Details

Time bar (total: 20.5s)

sample128.0ms

Algorithm
intervals
Results
76.0ms118×body1280valid
23.0ms87×body640valid
8.0ms39×body320valid
3.0ms256×pre80true
1.0ms12×body160valid

simplify7.6s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0915
11815
24315
311315
416715
523015
631015
745215
858415
961615
1063215
1164915
1269215
1375615
1481815
1588215
1697415
17104515
18130215
19361015
done500015

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:

0.3b
(* (+ n 1.0) (log (+ n 1.0)))
0.3b
(* n (log n))
5.1b
(- (* (+ n 1.0) (log (+ n 1.0))) (* n (log n)))

rewrite133.0ms

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:
52.0ms
(* (+ n 1.0) (log (+ n 1.0)))
18.0ms
(* n (log n))
57.0ms
(- (* (+ n 1.0) (log (+ n 1.0))) (* n (log n)))

series614.0ms

Counts
3 → 9
Calls
3 calls:
97.0ms
(* (+ n 1.0) (log (+ n 1.0)))
250.0ms
(* n (log n))
267.0ms
(- (* (+ n 1.0) (log (+ n 1.0))) (* n (log n)))

simplify3.4s

Counts
90 → 90
Iterations

Useful iterations: 3 (1.8s)

IterNodesCost
01711210
14181150
212761036
345781015
done50001015

prune229.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0b

localize20.0ms

Local error

Found 1 expressions with local error:

0.3b
(/ 0.16666666666666669 (* n n))

rewrite16.0ms

Algorithm
rewrite-expression-head
Rules
add-exp-log add-cbrt-cube
add-sqr-sqrt add-cube-cbrt *-un-lft-identity times-frac associate-/l*
cbrt-undiv div-exp
pow1 frac-2neg prod-exp clear-num associate-/r* cbrt-unprod div-inv add-log-exp
Counts
1 → 21
Calls
1 calls:
15.0ms
(/ 0.16666666666666669 (* n n))

series37.0ms

Counts
1 → 3
Calls
1 calls:
37.0ms
(/ 0.16666666666666669 (* n n))

simplify4.0s

Counts
24 → 24
Iterations

Useful iterations: 2 (50.0ms)

IterNodesCost
043185
191182
2230152
3526152
4907152
52395152
done5001152

prune74.0ms

Pruning

1 alts after pruning (0 fresh and 1 done)

Merged error: 0b

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01318
11618
done1618

end0.0ms

sample4.3s

Algorithm
intervals
Results
2.5s3648×body1280valid
889.0ms2694×body640valid
362.0ms1237×body320valid
145.0ms8000×pre80true
137.0ms421×body160valid