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

rewrite30.0ms

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 expm1-log1p-u associate-*r/ pow-prod-down *-commutative log1p-expm1-u div-inv add-log-exp
Counts
1 → 112
Calls
1 calls:
23.0ms
(* 2.0 (/ (pow x 2) (pow 1.0 2)))

series49.0ms

Counts
1 → 3
Calls
1 calls:
49.0ms
(* 2.0 (/ (pow x 2) (pow 1.0 2)))

simplify53.0ms

Algorithm
egg-herbie
Counts
115 → 115
Iterations

Useful iterations: 2 (44.0ms)

IterNodesCost
0532653
12211536
25002535

prune249.0ms

Filtered
115 candidates to 70 candidates (60.9%)
Pruning

4 alts after pruning (3 fresh and 1 done)

PrunedKeptTotal
New1150115
Fresh033
Picked011
Done000
Total1154119

Merged error: 0.2b

Counts
119 → 4

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (log (+ 1.0 x)) (log (- 1.0 x)))
5.4b
(log (+ 1.0 x))
5.4b
(log (- 1.0 x))

rewrite19.0ms

Algorithm
rewrite-expression-head
Rules
28×*-un-lft-identity
22×add-sqr-sqrt
18×pow1 log-prod
16×add-cube-cbrt prod-diff
15×log-pow
log-div
distribute-lft-out--
add-exp-log associate--r+
fma-neg associate--l+
expm1-log1p-u flip3-- add-cbrt-cube flip-- log1p-expm1-u add-log-exp difference-of-squares
associate--l- flip3-+ rem-log-exp flip-+ distribute-lft-out associate--r-
sub-neg diff-log
Counts
3 → 87
Calls
3 calls:
9.0ms
(- (log (+ 1.0 x)) (log (- 1.0 x)))
3.0ms
(log (+ 1.0 x))
4.0ms
(log (- 1.0 x))

series356.0ms

Counts
3 → 9
Calls
3 calls:
265.0ms
(- (log (+ 1.0 x)) (log (- 1.0 x)))
45.0ms
(log (+ 1.0 x))
46.0ms
(log (- 1.0 x))

simplify124.0ms

Algorithm
egg-herbie
Counts
96 → 96
Iterations

Useful iterations: 3 (115.0ms)

IterNodesCost
0372830
11084632
24581619
35001598

prune163.0ms

Filtered
96 candidates to 64 candidates (66.7%)
Pruning

1 alts after pruning (1 fresh and 0 done)

PrunedKeptTotal
New95196
Fresh202
Picked101
Done101
Total991100

Merged error: 0b

Counts
100 → 1

localize19.0ms

Local error

Found 1 expressions with local error:

0.1b
(* 2/5 (/ (pow x 5) (pow 1.0 5)))

rewrite22.0ms

Algorithm
rewrite-expression-head
Rules
58×times-frac
54×add-sqr-sqrt
53×associate-*r*
48×unpow-prod-down
31×add-cube-cbrt *-un-lft-identity
24×add-exp-log
20×sqr-pow
10×prod-exp unswap-sqr
div-exp
pow-to-exp pow-exp add-cbrt-cube
pow1 associate-*l*
cbrt-unprod
cbrt-undiv expm1-log1p-u associate-*r/ pow-prod-down *-commutative log1p-expm1-u div-inv add-log-exp
Counts
1 → 90
Calls
1 calls:
16.0ms
(* 2/5 (/ (pow x 5) (pow 1.0 5)))

series98.0ms

Counts
1 → 3
Calls
1 calls:
98.0ms
(* 2/5 (/ (pow x 5) (pow 1.0 5)))

simplify52.0ms

Algorithm
egg-herbie
Counts
93 → 93
Iterations

Useful iterations: 1 (12.0ms)

IterNodesCost
0440564
11975546
25001546

prune273.0ms

Filtered
93 candidates to 62 candidates (66.7%)
Pruning

1 alts after pruning (0 fresh and 1 done)

PrunedKeptTotal
New93093
Fresh000
Picked011
Done000
Total93194

Merged error: 0b

Counts
94 → 1

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02011
12011

end0.0ms

sample3.2s

Algorithm
intervals
Results
1.7s3460×body1280valid
691.0ms2422×body640valid
300.0ms8149×body80nan
227.0ms1283×body320valid
70.0ms658×body160valid
9.0ms177×body80valid