Details

Time bar (total: 3.3s)

sample69.0ms

Algorithm
intervals
Results
34.0ms113×body1280valid
18.0ms93×body640valid
5.0ms37×body320valid
3.0ms256×pre80true
1.0ms13×body160valid

simplify164.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0188
1438
21238
32128
43748
54968
67158
79678
811218
912218
1014978
1117528
1221328
1324698
1433148
1550018

prune2.0ms

Filtered
1 candidates to 0 candidates (0.0%)
Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 63.0b

localize15.0ms

Local error

Found 3 expressions with local error:

0.2b
(* (+ n 1.0) (log (+ n 1.0)))
0.2b
(* n (log n))
6.8b
(- (* (+ n 1.0) (log (+ n 1.0))) (* n (log n)))

rewrite30.0ms

Algorithm
rewrite-expression-head
Rules
28×log-prod
25×*-un-lft-identity
19×add-sqr-sqrt
15×add-cube-cbrt
14×distribute-rgt-in distribute-lft-in
pow1
associate-*r* associate--l+
add-exp-log associate-*l* add-cbrt-cube
associate--r+
distribute-lft-out add-log-exp
pow-prod-down associate-*l/ prod-exp log-pow *-commutative cbrt-unprod unswap-sqr
sub-neg flip3-- flip3-+ diff-log flip-- flip-+
Counts
3 → 81
Calls
3 calls:
14.0ms
(* (+ n 1.0) (log (+ n 1.0)))
4.0ms
(* n (log n))
10.0ms
(- (* (+ n 1.0) (log (+ n 1.0))) (* n (log n)))

series441.0ms

Counts
3 → 9
Calls
3 calls:
64.0ms
(* (+ n 1.0) (log (+ n 1.0)))
191.0ms
(* n (log n))
185.0ms
(- (* (+ n 1.0) (log (+ n 1.0))) (* n (log n)))

simplify55.0ms

Algorithm
egg-herbie
Counts
90 → 90
Iterations

Useful iterations: 2 (48.0ms)

IterNodesCost
0419643
11786587
25001568

prune193.0ms

Filtered
90 candidates to 63 candidates (70.0%)
Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0b

localize16.0ms

Local error

Found 2 expressions with local error:

0.1b
(* 0.16666666666666669 (/ 1 (pow n 2)))
0.7b
(/ 1 (pow n 2))

rewrite24.0ms

Algorithm
rewrite-expression-head
Rules
56×times-frac
53×add-sqr-sqrt
39×*-un-lft-identity
35×add-cube-cbrt
31×add-exp-log
28×associate-*r*
23×unpow-prod-down
12×div-exp
10×prod-exp
add-cbrt-cube unpow2 unswap-sqr sqr-pow
associate-/r*
pow-to-exp rec-exp 1-exp pow-exp
pow1
associate-*l* associate-/l*
cbrt-undiv cbrt-unprod div-inv add-log-exp
pow-flip frac-2neg associate-*r/ pow-prod-down clear-num un-div-inv *-commutative inv-pow
Counts
2 → 120
Calls
2 calls:
14.0ms
(* 0.16666666666666669 (/ 1 (pow n 2)))
4.0ms
(/ 1 (pow n 2))

series45.0ms

Counts
2 → 6
Calls
2 calls:
29.0ms
(* 0.16666666666666669 (/ 1 (pow n 2)))
16.0ms
(/ 1 (pow n 2))

simplify42.0ms

Algorithm
egg-herbie
Counts
126 → 126
Iterations

Useful iterations: 2 (34.0ms)

IterNodesCost
0328602
11575447
25002369

prune218.0ms

Filtered
126 candidates to 59 candidates (46.8%)
Pruning

1 alts after pruning (0 fresh and 1 done)

Merged error: 0b

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02311
12311

end0.0ms

sample2.0s

Algorithm
intervals
Results
1.1s3580×body1280valid
533.0ms2704×body640valid
170.0ms1303×body320valid
79.0ms8000×pre80true
33.0ms413×body160valid