Details

Time bar (total: 3.8s)

sample64.0ms

Algorithm
intervals
Results
30.0ms109×body1280valid
15.0ms83×body640valid
6.0ms50×body320valid
2.0ms256×pre80true
1.0ms14×body160valid

simplify157.0ms

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

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 63.0b

localize14.0ms

Local error

Found 3 expressions with local error:

0.2b
(* (+ n 1.0) (log (+ n 1.0)))
0.2b
(* n (log n))
5.9b
(- (* (+ n 1.0) (log (+ n 1.0))) (* n (log n)))

rewrite66.0ms

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:
31.0ms
(* (+ n 1.0) (log (+ n 1.0)))
9.0ms
(* n (log n))
23.0ms
(- (* (+ n 1.0) (log (+ n 1.0))) (* n (log n)))

series407.0ms

Counts
3 → 9
Calls
3 calls:
63.0ms
(* (+ n 1.0) (log (+ n 1.0)))
174.0ms
(* n (log n))
169.0ms
(- (* (+ n 1.0) (log (+ n 1.0))) (* n (log n)))

simplify55.0ms

Algorithm
egg-herbie
Counts
90 → 90
Iterations

Useful iterations: 2 (47.0ms)

IterNodesCost
0419643
11786587
25001568

prune190.0ms

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
(log (/ 1 n))
0.1b
(* 0.16666666666666669 (/ 1 (pow n 2)))
0.8b
(/ 1 (pow n 2))

rewrite47.0ms

Algorithm
rewrite-expression-head
Rules
65×times-frac
61×add-sqr-sqrt
47×*-un-lft-identity
43×add-cube-cbrt
37×add-exp-log
28×associate-*r*
23×unpow-prod-down
14×div-exp
13×log-prod
10×prod-exp add-cbrt-cube
unpow2 unswap-sqr sqr-pow
associate-/r*
pow1 rec-exp 1-exp
pow-to-exp pow-exp
rem-log-exp
associate-*l* log-pow div-inv associate-/l* add-log-exp
cbrt-undiv pow-flip cbrt-unprod inv-pow
log-div frac-2neg associate-*r/ log-rec pow-prod-down clear-num un-div-inv *-commutative
Counts
3 → 149
Calls
3 calls:
6.0ms
(log (/ 1 n))
25.0ms
(* 0.16666666666666669 (/ 1 (pow n 2)))
9.0ms
(/ 1 (pow n 2))

series159.0ms

Counts
3 → 9
Calls
3 calls:
120.0ms
(log (/ 1 n))
23.0ms
(* 0.16666666666666669 (/ 1 (pow n 2)))
16.0ms
(/ 1 (pow n 2))

simplify46.0ms

Algorithm
egg-herbie
Counts
158 → 158
Iterations

Useful iterations: 2 (36.0ms)

IterNodesCost
0411707
11693564
25001468

prune277.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0b

localize15.0ms

Local error

Found 2 expressions with local error:

0.1b
(* 0.16666666666666669 (/ 1 (pow n 2)))
0.8b
(/ 1 (pow n 2))

rewrite42.0ms

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:
24.0ms
(* 0.16666666666666669 (/ 1 (pow n 2)))
12.0ms
(/ 1 (pow n 2))

series42.0ms

Counts
2 → 6
Calls
2 calls:
27.0ms
(* 0.16666666666666669 (/ 1 (pow n 2)))
15.0ms
(/ 1 (pow n 2))

simplify42.0ms

Algorithm
egg-herbie
Counts
126 → 126
Iterations

Useful iterations: 2 (34.0ms)

IterNodesCost
0328602
11575447
25002369

prune220.0ms

Pruning

1 alts after pruning (0 fresh and 1 done)

Merged error: 0b

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02611
13011
23311
33311

end0.0ms

sample1.9s

Algorithm
intervals
Results
1.0s3569×body1280valid
490.0ms2665×body640valid
156.0ms1313×body320valid
68.0ms8000×pre80true
34.0ms453×body160valid